CN214309354U - Be applicable to unmanned on duty pipeline test device that closes water - Google Patents
Be applicable to unmanned on duty pipeline test device that closes water Download PDFInfo
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- CN214309354U CN214309354U CN202120437555.8U CN202120437555U CN214309354U CN 214309354 U CN214309354 U CN 214309354U CN 202120437555 U CN202120437555 U CN 202120437555U CN 214309354 U CN214309354 U CN 214309354U
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Abstract
The utility model provides a be applicable to unmanned on duty pipeline test device that closes water, the pressure relief valve comprises a water inlet pipe, the water pump is connected to the one end of inlet tube, the other end of inlet tube is equipped with the flowmeter, the flowmeter with be equipped with the relief pressure valve between the inlet tube, the flowmeter is connected with the outlet pipe, install water level sensing device on the outlet pipe. This device simple structure, installation and disassemble the convenience, can have enough to meet the need the use many times, when closing the water test, do not need personnel on duty, can keep the water level automatically to automatic record data has satisfied each experimental condition of pipeline closing the water test.
Description
Technical Field
The utility model relates to a pipeline closes water test technical field, concretely relates to be applicable to unmanned on duty pipeline and close water test device.
Background
With the continuous development of social economy, the pace of modern construction of cities is gradually accelerated, the municipal pipe network which is indispensable in urban public facility construction engineering plays an important role in the normal operation of the cities and is closely connected with the daily life of people, and the pipeline functional test which is used as the last process for checking pipeline engineering is mostly manual operation and recording, so that the automation degree is low, not only accumulated errors are easily caused, but also the labor cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an unmanned on duty pipeline closes water test device can keep experimental water level automatically to automatic recording adds the water yield and the filling time.
The utility model provides a be applicable to unmanned on duty pipeline test device that closes water, the pressure relief valve comprises a water inlet pipe, the water pump is connected to the one end of inlet tube, the other end of inlet tube is equipped with the flowmeter, the flowmeter with be equipped with the relief pressure valve between the inlet tube, the flowmeter is connected with the outlet pipe, fixed mounting has water level sensing device on the outlet pipe.
Furthermore, the water level sensor comprises a floating ball liquid level switch, one side of the floating ball liquid level switch is connected with a sleeve, and the sleeve is fixedly sleeved on the water outlet pipe.
Furthermore, a ball is arranged inside the floating ball liquid level switch, a relay is arranged on one side of the ball, and a connecting rod is arranged between the ball and the relay.
Further, the water inlet pipe is arranged above the pipeline to be detected, and the water outlet pipe is arranged inside the pipeline to be detected.
Further, the flowmeter is connected with a flow recorder.
Furthermore, the floating ball liquid level switch is connected with a water level control device, and the water level control device is respectively connected with the water pump and the flow recorder.
Further, the flow recorder and the water level control device are both placed above the pipeline to be measured.
Further, the water outlet of the water outlet pipe is far away from the liquid level.
Further, a pipe orifice of the detected pipe is provided with a pipe plugging device.
Further, one end the pipeline plugging device with be equipped with the blast pipe between the pipeline, the blast pipe sets up the top of pipeline plugging device.
The utility model has simple structure and convenient assembly and disassembly, can be used repeatedly, and ensures the service life of the pipeline and the safety of the building; the water level controller can ensure that the test water level is constant and water is supplemented when the test water level is lower than the test water level; the flowmeter and the flow recorder together complete the work of time, flow and accumulated filling amount, and when a water closing test is carried out, the water quantity of the pipeline is monitored, and the water is automatically filled and the time and the water quantity are recorded; the water outlet is arranged at a position far away from the liquid level, so that the water outlet is ensured to be at a certain depth below the test water level or the direction of the water outlet is changed, and the influence of the water surface shaking on the water level controller is reduced; the utility model is suitable for an unmanned on duty's behavior can automatic record data, the construction cost that significantly reduces, and resources are saved has satisfied each experimental condition of pipeline shut-off water test.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the test water level of the present invention;
FIG. 3 is a schematic view of the operation of the present invention when the water level is lowered;
FIG. 4 is an internal structure view of the float level switch of the present invention when it is at rest;
FIG. 5 is an internal structure view of the float level switch of the present invention when it descends;
FIG. 6 is an internal structure view of the water outlet pipe of the present invention when it is connected to the pipeline;
description of reference numerals:
in the figure: 1-water inlet pipe, 2-pressure reducing valve, 3-electromagnetic flowmeter, 4-floating ball liquid level switch, 5-water outlet pipe, 6-water level controller, 7-flow recorder, 8-water pump, 9-lead, 10-test water level, 11-inspection well, 12-pipeline, 13-exhaust pipe, 14-first water plugging air bag, 15-second water plugging air bag, 16-connecting rod, 17-ball, 18-relay, 19-key switch and 20-electronic liquid level switch;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1, 2, 3, 4 and 5:
the utility model provides a be applicable to unmanned on duty pipeline test device that closes water, includes inlet tube 1, inlet tube 1 carries pressure water source to inspection shaft 11 in, inlet tube 1 adopts hard pipe, can assemble by multisection pipe and form, and the diameter of inlet tube 1 suits with the water yield that adds, and the right-hand member of inlet tube 1 is connected with water pump 8, and water pump 8 provides the pressure water source for whole experiment, and the left end of inlet tube 1 is buckled 90 degrees downwards, and the below of inlet tube 1 is equipped with relief pressure valve 2.
