CN219737122U - Water supply pipeline hydrostatic test device - Google Patents
Water supply pipeline hydrostatic test device Download PDFInfo
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- CN219737122U CN219737122U CN202321318144.2U CN202321318144U CN219737122U CN 219737122 U CN219737122 U CN 219737122U CN 202321318144 U CN202321318144 U CN 202321318144U CN 219737122 U CN219737122 U CN 219737122U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 368
- 238000012360 testing method Methods 0.000 title claims abstract description 112
- 230000002706 hydrostatic effect Effects 0.000 title claims description 16
- 238000002347 injection Methods 0.000 claims abstract description 65
- 239000007924 injection Substances 0.000 claims abstract description 65
- 230000000903 blocking effect Effects 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 10
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 18
- 230000000087 stabilizing effect Effects 0.000 description 7
- 230000010354 integration Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000282985 Cervus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic engineering, in particular to a water pressure test device for a water supply pipeline, which comprises a water supply pipe, a first plugging plate, a second plugging plate, a water injection assembly, a pressure test assembly and a pressure test piece; the pipeline for injecting water to the water supply pipe is set as a water injection assembly, and the pipeline for boosting (pressure testing) to the water supply pipe is set as a pressure testing assembly, so that the two components are used independently; the water injection assembly can be used for injecting water slowly into the water supply pipe in a short time under the cooperation of a coarse water pipe (a water pipe II) and a high-power water pump in the water injection assembly when water needs to be injected into the water supply pipe rapidly in the earlier stage, so that the water injection efficiency of the water supply pipe is improved; the pressure testing assembly can slowly boost the pressure of the water supply pipe under the cooperation of the regulating valve, the fine water conveying pipeline (the water conveying hose and the water conveying pipe I) and the electric pressure testing pump in the pressure testing assembly when the water supply pipe is filled with water and needs to slowly boost the pressure, is favorable for controlling the boosting pressure, and meets the boosting standard of the water supply pipeline.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to a water pressure test device for a water supply pipeline.
Background
In the construction engineering of ecological flow facilities of the red deer pond hydropower station, tunnel and steel pipes are adopted to supply water jointly, specifically, a diversion tunnel on the right bank of the dam is constructed, the diversion tunnel passes through a dam shoulder on the right side of the dam, and ecological flow is discharged to the dam through the diversion tunnel and a water supply pipe, so that ecological discharge is ensured. Before the water supply pipe is paved, a hydraulic test is needed to be carried out on the water supply pipe in advance, so that the water supply pipe can bear the water pressure under the working conditions.
In the water pressure test process of a water supply pipe, four links of water injection, pressure boosting, pressure stabilizing and pressure relief are generally involved. In the water injection link, water needs to be filled into the water guide pipe in a short time; in the boosting process, the water supply pipe needs to be boosted slowly, the boosting rate is not more than 0.1MPa/min before the pipeline pressure reaches 75%, and the boosting rate is less than 0.01MPa/min after the pipeline pressure reaches 95%. The prior CN202220724120.6 discloses a construction device for hydrostatic test of a large-caliber PCCP pipeline, which adopts the same pipeline-pressurizing mechanism when water is injected into the PCCP pipeline and the pressurizing operation is carried out, if the pressurizing pipe in the pressurizing mechanism is thicker, the quick water injection requirement in the water injection link can be met, but the slow pressurizing requirement in the pressurizing link can not be met accurately; if the pressurizing pipe in the pressurizing mechanism is thinner, the requirement of slow pressure increase in the pressure increasing link can be met, but the requirement of quick water injection in the water injection link cannot be met, so that inconvenience is brought to the water pressure test of the water supply pipe.
Therefore, the pressure test link of the water supply pipeline is required to be improved and designed, so that the problem that inconvenience is brought to the water supply pipeline water pressure test because the water injection link and the pressure test link are both the same pipeline when the water supply pipeline is subjected to pressure test in the prior art is solved.
