CN213928710U - Plunger pump diaphragm leak detection device and plunger pump provided with same - Google Patents
Plunger pump diaphragm leak detection device and plunger pump provided with same Download PDFInfo
- Publication number
- CN213928710U CN213928710U CN202022716241.XU CN202022716241U CN213928710U CN 213928710 U CN213928710 U CN 213928710U CN 202022716241 U CN202022716241 U CN 202022716241U CN 213928710 U CN213928710 U CN 213928710U
- Authority
- CN
- China
- Prior art keywords
- plunger pump
- leak detection
- pump diaphragm
- joint
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides a plunger pump diaphragm leak hunting device and install device's plunger pump to realize the short-term test of plunger pump diaphragm state. Plunger pump diaphragm leak hunting device includes: the device comprises a gas suction device, a vacuum-pumping pipeline, an electromagnet, a vacuum-pumping check valve, a pressure sensor and a controller. The gas suction device is provided with a suction port; one end of the vacuumizing pipeline is communicated with the suction port, and the other end of the vacuumizing pipeline is provided with an air suction joint; the electromagnet is arranged beside the air extraction joint and is adsorbed on the shell of the plunger pump when being electrified, so that the air extraction joint is hermetically connected on an air extraction interface of the plunger pump; the evacuation one-way valve is arranged on the evacuation pipeline and is opened towards the gas suction device side; the pressure sensor is arranged on the vacuum pumping pipeline between the vacuum pumping one-way valve and the vacuum pumping joint; the controller is respectively and electrically connected with the pressure sensor, the electromagnet and the gas suction device. The utility model discloses can realize managing to find time, pressurize operation automatically plunger pump diaphragm, it is higher to detect the precision.
Description
Technical Field
The utility model relates to a plunger pump check out test set field, concretely relates to plunger pump diaphragm leak hunting device and install device's plunger pump.
Background
The plunger pump belongs to a positive displacement pump, realizes medium conveying by reciprocating motion of a plunger and matching with a pump head inlet and outlet valve group, and has very high discharge pressure and wide application. However, the conventional plunger pump adopts stuffing or oil seal as an auxiliary material, so that the phenomenon of poor sealing or frequent and serious abrasion of the stuffing often occurs, and leakage occurs, and particularly, more serious consequences can be caused for volatile toxic substances. In view of the lack of equipment for rapidly detecting the leakage of the diaphragm of the plunger pump in the prior art, the plunger pump diaphragm leakage detecting device and the plunger pump provided with the device are needed to realize rapid detection of the state of the diaphragm of the plunger pump.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings in the prior art, an object of the present invention is to provide a plunger pump diaphragm leak detection device and a plunger pump with the device, so as to realize quick leak detection of the plunger pump diaphragm.
In order to realize above-mentioned purpose and other relevant purposes, the utility model provides a plunger pump diaphragm leak hunting device, include:
the gas suction device is provided with a suction port;
one end of the vacuumizing pipeline is communicated with the suction port, and the other end of the vacuumizing pipeline is provided with an air suction joint;
the electromagnet is arranged beside the air extraction joint and is adsorbed on the shell of the plunger pump when electrified, so that the air extraction joint is hermetically connected to an air extraction interface of the plunger pump;
an evacuation check valve installed on the evacuation pipe and opened to the gas suction device side;
the pressure sensor is arranged on the vacuum pumping pipeline between the vacuum pumping one-way valve and the vacuum pumping joint;
and the controller is respectively and electrically connected with the pressure sensor, the electromagnet and the gas suction device.
The utility model discloses an in the example, plunger pump diaphragm leak hunting device still includes plunger pump import plugging device, and it seals the shutoff under first drive arrangement's effect on the plunger pump import, controller electric connection in first drive arrangement.
The utility model discloses an in example, plunger pump import plugging device is including the import plugging plate, a drive arrangement drive the sealed shutoff of import plugging plate is in on the import.
In an example of the present invention, the blocking plate is provided with a nitrogen-filled connection joint.
The utility model discloses an in the example, plunger pump diaphragm leak hunting device still includes plunger pump export plugging device, and its sealed shutoff is in the plunger pump export under second drive arrangement's effect, controller electric connection in second drive arrangement.
The utility model discloses an in the example, plunger pump diaphragm leak hunting device still includes and fills the nitrogen plant, the controller with fill the start-stop control system electric connection of nitrogen plant.
In an example of the present invention, the plunger pump diaphragm leak detection device further includes a filter device installed on the evacuation check valve and the evacuation pipe between the gas suction devices.
In an example of the present invention, the air exhaust joint is provided with a sealing ring.
In an example of the present invention, the plunger pump diaphragm leak detection device further includes an alarm device, and the alarm device is connected to the controller.
