CN212110570U

CN212110570U - Safety valve detection device

Info

Publication number: CN212110570U
Application number: CN202020634383.9U
Authority: CN
Inventors: 屠赛飞; 周苗森; 茅金祥
Original assignee: Shaoxing Shangyu Kaidi Precision Co ltd
Current assignee: Shaoxing Shangyu Kaidi Precision Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-08
Anticipated expiration: 2030-04-23

Abstract

The utility model provides a relief valve detection device belongs to the check out test set field. The water storage device is provided with a water feeding pipeline and a water outlet pipeline, a water pressure adjusting device is arranged on the water outlet pipeline, the test board comprises a water tank and a placing groove, a water tank is arranged at the bottom of the test board, a water collecting cavity is arranged in the water tank and is communicated with the water tank through a connecting pipeline, a backflow port is arranged on the water tank and is communicated with the water storage device through the backflow pipeline, a filtering device is arranged at the backflow port, a cleaning device is arranged in the water collecting cavity and is provided with a first driving device for driving the cleaning device to rotate, the filtering device is provided with a second driving device for driving the filtering device to operate, the filtering device comprises a filtering screen plate for filtering impurities, when the cleaning device rotates, the outermost end of the filtering device sweeps over the surface of the filtering screen plate, and the filtering device and the cleaning device are not interfered with. The utility model has the advantages of water saving and the like.

Description

Safety valve detection device

Technical Field

The utility model belongs to the check out test set field, in particular to relief valve detection device.

Background

The safety valve is a starting and closing part and is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. The safety valve must be pressure tested before it can be used.

The safety valve for hot water system has its performance tested by controlling water inlet pressure, for example, KDAQ safety valve, and has the test method including opening pressure test, connecting the safety valve to water pipe, regulating water inlet pressure, opening valve port under 0.3-0.325MPa and flowing water. And then closing the pressure test, and slowly reducing the water inlet pressure of the safety valve until the valve port is completely closed and no water is discharged, wherein the pressure is greater than 0.285 Mpa.

When testing, need use water, the water after the current will test is directly discharged away, no longer carries out recycle to water, very water waste resource.

Disclosure of Invention

The utility model aims at providing a relief valve detection device of water economy resource to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a safety valve detection device comprises a water storage device and a test board, wherein the water storage device is provided with a water feeding pipeline and a water outlet pipeline which are used for feeding water into the water storage device, the water outlet pipeline is provided with a water pressure adjusting device used for adjusting water outlet pressure, the test board comprises a water tank and a placing groove used for placing an unmeasured safety valve, the bottom of the test board is provided with a water tank, a water collecting cavity is arranged in the water tank, the water collecting cavity is communicated with the water tank through a connecting pipeline, the water tank is provided with a backflow port, the backflow port is communicated with the water storage device through a backflow pipeline, the backflow port is provided with a filtering device, a cleaning device is arranged in the water collecting cavity, the cleaning device is provided with a first driving device which drives the cleaning device to rotate, and the filtering device is provided with a second driving device which drives the filtering device to, the filtering device comprises a filtering screen plate for filtering impurities, when the cleaning device rotates, the outermost end of the filtering device sweeps across the surface of the filtering screen plate, and the filtering device and the cleaning device do not interfere with each other.

The utility model discloses a theory of operation: the utility model discloses the during operation, water is from adding in the water storage device in the water pipe way, and store in water storage device, the water in the water storage device flows from outlet conduit, adjust out water pressure with water pressure adjusting device, outlet conduit's delivery port and the relief valve connection that awaits measuring, the water pressure that adjusts outlet conduit through water pressure adjusting device detects the performance of relief valve (adjusting the pressure of intaking of relief valve promptly), the water that flows in from the relief valve flows into the basin, then in rethread connecting tube flows into the water tank. The water in the water tank flows back to the water storage device through the return pipeline, so that the water can be recycled. The utility model discloses a set up water tank and backflow pipeline, to water reuse, the water economy resource. The filtering device is used for filtering impurities in water, and the cleaning device is used for preventing the filter screen plate from being blocked.

