CN210686265U - Leakage detection device for high-performance petroleum vacuum pump - Google Patents
Leakage detection device for high-performance petroleum vacuum pump Download PDFInfo
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- CN210686265U CN210686265U CN201921750838.7U CN201921750838U CN210686265U CN 210686265 U CN210686265 U CN 210686265U CN 201921750838 U CN201921750838 U CN 201921750838U CN 210686265 U CN210686265 U CN 210686265U
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Abstract
The utility model relates to a leak detection device for a high-performance petroleum vacuum pump, which mainly solves the problem of low detection efficiency of the vacuum pump leak detection device in the prior art, and comprises a frame, a support platform arranged on the frame, a driving motor, a controller and a display, wherein the output shaft of the driving motor is provided with a connecting flange used for being connected with a vacuum pump rotor, the frame is respectively provided with a first air pressure tank and a second air pressure tank which are arranged at the upper side of the support platform, the first air pressure tank is provided with a first inlet, a first outlet and a first detection port, the first inlet is provided with a first switch valve, the first detection port is provided with a first pressure sensor, the second air pressure tank is provided with a second inlet, a second outlet and a second detection port, the second detection port is provided with a second pressure sensor, a flow sensor is arranged between the first outlet and an elastic hose, and a second switch valve is arranged between the second inlet and the elastic hose, the second outlet connection is provided with a test vacuum pump.
Description
Technical Field
The utility model relates to a leak hunting device for high performance oil vacuum pump.
Background
The vacuum pump mainly utilizes the rotation or feeding motion of a moving part to generate the volume difference of a closed space, and realizes the processes of air suction and air exhaust, thereby generating the process of vacuumizing. When the vacuum pump works, the rotor drives the blades and the terminals to rotate in the inner cavity of the shell, so that the transformation of enclosed volume is generated, and the processes of air extraction and air exhaust are realized.
The existing vacuum pump is generally characterized in that a pump body and a driving motor are integrally connected, after the vacuum pump is integrally installed in the air leakage detection process, an air inlet and an air outlet in the pump body are connected, detection is achieved by supplying power to the driving motor, the detection efficiency is low, and when unqualified products with leakage problems occur, parts need to be disassembled again to be replaced, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a leak hunting device for high performance oil vacuum pump, it has mainly solved the problem that vacuum pump leak hunting device's detection efficiency is low among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a leak detection device for a high-performance petroleum vacuum pump comprises a frame, a supporting platform, a driving motor, a controller and a display, wherein the supporting platform is arranged on the frame, the supporting platform is provided with a fixing device for fixedly mounting vacuum pumps of different models, an output shaft of the driving motor is provided with a connecting flange for connecting with a vacuum pump rotor, a first air pressure tank and a second air pressure tank are respectively arranged on the frame and positioned at the upper side of the supporting platform, the volume of the first air pressure tank is smaller than that of the second air pressure tank, the first air pressure tank is provided with a first inlet, a first outlet and a first detection port, the first inlet is provided with a first switch valve, the first detection port is provided with a first pressure sensor, the second air pressure tank is provided with a second inlet, a second outlet and a second detection port, and the second detection port is provided with a second pressure sensor, the first outlet and the second inlet are connected with an air inlet and an air outlet of the vacuum pump through an elastic hose respectively, a flow sensor is arranged between the first outlet and the elastic hose, a second switch valve is arranged between the second inlet and the elastic hose, a test vacuum pump is arranged at the second outlet, the first pressure sensor, the second sensor and the flow sensor are electrically connected with an input end of the controller respectively, and the display is electrically connected with an output end of the controller.
Furthermore, the fixing device comprises two guide grooves which are arranged on the supporting platform in parallel, through grooves are respectively communicated with the guide grooves on the two side faces of the supporting platform along the distribution direction of the guide grooves, two sliding blocks are respectively arranged on each guide groove, threaded holes used for being connected with a vacuum pump are arranged on each sliding block, and bolts are arranged in the through grooves in a penetrating mode and are respectively in threaded connection with the sliding blocks.
Furthermore, the supporting platform is provided with raised lines along the distribution direction of the guide grooves and on the periphery of the guide grooves, the sliding block is provided with a sliding groove, and the raised lines are embedded into the sliding groove.
Furthermore, a damping spring is arranged between the supporting platform and the rack, and a vibration sensor is arranged on the supporting platform and electrically connected with the input end of the controller.