In an example of the present invention, there is also provided a plunger pump, which is provided with the plunger pump diaphragm leak detection device described in any one of the above.
As above, the utility model discloses plunger pump diaphragm leak hunting device can realize fast that the diaphragm reveals the detection, and leak hunting efficiency increases substantially, and this device easily prepares, with low costs, maintains simply, can realize managing to find time, pressurize the operation automatically to the plunger pump diaphragm, and it is higher to detect the precision.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 diagram of a leak detection device for a diaphragm of a plunger pump according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating the installation of the bleed air connection, the electromagnet and the bleed air connection in one embodiment of the present invention.
Description of the element reference numerals
1 plunger pump
2 plunger pump hydraulic end
3 air extraction interface
4 plunger pump inlet
5 plunger pump outlet
6 air extraction joint
7 electromagnet
8 pressure sensor
9 evacuation check valve
13 Filter device
14 gas suction device
15 inlet plugging plate
16 outlet plugging plate
17 controller
19 evacuation pipeline
22 rigid member
61 sealing ring
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the present invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.
When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any number between the endpoints are optional unless the utility model discloses otherwise. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and are intended to describe the same, and all methods, apparatus and materials similar or equivalent to those described herein may be used in the practice of this invention.
Please refer to fig. 1, the utility model provides a plunger pump diaphragm leak hunting device and install device's plunger pump 1 can realize carrying out quick leak hunting to the plunger pump diaphragm, and whole leak hunting process only needs the operator to press the switch, and work efficiency increases substantially, and the device easily prepares in addition, with low costs, maintains simply, can realize managing to find time, pressurize operation automatically to the plunger pump diaphragm, and it is higher to detect the precision.
Referring to fig. 1, the leak detection device for a diaphragm of a plunger pump includes: a gas pumping device 14 (e.g., a vacuum pump), a vacuum line 19, an electromagnet 7, an evacuation check valve 9, a pressure sensor 8, and a controller 17. The gas suction device 14 is provided with a suction port. One end of the vacuum-pumping pipeline 19 is communicated with the suction port, and the other end of the vacuum-pumping pipeline 19 is provided with an air-pumping joint 6. The electromagnet 7 is arranged beside the air suction joint 6 and is adsorbed on the shell of the plunger pump 1 when electrified, so that the air suction joint 6 is hermetically connected on the air suction interface 3 of the plunger pump 1. The evacuation check valve 9 is attached to the evacuation pipe 19 and is opened toward the gas suction device 14 (i.e., opened from the gas suction connector 6 toward the gas suction device 14 and closed from the gas suction device 14 toward the gas suction connector 6). The pressure sensor 8 is mounted on the evacuated tube 19 between the evacuation check valve 9 and the suction connection 6. The controller 17 is electrically connected to the pressure sensor 8, the electromagnet 7 and the gas suction device 14, respectively. The utility model provides a gas suction device can be all equipment that can the evacuation in the example of the utility model, gas suction device is the vacuum pump.
Referring to fig. 1, when leak detection is performed on a diaphragm of a plunger pump, an air suction connector 6 is manually aligned with an air suction interface 3 on a plunger pump 1, at this time, a switch of an electromagnet 7 is turned on by a controller 17, the electromagnet 7 is adsorbed on the surface of a hydraulic end 2 of the plunger pump (the surface of the hydraulic end 2 of the plunger pump is made of a ferromagnetic material), and the air suction connector 6 and the air suction interface 3 of the plunger pump 1 are pressed and sealed under the action of magnetic force, so that the air suction connector 6 and the air suction interface 3 are guaranteed to be sealed and compressed in an air suction process; after the two are connected, the inlet 4 and the outlet 5 of the plunger pump are closed, high-pressure nitrogen is filled into the plunger pump to enable the two diaphragm sheets of the plunger pump 1 to be attached, the gas suction device 14 is started, the evacuation one-way valve 9 is opened, rapid evacuation of the diaphragm sheets is achieved, when the set pressure is reached, the gas suction device 14 stops, pressure maintaining is carried out in a set time period, if the pressure loss exceeds a set range, leakage is achieved, and if the pressure loss is not caused or the loss is within the set range, no leakage is achieved.
