Pressing device for water meter detection

Abstract

The utility model discloses a pressing device for water meter detection, which is characterized in that the left side of a sliding rod is connected with a first connecting block in a sliding manner, the first connecting block is annular, the left side of the first connecting block is communicated with a water inlet pipe, the side wall of the water inlet pipe is provided with a first water pipe joint and a second water pipe joint, and the left end of the water inlet pipe is sealed; according to the utility model, through the arrangement of the circulating water path, the static pressure test in the circulating water path of the water meter can be realized, the real use scene can be simulated, the adaptability of the water meter in the use environment can be effectively checked, and the dynamic simulation of the water flow pressure is realized through the alternate opening and closing of the water pumps and the valves. The adaptability of the water meter to the water hammer is simulated, the adaptability of the water meter is further verified, and good practicability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water meter detection device technical field, specifically speak a kind of for water meter detection pressurizing device. BACKGROUND

[0002] Pressure detection to water meter before factory is the key link to ensure its quality, safety and compliance, pressure detection is simulated through actual use in water pressure environment, test the sealing performance of each connecting component and sealing element of water meter, the device for pressure detection of water meter in the prior art is usually set in one end closed type, water pressure is given from the other end to carry out pressure detection to water meter, water meter is tested by static pressure test in static water flow, and the adaptability of water meter under use environment cannot be directly verified, in actual use, especially when valve is suddenly closed, water pump starts or pipeline flow rate changes suddenly, impact wave generated by water inertia can be transmitted at wave speed, form pressure oscillation, also known as water hammer, in long-distance water delivery pipeline, decompression wave can cause liquid vaporization to form air bag, cause liquid column separation. When water column at both ends of cavity is recombined due to pressure wave reflection, high-pressure impact (flow-cutting recombination water hammer) is caused, and pressure peak can reach tens of times of normal working pressure, which is easy to cause damage to water meter, and static pressure experiment cannot directly verify the adaptability of water meter. SUMMARY

[0003] The utility model provides a pressurizing device for water meter detection to solve at least one of the above technical problems in view of the deficiencies of the prior art.

[0004] The utility model discloses a pressurizing device for water meter detection, including water tank, the upper portion of water tank is provided with clamping device, the clamping device includes left vertical board, right vertical board, left vertical board, right vertical board set up in the upper portion of water tank, two parallel slide rods are provided between left vertical board, right vertical board and front and back, the left side of slide rod is slidably connected with first connecting block, and the first connecting block is annular, the left side of first connecting block is connected with water inlet pipe, the lateral wall of water inlet pipe is provided with first water pipe connector, second water pipe connector, the left end of water inlet pipe is sealedly arranged, the left vertical board is provided with hydraulic cylinder, the output end of hydraulic cylinder is drivingly connected with the left end of water inlet pipe, the right side of slide rod is slidably connected with positioning seat, the right vertical board is provided with second connecting block, and the second connecting block is annular, the right side of second connecting block is connected with water outlet pipe;

[0005] The upper portion of the water tank is provided with a first water pump, the first water pump is communicated with a first valve through a pipeline, the first valve is communicated with a first water pipe joint through a first hose, the first water pump is communicated with a pipeline and the pipeline is arranged at the bottom of the water tank, the upper portion of the water tank is provided with a second water pump, the second water pump is communicated with a second valve through a pipeline, the second valve is communicated with a second water pipe joint through a second hose, the second water pump is communicated with a pipeline and the pipeline is arranged at the bottom of the water tank, a pressure gauge is arranged on the water outlet pipe, the water outlet pipe is communicated with a third valve through a pipeline, and the third valve is communicated with the inside of the water tank through a pipeline.

[0006] Further, the front and rear sides of the first connecting block are provided with shaft sleeves, and the shaft sleeves are slidingly connected with the slide rods.

[0007] Further, the front and rear sides of the positioning seat are provided with slide seats, the slide seats are semicircular arc structures, and the slide seats are slidingly connected with the slide rods in cooperation.

[0008] Further, the positioning seat is a semicircular arc structure.

[0009] Further, the left vertical plate and the right vertical plate are connected with the upper end of the water tank through the cross beam, and the left vertical plate and the right vertical plate are symmetrically arranged.

[0010] Further, the first water pump and the second water pump are connected with the upper end of the water tank through the cross beam.

[0011] Further, the first water pump and the second water pump are metering pumps.

[0012] Further, the end faces of the first connecting block and the second connecting block are provided with sealing rings.

[0013] Further, the first valve, the second valve and the third valve are all electromagnetic valves.

[0014] Further, the first connecting block and the second connecting block are on the same axis.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model discloses a circulating waterway is set up, can realize the static pressure test in the circulating waterway of water meter, simulates the real use scene, can effectively examine the adaptability of water meter under the use environment, and the device still realizes the dynamic simulation to the water flow pressure through the multiple water pump, valve alternately opening and closing, simulates the adaptability of water hammer of water meter, further verifies the adaptability of water meter, has good practicality. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those skilled in the art, other related drawings can also be obtained from the drawings without creative labor.