Disclosure of Invention
The utility model aims to provide a water supply pipeline hydrostatic test device, which aims to solve the problem that the water supply pipeline hydrostatic test is inconvenient because the water injection link and the boosting link are both the same pipeline when boosting (pressure test) operation is carried out on the water supply pipeline in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a water pressure test device for a water supply pipeline comprises a water supply pipe, a first blocking plate, a second blocking plate, a water injection assembly, a pressure test assembly and a pressure test piece; two ends of the water supply pipe are respectively connected with a first blocking plate and a second blocking plate, the first blocking plate is provided with an exhaust valve through an air outlet pipe, and the second blocking plate is respectively connected with a water injection assembly, a pressure test assembly, a pressure measurement piece and an outlet pipe provided with an outlet valve; the pressure test assembly comprises a water delivery hose, an electric pressure test pump, a first water delivery pipe and a small water tank; the liquid outlet end of the water delivery hose is communicated with a water inlet pipe with an adjusting valve on the second plugging plate, the liquid inlet end of the water delivery hose is connected with the output end of the electric pressure testing pump, and the input end of the electric pressure testing pump is communicated with the small water tank through the first water delivery pipe.
Further, the water injection assembly comprises a water injection pipe, a water pump, a water delivery pipe II and a large-scale water tank; the water injection pipe is arranged on the side wall of the second plugging plate, a water valve is installed on a pipeline of the water injection pipe, and a liquid inlet end of the water injection pipe is communicated with the large-sized water tank through a second water delivery pipe provided with a water pump.
Further, the second water delivery pipe is arranged as a fire hose, the second water delivery pipe is thicker than the first water delivery hose and the first water delivery pipe, and the second water delivery hose is thinner than the first water delivery pipe.
Further, the pressure measuring piece comprises a branch pipe and a pressure gauge; one end of the branch pipe is communicated with the two inner cavities of the blocking plate, and the other end of the branch pipe is provided with a pressure gauge.
Further, the branch pipe, the air outlet pipe, the water outlet pipe and the pipeline of the water injection pipe are respectively provided with a flowmeter.
Further, a flowmeter is arranged on the pipeline of the water injection pipe.
Further, one end of the first blocking plate and one end of the second blocking plate are respectively connected with two ends of the water supply pipe through connecting flanges, a plurality of stiffening plates I which are distributed in a 90-degree cross mode are respectively arranged in the grooves at the front parts of the first blocking plate and the second blocking plate, and a plurality of stiffening plates II which are distributed in a 45-degree cross mode are respectively arranged in the grooves at the rear parts of the first blocking plate and the second blocking plate.
Further, the thickness of the first stiffening plate and the second stiffening plate is set to be 20mm, the distance between the adjacent stiffening plates is set to be 333.33mm, and the distance between the adjacent stiffening plates is set to be 333.33mm.
Further, one of the spaces defined by the stiffening plate I is provided with a thermometer, the probe end of the thermometer extends to the back surface of the stiffening plate I and is communicated with the inner cavity of the water supply pipe, and the display end of the thermometer is positioned in the space of the stiffening plate I.
When in operation, the device comprises: the first blocking plate and the second blocking plate are connected with two ends of the water supply pipe, one side of the first blocking plate is used for injecting water into the water supply pipe through the water injection assembly, and the other side of the first blocking plate is used for opening the exhaust valve on the first blocking plate, so that gas in the water supply pipe 1 is exhausted from the exhaust valve, and the phenomenon that the gas stays in the water supply pipe to form an air bag to influence the water pressure test process of the water supply pipe is avoided; when the water in the water supply pipe 1 is filled, the exhaust valve 8 is closed, the water injection assembly is closed, the water supply pipe filled with water is settled for 24 hours, the electric pressure testing pump and the regulating valve in the pressure testing assembly are opened, and the water in the small water tank is led into the water supply pipe under the cooperation of the electric pressure testing pump, the water delivery hose, the water delivery pipe I and the regulating valve, so that the pressure in the water supply pipe is further slowly increased.