The pressure reducing valve 2 is communicated with a left side pipe orifice of the water inlet pipe 1, the pressure reducing valve 2 ensures that the pressure of water flow passing through the device is constant, the influence of pressure change on the device is reduced, the electromagnetic flowmeter 3 is connected below the pressure reducing valve 2, the water outlet pipe 5 is connected below the electromagnetic flowmeter 3, the electromagnetic flowmeter 3 is connected with the flow recorder 7 through the lead 9, the electromagnetic flowmeter 3 and the flow recorder 7 jointly complete the work of time, flow and accumulated injection amount in a test, and the electromagnetic flowmeter 3 can be replaced by an ultrasonic flowmeter, a pore plate flowmeter and other flowmeters suitable for the test precision.
As shown in fig. 4, a ball 17 is arranged inside the float level switch 4, a track is arranged below the ball 17, the track is formed by connecting two circular grooves, the ball 17 can roll in the two circular grooves, a relay 18 is arranged on the right side of the ball 17, a key switch 19 is arranged on the relay 18, a connecting rod 16 is arranged between the ball 17 and the relay 18, the connecting rod is fixed on a bottom shell of the float level switch, the connecting rod 16 can horizontally rotate, the left end of the connecting rod 16 is in contact with the ball 17, and the right end of the connecting rod 16 is in contact with the key switch 19.
Through the change of the upper and lower positions of the floating ball liquid level switch 4, the ball 17 in the floating ball liquid level switch 4 rolls in the circular groove. When the water level descends, the floating ball liquid level switch 4 descends by gravity, the ball 17 rolls into the left circular groove from the initial position of the right circular groove, the ball 17 can toggle the left end of the connecting rod 16, the connecting rod 16 rotates, the right end of the connecting rod 16 is in contact with the key switch 19 and can press the key switch 19, at the moment, the relay 18 sends a water level signal to the water level controller 6, the water level controller 6 is connected with the water pump 8 through a wire, and the water pump 8 is controlled by the water level controller 6 to fill a pressure water source.
The float ball liquid level switch 4 can also be replaced by an electronic liquid level switch 20, the electronic liquid level switch 20 has the working principle that a built-in electronic probe is used for detecting the water level, then a chip is used for processing detected signals, when water is judged, the chip outputs high level 24V or 5V and the like, and when no water is judged, the chip outputs 0V. The signals of high and low levels are read by a PLC or other control circuit boards, and drive water pumps and other electrical appliances to work, when the water level reaches a limited water level, the water level acts, and the precision is high.
The water outlet of the water outlet pipe 5 is close to the bottom of the inspection well 11 and is far away from the liquid level, so that the water outlet is far away from the floating ball liquid level switch 4, the water outlet is guaranteed to have a certain depth below the test water level or the direction of the water outlet is changed, the influence of the water surface shaking on the floating ball liquid level switch 4 is reduced, and the test data are more accurate.
Inlet tube 1, water level controller 6 and flow recorder all set up in 11 outsides of inspection shaft, outlet pipe 5 places the inside at inspection shaft 11, inspection shaft 11 and pipeline 12 intercommunication, the side of inspection shaft 11 is equipped with the through-hole, the inside first stifled gasbag 14 that is equipped with of through-hole, be equipped with second stifled gasbag 15 in the right side mouth of pipe of pipeline 12, be equipped with the blast pipe 13 that is used for exhaust gas between second stifled gasbag 15 and the pipeline 12, blast pipe 13 is located the top of second stifled gasbag 15, when injecting water in to inspection shaft 11 and pipeline 12, gas in inspection shaft 11 and the pipeline 12 can be followed blast pipe 13 and discharged.
