Municipal engineering non-pressure pipeline closed water test detection device

Abstract

The utility model discloses a municipal engineering non-pressure pipeline closed water test detection device which comprises a water storage barrel assembly, the water storage barrel assembly comprises a water storage barrel, a water injection opening is formed in the bottom of the water storage barrel, a sealing plug A is arranged at the water injection opening, a sealing plug B is arranged at the opening of the water storage barrel, an air inlet pipe and a water outlet pipe are connected to the sealing plug B in a penetrating mode, and the water inlet pipe and the water outlet pipe are communicated with each other. An electromagnetic flowmeter is arranged on the water outlet pipe; the supporting frame comprises a horizontal support and a plurality of vertical rods, the vertical rods are fixedly connected to the horizontal support in a position-adjustable mode, and the water storage barrel assembly is detachably and fixedly connected to the horizontal support. The device can realize quick installation and positioning, reduces the debugging time of the device, is simple in structure, is suitable for various complex field conditions, can realize automatic water replenishing in the whole process to keep a test water head constant, can automatically record test data, and improves the test precision.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal engineering, and in particular to a water-tightness test detection device for pressure-free pipelines in municipal engineering. Background Art

[0002] In the field of municipal engineering, the non-pressure pipe water-tightness test is a commonly used on-site test method for determining the tightness of pipes. The regulations are mandatory provisions for tightness tests on sewage, combined rainwater and sewage pipes, and rainwater pipes in collapsible soil, expansive soil, and quicksand areas.

[0003] Most of the existing non-pressure pipeline closed water test devices only have water storage buckets, but no dedicated support frames, and cannot be applied to various complex on-site conditions; the existing on-site tests basically use artificial water replenishment, which cannot meet the requirements of the specification to continuously replenish water into the test section and maintain a constant test head, which has a great impact on the test results; in addition, the existing test devices calculate the amount of water replenishment by weighing the mass of the water storage bucket before and after the test or measuring the water level of the water storage bucket, which is inefficient and prone to human errors. Utility Model Content

[0004] The purpose of the utility model is to provide a municipal pressure-free pipeline closed water test detection device, which reduces the device debugging time, has a simple structure, is suitable for various complex on-site conditions, can achieve automatic water replenishment throughout the process to keep the test water head constant, can automatically record test data, and improve test accuracy.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A municipal engineering non-pressure pipeline water-tightness test detection device, comprising:

[0007] A water storage barrel assembly, the water storage barrel assembly comprising a water storage barrel, a water injection port provided at the bottom of the water storage barrel, a sealing plug A provided at the water injection port, a sealing plug B provided at the mouth of the water storage barrel, an air inlet pipe and a water outlet pipe connected to the sealing plug B, and an electromagnetic flowmeter provided on the water outlet pipe;

[0008] The support frame includes a horizontal support and a plurality of vertical rods. The vertical rods are adjustable in position and fixedly connected to the horizontal support. The water storage barrel assembly is detachably fixedly connected to the horizontal support.

[0009] Furthermore, a valve is provided on the water outlet pipe between the sealing plug B and the electromagnetic flowmeter.

[0010] Furthermore, the air intake pipe includes two sections of straight pipes and a corrugated pipe that are integrally arranged, wherein the upper straight pipe is penetrated and fixedly connected to the sealing plug B.

[0011] Furthermore, the horizontal bracket is provided with a cylinder placement opening and a plurality of slide grooves corresponding to the vertical rods one by one, and the vertical rods are threaded rods, and the vertical rods pass through both sides of the slide grooves and are locked and fixed by nuts.

[0012] Furthermore, a rubber base is fixedly connected to the bottom of the vertical rod.

[0013] Furthermore, a circular level bubble is provided on the horizontal support.

[0014] Furthermore, a positioning sleeve is provided below the horizontal support, and the lower straight pipe of the air intake pipe is slidably sleeved in the positioning sleeve.

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

[0016] 1. The utility model is provided with a special water storage barrel support frame, and can be adapted to municipal pipeline wells of different diameters and complex test site conditions by adjusting the position of the vertical rod, thereby reducing the device debugging time and increasing the adjustment speed.