It should be noted that the closing mode of the plunger pump inlet 4 and the plunger pump outlet 5 of the present invention may be various forms, such as an electric valve, etc. please refer to fig. 1, in an example of the present invention, the plunger pump diaphragm leak detection apparatus further includes a plunger pump inlet plugging device, which is sealed and plugged on the plunger pump inlet under the action of the first driving device, and the controller 17 is electrically connected to the first driving device. In an example of the present invention, the plunger pump inlet plugging device comprises an inlet plugging plate 15, and the first driving device drives the inlet plugging plate 15 to plug in a sealing manner in the inlet. The utility model discloses an in an example, plunger pump diaphragm leak hunting device still includes plunger pump export plugging device, and its sealed shutoff is in the plunger pump export under second drive arrangement's effect, 17 electric connection of controller in second drive arrangement. When the plunger pump inlet 4 and the plunger pump outlet 5 need to be closed, the first driving device (such as a first air cylinder) and the second driving device (such as a second air cylinder) are started to enable the inlet blocking plate 15 and the outlet blocking plate 16 to be pressed and sealed on the plunger pump inlet 4 and the plunger pump outlet 5, and therefore blocking is achieved. In order to realize with the high-speed joint who fills nitrogen device in the utility model discloses an example, be provided with on the shutoff board and fill nitrogen gas attach fitting, can carry out quick connection with filling the nitrogen pipeline when filling nitrogen through filling nitrogen gas attach fitting.
The utility model discloses in also can not include and fill the nitrogen device, and be equipped with in addition alone and fill nitrogen equipment, please refer to fig. 1, however in the utility model discloses an example, plunger pump diaphragm leak hunting device still includes fills the nitrogen device, controller 17 with fill the start-stop control system electric connection of nitrogen device.
Referring to fig. 1, in order to prevent the lubricant in the plunger pump 1 from entering the gas pumping device 14 and causing the gas pumping device 14 to be damaged, in an example of the present invention, the plunger pump diaphragm leak detection device further includes a filtering device 13, and the filtering device 13 is installed on the vacuum pipe 19 between the vacuum check valve 9 and the gas pumping device 14 and is used for blocking the lubricant from entering the gas pumping device 14.
Referring to fig. 2, the installation form of the middle electromagnet 7 and the air exhaust joint 6 of the present invention may not be limited, for example, the two are installed on the same rigid member 22 (e.g. a plate), or other feasible installation manners, in an example of the present invention, the air exhaust joint 6 is installed on the rigid member 22, the air exhaust joint 6 is provided with the sealing ring 61 therein, the air exhaust joint 6 and the air exhaust interface 3 compress the sealing ring 61 under the magnetic force action of the electromagnet 7 to seal, so as to ensure the sealing performance between the air exhaust joint 6 and the air exhaust interface 3 in the whole working process, and prevent air leakage.
In order to remind the inspector to pay attention to, in one example the utility model discloses an in, plunger pump diaphragm leak hunting device still includes alarm device, alarm device with controller 17 is connected, and when pressure sensor 8's pressure drop exceeded the settlement scope, controller 17 sent alarm signal to alarm device, and alarm device reports to the police.
Referring to fig. 1, when leak detection is performed on a diaphragm of a plunger pump, an air suction connector 6 is manually aligned with an air suction interface 3, a switch of an electromagnet 7 is turned on through a controller 17, the electromagnet 7 is adsorbed on the surface of a hydraulic end 2 of the plunger pump, and the air suction connector 6 is tightly sealed with the air suction interface 3 of the plunger pump 1 under the action of magnetic force, so that quick connection between the air suction connector and the air suction interface is realized, and manual female locking connection is replaced; after the air extraction connector 6 is connected with the air extraction interface 3 of the plunger pump 1, the controller 17 controls the first driving device and the second driving device to act, so that the inlet plugging plate 15 and the outlet plugging plate 16 are plugged on the inlet 4 and the outlet 5 of the plunger pump, the controller 17 starts the nitrogen filling device, high-pressure nitrogen is filled into the plunger pump 1 to enable two diaphragm sheets of the plunger pump 1 to be attached, the controller 17 starts the gas suction device 14, the evacuation one-way valve 9 is opened to quickly evacuate the diaphragm sheets, when the set pressure is reached, the gas suction device 14 stops and maintains the pressure in a set time period, if the pressure loss exceeds the set range, leakage is achieved, and if the pressure is not lost or is lost in the set range, no leakage is achieved.
In an example of the present invention, there is also provided a plunger pump 1, which is equipped with the plunger pump diaphragm leak detection device described in any one of the above.
As above, the utility model discloses plunger pump diaphragm leak hunting device and plunger pump can realize fast that the diaphragm reveals the detection, and whole process only needs the operator to press the switch, and work efficiency increases substantially, and this device easily prepares, with low costs, maintains simply, can realize managing to find time, pressurize the operation automatically to the plunger pump diaphragm, and it is higher to detect the precision. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A plunger pump diaphragm leak detection device, characterized by comprising:
the gas suction device is provided with a suction port;
one end of the vacuumizing pipeline is communicated with the suction port, and the other end of the vacuumizing pipeline is provided with an air suction joint;
the electromagnet is arranged beside the air extraction joint and is adsorbed on the shell of the plunger pump when electrified, so that the air extraction joint is hermetically connected to an air extraction interface of the plunger pump;
an evacuation check valve installed on the evacuation pipe and opened to the gas suction device side;
the pressure sensor is arranged on the vacuum pumping pipeline between the vacuum pumping one-way valve and the vacuum pumping joint;
and the controller is respectively and electrically connected with the pressure sensor, the electromagnet and the gas suction device.