The water-blocking air bag is made of reinforced natural rubber, and is expanded by an inflation method, when the gas pressure in the water-blocking air bag meets the specified requirements, the water-blocking air bag fills the whole through hole or the section of the pipeline 12, and water leakage is blocked by utilizing the friction force generated by the wall of the water-blocking air bag and the through hole or the pipeline 12, so that the aim of no water seepage in the target pipeline section is fulfilled.
When the utility model is used in concrete, the first water plugging air bag 14 is firstly placed in the through hole on the left side of the inspection well 11, and the first water plugging air bag 14 is inflated, so that the first water plugging air bag 14 is closely matched with the through hole; and then the second water plugging air bag 15 is placed in the pipe orifice at the right end of the pipeline 12, the exhaust pipe 13 is placed at the top of the second water plugging air bag 15, the exhaust port of the exhaust pipe 13 is communicated with the pipeline 12, and at this time, the bottom of the inspection well 11 and the pipeline 12 are closed.
Inside outlet pipe 5 placed at inspection shaft 11, inlet tube 1 and the laminating of the top of inspection shaft 11, water level controller 6 and flow recorder 7 place in the outside of inspection shaft 11, and the sleeve pipe cup joints to be fixed on outlet pipe 5, and sheathed tube height is the same with the height of experimental water level 10, and the sleeve pipe passes through the cable to be connected with float level switch 4, because 11 inside no water of inspection shaft, the sleeve pipe is fixed on outlet pipe 5.
As shown in figure 4, the floating ball liquid level switch 4 is descended by gravity, the ball 17 in the floating ball liquid level switch 4 rolls into the left circular groove from the initial position of the right circular groove, the ball 17 can toggle the left end of the connecting rod 16, the connecting rod 16 rotates, the right end of the connecting rod 16 is contacted with the key switch 19 and can press the key switch 19, at this time, the relay 18 sends a water level signal to the water level controller 6, the water level controller 6 is connected with the water pump 8 through a lead, and the water pump 8 is controlled by the water level controller 6 to fill a pressure water source.
As shown in fig. 3, a water pump 8 fills a pressure water source into an inspection well 11 and a pipeline 12, water flows from the water pump 8 through a water inlet pipe 1 and flows into a pressure reducing valve 2, the pressure reducing valve 2 reduces the pressure of the water, the pressure of the water flowing through an electromagnetic flowmeter 3 is ensured to be constant, the influence of pressure change on the electromagnetic flowmeter 3 is reduced, then the water flows through the electromagnetic flowmeter 3, the electromagnetic flowmeter 3 sends a data signal of the water to a flow recorder 7, the electromagnetic flowmeter 3 and the flow recorder 7 record the filling time, the flow and the filling amount of the water, and the water flows through a water outlet pipe 5 and reaches the inspection well 11 and the pipeline 12.
Until the floating ball liquid level switch 4 reaches the height of the test water level, the floating ball liquid level switch 4 is in a horizontal state, the floating ball liquid level switch 4 stops sending signals to the water level controller 6, the water level controller 6 controls the water pump 8 to stop filling, and the water in the inspection well 11 and the pipeline 12 reaches the test water level.
As shown in fig. 5, when the water level reaches the test water level, the float level switch 4 is in a horizontal state, the ball 17 in the float level switch 4 rolls from the left circular groove to the right circular groove, the push switch 19 on the relay 18 pops up to push the right end of the connecting rod 16, the connecting rod 16 rotates, the left end of the connecting rod 16 is not pushed by the ball 17 and is separated from the ball 17, the relay 18 stops sending a signal to the water level control device 6, and the water pump 8 stops filling.
Example 2:
the present embodiment is the same as embodiment 1 except that the water outlet pipe 5 is directly connected to the pipeline 12, and the water level sensing device is an electronic liquid level switch 20.
As shown in fig. 6, water shutoff airbags are arranged inside pipe orifices at the left end and the right end of a pipeline 12, a water outlet pipe 5 is arranged between a first water shutoff airbag 14 at the left side and the pipe wall of the pipeline 12, the water outlet pipe 5 is directly connected into the pipeline 12, the water outlet is also far away from the liquid level and is close to the bottom of the pipeline 12, an electronic liquid level switch 20 is fixed on the water outlet pipe 5, and the electronic liquid level switch 20 is fixed and cannot move up and down along with the liquid level; an exhaust pipe 13 is arranged between the second water plugging air bag 15 on the right side and the pipe wall of the pipeline 12.
When the electronic probe of the electronic liquid level switch 20 senses that no water exists, a signal is sent to the water level control device 6 through an internal chip of the electronic liquid level switch 20, and the water level control device 6 controls the water pump 8 to fill the pipeline 12; when the electronic probe of the electronic liquid level switch 20 senses water, the electronic liquid level switch 20 sends a signal to the water level control device 6 through the internal chip, the water level control device 6 controls the water pump 8 to stop working, and the liquid level in the pipeline 12 stops rising.
In the water closing test process, when the test water level is lowered, the floating ball liquid level switch 4 is lowered or the electronic probe of the electronic liquid level switch 20 detects no water, the floating ball liquid level switch 4 or the electronic liquid level switch 20 sends a water level lowering signal to the water level controller 6, the water level controller 6 controls the water pump 8 to fill water into the inspection well 11 and the pipeline 12 through the guide line, the water flows through the electromagnetic flowmeter 3, the electromagnetic flowmeter 3 and the flow recorder 7 record and store the filling time, the filling flow and the accumulated filling amount, and therefore under the unattended condition, the device automatically replenishes water and records to complete the water closing test.
The utility model has simple structure and convenient assembly and disassembly, can be used repeatedly, and ensures the service life of the pipeline and the safety of the building; the water level controller can ensure that the test water level is constant and water is supplemented when the test water level is lower than the test water level; the flowmeter and the flow recorder together complete the work of time, flow and accumulated filling amount, and when a water closing test is carried out, the water quantity of the pipeline is monitored, and the water is automatically filled and the time and the water quantity are recorded; the water outlet is arranged at a position far away from the liquid level, so that the water outlet is ensured to be at a certain depth below the test water level or the direction of the water outlet is changed, and the influence of the water surface shaking on the water level controller is reduced; the utility model is suitable for an unmanned on duty's behavior can automatic record data, the construction cost that significantly reduces, and resources are saved has satisfied each experimental condition of pipeline shut-off water test.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a be applicable to unmanned on duty pipeline test device that closes water which characterized in that: the water pump is connected to the one end of inlet tube, the other end of inlet tube is equipped with the flowmeter, the flowmeter with be equipped with the relief pressure valve between the inlet tube, the flowmeter is connected with the outlet pipe, fixed mounting has water level sensing device on the outlet pipe.
2. The device for the unattended pipeline water shut-off test according to claim 1, wherein: the water level sensing device comprises a floating ball liquid level switch, one side of the floating ball liquid level switch is connected with a sleeve, and the sleeve is fixedly sleeved on the water outlet pipe.
3. The device for the unattended pipeline water shut-off test according to claim 2, wherein: the ball is arranged in the floating ball liquid level switch, a relay is arranged on one side of the ball, and a connecting rod is arranged between the ball and the relay.
4. The device for the unattended pipeline water shut-off test according to claim 2, wherein: the water inlet pipe is arranged above the pipeline to be detected, and the water outlet pipe is arranged inside the pipeline to be detected.
5. The device for the unattended pipeline water shut-off test according to claim 4, wherein: the flowmeter is connected with a flow recorder.
6. The device for the unattended pipeline water shut-off test according to claim 5, wherein: the floating ball liquid level switch is connected with a water level control device, and the water level control device is respectively connected with the water pump and the flow recorder.
7. The device for the unattended pipeline water shut-off test according to claim 6, wherein: the flow recorder and the water level control device are both arranged above the pipeline to be detected.
8. The device for the unattended pipeline water shut-off test according to claim 4, wherein: the water outlet of the water outlet pipe is far away from the liquid level.
9. The device for the unattended pipeline water shut-off test according to claim 4, wherein: and the pipe orifice of the pipeline to be detected is provided with a pipeline plugging device.
10. The device for the unattended pipeline water shut-off test according to claim 9, wherein: one end the pipeline plugging device with be equipped with the blast pipe between the pipeline, the blast pipe sets up the top of pipeline plugging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437555.8U CN214309354U (en) | 2021-03-01 | 2021-03-01 | Be applicable to unmanned on duty pipeline test device that closes water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437555.8U CN214309354U (en) | 2021-03-01 | 2021-03-01 | Be applicable to unmanned on duty pipeline test device that closes water |
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| Publication Number | Publication Date |
|---|---|
| CN214309354U true CN214309354U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120437555.8U Active CN214309354U (en) | 2021-03-01 | 2021-03-01 | Be applicable to unmanned on duty pipeline test device that closes water |
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| Country | Link |
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| CN (1) | CN214309354U (en) |
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2021
- 2021-03-01 CN CN202120437555.8U patent/CN214309354U/en active Active
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