[0017] 2. By arranging a retractable bellows and a positioning sleeve for keeping the straight pipe vertical on the water storage barrel assembly, it is convenient to adjust the position of the lower end of the air inlet pipe, realize automatic water replenishment during the test, meet the requirement of the specification that the test head should be kept constant during the test process, and improve the test accuracy.

[0018] 3. In the existing test device, the test results are calculated by weighing the mass of the water storage tank before and after the test or measuring the water level of the water storage tank. The manual estimation error is large and the measurement accuracy is low. However, this patent sets a precise electromagnetic flowmeter on the water outlet pipe to automatically record and display the water replenishment volume during the 30-minute observation time, thereby improving the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main cross-section of the structure of the utility model.

[0020] Figure 2 It is a schematic diagram of a water storage barrel assembly of the utility model.

[0021] Figure 3 The utility model is a top view of the water storage barrel support frame structure.

[0022] Figure 4 This is a schematic structural diagram of the water storage barrel support frame of the utility model from another angle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Combination Figure 1~Figure 4 It can be seen that a municipal engineering non-pressure pipeline water-tightness test detection device includes:

[0026] A water storage barrel assembly 10, the water storage barrel assembly 10 comprises a water storage barrel 101, a water injection port 102 is provided at the bottom of the water storage barrel 101, a sealing plug A1021 is provided at the water injection port 102, a sealing plug B103 is provided at the mouth of the water storage barrel 101, an air inlet pipe 1031 and a water outlet pipe 1032 are connected to the sealing plug B103, and an electromagnetic flowmeter 1033 is provided on the water outlet pipe 1032;

[0027] The support frame 20 includes a horizontal support frame 201 and a plurality of vertical rods 202 . The vertical rods 202 are fixedly connected to the horizontal support frame 201 in an adjustable manner. The water storage barrel assembly 10 is detachably fixedly connected to the horizontal support frame 201 .

[0028] Specifically, the water storage tank 101 is a PC material cylinder with a capacity of 15L, the horizontal bracket 201 is 1.5m long, and is made of square steel pipes and steel plates welded together. The electromagnetic flowmeter is an icomag-compact digital display electromagnetic flowmeter, which is used to automatically record the water flow rate of the test for 30 minutes and display the electromagnetic flowmeter is a Picomag-compact digital display electromagnetic flowmeter, which is used to automatically record the water flow rate of the test for 30 minutes and display it.

[0029] Furthermore, in order to control the water outflow of the water outlet pipe 1032 , a valve 1034 is provided on the water outlet pipe 1032 between the sealing plug B103 and the electromagnetic flowmeter 1033 .

[0030] Furthermore, the air inlet pipe 1031 includes two sections of an integrated straight pipe and a corrugated pipe, wherein the upper straight pipe is penetrated and fixedly connected to the sealing plug B103. Specifically, the air inlet pipe 1031 includes two sections of an integrated plastic hard straight pipe and a plastic soft corrugated pipe, the upper end of the upper straight pipe exceeds the liquid level in the water storage barrel 101, and the lower straight pipe is flush with the test height water level line in the municipal pipeline well.

[0031] Furthermore, the horizontal bracket 201 is provided with a cylinder placement opening 2011 and a plurality of slide grooves 2012 corresponding one to the vertical rod 202. The vertical rod 202 is a threaded rod, and the vertical rod 202 passes through the two sides of the slide groove 2012 and is fixed by nuts. Specifically, the vertical rod 202 is an ordinary carbon steel screw rod, which can slide freely on the slide groove 2012 and can be adjusted in height as needed by locking and fixing with nuts.

[0032] Furthermore, a rubber base 2021 is fixedly connected to the bottom of the vertical rod 202. Specifically, when in use, the rubber base 2021 at the bottom of the vertical rod 202 is supported on the top surface of the wellhead of the municipal pipeline well, which can effectively prevent the support frame from moving.

[0033] Furthermore, in order to facilitate the adjustment of the level, a circular level bubble 2013 is provided on the horizontal support 201 .