2. The leak detection apparatus for plunger pump diaphragm according to claim 1, further comprising a plunger pump inlet plugging device for sealing and plugging the plunger pump inlet under the action of the first driving device, wherein the controller is electrically connected to the first driving device.
3. The leak detection device for plunger pump diaphragm of claim 2, wherein said plunger pump inlet plugging device comprises an inlet plugging plate, and said first driving device drives said inlet plugging plate to be sealed and plugged on said inlet.
4. The leak detection apparatus for plunger pump diaphragm according to claim 3, wherein said plugging plate is provided with a nitrogen-filled connecting joint.
5. The leak detection apparatus for plunger pump diaphragm according to claim 1, further comprising a plunger pump outlet plugging means for plugging the plunger pump outlet by the second driving means, wherein said controller is electrically connected to said second driving means.
6. The leak detection apparatus for plunger pump diaphragm according to claim 1, wherein the leak detection apparatus for plunger pump diaphragm further comprises a nitrogen charging device, and the controller is electrically connected with an on-off control system of the nitrogen charging device.
7. The plunger pump diaphragm leak detection apparatus according to claim 1, further comprising a filtering means mounted on the evacuated tube between the evacuation check valve and the gas suction means.
8. The leak detection apparatus for a membrane of a plunger pump according to claim 1, wherein a sealing ring is provided on the suction fitting.
9. The plunger pump diaphragm leak detection apparatus according to claim 1, further comprising an alarm device, wherein the alarm device is connected to the controller.
10. A plunger pump equipped with the plunger pump diaphragm leak detection device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022716241.XU CN213928710U (en) | 2020-11-19 | 2020-11-19 | Plunger pump diaphragm leak detection device and plunger pump provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022716241.XU CN213928710U (en) | 2020-11-19 | 2020-11-19 | Plunger pump diaphragm leak detection device and plunger pump provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213928710U true CN213928710U (en) | 2021-08-10 |
Family
ID=77172234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022716241.XU Active CN213928710U (en) | 2020-11-19 | 2020-11-19 | Plunger pump diaphragm leak detection device and plunger pump provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213928710U (en) |
-
2020
- 2020-11-19 CN CN202022716241.XU patent/CN213928710U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201851343U (en) | Leak-free leakage detection module for plunger pump | |
| CN208417954U (en) | A kind of pressure sealing sealing clamp | |
| CN102345592B (en) | Automatic pressing pump test device | |
| CN213928710U (en) | Plunger pump diaphragm leak detection device and plunger pump provided with same | |
| CN212964005U (en) | Take cone valve test system of gas-liquid fast switch-over | |
| CN108087384A (en) | A kind of hydraulic brake valve reliability test system and method | |
| CN112302924A (en) | Plunger pump leak hunting filling device and install device's plunger pump | |
| CN214247660U (en) | Plunger pump filling device and plunger pump provided with same | |
| CN203376114U (en) | Built-in positive-negative pressure air source for air tightness leak detector | |
| CN201207009Y (en) | Rapid interface for airtightness experiment for pipes | |
| CN210422927U (en) | Movable pipeline vacuum-pumping device | |
| CN208670426U (en) | A kind of pipeline with pressure leak stoppage device | |
| CN108591133B (en) | A kind of high-efficient pressurizing positive displacement pump based on gas-liquid conversion | |
| CN201722134U (en) | Vacuum unloading and conveying device of automatically-controlled tank car | |
| CN1756905A (en) | Radial piston pump | |
| CN211619862U (en) | Brake fluid pressurization exhaust apparatus | |
| CN101837941B (en) | Vacuum unloading conveying device of automatic control tank trunk | |
| CN201737474U (en) | Gas delivery dust discharge valve | |
| CN205937318U (en) | Air clearing device in oil pipe | |
| CN219198857U (en) | Novel ultrahigh pressure lubricating grease filling device | |
| CN210571217U (en) | Low-pressure testing tool | |
| CN211082993U (en) | Threaded large-caliber low-temperature valve airtightness detection structure | |
| CN108457842B (en) | Medical composite plunger pump | |
| CN204855144U (en) | A hydrostatic test system for valve body foundry goods | |
| CN204556276U (en) | A kind of motor turning pump pick-up unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |