Mortar anti-water-flushing performance testing device

Abstract

The utility model relates to the field of mortar performance testing, and discloses a mortar water-flushing-resistant performance testing device which comprises a platform scale, a high-position water tank and a testing groove, a high-position support is arranged on the upper surface of the platform scale, the high-position water tank is arranged at the upper end of the high-position support, the testing groove is obliquely arranged, and the lowest point of the bottom of the testing groove is hinged to the upper surface of the platform scale. The bottom of the test groove is connected with the upper surface of the platform scale through a connecting assembly, the connecting assembly is of a telescopic rod structure, a mortar containing groove is formed in the groove bottom of the test groove, and when mortar is placed in the mortar containing groove, the upper surface of the mortar and the groove bottom of the test groove are located in the same plane. A steel wire hose is connected to the bottom of the high-level water tank, a ball valve is arranged at the joint, a water outlet guide port is formed in the bottom of the steel wire hose, the output end of the water outlet guide port is rectangular, the length direction of the output end is parallel to the width direction of the test tank, and the output end of the water outlet guide port is close to the tank bottom of the test tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to mortar performance test field, concretely relates to a mortar water scouring resistance performance testing device. BACKGROUND

[0002] The mortar is a common building construction material, and its performance detection includes performance detection such as apparent density, compressive strength, consistency loss, water retention, shrinkage, setting time and tensile bonding strength, but the mortar whether can be washed away or carries certain cementing material under the condition of dynamic water is neglected, so that the application performance of the mortar is affected, especially in the water-rich construction environment, it is necessary to detect the water scouring resistance performance of the mortar, for example, the shield construction in the rail transit construction field, the application of the mortar is indispensable, in the shield construction field, the mortar is often used for the filling of segment wall thickness gap, but the shield tunnel often exists in groundwater, especially in the tunneling process, certain water collection channel is formed, and a certain scouring effect is generated on the mortar, so the mortar requires certain water scouring resistance performance, based on this, the utility model provides a mortar water scouring resistance performance testing device, which can detect the water scouring resistance performance of the mortar and test the water scouring resistance performance of the mortar under different angle water flow scouring. SUMMARY

[0003] To solve the problems mentioned in the above background, the utility model provides a mortar water scouring resistance performance testing device.

[0004] To achieve the above technical purpose, the technical scheme adopted by the utility model is as follows.

[0005] A mortar water scouring resistance performance testing device, comprising a platform scale, a high-position water tank and a test tank,

[0006] The upper surface of the platform scale is provided with a high-position support, the high-position water tank is arranged at the upper end of the high-position support, the test tank is arranged obliquely, the lowest point of the bottom of the test tank is hingedly connected with the upper surface of the platform scale, and the bottom of the test tank further forms a connection with the upper surface of the platform scale through a connecting assembly; the connecting assembly is in the form of an extension rod structure; the tank bottom of the test tank is provided with a mortar placing groove; when the mortar is placed in the mortar placing groove, the upper surface of the mortar and the tank bottom of the test tank are located in the same plane.

[0007] As a further improvement and optimization of the utility model, the upper surface of the platform scale is provided with a protractor, and the protractor is close to the lowest point of the bottom of the test tank.

[0008] As a further improvement and optimization of the utility model, the connecting assembly comprises a lower support arranged at the bottom of the test tank and an upper support arranged on the upper surface of the platform scale, a connecting shaft is hingedly arranged on the lower support, the bottom of the connecting shaft is provided with a sliding sleeve through a bearing, a threaded shaft is screw-mounted in the sliding sleeve, and the bottom of the threaded shaft is hingedly connected with the upper support.

[0009] The hinge shaft formed by the lowest part of the bottom of the test tank and the upper surface of the platform scale, the hinge shaft formed by the lower support and the connecting shaft, and the hinge shaft formed by the threaded shaft and the upper support are parallel to each other, and the threaded shaft and the hinge shaft are perpendicular to each other.

[0010] As further improvement and optimization of the utility model, the bottom of the high-position water tank is provided with a flow guide assembly, and the output end of the flow guide assembly is close to the tank bottom of the test tank and located above the mortar placing tank.

[0011] As further improvement and optimization of the utility model, the flow guide assembly comprises a steel wire hose arranged at the bottom of the high-position water tank, and a ball valve is arranged at the connecting position of the high-position water tank and the steel wire hose, and the bottom of the steel wire hose is provided with a water outlet flow guide port.

