CN219978079U

CN219978079U - Concrete sample permeability resistance detection device

Info

Publication number: CN219978079U
Application number: CN202321166688.1U
Authority: CN
Inventors: 黄正洪; 王堂树; 薛涛; 卢伟峰; 段道佳
Original assignee: Yichang Urban Rural Commercial Concrete Co ltd
Current assignee: Yichang Urban Rural Commercial Concrete Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-11-07
Anticipated expiration: 2033-05-15

Abstract

The utility model provides a concrete sample permeability resistance detection device, which comprises: the top of the box body is recessed to form a storage cavity; the base is fixed at the top of the box body, and the top of the base is provided with a laboratory bench which is used for placing a concrete sample; the sleeve is used for being covered on the top of the concrete sample, the top of the base is provided with a mounting frame, and the mounting frame is provided with a compression assembly for compressing the sleeve on the top of the experiment table; the water delivery assembly is arranged on the base and is used for delivering water into the sleeve; the collecting assembly is positioned in the containing cavity, channels are formed in the base and the experiment table, and the collecting assembly is used for collecting water discharged from the channels; wherein, telescopic lateral wall is provided with the wash port, laboratory bench top and wash port intercommunication are provided with the seal assembly who is used for sealed wash port on the sleeve, have solved among the prior art and have been had the concrete sample permeability to detect the back be inconvenient for with impervious water exhaust problem in the test sleeve.

Description

Concrete sample permeability resistance detection device

Technical Field

The utility model relates to the technical field of concrete preparation, in particular to a concrete sample permeability resistance detection device.

Background

The permeability in concrete is an integrated index, and refers to the difficulty of permeation, diffusion or migration in concrete under the action of pressure, chemical potential or electric field of gas, liquid or ions. The permeability of concrete is closely related to the durability of concrete, and is one of the most important indexes for evaluating the quality of concrete. The concrete with good impermeability can resist the influence of all external erosion media, and the durability of the concrete is greatly improved.

The utility model discloses a Chinese patent with publication number of CN212674720U, which discloses a concrete performance detection device for concrete preparation, when the permeability of concrete is tested, a permeation-resistant test sleeve is sleeved on a concrete test block, a lower sealing ring acts between the bottom end of the permeation-resistant test sleeve and a concrete test block placing seat, the lower part of the concrete test block is sealed, an upper sealing ring is clamped between the inner top surface of the permeation-resistant test sleeve and the top surface of the concrete test block, the upper part of the concrete test block is sealed, then a booster pump is started, the booster pump pumps water in a water tank into the permeation-resistant test sleeve through a water suction pipe, the pressure is continuously increased, the output power of the booster pump is controlled by a pressure gauge, so that the water injection pressure is controlled, when the permeation of the concrete test block occurs, the permeated water flows downwards through a water channel, then flows into a receiving funnel through the water channel, the receiving funnel is collected into a measuring pipe, and the personnel is further assisted to judge the permeation-resistant performance of the concrete through observing the measuring pipe.

The above-mentioned mode can realize detecting the permeability of concrete, but after permeability detection finishes, the impervious test sleeve in water, unable timely discharge, if directly take off impervious test sleeve from the concrete test block, the impervious test sleeve in water can scatter on placing the seat, finally drops subaerial, will cause the experimental site moist, influences the test work of experimenter normal clear concrete test block.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a concrete sample permeation resistance detection device, which solves the problem that the permeation resistance detection of the concrete sample is inconvenient to discharge water in a permeation resistance test sleeve after the completion of the detection in the prior art.

According to an embodiment of the present utility model, a concrete sample permeation resistance detection device includes: the top of the box body is recessed to form a storage cavity; the base is fixed at the top of the box body, and the top of the base is provided with a laboratory bench which is used for placing a concrete sample; the sleeve is used for being covered on the top of the concrete sample, the top of the base is provided with a mounting frame, and the mounting frame is provided with a compression assembly for compressing the sleeve on the top of the experiment table; the water delivery assembly is arranged on the base and is used for delivering water into the sleeve; the collecting assembly is positioned in the containing cavity, the base and the experiment table are both provided with channels, the channels are positioned right below the concrete sample, and the collecting assembly is used for collecting water discharged from the channels; the side wall of the sleeve is provided with a drain hole, the top of the experiment table is communicated with the drain hole, and the sleeve is provided with a sealing assembly for sealing the drain hole.

