Reverse pressurizing device of concrete anti-permeability instrument

Abstract

The reverse pressurizing device comprises a supporting frame formed by fixedly connecting a top plate, a bottom plate and a back plate, a seepage testing pipe and an anti-seepage instrument body, the anti-seepage instrument body is fixedly installed on the top face of the bottom plate, and the seepage testing pipe is fixedly installed on the top face of the anti-seepage instrument body; a hydraulic cylinder is arranged on the top face of the top plate, and a supporting plate is installed on the inner side face of the back plate through vertical movement of the hydraulic cylinder. A sleeve is fixedly mounted at the bottom of the supporting plate; a sealing assembly is arranged between the bottom end of the sleeve and the seepage test pipe; according to the utility model, the supporting plate is controlled to move downwards through the hydraulic cylinder, so that the sleeve on the lower surface of the supporting plate is in contact with the upper surface of the seepage test pipe, the upper sealing ring is completely attached to the lower sealing ring, and the upper surface of the test block is randomly pressurized through the pressure pump, so that pressurization in the opposite direction is formed, and the effect of enhancing the detection capability of traditional seepage test equipment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete impermeability testers, in particular to a reverse pressure device for a concrete impermeability tester. Background Art

[0002] Concrete impermeability meter Concrete, an artificial stone widely used in construction, requires special properties for some buildings, such as hydraulic structures, underwater, water, underground and other construction projects. The so-called impermeability refers to the ability of the materials used in the structure to resist the penetration of water and other liquids (light oil, heavy oil) under pressure. The HS-4 impermeability meter is mainly used for the test of concrete impermeability and the determination of impermeability grades. It can also be used to determine the air permeability and quality inspection of building materials.

[0003] After searching, the patent with application number CN202221770574.3 discloses a reverse pressurization device for a concrete impermeability tester, including an impermeability tester body, a workbench fixedly connected to the top of the impermeability tester body, a fixed plate fixedly connected to the top of the workbench, and the number of fixed plates is six, a support plate movably connected to the top of the fixed plate, and a pressure pump fixedly connected to the top of the support plate. The utility model improves the stability of the fixed plate when in use by setting a workbench for fixing the fixed plate, and by setting a support plate for supporting the pressure pump, and by setting a pressure pump for pressurizing the impermeability tester body, thereby cooperating with the pressure gauge to calibrate the pressure value inside the impermeability tester body, solving the problem that the impermeability tester pressure indication is inaccurate and cannot be automatically calibrated, and some calibration personnel do not know how to perform calibration operations for the concrete impermeability tester, and each calibration requires special personnel to cooperate, resulting in a waste of personnel.

[0004] However, each time the above-mentioned device is used, it needs to be operated manually, and the above-mentioned device can only act on one place at a time when pressurized, which will affect the efficiency of pressurization to a certain extent during use, and easily cause a certain degree of labor waste. Based on this, the utility model provides a reverse pressurization device for a concrete anti-seepage instrument to solve the technical problems raised in the above-mentioned background technology. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a reverse pressurizing device for a concrete anti-seepage instrument.

[0006] The technical solution of the utility model is as follows:

[0007] A reverse pressurizing device for a concrete impermeability tester comprises a top plate, a support frame formed by a bottom plate and a back plate fixedly connected together, a test tube and an impermeability tester body, wherein the impermeability tester body is fixedly mounted on the top surface of the bottom plate and the test tube is fixedly mounted on the top surface of the impermeability tester body; a hydraulic cylinder is arranged on the top surface of the top plate, and a support plate is installed on the inner side surface of the back plate by means of the hydraulic cylinder for moving up and down, and the support plate is located above the impermeability tester body; a sleeve is fixedly mounted on the bottom of the support plate, and a pressure assembly is fixedly mounted on the top of the support plate for pressurizing the test block; the bottom end of the sleeve abuts against the test tube and a sealing assembly is arranged between the two.

[0008] Preferably, the pressure assembly includes a pressure pump, which is arranged on the top surface of the top plate. Four vertical connecting rods are provided on the top surface of the top plate for connecting the support plate, and a hydraulic cylinder is installed on the top of the support plate; a transmission pipe is fixedly connected to the outer side of the pressure pump, an electric valve is provided on the transmission pipe, and the bottom end of the transmission pipe extends into the inner side of the casing.