[0012] As further improvement and optimization of the utility model, the output end of the water outlet flow guide port is in a rectangular shape, and the length direction of the output end is parallel to the width direction of the test tank, and the output end of the water outlet flow guide port is close to the tank bottom of the test tank.

[0013] As further improvement and optimization of the utility model, the tank bottom of the test tank is provided with a mark line, and the output end of the flow guide assembly is close to the mark line.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The scheme can realize detection on the water impact resistance of the mortar, and on this basis:

[0016] 1. The water outlet flow guide port can convert the columnar water flow into linear water flow, and ensure that the water flow flows uniformly on the test tank;

[0017] 2. The unit flow of water can be changed by changing the flow area of the ball valve, and the inclination angle of the test tank can be changed by changing the length of the connecting assembly; in this way, the scouring test data under different conditions can be obtained, and the detection result is more accurate;

[0018] 3. The whole test structure is arranged on the platform scale, the weight of the mortar carried away by the water flow can be directly and clearly obtained, the related data indexes can be quantified, and the test operation is simpler and more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure diagram of the utility model Figure 1 ;

[0020] Figure 2 The structure diagram of the utility model Figure 2 ;

[0021] Figure 3It is a schematic view of high water tank, test tank and connecting assembly.

[0022] Figure 4 It is a schematic view of bottom of test tank.

[0023] Figure 5 It is a schematic view of test tank and high water tank.

[0024] Reference signs in the drawings are:

[0025] 1, platform scale; 2, test tank; 201, mortar placing tank; 202, mark line; 3, connecting assembly; 301, threaded shaft; 302, sliding sleeve; 303, connecting shaft; 4, high support; 5, high water tank; 6, ball valve; 7, steel wire hose; 8, water outlet guide port; 9, protractor. DETAILED DESCRIPTION

[0026] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0027] Referring to Figures 1-5 A mortar water impact resistance test device, comprising a platform scale 1, a test tank 2 and a high water tank 5, wherein:

[0028] The upper surface of the platform scale 1 is provided with a high support 4, and the high water tank 5 is arranged on the high support 4.

[0029] The test tank 2 is arranged in an inclined manner, the lowest point of the bottom of the test tank 2 is hingedly connected to the upper surface of the platform scale 1, and the bottom of the test tank 2 is further connected to the upper surface of the platform scale 1 through a connecting assembly 3, the connecting assembly 3 is in the form of an extension rod structure, the inclination angle of the test tank 2 can be changed by adjusting the extension length of the connecting assembly 3, preferably, the upper surface of the platform scale 1 is provided with a protractor 9, the protractor 9 is close to the lowest point of the bottom of the test tank 2, and the inclination angle of the test tank 2 can be directly and clearly read through the protractor 9.

[0030] The bottom of the high water tank 5 is connected with a steel wire hose 7 and a ball valve 6 is arranged at the connecting position, by rotating the handle of the ball valve 6, the flow area of the ball valve 6 can be changed, so that the unit flow of water passing through the ball valve 6 can be adjusted, the bottom of the steel wire hose 7 is provided with a water outlet guide 8, the output end of the water outlet guide 8 is in a rectangular shape and the length direction of the output end is parallel to the width direction of the test tank 2, the output end of the water outlet guide 8 is close to the tank bottom of the test tank 2, the water outlet guide 8 can convert the columnar water flow into linear water flow, and the water flow can flow uniformly on the test tank 2, preferably, the tank bottom of the test tank 2 is provided with a mark line 202, so that the position of the output end of the water outlet guide 8 is consistent relative to the test tank 2 during each test, and it should be noted that a hook can be arranged on the side of the test tank 2, a hanging groove corresponding to the hook is arranged on the water outlet guide 8, the water outlet guide 8 is hung in the test tank 2, or the water outlet guide 8 can be directly fixed in the test tank 2.

[0031] The tank bottom of the test tank 2 is provided with a mortar placing groove 201, the mortar placing groove 201 is located below the water outlet guide 8, when the mortar is placed in the mortar placing groove 201, the upper surface of the mortar is located in the same plane as the tank bottom of the test tank 2, in this way, when the water flows in the test tank 2, the water can flow above the mortar to form a scouring effect.

[0032] Referring to Figure 3 With Figure 4 The connecting assembly 3 comprises a lower support arranged at the bottom of the test tank 2 and an upper support arranged on the upper surface of the platform scale 1, a connecting shaft 303 is hingedly arranged on the lower support, the bottom of the connecting shaft 303 is provided with a sliding sleeve 302 through a bearing, a threaded shaft 301 is screwedly installed in the sliding sleeve 302, and the bottom of the threaded shaft 301 is hingedly connected with the upper support.