In the safety valve detection device, the cleaning device includes a rotating shaft and five cleaning plates connected end to end and disposed outside the rotating shaft, the first driving device drives the rotating shaft to rotate, and two sides of the cleaning plates are fixedly connected with the rotating shaft through the first side plates. The cleaning plate rotates to clean the filtering device.

In the safety valve detection device, a brush for brushing off impurities is arranged on the outermost side of the cleaning plate. The brush is used for brushing down the brush accumulated on the filter screen plate to prevent impurities from blocking the filter screen plate.

In the safety valve detection device, the filtering device further comprises a rotating shaft, the second driving device drives the rotating shaft to rotate, the number of the filtering screen plates is 5, the filtering screen plates are connected end to end, and two sides of each filtering screen plate are fixedly connected with the rotating shaft through the second side plate. 5 filter screen boards can all play the filtering action, and filtration efficiency is high.

In the safety valve detection device, the second side plate includes a bottom plate and a top plate, an opening communicated with the return port is formed in the top plate, and the opening is used for discharging water in the filter device to the return port and flowing out. The water enters the filtering device after being filtered by the filtering screen plate, and then the water in the filtering device directly passes through the opening and is discharged from the return port.

In the safety valve detection device, the cross sections of the filter screen plate and the cleaning plate are both arc-shaped. The purpose is in order to make filter plate and clearance board during operation, mutual noninterference.

In the safety valve detection device, a lighting device for lighting the test bench is arranged outside the water storage device. The lighting device is intended to facilitate operation by an operator at night, or on such dim, cloudy days.

In the safety valve detection device, a water outlet of the water outlet pipeline is connected with a water outlet hose, and a water outlet of the water outlet hose is connected with a connecting piece for connecting with a water inlet of the safety valve. The water outlet hose is convenient for workers to operate, and the connecting piece is used for being connected with the water inlet of the safety valve.

In the safety valve detection device, an inclined drainage plate is arranged at the bottom of the water tank, a drainage pipeline is arranged at the lower end of the drainage plate, the drainage pipeline is arranged in an inclined manner, and a drainage port communicated with the connecting pipeline is arranged at the lower end of the drainage pipeline. The purpose is for the convenient water in the basin flows into the connecting tube, prevents that water from piling up in the basin.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses a set up water tank and backflow pipeline, to water reuse, the water economy resource.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the filtering device and the cleaning device of the present invention;

FIG. 3 is a schematic view of the inside structure of the water tank of the present invention;

FIG. 4 is a schematic view of the brush of the present invention;

FIG. 5 is a schematic view of the structure of the bottom of the water tank of the present invention;

FIG. 6 is a schematic structural view of the side of the drainage plate of the present invention.

In the figure, 1, a water storage device; 2. a test bench; 3. a water feeding pipeline; 4. a water outlet pipeline; 5. a water pressure adjusting device; 6. a placement groove; 7. a water tank; 8. a water collection cavity; 9. connecting a pipeline; 10. a return port; 11. a return line; 12. a filtration device; 13. a cleaning device; 14. a first driving device; 15. a second driving device; 16. a filter screen plate; 17. a rotating shaft; 18. cleaning the plate; 19. a brush; 20. a rotating shaft; 22. a second side plate; 23. a base plate; 24. a top plate; 25. an opening; 26. an illumination device; 27. a water outlet hose; 28. a connecting member; 29. a drainage plate; 30. a drainage conduit; 31. a drainage opening; 32. a water tank; 33. a first side plate.

Detailed Description

The following are specific embodiments of the present invention and are made by combining the drawings

Further, the present invention is not limited to these examples.