When the pressure rises to 50% of the test pressure, stopping the pressure testing assembly, closing the regulating valve, stabilizing the pressure for 15 minutes, observing whether the pressure testing part is changed or not, and continuously boosting the pressure of the water supply pipe by the pressure testing assembly if the pressure testing part is not obviously lowered; when the pressure value displayed by the pressure measuring piece reaches the test pressure, closing the regulating valve, the pressure testing assembly, removing the water hose and the part of the water injection assembly which is not connected with the water supply pipe, and stabilizing the pressure for a period of time, wherein in the process, if the pressure value displayed by the pressure measuring piece is within the standard range of the water pressure test, the water pressure test of the water supply pipe is qualified, otherwise, the water pressure test of the water supply pipe is unqualified.
Compared with the prior art, the utility model has at least one of the following beneficial effects:
according to the utility model, the pipeline for injecting water into the water supply pipe is set as a water injection assembly, and the pipeline for boosting (pressure testing) into the water supply pipe is set as a pressure testing assembly, so that the two components are independently used; the water injection assembly can be used for injecting water slowly into the water supply pipe in a short time under the cooperation of a coarse water pipe (a water pipe II) and a high-power water pump in the water injection assembly when water needs to be injected into the water supply pipe rapidly in the earlier stage, so that the water injection efficiency of the water supply pipe is improved; the pressure testing assembly can slowly boost pressure to the water supply pipe under the cooperation of a regulating valve, a fine water pipeline (a water delivery hose and a water delivery pipe I) and an electric pressure testing pump in the pressure testing assembly when the water supply pipe is filled with water and needs to slowly boost pressure, and is also beneficial to controlling the boosting pressure, so that the boosting pressure standard of the water supply pipeline is met, and the problem that inconvenience is brought to the water pressure test of the water supply pipe because the water injection link and the boosting link are all the same pipeline when the water supply pipe is subjected to boosting (pressure testing) operation in the water pressure test is solved.
Drawings
FIG. 1 is a schematic diagram showing the integration of a water supply pipe, a water injection assembly, a pressure measuring assembly and a pressure testing assembly in the structure of the present utility model.
Fig. 2 is a schematic front view of the water supply pipe assembly in the structure of the present utility model.
FIG. 3 is an integrated top view of the water supply pipe of the present utility model.
FIG. 4 is a schematic diagram of the assembly of the water supply pipe, water injection assembly, pressure measuring assembly and pressure testing assembly (without vent valve) in the structure of the present utility model.
FIG. 5 is a schematic front view of one or both of the closure plates of the present utility model.
FIG. 6 is a schematic rear view of one or both of the first and second closure plates of the present utility model.
FIG. 7 is a schematic view of the integration of the drain pipe, the first closure plate and the water supply pipe in the structure of the present utility model.
FIG. 8 is a schematic view of the integration of the drain, second closure plate, thermometer and water supply pipe in the structure of the present utility model.
FIG. 9 is a schematic diagram of the internal integration of a portion of the water injection assembly, second closure plate, thermometer and water supply pipe in the structure of the present utility model.
FIG. 10 is a schematic view of the integration of the pressure measuring part, the second plugging plate, the thermometer and the water supply pipe in the structure of the utility model.
In the figure, a 1-water supply pipe, a 2-closure plate I, a 3-closure plate II, a 4-water injection assembly, a 5-pressure test assembly, a 6-pressure test piece, a 7-air outlet pipe, an 8-air outlet valve, a 9-water outlet valve, a 10-water outlet pipe, an 11-water delivery hose, a 12-electric pressure test pump, a 13-water delivery pipe I, a 14-water inlet pipe, a 15-water injection pipe, a 16-water pump, a 17-water delivery pipe II, a 18-branch pipe, a 19-pressure gauge, a 20-flowmeter, a 21-stiffening plate I, 22-a plurality of stiffening plates II, a 23-thermometer and a 24-water valve.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, as shown in fig. 1 to 10, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples
Referring to fig. 1-4, a water pressure test device for a water supply pipeline comprises a water supply pipe 1, a first plugging plate 2, a second plugging plate 3, a water injection assembly 4, a pressure test assembly 5 and a pressure measuring piece 6; two ends of the water supply pipe 1 are respectively connected with a first blocking plate 2 and a second blocking plate 3, the first blocking plate 2 is provided with an exhaust valve 8 through an air outlet pipe 7, and the second blocking plate 3 is respectively connected with a water injection assembly 4, a pressure test assembly 5, a pressure measuring piece 6 and an outlet pipe 10 provided with an outlet valve 9; the pressure test assembly 5 comprises a water delivery hose 11, an electric pressure test pump 12, a first water delivery pipe 13 and a small water tank; the liquid outlet end of the water delivery hose 11 is communicated with a water inlet pipe 14 with an adjusting valve on the second plugging plate 3, the liquid inlet end of the water delivery hose 11 is connected with the output end of the electric pressure testing pump 12, and the input end of the electric pressure testing pump 12 is communicated with the small water tank through a first water delivery pipe 13; wherein, the electric pressure test pump is a 3DSY series electric pressure test pump preferentially.
When the water supply device works, the first blocking plate 2 and the second blocking plate 3 are connected with two ends of the water supply pipe 1, one side is filled with water into the water supply pipe 1 through the water injection assembly 4, and the other side is opened with the exhaust valve 8 on the first blocking plate 2, so that gas in the water supply pipe 1 is discharged from the exhaust valve 8, and the phenomenon that the gas stays in the water supply pipe 1 to form an air bag to influence the water pressure test process of the water supply pipe 1 is avoided; when the water in the water supply pipe 1 is filled, the exhaust valve 8 is closed, the water injection assembly 4 is closed, the water supply pipe 1 filled with water is settled for 24 hours, the electric pressure test pump 12 and the regulating valve in the pressure test assembly 5 are opened, and the water in the small water tank is led into the water supply pipe 1 under the cooperation of the electric pressure test pump 12, the water delivery hose 11, the water delivery pipe 13 and the regulating valve, so that the pressure in the water supply pipe 1 is further slowly increased; when the pressure rises to 50% of the test pressure, stopping the pressure testing assembly 15, closing the regulating valve, stabilizing the pressure for 15 minutes, observing whether the pressure testing piece 6 changes or not, and if the pressure testing piece 6 does not drop obviously, continuing to boost the pressure to the water supply pipe 1 by means of the pressure testing assembly 5; when the pressure value displayed by the pressure measuring piece 6 reaches the test pressure, the regulating valve and the pressure testing component 5 are closed, the water hose 11 is removed, the water injection component which is not connected with the water supply pipe 1 is removed, and the pressure is stabilized for a period of time, in the process, if the pressure value displayed by the pressure measuring piece 6 is within the standard range of the water pressure test, the water pressure test of the water supply pipe 1 is qualified, otherwise, the water pressure test of the water supply pipe 1 is unqualified.
Referring to fig. 1 to 4 and fig. 9, in the process of performing a hydrostatic test on the water supply pipe 1, the water injection assembly 4 for injecting water into the water supply pipe 1 includes a water injection pipe 15, a water pump 16, a water pipe two 17 and a large-sized water tank; under the cooperation of the water injection pipe 15, the water pump 16 and the water delivery pipe II 17, water in the large-sized water tank is led into the water delivery pipe 1 to finish the water injection process of the water delivery pipe 1; specifically, the water injection pipe 15 is arranged on the side wall of the second plugging plate 3, a water valve 24 is arranged on a pipeline of the water injection pipe 15, a liquid inlet end of the water injection pipe 15 is connected with a liquid inlet end of the second water delivery pipe 17, a water pump 16 is arranged on the pipeline of the second water delivery pipe 17, and the other end of the second water delivery pipe 17 is communicated with a large-sized water tank.
It should be noted that: the water valve is provided as a check valve to prevent water from the water supply pipe 1 from flowing backward in the water injection pipe 15 when the pressure of the water supply pipe 1 is lower than the water injection pressure.
In practical application, in the boosting (pressure test) process of the water supply pipe 1 in the water pressure test, the water valve 16 is opened, the water pump 16 is started, and water in the large-sized water tank is conveyed into the water supply pipe 1 through the matching of the water injection pipe 15, the water pump 16 and the water conveying pipe two 17, so that the water injection process of the water supply pipe 1 is completed, and further preparation is made for the subsequent water pressure test of the water supply pipeline.
Referring to fig. 1 and 4, in the boosting process of the water pressure test of the water supply pipe 1, the pressure should be slowly raised, and the standard of the boosting is: the pressure rising rate is not more than 0.1MPa/min before the pressure of a water supply pipeline reaches 75%, and the pressure rising rate is less than 0.01MPa/min after the pressure of the pipeline reaches 95%; therefore, the water injection component for injecting water into the water supply pipe 1 cannot accurately control the boosting rate because of thick pipelines, so that the pipe diameter of the water delivery pipe II 17 is thicker than that of the water delivery hose 11 and the pipe diameter of the water delivery pipe I13, the pipe diameter of the water delivery hose 11 is thinner than that of the pipe diameter of the water delivery pipe I13, and the pipe diameter of the pressure test (boosting) water delivery hose 11 is the thinnest; the second water pipe 17 is a water injection component for injecting water into the water supply pipe 1 during the water pressure test of the water supply pipe 1, and the water injection requirement can be met only by a thick pipeline relative to the water delivery hose 11 for pressure test, and the second water pipe 17 can be a fire hose preferentially.
Referring to fig. 1 to 4 and 10, the pressure measuring part 6 for monitoring the internal pressure of the water supply pipe 1 is divided into a branch pipe 18 and a pressure gauge 19; the branch pipe 18 is used for transmitting the pressure in the water supply pipe 1 to the pressure gauge 19, and the pressure gauge 19 is used for displaying data obtained in the boosting, stabilizing and pressure releasing processes of the water supply pipe 1 in the water pressure test in real time so that related personnel can know the pressure in the water supply pipe 1 in real time; specifically, a pressure gauge 19 is installed at one end of the branch pipe 18, the other end of the branch pipe 18 is communicated with the inner cavity of the second blocking plate 3, and the inner cavity of the second blocking plate 3 is communicated with the inner cavity of the water supply pipe 1.
In actual use, in the process of boosting the water supply pipe 1, the pressure in the water supply pipe 1 is boosted by 50%, then the data displayed by the pressure gauge 19 is observed, and whether the pressure in the water supply pipe 1 is boosted to 50% is judged; if the pressure rises to 50%, the pressure is stabilized for 15 minutes, and in the process, the data of the pressure gauge 19 can be observed to judge whether the sealing performance of the water supply pipe 1 is poor.
In the process of stabilizing the pressure of the water supply pipe 1, the corresponding water injection hose 11 is disassembled and the electric pressure testing pump 12 is closed, and whether the pressure in the water supply pipe 1 is in a qualified range is known by observing the data displayed on the pressure gauge 19; if the data displayed by the pressure gauge 19 are within the acceptable range, the tested water supply pipe 1 meets the acceptable standard; if the data displayed by the pressure gauge is below the acceptable range, the tested water supply pipe 1 meets the acceptable standard.
Referring to fig. 1-4, in the process of boosting the pressure of the water supply pipe 1 to 50% of the test pressure and stabilizing the pressure for 15 minutes, pressure measurement is required for each pipeline of the water supply pipe 1, and if the pressure of each pipeline does not drop obviously, the boosting is continued; in order to monitor whether pressure relief exists in each pipeline, the flow meters 20 and the pressure meters can be respectively arranged on the pipelines of the branch pipe 18, the air outlet pipe 7, the water outlet pipe 10 and the water injection pipe 15, so that the monitoring process of the pipeline pressure of the water supply pipe 1 is completed.
In actual use, in the boosting stage in the hydraulic test, the internal pressure of the water supply pipe 1 is boosted to 50% of the test pressure, the pressure is stabilized for 15 minutes, in the process, whether the values of the flow meters 20 or the pressure gauges of the branch pipe 18, the air outlet pipe 7, the water outlet pipe 10 and the water injection pipe 15 have large fluctuation or not is observed, if the large fluctuation exists, the pipeline is further sealed if the pressure relief condition exists; if the fluctuation is not large, the pipeline is not decompressed, and the boosting operation can be continuously performed in the water supply pipe 1 to finish the boosting operation of the water supply pipe 1.
