Concrete impermeability detection device

Abstract

The utility model relates to a concrete impermeability detection device which comprises a machine body and a plurality of bearing pieces arranged on the top surface of the machine body, the bearing part comprises a base, a test piece cylinder and a limiting assembly, the base is a circular ring plate fixed on the top surface of the machine body, a sleeve is fixed outside the base in a sleeving manner, the test piece cylinder is coaxially arranged in the sleeve and is in contact with the base, a test piece disc is arranged outside the test piece cylinder, and the limiting assembly comprises a threaded cylinder and an ejector rod; the threaded cylinder is in threaded connection with the exterior of the upper part of the sleeve, the lower end of the threaded cylinder is connected with a jacking cylinder sleeving the sleeve, the jacking cylinder is a hollow circular truncated cone with two open ends, jacking rods are arrayed on the peripheral wall of the sleeve, one end of each jacking rod is in contact with the inner side surface of the jacking cylinder, and the other end of each jacking rod movably penetrates through the peripheral wall of the sleeve to jack and contact the side surface of the test piece disc. The utility model solves the problem that when the concrete impermeability detector is used, the connection of the test piece cylinder and the base wastes time and labor.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete detection, in particular to a concrete impermeability detection device. Background Art

[0002] The detection of concrete impermeability is an important test for evaluating the waterproof performance of concrete, which ensures that the concrete structure can effectively resist water penetration during use, thereby improving its durability and safety. The currently used concrete impermeability detector has a specimen tray outside the specimen cylinder detachably connected to the base on the machine body. The detachable connection method is that there are multiple studs with upward ends on the base. After the studs pass through the specimen tray, they are locked with nuts. Subsequently, the concrete specimen is placed in the specimen cylinder, and the pressure when water seeps through the end face of the concrete specimen is detected through the cooperation of the water outlet valve on the machine body and the water outlet holes on the base.

[0003] However, this detachable connection through nuts and studs requires turning the nuts multiple times, which is time-consuming and laborious and affects the efficiency of concrete impermeability detection. Summary of the Invention

[0004] The utility model provides a concrete impermeability detection device to solve the problem that it is time-consuming and laborious to connect the specimen cylinder and the base when using a concrete impermeability detector, which can conveniently connect the specimen cylinder and the base and improve the efficiency of concrete impermeability detection.

[0005] To solve the above problems, the technical solution of the utility model is as follows:

[0006] A concrete impermeability detection device includes a machine body and a plurality of bearing members arranged on the top surface of the machine body; the bearing member includes a base, a specimen cylinder and a limiting component. The base is an annular plate fixed on the top surface of the machine body. A sleeve is fixedly arranged outside the base. The specimen cylinder is coaxially placed in the sleeve and contacts the base. A specimen tray is arranged outside the specimen cylinder. The specimen tray is a frustum of a cone and is sleeved and fixed on the outer part of the lower part of the specimen cylinder through a through hole opened in the middle. The limiting component includes a threaded cylinder and a top rod. The threaded cylinder is threadedly connected to the outer part of the upper part of the sleeve, and the lower end is connected with a pressing cylinder sleeved outside the sleeve. The pressing cylinder is a hollow frustum of a cone with both ends open. A plurality of top rods are arrayed on the circumferential wall of the sleeve. One end of the top rod contacts the inner side surface of the pressing cylinder, and the other end of the top rod movably penetrates the circumferential wall of the sleeve and presses against the side surface of the specimen tray.

[0007] Further, the inner ring of the base is a water outlet hole communicated with the inside of the machine body; a water outlet valve communicated with the water outlet hole of each base is arranged on the machine body.

[0008] Further, the outer diameter of the bottom surface of the specimen tray matches the inner diameter of the sleeve, and the bottom surface of the specimen tray is flush with the bottom surface of the specimen cylinder.

[0009] Further, a sealing gasket is provided jointly on the bottom surfaces of the test piece tray and the test piece cylinder, and the sealing gasket is a circular ring-shaped sheet body.

[0010] Further, external threads are provided on the outer sides of the sleeves above the plurality of ejector rods, and the external threads are matched with the internal threads on the threaded cylinder; through holes for the ejector rods to move through are provided on the sleeves.

[0011] Further, a vertical vertical plate is connected to the outer end of the bottom surface of each ejector rod, and a spring is connected between each vertical plate and the sleeve.

[0012] Further, when one end of the ejector rod abuts against the side surface of the test piece tray, the spring on the ejector rod is in a compressed state, and the sealing gasket is in a compressed state; when the spring is in a natural state, the inner end of the ejector rod corresponding to the spring is located in the corresponding through hole.

[0013] By the above technical solutions, the beneficial effects of the present utility model are as follows:

[0014] For the present utility model, only by rotating the threaded cylinder, the threaded cylinder drives the pressing cylinder to move, the pressing cylinder presses a plurality of ejector rods, so that the inner ends of the plurality of ejector rods press against and contact the test piece tray on the test piece cylinder, and the test piece tray is limited on the base, realizing the fixation of the test piece tray and the base; when the threaded cylinder is rotated upward, under the action of the spring, the ejector rod no longer presses the test piece tray, and the test piece cylinder and the test piece tray can be conveniently removed upward from the sleeve; the connection or disassembly of the test piece cylinder and the base is realized conveniently and quickly, improving the efficiency of concrete impermeability detection.

[0015] The sealing gasket of the present utility model can prevent water from flowing out between the test piece cylinder and the base. Description of the Drawings

[0016] Figure 1 is a schematic structural view of the present utility model;

[0017] Figure 2 is a main sectional view of the bearing member of the present utility model;

[0018] Figure 3 is a schematic structural view of the connection between the ejector rod and the sleeve of the present utility model;

[0019] Figure 4 is a schematic structural view of the connection between the test piece cylinder, the test piece tray and the sealing gasket of the present utility model.

[0020] The reference numerals in the drawings are: 1, machine body; 2, base; 3, test piece cylinder; 4, sleeve; 5, test piece tray; 6, through hole; 7, threaded cylinder; 8, ejector rod; 10, pressing cylinder; 11, water outlet hole; 12, water outlet valve; 13, sealing gasket; 14, vertical plate; 16, spring; 17, through hole; 18, external thread. Detailed Embodiment

[0021] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0022] As Figures 1 to 4 shown, a concrete impermeability detection device includes a machine body 1, and further includes a plurality of bearing members provided on the top surface of the machine body 1; the bearing member includes a base 2, a specimen cylinder 3 and a limiting component. The base 2 is an annular plate fixed on the top surface of the machine body 1. A sleeve 4 is fixedly sleeved outside the base 2. The sleeve 4 is a cylinder with both ends open and the upper end higher than the base 2. The specimen cylinder 3 is a cylinder with both ends open and an outer diameter smaller than the inner diameter of the sleeve 4. The specimen cylinder 3 is coaxially placed inside the sleeve 4 and contacts the base 2. A specimen disc 5 is provided outside the specimen cylinder 3. The specimen disc 5 is a frustum of a cone and is fixedly sleeved outside the lower part of the specimen cylinder 3 through a through hole 6 opened in the middle. The limiting component includes a threaded cylinder 7 and a top rod 8. The threaded cylinder 7 is threadedly connected to the outside of the upper part of the sleeve 4 and the lower end is connected with a pressing cylinder 10 sleeved outside the sleeve 4. The pressing cylinder 10 is a hollow frustum with both ends open. A plurality of top rods 8 are arrayed on the peripheral wall of the sleeve 4. The top rod 8 is a rectangular rod. One end of the top rod 8 contacts the inner side surface of the pressing cylinder 10, and the other end of the top rod 8 movably penetrates through the peripheral wall of the sleeve 4 and presses against the side surface of the specimen disc 5.

[0023] At the inner ring of the base 2 is a water outlet hole 11 communicating with the inside of the machine body 1; a water outlet valve 12 communicating with the water outlet hole 11 of each base 2 is provided on the machine body 1; the communication mode between the water outlet valve 12 and the water outlet hole 11 of the present utility model is the same as the communication mode between the water outlet valve and the water outlet in the "A Concrete Impermeability Detector" with the authorization publication number CN 219201292 U.

[0024] The outer diameter of the bottom surface of the specimen disc 5 matches the inner diameter of the sleeve 4, and the bottom surface of the specimen disc 5 is flush with the bottom surface of the specimen cylinder 3.

[0025] A sealing gasket 13 is jointly provided on the bottom surfaces of the specimen disc 5 and the specimen cylinder 3. The sealing gasket 13 is a circular sheet-like body. The inner ring diameter of the sealing gasket 13 is equal to the inner ring diameter of the specimen cylinder 3, and the outer ring diameter is equal to the outer ring diameter of the specimen disc 5. The sealing gasket 13 is a sheet-like body made of elastic rubber.

[0026] External threads 18 are provided outside the sleeve 4 above the plurality of top rods 8, and the external threads 18 match the internal threads on the threaded cylinder 7; through holes 17 for the top rods 8 to movably pass through are provided on the sleeve 4.

[0027] A vertical riser 14 is connected to the outer end of the bottom surface of each top rod 8. The riser 14 is a rectangular plate, and a spring 16 is connected between each riser 14 and the sleeve 4.

[0028] When one end of the ejector rod 8 presses against the side surface of the specimen tray 5, the spring 16 on the ejector rod 8 is in a compressed state, and the gasket 13 is in a compressed state; when the spring 16 is in a natural state, the inner end of the ejector rod 8 corresponding to the spring 16 is located in the corresponding through hole 17; the end of the ejector rod facing the central axis of the sleeve is the inner end, and the other end is the outer end.

[0029] During installation, rotate the threaded cylinder 7 upward. The threaded cylinder 7 drives the pressing cylinder 10 to move upward until the inner side surface of the pressing cylinder 10 does not contact the outer end of the ejector rod 8 on the sleeve 4. At this time, the spring 16 on each ejector rod 8 is in a natural state, and the inner end of each ejector rod 8 is located in the corresponding through hole 17; the specimen cylinder 3 with the specimen tray 5 extends into the sleeve 4 from top to bottom until the bottom surface of the specimen cylinder 3 contacts the base 2. Then rotate the threaded cylinder 7 downward. During the downward movement of the pressing cylinder 10, the side surface of the pressing cylinder 10 contacts the outer end of each ejector rod 8, driving the inner end of each ejector rod 8 to move towards the side surface direction of the specimen tray 5. Since the specimen tray 5 is frustum-shaped and the side surface is an inclined surface, as each ejector rod 8 moves, the inner ends of the multiple ejector rods 8 press against the inclined surface of the specimen tray 5, driving the specimen tray 5 to drive the specimen cylinder 3 to move downward, and the gasket 13 is compressed until the specimen tray 5 is pressed and no longer moves downward. At this time, the specimen tray 5 on the specimen cylinder 3 and the base 2 are fixedly connected;

[0030] A concrete specimen is placed in the specimen cylinder 3. Open the water outlet valve 12 communicated with the water outlet hole 11 on the base 2, and the concrete impermeability test can be carried out. The gasket 13 of the present invention can prevent water from flowing out between the specimen cylinder 3 and the base 2;

[0031] When it is necessary to disassemble the connection between the specimen cylinder 3 and the base 2, after rotating the threaded cylinder 7 upward, under the restoring force of the spring 16, the inner end of each ejector rod 8 returns to the through hole 17 again. At this time, it is convenient to lift the specimen cylinder 3 and the specimen tray 5 out of the sleeve 4 upward.

[0032] The preferred embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Without departing from the spirit of the present invention, that is, within the scope of disclosure, any equivalent or equivalent deformation or replacement of the technical solutions of the present invention belongs to the protection scope of the present invention.

Claims

1. A concrete anti-permeability detection device, comprising a body (1), characterized in that: The machine body (1) further comprises a plurality of bearing members arranged on the top surface of the machine body (1); the bearing members comprise a base (2), a specimen tube (3) and a limit assembly, the base (2) being a circular ring plate fixed on the top surface of the machine body (1), a sleeve (4) being fixed on the outer surface of the base (2), the specimen tube (3) being coaxially disposed in the sleeve (4) and in contact with the base (2), a specimen plate (5) being arranged outside the specimen tube (3), the specimen plate (5) being a truncated cone and being sleeved and fixed on the specimen tube via a through hole (6) opened in the middle thereof. (3) outside the lower part, the limit assembly includes a threaded cylinder (7) and a push rod (8), the threaded cylinder (7) is threadedly connected to the upper part of the sleeve (4), and the lower end is connected to a push cylinder (10) sleeved outside the sleeve (4), the push cylinder (10) is a hollow truncated cone with two ends open, and the push rod (8) is arranged on the peripheral wall of the sleeve (4), one end of the push rod (8) contacts the inner side of the push cylinder (10), and the other end of the push rod (8) movably penetrates the peripheral wall of the sleeve (4) to press and contact the side of the test piece disk (5).

2. A concrete anti-seepage detection device according to claim 1, characterized in that: The inner ring of the base (2) is provided with a water outlet hole (11) which is in communication with the interior of the machine body (1); the machine body (1) is provided with a water outlet valve (12) which is in communication with the water outlet hole (11) of each base (2).

3. A concrete anti-seepage detection device according to claim 1, characterized in that: The outer diameter of the bottom surface of the specimen disc (5) matches the inner diameter of the sleeve (4), and the bottom surface of the specimen disc (5) is flush with the bottom surface of the specimen tube (3).

4. A concrete anti-seepage detection device according to claim 3, characterized in that: The bottom surfaces of the specimen disc (5) and the specimen tube (3) are both provided with a sealing gasket (13), and the sealing gasket (13) is a circular ring-shaped sheet.

5. A concrete anti-seepage detection device according to claim 1, characterized in that: The sleeve (4) above the plurality of push rods (8) is provided with an external thread (18), the external thread (18) matching the internal thread on the threaded barrel (7); and the sleeve (4) is provided with a through hole (17) for the push rod (8) to movably pass through.

6. A concrete anti-seepage detection device according to claim 5, characterized in that: The outer end of the bottom surface of each push rod (8) is connected to a vertical upright plate (14), and a spring (16) is connected between each upright plate (14) and the sleeve (4).

7. A concrete anti-seepage detection device according to claim 6, characterized in that: When one end of the push rod (8) presses against the side of the specimen plate (5), the spring (16) on the push rod (8) is in a compressed state, and the sealing gasket (13) is in a compressed state; when the spring (16) is in a natural state, the inner end of the push rod (8) corresponding to the spring (16) is located in the corresponding through hole (17).

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