As shown in fig. 1-6, a safety valve detection device, including water storage device 1 and test bench 2, water storage device 1 is provided with and is used for adding water pipeline 3 and outlet conduit 4 toward water storage device 1 in, be provided with the water pressure adjusting device 5 that is used for adjusting water outlet pressure on the outlet conduit 4, test bench 2 includes basin 32 and the standing groove 6 that is used for placing the unmeasured safety valve, the bottom of test bench 2 is provided with water tank 7, be provided with water-collecting chamber 8 in the water tank 7, water-collecting chamber 8 is through connecting tube 9 and basin 32 intercommunication, water tank 7 is provided with backward flow mouth 10, backward flow mouth 10 is through backflow pipeline 11 and water storage device 1 intercommunication. The return opening 10 is provided with a filtering device 12, a cleaning device 13 is arranged in the water collecting cavity 8, the cleaning device 13 is provided with a first driving device 14 for driving the cleaning device 13 to rotate, the filtering device 12 is provided with a second driving device 15 for driving the filtering device 12 to operate, the filtering device 12 comprises a filtering screen plate 16 for filtering impurities, when the cleaning device 13 rotates, the outermost end of the filtering device 12 sweeps across the surface of the filtering screen plate 16, and the filtering device 12 and the cleaning device 13 are not interfered with each other. The cleaning device 13 comprises a rotating shaft 17 and five cleaning plates 18 which are arranged end to end outside the rotating shaft 17, the rotating shaft 17 is driven to rotate by a first driving device 14, and two sides of the cleaning plates 18 are fixedly connected with the rotating shaft 17 through first side plates 33. The outermost side of the cleaning plate 18 is provided with a brush 19 for brushing off foreign substances. The filtering device 12 further comprises a rotating shaft 20, the second driving device 15 drives the rotating shaft 20 to rotate, the number of the filtering screen plates 16 is 5, the filtering screen plates 16 are connected end to end, and two sides of the filtering screen plates 16 are fixedly connected with the rotating shaft 20 through second side plates 22. The second side plate 22 includes a bottom plate 23 and a top plate 24, the top plate 24 is opened with an opening 25 communicating with the return port 10, and the opening 25 is used for discharging water inside the filter device 12 to the return port 10. The cross sections of the filter screen plate 16 and the cleaning plate 18 are both arc-shaped. The water storage device 1 is externally provided with an illumination device 26 for illuminating the test bench 2. The water outlet of the water outlet pipeline 4 is connected with a water outlet hose 27, and the water outlet of the water outlet hose 27 is connected with a connecting piece 28 used for being connected with the water inlet of the safety valve. The bottom of the water tank 32 is provided with an inclined drainage plate 29, the lower end of the drainage plate 29 is provided with a drainage pipeline 30, the drainage pipeline 30 is arranged in an inclined mode, and the bottom end of the drainage pipeline 30 is provided with a drainage port 31 communicated with the connecting pipeline 9.

The utility model discloses the during operation, water from adding water pipe 3 in add water storage device 1 to store in water storage device 1, water in the water storage device 1 flows out from outlet conduit 4, can be provided with the water pump that the drive water flows on the outlet conduit 4, be provided with water pressure adjusting device 5 on the outlet conduit 4, water pressure adjusting device 5 is used for adjusting out water pressure, water pressure adjusting device 5 belongs to prior art, including water pressure regulating valve etc.. The water outlet of the water outlet pipeline 4 is connected with a water outlet hose 27, and the water outlet of the water outlet hose 27 is connected with a connecting piece 28.

Among the prior art, the delivery port lug connection of outlet conduit 4 is used always the relief valve that awaits measuring, because outlet conduit 4 adopts stainless steel metal pipeline to make, operating personnel is when the operation, operates inconveniently, because outlet conduit 4 can not remove at will, and operating personnel can only operate with fixed posture, and the time of a specified duration later can feel tired out. And the utility model discloses a convenient operation has connected out water hose 27 at outlet pipe 4's delivery port, and operating personnel can hold the relief valve that awaits measuring in one hand, and connecting piece 28 on water hose 27 is being held in one hand, and the relief valve that will await measuring is connected to on the connecting piece 28, and play water hose 27 can be arbitrary crooked, and operating personnel can adjust comfortable posture and operate, can also change the posture after the time has been of a specified duration. The operation of the operators is facilitated, and the working efficiency is improved.