Referring to fig. 1 and fig. 5-6, to facilitate the disassembly and assembly of the water supply pipe 1 and the first and second closure plates 2 and 3, one ends of the second and first closure plates 3 and 2 are respectively connected to two ends of the water supply pipe 1 through connecting flanges. In practical application, when the water supply pipe 1 is subjected to sealing pressure test, the first blocking plate 2 and the second blocking plate 3 can be connected with two ends of the water supply pipe 1 by virtue of the connecting flange and the bolt assembly so as to finish the subsequent water pressure test of the water supply pipe 1; when the pressure test of the water supply pipe 1 is finished, the bolt assemblies on the connecting flange can be removed, so that the first blocking plate 2 and the second blocking plate 3 are separated from the two ends of the water supply pipe 1, and the removal process of the first blocking plate 2 and the second blocking plate 3 is completed.
In order to improve the integral strength of the first blocking plate 2 and the second blocking plate 3, a plurality of stiffening plates 21 which are distributed in a 90-degree cross mode are respectively arranged in the round grooves at the front parts of the first blocking plate 2 and the second blocking plate 3, and a plurality of stiffening plates 22 which are distributed in a 45-degree cross mode are respectively arranged in the round grooves at the rear parts of the first blocking plate 2 and the second blocking plate 3, so that the strength of the first blocking plate 2 and the second blocking plate 3 is further improved through the protection of the stiffening plates 21 and the second stiffening plates 22 on the first blocking plate 2 and the second blocking plate 3.
It should be noted that: the first blocking plate 2 and the second blocking plate 3 are respectively arranged in a disc shape, round grooves are formed in the disc-shaped surface and are divided into a front round groove and a rear round groove, the first stiffening plate 21 is arranged in the front round groove, and the second stiffening plate 22 is arranged in the rear round groove.
Referring to fig. 5-6, the thicknesses of the stiffening plates 21 on the first and second plugging plates 2 and 3 are preferably set to 20mm, the spacing between adjacent stiffening plates 21 is preferably 333.33mm, and the thicknesses and spacing of the stiffening plates 21 can be changed in real time according to specific working conditions, so that the strength of the first and second plugging plates 2 and 3 is further improved; wherein, the first stiffening plate 21 may be made of Q345B.
The thickness of the stiffening plates II 22 on the first blocking plate 2 and the second blocking plate 3 is preferably 20mm, the spacing between the adjacent stiffening plates II 22 is preferably 333.33mm, and the thickness and the spacing of the stiffening plates II 22 can be changed in real time according to specific working conditions, so that the strength of the first blocking plate 2 and the second blocking plate 3 is further improved; wherein, the second stiffening plate 22 may be made of Q345B.
Referring to fig. 5 and 8-10, when the water supply pipe 1 is filled with water, the temperature of the water in the water supply pipe 1 is matched with the outdoor temperature to perform the subsequent boosting operation, so as to measure the temperature of the water in the water supply pipe 1, a thermometer 23 is disposed at one of the intervals defined by the stiffening plate 21, specifically, the probe end of the thermometer 23 extends to the back of the stiffening plate 21 and is communicated with the inner cavity of the water supply pipe 1, and the display end of the thermometer 23 is located in the interval of the stiffening plate 21.
In practical use, before the water supply pipe 1 is subjected to the boosting operation, the temperature of the water injected into the water supply pipe 1 can be monitored in real time through the display end of the thermometer 23 so as to be compared with the ambient temperature; when the monitored water temperature accords with the ambient temperature, the next boosting operation can be performed, and the influence on the subsequent hydrostatic test effect is avoided. Wherein the temperature of the surroundings can be monitored by means of a further thermometer.
Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (9)
1. A water supply line hydrostatic test device, characterized in that: comprises a water supply pipe (1), a first blocking plate (2), a second blocking plate (3), a water injection assembly (4), a pressure test assembly (5) and a pressure measuring piece (6); two ends of the water supply pipe (1) are respectively connected with a first blocking plate (2) and a second blocking plate (3), the first blocking plate (2) is provided with an exhaust valve (8) through an air outlet pipe (7), and the second blocking plate (3) is respectively connected with a water injection assembly (4), a pressure test assembly (5), a pressure measuring piece (6) and an outlet pipe (10) provided with an outlet valve (9); the pressure test assembly (5) comprises a water delivery hose (11), an electric pressure test pump (12), a first water delivery pipe (13) and a small water tank; the liquid outlet end of the water delivery hose (11) is communicated with a water inlet pipe (14) with an adjusting valve on the second plugging plate (3), the liquid inlet end of the water delivery hose (11) is connected with the output end of the electric pressure testing pump (12), and the input end of the electric pressure testing pump (12) is communicated with the small water tank through a first water delivery pipe (13).
2. A water supply line hydrostatic test unit according to claim 1, wherein: the water injection assembly (4) comprises a water injection pipe (15), a water pump (16), a water delivery pipe II (17) and a large-scale water tank; the water injection pipe (15) is arranged on the side wall of the second plugging plate (3), a water valve (24) is arranged on a pipeline of the water injection pipe (15), and a liquid inlet end of the water injection pipe (15) is communicated with the large-sized water tank through a second water delivery pipe (17) provided with a water pump (16).
3. A water supply line hydrostatic test unit according to claim 2, wherein: the second water delivery pipe (17) is arranged as a fire hose, the second water delivery pipe (17) is thicker than the water delivery hose (11) and the first water delivery pipe (13), and the water delivery hose (11) is thinner than the first water delivery pipe (13).
4. A water supply line hydrostatic test unit according to claim 1, wherein: the pressure measuring piece (6) comprises a branch pipe (18) and a pressure gauge (19); one end of the branch pipe (18) is communicated with the inner cavity of the second blocking plate (3), and the other end of the branch pipe (18) is provided with a pressure gauge (19).
5. A water supply line hydrostatic test unit according to claim 4, wherein: and the pipelines of the branch pipe (18), the air outlet pipe (7) and the water outlet pipe (10) are respectively provided with a flowmeter (20).
6. A water supply line hydrostatic test unit according to claim 2, wherein: a flowmeter (20) is arranged on the pipeline of the water injection pipe (15).
7. A water supply line hydrostatic test unit according to claim 1, wherein: one end of the first blocking plate (3) and one end of the second blocking plate (2) are respectively connected with two ends of the water supply pipe (1) through connecting flanges, a plurality of first stiffening plates (21) which are distributed in a 90-degree cross mode are respectively arranged in the front grooves of the first blocking plate (2) and the second blocking plate (3), and a plurality of second stiffening plates (22) which are distributed in a 45-degree cross mode are respectively arranged in the rear grooves of the first blocking plate (2) and the second blocking plate (3).
8. A water supply line hydrostatic test unit according to claim 7, wherein: the thickness of the stiffening plates I (21) and II (22) is 20mm, the interval between the adjacent stiffening plates I (21) is 333.33mm, and the interval between the adjacent stiffening plates II (22) is 333.33mm.
9. A water supply line hydrostatic test unit according to claim 7, wherein: one of the intervals defined by the stiffening plate I (21) is provided with a thermometer (23), the probe end of the thermometer (23) extends to the back of the stiffening plate I (21) and is communicated with the inner cavity of the water supply pipe (1), and the display end of the thermometer (23) is positioned in the interval of the stiffening plate I (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318144.2U CN219737122U (en) | 2023-05-29 | 2023-05-29 | Water supply pipeline hydrostatic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318144.2U CN219737122U (en) | 2023-05-29 | 2023-05-29 | Water supply pipeline hydrostatic test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737122U true CN219737122U (en) | 2023-09-22 |
Family
ID=88055191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321318144.2U Active CN219737122U (en) | 2023-05-29 | 2023-05-29 | Water supply pipeline hydrostatic test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737122U (en) |
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2023
- 2023-05-29 CN CN202321318144.2U patent/CN219737122U/en active Active
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