[0018] Fig. 1 The figure is a structural schematic diagram of the present application.

[0019] Fig. 2 The figure is a structural schematic diagram of the clamping device of the present application.

[0020] In the drawings, the components represented by the numbers are listed as follows:

[0021] Water tank 1, clamping device 2, left vertical plate 21, right vertical plate 22, slide rod 23, first connecting block 24, shaft sleeve 25, water inlet pipe 26, first water pipe joint 27, second water pipe joint 28, hydraulic cylinder 29, positioning seat 210, slide base 211, second connecting block 212, water outlet pipe 213, first water pump 3, first valve 4, first hose 5, second water pump 6, second valve 7, second hose 8, third valve 9, pressure gauge 10, water meter 11. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0023] Therefore, the detailed description of the embodiments of the present application provided in the drawings below is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0024] It should be noted that: similar numbers and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0025] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the utility model product when it is usually placed, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0026] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0027] In the description of the utility model, it is also necessary to explain that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Example one: see Figs. 1-2It is each structure schematic drawing of the utility model, including water tank 1, water tank 1's top is provided with clamping device 2, clamping device 2 includes left vertical board 21, right vertical board 22, left vertical board 21, right vertical board 22 are arranged at water tank 1's top, left vertical board 21, right vertical board 22 are provided with two parallel slide rods 23 between front and back, the left side sliding connection of slide rod 23 has first connecting block 24, first connecting block 24 can be guided first left and right movement in slide rod 23, first connecting block 24 is annular, the left side communication of first connecting block 24 has water inlet pipe 26, the lateral wall of water inlet pipe 26 is provided with first water pipe connector 27, second water pipe connector 28, the left end of water inlet pipe 26 is sealed and is arranged, is convenient for with the output end connection of hydraulic cylinder 29, left vertical board 21 is provided with hydraulic cylinder 29, the output end of hydraulic cylinder 29 is drivingly connected with the left end of water inlet pipe 26, the selection of hydraulic cylinder 29 is greater than the maximum pressure of circulating water path, the right side sliding connection of slide rod 23 has locating seat 210, locating seat 210 is matched with the shell of water gauge 11, second connecting block 212 is arranged on right vertical board 22, second connecting block 212 is annular, second connecting block 212 is matched with first connecting block 24 and is clamped to fix water gauge 11 and forms circulating water path, the right side communication of second connecting block 212 has water outlet pipe 213;

[0029] The top of water tank 1 is provided with first water pump 3, first water pump 3 is communicated with first valve 4 through pipeline, first valve 4 is communicated with first water pipe connector 27 through first hose 5, the setting of hose can make first connecting block 24 can move, first water pump 3 is communicated with pipeline and the pipeline is arranged at the bottom of water tank 1, extracts the water in water tank 1, the top of water tank 1 is provided with second water pump 6, second water pump 6 is connected with second valve 7 through pipeline, second valve 7 is communicated with second water pipe connector 28 through second hose 8, the setting of hose can make first connecting block 24 can move, second water pump 6 is communicated with pipeline and the pipeline is arranged at the bottom of water tank 1, extracts the water in water tank 1, pressure gauge 10 is arranged on water outlet pipe 213, detects the instantaneous pressure of circulating water path, water outlet pipe 213 is communicated with third valve 9 through pipeline, third valve 9 is communicated with the inside of water tank 1 through pipeline, and the water in the water path is re-discharged into water tank 1, to realize the circulation of the detection water path.

[0030] Specifically, the front and back of first connecting block 24 are provided with shaft sleeve 25, shaft sleeve 25 is slidingly connected with slide rod 23, first connecting block 24 stably moves on slide rod 23.

[0031] Specifically, the front and back of locating seat 210 are provided with slide seat 211, slide seat 211 is semicircular arc structure, slide seat 211 is slidingly connected with slide rod 23, the setting of semicircular arc of slide seat 211 can dismount and install locating seat 210, which facilitates the replacement of locating seat 210 to realize the pressure test of water gauge 11 with different shapes and similar diameters.

[0032] Specifically, the positioning seat 210 is a semicircular arc structure, which cooperates with the side surface of the water meter 11.

[0033] Specifically, the left stand 21 and the right stand 22 are connected to the upper end of the water tank 1 through the cross beam, and the left stand 21 and the right stand 22 are symmetrically arranged.

[0034] Specifically, the first water pump 3 and the second water pump 6 are connected to the upper end of the water tank 1 through the cross beam.

[0035] Specifically, the first water pump 3 and the second water pump 6 are both metering pumps, which can indirectly realize stepless adjustment of the waterway pressure and realize adjustment of the pressure of the circulating waterway.

[0036] Specifically, the end surface of the first connecting block 24 and the second connecting block 212 is provided with a sealing ring, which further seals the connecting point and prevents water in the pressure pipeline from overflowing.

[0037] Specifically, the first valve 4, the second valve 7 and the third valve 9 are all solenoid valves, which are convenient for adjusting the valves.

[0038] Specifically, the first connecting block 24 and the second connecting block 212 are on the same axis.

[0039] When the utility model is used, when the water meter 11 is dynamically pressure tested, the water meter 11 is placed on the positioning seat 210, the hydraulic cylinder 29 pushes the first connecting block 24, the first connecting block 24 and the second connecting block 212 are cooperated to extrude and fix the water meter 11, the second valve 7 is started to be closed, the third valve 9 is opened, the first water pump 3 is started, the first water pump 3 supplies water to the water meter 11 test pipeline, the waterway water pressure is stabilized at 1.6 MPa by adjusting the power of the first water pump 3 and the opening of the third valve 9, and the static pressure of the water meter 11 in the circulating waterway is tested.

[0040] When the utility model is used, when the utility model is used, when the water hammer is simulated to test the fluctuating pressure of the water meter 11, in the environment of the dynamic pressure test of the water meter 11, the second water pump 6 is started to open the second valve 7, and the opening of the first valve 4, the second valve 7 and the third valve 9 is cooperated to realize the fluctuation of the waterway water pressure, realize the fluctuation of the waterway water pressure from 0 to 3.2 MPa, and test the adaptability of the water meter 11 under the condition of pressure fluctuation, and test the dynamic pressure of the water meter 11 in the circulating waterway.

[0041] The above is only an optional embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can be variously changed and varied. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0042] In addition, it should be noted that various specific technical features described in the foregoing embodiments can be combined in any appropriate manner without contradiction, and to avoid unnecessary repetition, the present application will not describe various possible combinations again.

Claims

1. A pressure testing device for water meter testing, characterized in that: Includes a water tank (1), above which is a clamping device (2), the clamping device (2) includes a left upright plate (21) and a right upright plate (22), the left upright plate (21) and the right upright plate (22) are positioned above the water tank (1), and two parallel sliding rods (23) are arranged between the left upright plate (21) and the right upright plate (22), the left side of which is slidably connected to a first connecting block (24), the first connecting block (24) is annular, and the left side of the first connecting block (24) is connected to a water inlet pipe (26), the water inlet... The side wall of the pipe (26) is provided with a first water pipe joint (27) and a second water pipe joint (28). The left end of the water inlet pipe (26) is sealed. A hydraulic cylinder (29) is provided on the left vertical plate (21). The output end of the hydraulic cylinder (29) is connected to the left end of the water inlet pipe (26) in a transmission connection. A positioning seat (210) is slidably connected to the right side of the slide rod (23). A second connecting block (212) is provided on the right vertical plate (22). The second connecting block (212) is annular. A water outlet pipe (213) is connected to the right side of the second connecting block (212). A first water pump (3) is installed above the water tank (1). The first water pump (3) is connected to a first valve (4) through a pipe. The first valve (4) is connected to a first water pipe joint (27) through a first hose (5). The first water pump (3) is connected to a pipe and the pipe is located at the bottom of the water tank (1). A second water pump (6) is installed above the water tank (1). The second water pump (6) is connected to a second valve (7) through a pipe. The second valve (7) is connected to a second water pipe joint (28) through a second hose (8). The second water pump (6) is connected to a pipe and the pipe is located at the bottom of the water tank (1). A pressure gauge (10) is installed on the water outlet pipe (213). The water outlet pipe (213) is connected to a third valve (9) through a pipe. The third valve (9) is connected to the inside of the water tank (1) through a pipe.

2. The pressure testing device for water meter testing according to claim 1, characterized in that: The first connecting block (24) is provided with bushings (25) on both the front and rear sides, and the bushings (25) are slidably connected to the slide rod (23).

3. The pressure testing device for water meter testing according to claim 1, characterized in that: The positioning seat (210) is provided with slides (211) on both the front and rear sides. The slides (211) are semi-circular arc structures and are slidably connected with the slide rod (23).

4. The pressure testing device for water meter testing according to claim 1, characterized in that: The positioning seat (210) has a semi-circular arc structure.

5. The pressure testing device for water meter testing according to claim 1, characterized in that: The left upright plate (21) and the right upright plate (22) are connected to the upper end of the water tank (1) through a crossbeam, and the left upright plate (21) and the right upright plate (22) are symmetrically arranged.

6. The pressure testing device for water meter testing according to claim 1, characterized in that: The first water pump (3) and the second water pump (6) are both connected to the upper end of the water tank (1) through a crossbeam.

7. The pressure testing device for water meter testing according to claim 1, characterized in that: Both the first water pump (3) and the second water pump (6) are metering pumps.

8. The pressure testing device for water meter testing according to claim 1, characterized in that: Both the first connecting block (24) and the second connecting block (212) have sealing rings on their end faces.

9. The pressure testing device for water meter testing according to claim 1, characterized in that: The first valve (4), the second valve (7), and the third valve (9) are all solenoid valves.

10. The pressure testing device for water meter testing according to claim 1, characterized in that: The first connecting block (24) and the second connecting block (212) are on the same axis.

Images