[0033] The hinged shaft formed by the hinged position of the bottom of the test tank 2 and the upper surface of the platform scale 1, the hinged shaft formed by the hinged position of the lower support and the connecting shaft 303 and the hinged shaft formed by the hinged position of the threaded shaft 301 and the upper support are parallel to each other, and the threaded shaft 301 is perpendicular to the hinged shaft; therefore, by rotating the sliding sleeve 302, the length of the connecting assembly 3 can be changed, so that the inclination angle of the test tank 2 can be changed.

[0034] The working principle of the utility model is as follows:

[0035] Firstly, the ball valve 6 is closed, a certain amount of water is injected into the high water tank 5, the ball valve 6 is opened, and after the water flow is completed and the test device is wetted, the ball valve 6 is closed;

[0036] Then, the mortar is placed in the mortar placing groove 201, and the value of the platform scale 1 at this time is recorded as the initial value;

[0037] Then, a quantitative water is injected into the high-position water tank 5, the ball valve 6 is opened, the water flows and the mortar is washed;

[0038] After the washing is finished, the value of the platform scale 1 is recorded as an end value, and the difference between the initial value and the end value is the weight of the mortar washed away by the water.

[0039] The above process is a washing test, and a plurality of washing test data under different conditions are required, and the different conditions include the following: the unit flow of the water is changed by changing the flow area of the ball valve 6; and the length of the connecting assembly 3 is changed to change the inclination angle of the test tank 2.

[0040] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiments with equivalent changes and modifications are still within the scope of the technical solution of the present application.

Claims

1. A device for testing the water-rushing resistance of a mortar, characterized in that, The utility model relates to a mortar test device, including: A platform scale (1), the upper surface of the platform scale (1) is provided with a high support (4); A high water tank (5), the high water tank (5) is arranged at the upper end of the high support (4); And a test tank (2), the test tank (2) is arranged in an inclined manner, the lowest point of the bottom of the test tank (2) is hingedly connected to the upper surface of the platform scale (1), the bottom of the test tank (2) is further connected to the upper surface of the platform scale (1) through a connecting assembly (3), the connecting assembly (3) is in the form of a telescopic rod, the tank bottom of the test tank (2) is provided with a mortar placing groove (201), when mortar is placed in the mortar placing groove (201), the upper surface of the mortar is in the same plane as the tank bottom of the test tank (2).

2. The water resistance test device for mortar according to claim 1, wherein The upper surface of the platform scale (1) is provided with a protractor (9) close to the lowest point of the bottom of the test tank (2).

3. The water resistance test device for mortar according to claim 1, wherein The connecting assembly (3) includes a lower support arranged at the bottom of the test tank (2) and an upper support arranged on the upper surface of the platform scale (1), a connecting shaft (303) is hingedly arranged on the lower support, the bottom of the connecting shaft (303) is provided with a sliding sleeve (302) through a bearing, a threaded shaft (301) is screw-mounted in the sliding sleeve (302), the bottom of the threaded shaft (301) is hingedly connected to the upper support; The hinged shaft formed by the hinged connection between the lowest point of the bottom of the test tank (2) and the upper surface of the platform scale (1), the hinged shaft formed by the hinged connection between the lower support and the connecting shaft (303), and the hinged shaft formed by the hinged connection between the threaded shaft (301) and the upper support are parallel to each other, and the threaded shaft (301) is perpendicular to the hinged shafts.

4. The water resistance test device for mortar according to claim 1, wherein The bottom of the high water tank (5) is provided with a flow guide assembly, the output end of the flow guide assembly is close to the tank bottom of the test tank (2) and above the mortar placing groove (201).

5. The water resistance test device for mortar according to claim 4, wherein The flow guide assembly includes a steel wire hose (7) arranged at the bottom of the high water tank (5), and a ball valve (6) is arranged at the connection between the high water tank (5) and the steel wire hose (7), and the bottom of the steel wire hose (7) is provided with a water outlet flow guide opening (8).

6. The water resistance test device for mortar according to claim 5, wherein The output end of the water outlet flow guide opening (8) is in the form of a rectangle, and the length direction of the output end is parallel to the width direction of the test tank (2), and the output end of the water outlet flow guide opening (8) is close to the tank bottom of the test tank (2).

7. The apparatus for testing water impact resistance of mortar according to claim 6, wherein The tank bottom of the test tank (2) is provided with a mark line (202), and the output end of the flow guide assembly is close to the mark line (202).

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