[0009] Preferably, the sealing assembly includes an upper sealing ring and a lower sealing ring, the upper sealing ring is fixedly installed at the bottom end of the casing, and the lower sealing ring is fixedly installed at the port of the seepage test tube, and the upper sealing ring works in cooperation with the lower sealing ring.

[0010] Preferably, a control panel is provided on the front of the anti-seepage instrument body, and operation buttons are provided on the control panel; a heat dissipation fan is provided on one side surface of the anti-seepage instrument body, and a ventilation hole is opened at the bottom of the anti-seepage instrument body, and a pad is provided between the anti-seepage instrument body and the bottom plate.

[0011] Preferably, a diagonal support plate is provided between the back plate and the side edge of the top plate.

[0012] The utility model has the following beneficial effects: the utility model can fully automatically reverse pressurize the test block, thereby enhancing the detection ability of the traditional anti-seepage instrument device for the test block, and no manual operation is required during use, which greatly reduces the waste of human resources, and can act on the detection of multiple test blocks at the same time. A single pressurizing facility is equipped with an independent electric valve to facilitate users to more accurately select test blocks for detection. In the utility model, the concrete test block to be detected can be placed in the test seepage tube, and then the support plate is controlled downward by the hydraulic cylinder, so that the casing on its lower surface contacts the upper surface of the test seepage tube, and the upper sealing ring is completely fitted with the lower sealing ring, so that the inner space of the casing and the test seepage tube forms a closed environment, and the upper surface of the test block is randomly pressurized by a pressure pump, thereby forming a reverse direction of pressurization, thereby achieving the effect of enhancing the detection ability of the traditional anti-seepage instrument equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front perspective view of the structure of the overall device of the utility model;

[0014] Figure 2It is a bottom-up stereoscopic diagram of the structure of the overall device of the utility model;

[0015] Figure 3 It is an enlarged top view of the support plate structure of the utility model;

[0016] Figure 4 It is an enlarged bottom-view stereoscopic diagram of the support plate structure of the utility model;

[0017] Figure 5 It is a partially enlarged stereoscopic view of the seepage test tube structure of the utility model.

[0018] The reference numerals in the figure are as follows:

[0019] 1. Support plate; 2. Pressure pump; 3. Transmission pipe; 4. Electric valve; 5. Casing; 6. Upper sealing ring; 7. Connecting rod; 8. Support plate; 9. Hydraulic cylinder; 10. Top plate; 11. Back plate; 12. Diagonal support plate; 13. Bottom plate; 14. Seepage meter body; 15. Seepage test tube; 16. Lower sealing ring; 17. Control panel; 18. Operation button; 19. Cooling fan; 20. Air vent; 21. Pad. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 5 , a reverse pressurizing device for a concrete impermeability tester comprises a top plate 10, a support frame formed by a bottom plate 13 and a back plate 11 which are fixedly connected to each other, a test tube 15 and an impermeability tester body 14, wherein the impermeability tester body 14 is fixedly mounted on the top surface of the bottom plate 13 and the test tube 15 is fixedly mounted on the top surface of the impermeability tester body 14; a hydraulic cylinder 9 is arranged on the top surface of the top plate 10, and a support plate 1 is installed on the inner side surface of the back plate 11 by means of the hydraulic cylinder 9 for moving up and down, and the support plate 1 is located above the impermeability tester body 14; a sleeve 5 is fixedly mounted on the bottom of the support plate 1, and a pressure assembly is fixedly mounted on the top of the support plate 1 for pressurizing the test block; the bottom end of the sleeve 5 abuts against the test tube 15 and a sealing assembly is arranged between the two, and the sealing assembly comprises an upper sealing ring 6 and a lower sealing ring 16, the upper sealing ring 6 is fixedly mounted on the bottom end of the sleeve 5, and the lower sealing ring 16 is fixedly mounted at the port of the test tube 15, and the upper sealing ring 6 cooperates with the lower sealing ring 16 to work.

[0022] The test seepage tube 15 is installed to provide a detection space for the concrete test block. Through the arrangement of the sleeve 5 and the upper sealing ring 6 inside the sealing assembly and the arrangement of the lower sealing ring 16, a closed environment can be formed between the sleeve 5 and the inner space of the test seepage tube 15, thereby enhancing the sealing of the internal space and facilitating pressurization of the interior thereof. At the same time, by arranging the hydraulic cylinder 9, the operator can conveniently control the sleeve 5 to form contact with the test seepage tube 15 downward.

[0023] Furthermore, the pressure assembly includes a pressure pump 2, which is arranged on the top surface of the top plate 10. Four vertical connecting rods 7 are provided on the top surface of the top plate 10 for connecting the support plate 8. A hydraulic cylinder 9 is installed on the top of the support plate 8. A transmission pipe 3 is fixedly connected to the outer side of the pressure pump 2, and an electric valve 4 is provided on the transmission pipe 3. The bottom end of the transmission pipe 3 extends into the inner side of the sleeve 5.

[0024] The setting of the electric valve 4 facilitates the operator to more accurately select the test block for testing.

[0025] Furthermore, a control panel 17 is provided on the front of the anti-seepage instrument body 14, and an operation button 18 is provided on the control panel 17; a heat dissipation fan 19 is provided on one side surface of the anti-seepage instrument body 14, and a ventilation hole 20 is opened at the bottom of the anti-seepage instrument body 14, and a pad 21 is provided between the anti-seepage instrument body 14 and the bottom plate 13.

[0026] Furthermore, a diagonal support plate 12 is provided between the sides of the back plate 11 and the top plate 10 ; the provision of the diagonal support plate 12 facilitates enhancing the stability of the overall device and the installation strength between the back plate 11 and the top plate 10 .

[0027] The working principle of this utility model:

[0028] In the utility model, when the device is working, the concrete test block to be tested is first placed in the test tube 15, and then the support plate 1 is controlled downward by the hydraulic cylinder 9, so that the sleeve 5 on its lower surface contacts the upper surface of the test tube 15, and the upper sealing ring 6 and the lower sealing ring 16 are completely fitted, so that the inner space of the sleeve 5 and the test tube 15 forms a closed environment, and the upper surface of the test block is pressurized by the pressure pump 2 at random, thereby forming a pressure in the opposite direction, thereby achieving the effect of enhancing the detection capability of the traditional anti-seepage instrument equipment.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A reverse pressure device for a concrete impermeability tester, comprising a top plate (10), a bottom plate (13) and a back plate (11) fixedly connected to form a support frame, a permeability test tube (15) and an impermeability tester body (14), characterized in that: The anti-seepage instrument body (14) is fixedly mounted on the top surface of the bottom plate (13) and the test tube (15) is fixedly mounted on the top surface of the anti-seepage instrument body (14); a hydraulic cylinder (9) is provided on the top surface of the top plate (10), and a support plate (1) is installed on the inner side surface of the back plate (11) by moving up and down through the hydraulic cylinder (9), and the support plate (1) is located above the anti-seepage instrument body (14); a sleeve (5) is fixedly mounted on the bottom of the support plate (1), and a pressure assembly is fixedly mounted on the top of the support plate (1) for pressurizing the test block; the bottom end of the sleeve (5) is in contact with the test tube (15) and a sealing assembly is provided between the two.

2. A reverse pressure device for a concrete anti-osmotic tester according to claim 1, characterized in that: The pressure assembly comprises a pressure pump (2), the pressure pump (2) being arranged on the top surface of the top plate (10), the top surface of the top plate (10) being provided with four vertical connecting rods (7) for connecting with a support plate (8), and the hydraulic cylinder (9) being installed on the top of the support plate (8); a transmission pipe (3) being fixedly connected to the outer side of the pressure pump (2), an electric valve (4) being provided on the transmission pipe (3), and the bottom end of the transmission pipe (3) extending into the inner side of the sleeve (5).

3. A reverse pressure device for a concrete anti-osmotic tester according to claim 1, characterized in that: The sealing assembly comprises an upper sealing ring (6) and a lower sealing ring (16), wherein the upper sealing ring (6) is fixedly mounted on the bottom end of the sleeve (5), and the lower sealing ring (16) is fixedly mounted on the port of the seepage test tube (15), and the upper sealing ring (6) and the lower sealing ring (16) work in coordination.

4. A reverse pressure device for a concrete anti-osmotic tester according to claim 1, characterized in that: The front of the anti-seepage instrument body (14) is provided with a control panel (17), and the control panel (17) is provided with an operation button (18); a heat dissipation fan (19) is provided on one side surface of the anti-seepage instrument body (14), and a ventilation hole (20) is provided at the bottom of the anti-seepage instrument body (14), and a cushion block (21) is provided between the anti-seepage instrument body (14) and the bottom plate (13).

5. A reverse pressure device for a concrete anti-osmotic tester according to claim 1, characterized in that: A diagonal support plate (12) is provided between the side edges of the back plate (11) and the top plate (10).

Images