[0034] Furthermore, in order to ensure the stability of the air intake pipe, a positioning sleeve 2014 is provided below the horizontal support 201, and the lower straight pipe of the air intake pipe 1031 is slidably sleeved in the positioning sleeve 2014. Meanwhile, the air intake pipe 1031 and the positioning sleeve 2014 are coaxially arranged.

[0035] The working principle of the non-pressure pipeline water-tightness test detection device for municipal engineering provided by the utility model is as follows: when in use, first adjust the position of the vertical rod 202 of the support frame 20 according to the diameter of the municipal pipeline well, try to make the water storage barrel 101 placement port located at the center of the pipeline well, fix the position of the vertical rod 202, so that the support frame 20 is supported above the wellhead of the municipal pipeline well, and adjust the nut of the vertical rod 202 so that the circular level bubble 2013 on the support frame 20 is centered, fix the nut, that is, fix the position of the support frame 20. Place the water storage barrel 101 at the water storage barrel placement port 2011, and pass the air inlet pipe 1031 through the positioning sleeve 2014, and then thread the water storage barrel 101 with the support frame 20. Adjust the pipe mouth of the air inlet pipe 1031 so that the test liquid level just submerges the pipe mouth of the air inlet pipe without air leakage, and close the control valve 1034 on the water outlet pipe. Open the water inlet 102 of the water storage barrel, and inject clean water into the water storage barrel 101 to an appropriate position, which should not exceed the top surface of the air inlet pipe 1031. At the beginning of the test, observe again whether the air inlet pipe 1031 is submerged, and then open the electromagnetic flowmeter 1033 and the water inlet pipe control valve 1034 in turn, and record the initial observation time. After observing for 30 minutes, immediately close the control valve 1034, record the digital display data of the electromagnetic flowmeter 1033, and complete this test.

[0036] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made 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 municipal engineering non-pressure pipeline water-tightness test detection device, characterized in that: include, A water storage barrel assembly (10), the water storage barrel assembly (10) comprising a water storage barrel (101), a water injection port (102) provided at the bottom of the water storage barrel (101), a sealing plug A (1021) provided at the water injection port (102), a sealing plug B (103) provided at the mouth of the water storage barrel (101), an air inlet pipe (1031) and a water outlet pipe (1032) connected to the sealing plug B (103), and an electromagnetic flowmeter (1033) provided on the water outlet pipe (1032); A support frame (20), the support frame (20) comprising a horizontal support (201) and a plurality of vertical rods (202), the vertical rods (202) being fixedly connected to the horizontal support (201) in an adjustable manner, and the water storage barrel assembly (10) being detachably fixedly connected to the horizontal support (201).

2. A municipal engineering non-pressure pipeline water-tightness test detection device according to claim 1, characterized in that: A valve (1034) is provided on the water outlet pipe (1032) between the sealing plug B (103) and the electromagnetic flowmeter (1033).

3. A municipal engineering non-pressure pipeline water-tightness test detection device according to claim 1, characterized in that: The air intake pipe (1031) comprises two sections of straight pipe and a corrugated pipe which are integrally arranged, wherein the upper straight pipe is penetrated and fixedly connected to the sealing plug B (103).

4. A municipal engineering non-pressure pipeline closed water test detection device according to claim 1, characterized in that: The horizontal support (201) is provided with a cylinder placement opening (2011) and a plurality of slide grooves (2012) corresponding one to one with the vertical rods (202); the vertical rods (202) are threaded rods; the vertical rods (202) pass through both sides of the slide grooves (2012) and are fixed by nuts.

5. A municipal engineering non-pressure pipeline closed water test detection device according to claim 1 or 4, characterized in that: The bottom of the vertical rod (202) is fixedly connected to a rubber base (2021).

6. A municipal engineering non-pressure pipeline closed water test detection device according to claim 1 or 4, characterized in that: A circular level bubble (2013) is provided on the horizontal support (201).

7. A municipal engineering non-pressure pipeline water-tightness test detection device according to claim 1, characterized in that: A positioning sleeve (2014) is provided below the horizontal support (201), and the lower straight pipe of the air inlet pipe (1031) is slidably sleeved into the positioning sleeve (2014).

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