Compared with the prior art, the utility model has the following beneficial effects: when detecting concrete sample leakproofness, place the concrete sample in the middle part of laboratory bench, the concrete sample is pressed directly over the passageway, then establish the sleeve cover on the concrete sample, and promote sleeve and laboratory bench top through compressing tightly the subassembly and hug closely, the water is carried in the rethread water delivery subassembly to the sleeve, the water delivery subassembly is continuous to carry water in the sleeve, in order to improve the pressure of sleeve internal water, the water that permeates the concrete sample is discharged from the passageway, finally calculate the impermeability of concrete sample through collecting the water yield that discharges from the passageway, after the test is accomplished, control sealing assembly opens the wash port of sleeve lateral wall, the water in the sleeve is discharged from the wash port, can be in the wash port department external water pipe with water guide to appointed container deposit, the water after the test is convenient for handle through this mode, prevent to open the water in the sleeve and directly spill on the laboratory bench, influence subsequent test.

Further, the top of laboratory bench is provided with annular second sealing washer, concrete sample compresses tightly at the top of second sealing washer.

Further, the top of laboratory bench is provided with annular slot, and the slot encircles in the second sealing washer outside, telescopic bottom is provided with annular first sealing washer, and first sealing washer inserts in the slot.

Further, the seal assembly includes: sealing block, connector and screw rod, the sunken mounting groove that forms in top of wash port, sealing block's one end and mounting groove move sealing connection, the connector slides and sets up in the mounting groove, and sealing block fixes in the connector bottom, and telescopic top is fixed to be provided with the alignment jig, and the one end of screw rod rotates with the top of connector to be connected, and the other end of screw rod vertically upwards passes the alignment jig, screw rod and sleeve sliding connection, screw rod and alignment jig threaded connection.

Further, a collecting box is arranged in the accommodating cavity of the box body, one end of a drain pipe is communicated with the collecting box, and the other end of the drain pipe is communicated with the drain hole.

Further, the water delivery assembly includes: the booster pump, the raceway and the water tank of fixing at the base top are in accomodate the intracavity, and the water tank is used for storing water, and the one end and the output intercommunication of booster pump of raceway, the other end and the sleeve top intercommunication of raceway, the input switch-on of booster pump have the one end of drinking-water pipe, and the other end and the water tank intercommunication of drinking-water pipe.

Further, the collection assembly includes: the mounting frame is fixed in the storage cavity, the collecting hopper is arranged on the mounting frame, and the measuring cylinder is positioned right below the collecting hopper; wherein, the collecting hopper is located directly below the passageway.

Further, the mounting bracket includes: the support and crossbeam, the support is fixed at the top of base, and the crossbeam level is fixed at the support top.

Further, the hold-down assembly includes: the hydraulic cylinder and compress tightly the seat, the pneumatic cylinder is fixed at the crossbeam top, and the output of pneumatic cylinder is vertical downwardly extending, compresses tightly the output of seat fixed at the pneumatic cylinder.

Further, the side wall of the box body is provided with an opening, an opening and closing door for opening and closing the opening is arranged at the opening, and the opening and closing door is made of transparent materials.

Drawings

Fig. 1 is a front view of an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 3 is a schematic view of the mounting structure of the sleeve.

In the above figures: 1. a case; 2. a base; 3. an experiment table; 4. a concrete sample; 5. a sleeve; 6. a channel; 7. a drain hole; 8. a second seal ring; 9. a first seal ring; 10. a sealing block; 11. a connector; 12. a screw; 13. an adjusting frame; 14. a collection box; 15. a drain pipe; 16. a booster pump; 17. a water tank; 18. a water pipe; 19. a water pumping pipe; 20. a collecting hopper; 21. a mounting frame; 22. a measuring cylinder; 23. opening and closing the door; 24. a bracket; 25. a cross beam; 26. a hydraulic cylinder; 27. and (5) compacting the seat.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, an embodiment of the present utility model provides a device for detecting permeability resistance of a concrete sample, including: the top of the box body 1 is recessed to form a storage cavity; the base 2 is fixed at the top of the box body 1, the top of the base is provided with a test bench 3, and the test bench 3 is used for placing a concrete sample 4; the sleeve 5 is used for being covered on the top of the concrete sample 4, the top of the base 2 is provided with a mounting frame, and the mounting frame is provided with a compression assembly for compressing the sleeve 5 on the top of the experiment table 3; a water delivery assembly arranged on the base 2 for delivering water into the sleeve 5; the collecting assembly is positioned in the containing cavity, the base 2 and the experiment table 3 are both provided with a channel 6, the channel 6 is positioned right below the concrete sample 4, and the collecting assembly is used for collecting water discharged from the channel 6; the side wall of the sleeve 5 is provided with a drain hole 7, the top of the experiment table 3 is communicated with the drain hole 7, and the sleeve 5 is provided with a sealing component for sealing the drain hole 7.

When detecting the leakproofness of concrete sample 4, place concrete sample 4 in the middle part of laboratory bench 3, concrete sample 4 presses directly over passageway 6, then cover sleeve 5 and establish on concrete sample 4, and promote sleeve 5 and laboratory bench 3 top through compressing tightly the subassembly, the water is carried in the water delivery subassembly to sleeve 5 to the rethread, the water delivery subassembly is continuous to carrying water in sleeve 5, in order to improve the pressure of sleeve 5 internal water, the water that permeates concrete sample 4 is discharged from passageway 6, finally calculate the impermeability of concrete sample 4 through collecting the water yield that discharges from passageway 6, after the test is accomplished, control sealing member opens the wash port 7 of sleeve 5 lateral wall, water in sleeve 5 is discharged from wash port 7, can be in wash port 7 external water pipe thereby guide to appointed container in deposit, through this mode after being convenient for handle the water after the test, prevent to open sleeve 5 after the water in sleeve 5 directly falls on laboratory bench 3, influence the follow-up test.

Further, as shown in fig. 3, in order to improve the sealing performance between the concrete sample 4 and the experiment table 3, an annular second sealing ring 8 is disposed at the top of the experiment table 3, and the concrete sample 4 is pressed on the top of the second sealing ring 8. Simultaneously be provided with annular slot at the top of laboratory bench 3, the slot encircles in the second sealing washer 8 outside, the bottom of sleeve 5 is provided with annular first sealing washer 9, and first sealing washer 9 inserts in the slot to improve the leakproofness between sleeve 5 and the laboratory bench 3, prevent when detecting the test that water from the clearance department of sleeve 5 and laboratory bench 3 from spilling.

As shown in fig. 3, the seal assembly includes: sealing block 10, connector 11 and screw rod 12, the sunken mounting groove that forms in top of wash port 7, sealing block 10's one end and mounting groove move sealing connection, connector 11 slides and sets up in the mounting groove, and sealing block 10 fixes in the connector 11 bottom, and the fixed alignment jig 13 that is provided with in top of sleeve 5, the one end of screw rod 12 and the top rotation of connector 11 are connected, and the other end of screw rod 12 vertically upwards passes alignment jig 13, screw rod 12 and sleeve 5 sliding connection, screw rod 12 and alignment jig 13 threaded connection.

Specifically, the theory of operation of seal assembly does: when the drain hole 7 needs to be sealed, the end part of the screw rod 12 above the adjusting frame 13 is twisted, so that the screw rod 12 moves downwards and pushes the connector 11 and the sealing block 10 to move downwards vertically, and finally the end part of the sealing block 10 abuts against the bottom of the drain hole 7, and at the moment, the sealing block 10 is in dynamic sealing connection with the drain hole 7 and the mounting groove, namely, the sealing of the drain hole 7 is realized, and when the drain hole 7 needs to be opened, the screw rod 12 is twisted, so that the screw rod 12 moves upwards vertically.

Further, as shown in fig. 2, a collecting tank 14 is disposed in the receiving cavity of the case 1, one end of a drain pipe 15 is connected to the collecting tank 14, and the other end of the drain pipe 15 is connected to the drain hole 7, so as to collect water discharged from the drain hole 7.

As shown in fig. 1 and 2, the water delivery assembly includes: the booster pump 16 fixed at the top of the base 2, the water delivery pipe 18 and the water tank 17 fixed in the storage cavity, the water tank 17 is used for storing water, one end of the water delivery pipe 18 is communicated with the output end of the booster pump 16, the other end of the water delivery pipe 18 is communicated with the top of the sleeve 5, one end of the water pumping pipe 19 is communicated with the input end of the booster pump 16, the other end of the water pumping pipe 19 is communicated with the water tank 17, the booster pump 16 pumps out water in the water tank 17 and conveys the water into the sleeve 5 through the water delivery pipe 18, and meanwhile the booster pump 16 also continuously increases the water pressure in the sleeve 5.

Further, as shown in fig. 2, the collecting assembly includes: a mounting frame 21 fixed in the receiving chamber, a collecting hopper 20 provided on the mounting frame 21, and a measuring cylinder 22 located directly below the collecting hopper 20; wherein, the collecting hopper 20 is positioned right below the channel 6, the collecting hopper 20 collects the water discharged from the channel 6 and uniformly conveys the water into the measuring cylinder 22, thereby facilitating the reading of the total amount of the water discharged from the channel 6 directly from the measuring cylinder 22.

Further, as shown in fig. 1, the mounting frame includes: the support 24 and the crossbeam 25, support 24 is fixed at the top of base 2, and crossbeam 25 is fixed at the top of support 24 horizontally. The compression assembly includes: the hydraulic cylinder 26 and compress tightly the seat 27, the hydraulic cylinder 26 is fixed at the crossbeam 25 top, and the output of hydraulic cylinder 26 extends vertically downwards, compresses tightly the output of seat 27 fixed at hydraulic cylinder 26. The output end of the hydraulic cylinder 26 pushes the pressing seat 27 to press downwards, and finally the pressing seat 27 presses on the top of the sleeve 5, so that the sleeve 5 presses on the top of the experiment table 3.

Further, an opening is formed in the side wall of the box body 1, an opening door 23 for opening and closing the opening is formed in the opening, the opening door 23 is made of transparent materials, the opening door 23 is convenient to open and check components in the box body 1, and meanwhile conditions in the box body 1 can be observed from the opening door 23.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A concrete sample permeation resistance testing device, comprising:

the top of the box body (1) is sunken to form a storage cavity;

the base (2) is fixed at the top of the box body (1), the top of the base is provided with a laboratory bench (3), and the laboratory bench (3) is used for placing a concrete sample (4);

the sleeve (5) is used for being covered on the top of the concrete sample (4), the top of the base (2) is provided with a mounting frame, and the mounting frame is provided with a compression assembly for compressing the sleeve (5) on the top of the experiment table (3);

the water delivery assembly is arranged on the base (2) and is used for delivering water into the sleeve (5); and

the collecting assembly is positioned in the storage cavity, the base (2) and the experiment table (3) are both provided with channels (6), the channels (6) are positioned right below the concrete sample (4), and the collecting assembly is used for collecting water discharged from the channels (6);

the side wall of the sleeve (5) is provided with a drain hole (7), the top of the experiment table (3) is communicated with the drain hole (7), and the sleeve (5) is provided with a sealing component for sealing the drain hole (7).

2. A concrete sample permeation resistance testing device according to claim 1, characterized in that the top of the laboratory bench (3) is provided with an annular second sealing ring (8), and the concrete sample (4) is pressed on top of the second sealing ring (8).

3. A concrete sample permeation resistance testing device according to claim 2, characterized in that the top of the laboratory bench (3) is provided with an annular slot, the slot surrounds the outside of the second sealing ring (8), the bottom of the sleeve (5) is provided with an annular first sealing ring (9), and the first sealing ring (9) is inserted into the slot.

4. A concrete sample permeation resistance testing device according to claim 1, wherein said seal assembly comprises: sealing block (10), connector (11) and screw rod (12), the top of wash port (7) is sunken to form the mounting groove, and sealing block (10)'s one end and mounting groove move sealing connection, connector (11) slip sets up in the mounting groove, and sealing block (10) are fixed in connector (11) bottom, and fixed alignment jig (13) that are provided with in top of sleeve (5), and the one end of screw rod (12) is rotated with the top of connector (11) and is connected, and the other end of screw rod (12) vertically upwards passes alignment jig (13), screw rod (12) and sleeve (5) sliding connection, screw rod (12) and alignment jig (13) threaded connection.

5. A concrete sample permeation resistance detection device according to claim 1, wherein a collecting box (14) is arranged in the containing cavity of the box body (1), one end of a drain pipe (15) is communicated with the collecting box (14), and the other end of the drain pipe (15) is communicated with the drain hole (7).

6. A concrete sample permeation resistance testing device according to any one of claims 1-5, wherein said water transport assembly comprises: the water tank (17) is used for storing water, one end of the water pipe (18) is communicated with the output end of the booster pump (16), the other end of the water pipe (18) is communicated with the top of the sleeve (5), the input end of the booster pump (16) is communicated with one end of the water pumping pipe (19), and the other end of the water pumping pipe (19) is communicated with the water tank (17).

7. A device for detecting the permeability resistance of a concrete sample as claimed in any one of claims 1 to 5, wherein said collection assembly comprises: a mounting frame (21) fixed in the storage cavity, a collecting hopper (20) arranged on the mounting frame (21), and a measuring cylinder (22) positioned right below the collecting hopper (20);

wherein the collecting hopper (20) is positioned right below the channel (6).

8. A concrete sample permeation resistance testing device according to claim 1, wherein said mounting frame comprises: the support (24) and crossbeam (25), support (24) are fixed at the top of base (2), and crossbeam (25) level is fixed at support (24) top.

9. The concrete sample permeation resistance testing device according to claim 8, wherein said compacting assembly comprises: the hydraulic cylinder (26) and compress tightly seat (27), pneumatic cylinder (26) are fixed at crossbeam (25) top, and the output of pneumatic cylinder (26) is vertical to extend downwards, compresses tightly the output at pneumatic cylinder (26) and holds in seat (27).

10. A concrete sample permeation resistance testing device according to claim 1, wherein the side wall of said case (1) is provided with an opening, an opening door (23) for opening and closing said opening is provided at the opening, and said opening door (23) is made of a transparent material.