CN213516796U

CN213516796U - Impermeability instrument for concrete impermeability test

Info

Publication number: CN213516796U
Application number: CN202022600637.8U
Authority: CN
Inventors: 刘传科; 王治国; 罗满华; 方丽花; 杜平; 刘泽伟; 刘泽康
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-22
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a concrete detects technical field's a impervious appearance for concrete impermeability test, including the organism, be provided with on the organism and examine test table, examine test table top and be provided with a plurality of examination die holder, be fixed with the examination mould that is used for installing the sample on the examination die holder, the periphery equipartition of examination die holder has a plurality of mountings that are used for fixed examination mould, and the longitudinal section of mounting is the L type of invering, is fixed with the guide on the mounting, examines and to open on the test table have with guide horizontal sliding connection's guide way. The utility model discloses simple structure can install fast examination mould and examination mould seat fast, improves test efficiency.

Description

Impermeability instrument for concrete impermeability test

Technical Field

The utility model belongs to the technical field of the concrete detects, specifically a concrete is impervious appearance for impermeability test.

Background

Concrete is a widely used building material in construction engineering, and for some buildings, such as hydraulic structures, underwater, underground and other construction engineering, special impermeability is required for the building. And the impermeability refers to the resistance of the materials used in the construction to the penetration of water and other liquid media under pressure. The concrete impermeability tester is mainly used for testing the impermeability of concrete and measuring impermeability labels, and is widely used in production, construction, design, teaching and research departments. The concrete impermeability instrument is designed according to a hydraulic principle, a motor is used for dragging a water pump to apply pressure, and the concrete impermeability instrument is connected with a pressure container, a control valve, a test die holder and the like through pipelines. And the pressure is output by a water pump to enter a pressure container and then is conveyed to each test piece system for a loading test. The pipeline is provided with an electric contact pressure gauge and an electric control system, and the pressure can be regulated within a specified range of 0.1-6Mpa by regulating an electric contact in the electric contact pressure gauge to carry out a constant pressure test.

Retrieving a china utility model that publication number is CN205246494U now and disclosing a concrete anti-permeability apparatus, which comprises a bod, the organism on be provided with and examine test table, the test table top be provided with six examination die holders, the examination die holder on be fixed with the examination mould that is used for installing the sample, screw up through a plurality of bolts between examination die holder and the examination mould. However, in the operation process of using the concrete impermeability tester to perform the impermeability test of concrete, the tester needs to repeatedly screw the bolts, and the six sets of test molds need to be installed and disassembled one by one, which is very inconvenient and greatly slows down the test efficiency of the tester.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide an impervious appearance for concrete impermeability test to improve the efficiency of concrete impermeability test.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a concrete is impervious for experiment anti-permeability, includes the organism, is provided with on the organism and examines test table, examines test table top and is provided with a plurality of examination die holder, is fixed with the examination mould that is used for installing the sample on the examination die holder, its characterized in that: the periphery of the test die holder is uniformly provided with a plurality of fixing pieces for fixing the test die, the longitudinal section of each fixing piece is of an inverted L shape, a guide piece is fixed on each fixing piece, and a guide groove in horizontal sliding connection with the guide piece is formed in the detection table.

After the scheme is adopted, the following beneficial effects are realized: the test die holder is characterized in that a test sample for testing is placed in the die holder in advance and then is installed on the test die holder, an operator moves the fixing piece towards the test die holder through the guide piece and the guide groove, and the fixing piece is of an inverted L shape, so that when the fixing piece moves to the test die holder, the fixing piece is located above the test die holder and clamps the test die on the test die holder, and the purpose of quickly fixing the test die holder is achieved. Compare in current bolt fastening mode, this scheme can be fast fix the examination mould on the examination die holder to reach the purpose of quick test sample.

Further, the examination mould includes the body, and the bottom of body is fixed with the mount pad.

Has the advantages that: the mounting seat is arranged so that the body can be conveniently mounted on the test die seat.

Further, the rubber sleeve comprises at least two rubber sleeves.

Has the advantages that: in the prior art, the grease and the like are generally coated on the sample so that the gap between the test mold and the sample is sealed, but the grease coating and the like have long working time, and when the sample is placed in the test mold, the grease and the like are easily scraped, so that the sealing effect is poor. In this scheme, utilize the rubber sleeve to entangle the upper portion and the lower part of formula mould, easy operation is rapid, and because the rubber sleeve has certain elasticity and intensity, can not scraped by the examination mould, and then guarantees its sealed effect.

Further, a sealing element fixed on the test mold seat is arranged between the mounting seat and the test mold seat.

Has the advantages that: the mount pad is installed on the examination die holder, when constituting the pressure chamber, seals through the sealing member, improves its sealing performance.

Furthermore, a clamping groove for compressing the sealing element is formed in the fixing piece.

Has the advantages that: when the mounting moved towards the examination mould seat to during chucking examination mould and examination mould seat, the draw-in groove can compress tightly the sealing member, further improved the stability of examination mould installation, simultaneously, compressed tightly the sealing member, further improved its sealing performance.

Furthermore, a positioning hole is formed in the mounting seat, and a positioning shaft in sliding fit with the positioning hole is fixed on the test die holder.

Has the advantages that: the locating hole and the locating shaft are matched, so that an operator can conveniently align the test die and the test die holder, and the operator can conveniently install the test die holder.

And the water inlet pump is fixed on the detection table and used for supplying water into the test die seat.

Has the advantages that: water is sent into the test die holder and the body through a water inlet pump so as to achieve the purpose of the anti-seepage pressure test.

Further, the sealing member is made of an elastic material.

Has the advantages that: when the mounting moved towards the examination die holder to during chucking examination mould and examination die holder, the draw-in groove can compress tightly the sealing member, because the sealing member makes for elastic material, when the chucking sealing member, makes the sealing member take place deformation, the frictional force of increase mounting and examination die holder, and on the other hand, the sealing member warp, can further plug up the clearance between examination die holder and the mount pad.

Furthermore, a supporting plate for fixing the water inlet pump is fixed on one side of the detection table.

Has the advantages that: the water inlet pump is supported by the supporting plate, and when the detection platform is moved, the water inlet pump can be moved together, so that the operation of an operator is reduced.

Further, the length of rubber sleeve is 10 ~ 75 mm.

Has the advantages that: when the length of the rubber sleeve is 10-75 mm, the upper part and the lower part of the sample can be wrapped.

Drawings

FIG. 1 is a front view of a concrete impermeability test impermeability tester of the embodiment of the utility model;

FIG. 2 is a cross-sectional view of a test mold and a test mold base according to an embodiment of the present invention;

FIG. 3 is a top view of a trial mold according to an embodiment of the present invention;

fig. 4 is the structural schematic diagram of the rubber sleeve of the embodiment of the present invention installed on the sample.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the test bench comprises a test bench 1, a guide groove 11, a test die holder 21, a mounting seat 22, a body 23, a fixing part 25, a sealing part 26, a clamping groove 27, a guide block 28 and a first support plate 32.

The embodiments are substantially as shown in figures 1, 2 and 3: the utility model provides a concrete is impervious appearance for impervious test, is including examining test table 1, examines on 1 bolt fastening of test table and has a plurality of examination die holders 21, and the periphery equipartition of examination die holder 21 has a plurality of mountings 25, and the longitudinal section of mountings 25 is the L type of inversion to all towards the middle part of examination die holder 21. The lower part of the fixing part 25 is welded with a guide part, the guide part is a guide block 28 in the embodiment, the detection platform 1 is provided with a guide groove 11, and the guide groove 11 is horizontally connected with the guide block 28 in a sliding manner. A sealing member 26 is fixed to the test die holder 21 by screws, and in this embodiment, the sealing member 26 is made of an elastic material. The fixing member 25 is provided with a locking groove 27 for locking the sealing member 26. The test die holder 21 is provided with a cavity with an upper opening, and one side of the cavity is provided with a water outlet.

The top of examination die holder 21 is provided with examination mould, and examination mould includes that cavity and upper portion and the equal open-ended body 23 in lower part, and the welding of the lower part of body 23 has mount pad 22, is provided with the opening with body 23 intercommunication on the mount pad 22, and it has a plurality of locating holes to open on the mount pad 22, and the locating hole is along the circumference equipartition of mount pad 22. The test die holder 21 is welded with a plurality of positioning shafts 30, and the positioning shafts 30 correspond to the positioning holes one by one. In this embodiment, when the test mold is installed on the test mold seat 21, an operator positions the test mold through the positioning hole and the positioning shaft 30 to avoid position deviation during installation. The longitudinal section of the body 23 is trapezoidal, the diameter of the lower part is larger than that of the upper part, the height of the body 23 is 150mm, the diameter of the upper part is 175mm, and the diameter of the lower part is 185 mm.

A first supporting plate 32 is fixed on the right side of the detection table 1 through bolts, and a water inlet pump 31 is fixed on the first supporting plate 32 through bolts. The water inlet pump 31 is communicated with a water inlet pipe and is communicated with the test mold base 21. As shown in fig. 4, the number of the rubber sleeves is at least two, preferably two in this embodiment, and when the test sample is tested, the rubber sleeves 24 are respectively sleeved on the upper part and the bottom part of the test sample. The length of the rubber sleeve in this embodiment is 10 ~ 75 mm.

The specific implementation process is as follows:

the method comprises the following steps: the upper part and the lower part of the sample are sleeved with the rubber sleeve 24 and placed in the body 23, and the rubber sleeve 24 has certain elasticity and hardness, so that when the sample is placed in the body 23, the rubber sleeve 24 cannot be damaged, and the gap between the sample and the side wall of the test mold is blocked due to the extrusion effect of the test mold and the sample. Then, the positioning holes on the mounting base 22 are aligned with the positioning shafts 30, and then the test mold is mounted on the test mold base 21. So that the body 23 and the test bed 21 form a closed pressure chamber.

Step two: the fixing piece 25 is moved towards the middle of the test die holder 21, and the upper part of the fixing piece 25 presses the mounting seat 22 on the test die holder 21, so that the purpose of fixing the test die is achieved.

Step three: the water inlet pump 31 is started and the water inlet pump 31 passes water through the water inlet pipe for the impermeability test.

Step four: after the test is completed, the fixing piece 25 is moved away from the test die holder 21, and then the test die is taken away.

Claims

1. The utility model provides a concrete is impervious for experiment anti-permeability, includes the organism, is provided with on the organism and examines test table, examines test table top and is provided with a plurality of examination die holder, is fixed with the examination mould that is used for installing the sample on the examination die holder, its characterized in that: the periphery of the test die holder is uniformly provided with a plurality of fixing pieces for fixing the test die, the longitudinal section of each fixing piece is of an inverted L shape, a guide piece is fixed on each fixing piece, and a guide groove in horizontal sliding connection with the guide piece is formed in the detection table.

2. The impermeability instrument for concrete impermeability test according to claim 1, wherein: the examination mould includes the body, and the bottom of body is fixed with the mount pad.

3. The impermeability instrument for concrete impermeability test according to claim 2, wherein: also comprises at least two rubber sleeves.

4. The impermeability instrument for concrete impermeability test according to claim 3, wherein: and a sealing element fixed on the test die seat is arranged between the mounting seat and the test die seat.

5. The impermeability instrument for concrete impermeability test according to claim 4, wherein: the fixing piece is provided with a clamping groove for pressing the sealing piece.

6. The impermeability instrument for concrete impermeability test according to claim 5, wherein: the mounting seat is provided with a positioning hole, and the test die holder is fixed with a positioning shaft which is in sliding fit with the positioning hole.

7. The impermeability instrument for concrete impermeability test according to claim 6, wherein: the device also comprises a water inlet pump fixed on the detection table, and the water inlet pump is used for supplying water into the test die seat.

8. The impermeability instrument for concrete impermeability test according to claim 7, wherein: the seal is made of an elastomeric material.

9. The impermeability instrument for concrete impermeability test according to claim 8, wherein: one side of the detection table is fixed with a supporting plate for fixing the water inlet pump.

10. The impermeability instrument for concrete impermeability test according to claim 9, wherein: the length of the rubber sleeve is 10-75 mm.