Different types of safety valves can adopt different connecting pieces 28, for example, a safety valve with the type KDAQ-212 is taken as an example, the water inlet of the safety valve is provided with external threads, so that the connecting pieces 28 can be connected with the water inlet of the safety valve through connecting sleeves with internal threads for testing.

An operator can directly operate the water tank 32, the discharged water directly flows into the connecting pipeline 9 through the drainage plate 29 and the drainage pipeline 30, the drainage plate 29 is obliquely arranged, the lower end of the drainage plate is provided with the inclined drainage pipeline 30, the drainage pipeline 30 is obliquely arranged, and the lower end of the drainage pipeline 30 is provided with a drainage port 31 communicated with the connecting pipeline 9. The purpose is to prevent water from accumulating in the water tank 32 by facilitating the flow of water in the water tank 32 into the connection pipe 9. After flowing into the connecting pipeline 9, the water enters the water collecting cavity 8 in the water tank 7, then flows out from the return port 10 after being filtered by the filtering device 12, and flows back to the water storage device 1 through the return pipeline 11, and the return pipeline 11 can be provided with a water pump for driving the water to flow.

The lighting device 26 is intended to facilitate operation by an operator at night, or on a dim, cloudy day. The illumination device 26 may be a fluorescent lamp.

Standing groove 6 is used for placing the not safety valve of surveying, and after the test of a current safety valve finishes, operating personnel can place the safety valve that the test finishes in the collection basket on one side, then takes new safety valve that awaits measuring from standing groove 6.

Because the relief valve that just produces can have a lot of metal fines, because there is polishing in the in-process of production relief valve, the technology of punching, therefore during the test, it polishes to adhere to on the relief valve many, the metal fines of punching formation can be washed away by rivers, in addition some other dust impurity all can flow into the chamber 8 that catchments, because the hosepipe that flows into in the chamber 8 that catchments has a lot of granule impurity, if not through filtering, direct cyclic utilization, long-time back, the granule impurity in aquatic is more and more, long-time back, block up the pipeline easily, consequently set up filter 12 in the chamber 8 that catchments, in order to prevent that filter 12 from blockking up, cleaning device 13 has been designed.

The specific working principle is as follows: the second driving device 15 drives the rotating shaft 20 to rotate, the filter screen plate 16 is fixedly connected with the rotating shaft 20 through the second side plate 22, so that the filter screen plate 16 rotates along with the rotating shaft 20, a chamber is formed between the filter screen plate 16 and the second side plate 22, water outside the filter device 12 enters the chamber through the filter screen plate 16, particulate impurities are blocked outside the filter device 12 by the filter screen plate 16, and the filtered water flows to the return pipeline 11 from the return port 10 through the opening 25 in the top plate 24 and flows back to the water storage device 1 through the return pipeline 11. The opening 25 and the return port 10 are provided with a rotary seal structure, and water outside the filter device 12 cannot flow in through the opening 25. The return opening 10 is smaller than the opening 25, and the inner wall of the water tank 7 around the return opening 10 is connected to the wall surface of the top plate 24 around the opening 25 by a rotary seal structure. Since the water tank 7 does not rotate when the filter device 12 rotates, water outside the filter device 12 cannot flow into the opening 25 or directly out of the return opening 10 without being filtered. Rotatory seal structure that moves belongs to prior art, the utility model discloses do not do and describe repeatedly. I.e. to ensure tightness during rotation.

The first driving device 14 drives the rotating shaft 17 to rotate, the two sides of the cleaning plate 18 are fixedly connected with the rotating shaft 17 through the first side plate 33, so that the cleaning plate 18 rotates along with the rotating shaft 17, the outermost side of the cleaning plate 18 is provided with the brush 19, the brush 19 rotates along with the cleaning plate 18, the brush 19 sweeps the surface of the filter screen plate 16, and in the rotating process of the cleaning plate 18, the brush 19 sweeps away the particle impurities accumulated on the filter screen plate 16 to prevent the filter screen plate 16 from being blocked.

The number of the filter screen plates 16 is also 5, and the filter screen plates 16 are driven to rotate by the second driving device 15, so that the five filter screen plates 16 can be cleaned, and the filter screen plates 16 are prevented from being blocked.

The cross sections of the filter screen plate 16 and the cleaning plate 18 are both arc-shaped. The first drive means 14 and the second drive means 15 can be activated simultaneously, without the filter means 12 and the cleaning means 13 interfering with each other. The brushes 19 on the cleaning plate 18 prevent particulate impurities from accumulating on the filter screen plate 16 while the filter screen plate 16 filters water.

The utility model discloses can filter the used water that detects, reuse plays the effect of water economy resource.

The water tank 7 can function as a door that can be opened or closed, provided with an opening or closing door, so that the inside of the water tank 7 can be cleaned or the filter device 12, the cleaning device 13, and the like can be repaired. The door is not the innovation point of the utility model, and the description is omitted here.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A safety valve detection device is characterized by comprising a water storage device (1) and a test bench (2), the water storage device (1) is provided with a water adding pipeline (3) and a water outlet pipeline (4) which are used for adding water into the water storage device (1), a water pressure adjusting device (5) for adjusting the water outlet pressure is arranged on the water outlet pipeline (4), the test bench (2) comprises a water tank (32) and a placing tank (6) for placing the untested safety valve, a water tank (7) is arranged at the bottom of the test bench (2), a water collecting cavity (8) is arranged in the water tank (7), the water collecting cavity (8) is communicated with the water tank (32) through a connecting pipeline (9), the water tank (7) is provided with a return port (10), and the return port (10) is communicated with the water storage device (1) through a return pipeline (11); the utility model discloses a filter equipment, including filter equipment (12), return current mouth (10), water collection chamber (8) in be provided with cleaning device (13), cleaning device (13) be provided with drive cleaning device (13) rotatory first drive arrangement (14), filter equipment (12) be provided with drive filter equipment (12) operation second drive arrangement (15), filter equipment (12) including filter screen board (16) of filtering impurity, work as cleaning device (13) when rotatory, filter equipment (12) the outermost end follow the surface of filter screen board (16) is swept, just filter equipment (12) and cleaning device (13) mutually noninterfere.

2. The safety valve detecting device according to claim 1, wherein the cleaning device (13) comprises a rotating shaft (17) and five cleaning plates (18) connected end to end outside the rotating shaft (17), the first driving device (14) drives the rotating shaft (17) to rotate, and two sides of the cleaning plates (18) are fixedly connected with the rotating shaft (17) through first side plates (33).

3. The safety valve detecting device according to claim 2, wherein a brush (19) for brushing off foreign substances is provided at an outermost side of the cleaning plate (18).

4. The safety valve detection device according to claim 1, wherein the filter device (12) further comprises a rotating shaft (20), the second driving device (15) drives the rotating shaft (20) to rotate, the number of the filter screen plates (16) is 5, the filter screen plates (16) are connected end to end, and two sides of the filter screen plates (16) are fixedly connected with the rotating shaft (20) through second side plates (22).

5. The safety valve detection device according to claim 4, wherein the second side plate (22) comprises a bottom plate (23) and a top plate (24), the top plate (24) is provided with an opening (25) communicated with the return port (10), and the opening (25) is used for discharging water in the filter device (12) to the return port (10) for flowing out.

6. The safety valve testing device of claim 1, wherein the cross-sections of the filter screen plate (16) and the cleaning plate (18) are both arc-shaped.

7. The safety valve inspection device according to claim 1, wherein a lighting device (26) for illuminating the test stand (2) is arranged outside the water storage device (1).

8. The safety valve detection device according to claim 1, wherein a water outlet hose (27) is connected to a water outlet of the water outlet pipeline (4), and a connecting piece (28) for connecting with a water inlet of the safety valve is connected to a water outlet of the water outlet hose (27).

9. The safety valve detecting device according to claim 1, wherein an inclined drainage plate (29) is arranged at the bottom of the water tank (32), a drainage pipeline (30) is arranged at the lower end of the drainage plate (29), the drainage pipeline (30) is arranged in an inclined manner, and a drainage port (31) communicated with the connecting pipeline (9) is arranged at the lower end of the drainage pipeline (30).