By adopting the technical scheme, the beneficial effects of the utility model are that: the leak detection device for the high-performance petroleum vacuum pump is characterized in that a vacuum pump to be detected is fixedly connected with a sliding block on a supporting platform through a bolt, an output shaft of a driving motor is connected with a rotor of the vacuum pump to be detected, the vacuum pump to be detected is connected with the sliding block through a bolt on the side surface of the supporting platform to form a fixing effect, a second air pressure tank is vacuumized by starting the vacuum pump to be detected, the vacuum pump to be detected is closed after a vacuum pressure value is reached, the driving motor, a first switch valve and a second switch valve are started to vacuumize the first air pressure tank, the air of the first air pressure tank is pumped into the second air pressure tank, air pressure and air flow are detected through detecting a first pressure sensor, a second pressure sensor and a flow sensor and are transmitted to a controller to be displayed through a display, and timing is combined with the controller to judge the sealing performance of the, the installation and the detection are convenient, and the detection efficiency is high; furthermore, the mounting position of the vacuum pump to be detected corresponds to the slide block by sliding the slide blocks along the guide grooves, the slide blocks are in threaded connection with threaded holes of the slide blocks through bolts, and the slide blocks are in threaded connection with bolts through grooves in the upper side surface of the supporting platform, so that the vacuum pump with the detection function is convenient to fix and mount, the fixing device is suitable for mounting vacuum pumps of different models, and the application range is wide; furthermore, the convex strips on the supporting platform are embedded into the sliding grooves on the sliding blocks, so that the sliding stability of the sliding blocks is good, the sliding blocks are firmly connected with the supporting platform, and the sliding blocks and the supporting platform are prevented from shaking; further, the damping spring reduces the vibration transmission in the operation process of the vacuum pump, and the vibration sensor is arranged to perform vibration detection on the vacuum pump to be detected.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention;
fig. 2 is a schematic top view of the fixing device according to the embodiment of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the utility model provides a do:
referring to fig. 1 and 2, a leak detection device for a high-performance petroleum vacuum pump comprises a frame 1, a supporting platform 2 arranged on the frame 1, a driving motor 3, a controller and a display, wherein a damping spring 4 is arranged between the supporting platform 2 and the frame 1, a vibration sensor 5 is arranged on the supporting platform 2 and is electrically connected with an input end of the controller, a fixing device 6 for fixedly mounting vacuum pumps of different models is arranged on the supporting platform 2, a connecting flange 7 for connecting with a rotor of the vacuum pump is arranged on an output shaft of the driving motor 3, a first air pressure tank 8 and a second air pressure tank 9 are respectively arranged on the frame 1 and positioned at the upper side of the supporting platform 2, the volume of the first air pressure tank 8 is smaller than that of the second air pressure tank 9, the first air pressure tank 8 is provided with a first inlet 81, a first outlet 82 and a first detection port 83, first import 81 is provided with first ooff valve 10, first detection mouth 83 is provided with first pressure sensor 11, second atmospheric pressure jar 9 has second import 91, second export 92 and second detection mouth 93, second detection mouth 93 is provided with second pressure sensor 12, first export 82 and second import 91 are connected with the air inlet and the gas vent of vacuum pump through elasticity hose 13 respectively, be provided with flow sensor 14 between first export 82 and the elasticity hose 13, be provided with second ooff valve 15 between second import 91 and the elasticity hose 13, second export 92 is connected and is provided with test vacuum pump 16, first pressure sensor 11, second sensor 12, flow sensor 14 are connected with the input electricity of controller respectively, the display is connected with the output electricity of controller.
In this embodiment, the fixing device 6 includes two guide grooves 61 arranged in parallel on the supporting platform 2, through grooves 62 are respectively arranged on two side surfaces of the supporting platform 2 and communicated with the guide grooves 61 along the distribution direction of the guide grooves 61, two sliding blocks 63 are arranged on each guide groove 61, a threaded hole 64 for connecting with a vacuum pump is arranged on each sliding block 63, a bolt 65 penetrates through the through groove 62 and is respectively in threaded connection with the sliding block 63, raised strips 66 are arranged on the supporting platform 2 along the distribution direction of the guide grooves 61 and on the periphery of the guide grooves 61, sliding grooves are arranged on the sliding blocks 63, and the raised strips 66 are embedded in the sliding grooves.
The controller can be a controller with a programming function, such as a commercially available PLC or a singlechip; the first pressure sensor 11, the second pressure sensor 12, the flow sensor 14 and the vibration sensor 5 are all functions provided by the market, the detection results are not affected by the types of the sensors, and the electrical connection between each sensor and the controller and the electrical connection between the controller and the display are known technologies, which are not described in detail herein.
The utility model discloses a working method is: the leak detection device for the high-performance petroleum vacuum pump is characterized in that the vacuum pump to be detected is fixedly connected with a sliding block 63 on a supporting platform 2 through a bolt, an output shaft of a driving motor 3 is connected with a rotor of the vacuum pump to be detected, the sliding block 63 is connected through a bolt 65 on the side surface of the supporting platform 2 to form a fixing effect, a second air pressure tank 9 is vacuumized by starting a detection vacuum pump 16, the detection vacuum pump 16 is closed after the vacuum pressure value is reached, the driving motor 3, a first switch valve 11 and a second switch valve 12 are started, a first air pressure tank 8 is vacuumized and is pumped into the second air pressure tank 9, air pressure and air flow are detected by detecting a first pressure sensor 11, a second pressure sensor 12 and a flow sensor 14 and are transmitted to a controller, the display is carried out through the display, and the timing is carried out by combining the controller, therefore, the sealing performance of the vacuum pump to be detected is judged, the installation and the detection are convenient, and the detection efficiency is high; the mounting position of the vacuum pump to be detected corresponds to the slide block by sliding each slide block 63 along the guide groove 61, the slide block is in threaded connection with the threaded hole 64 of the slide block 63 through a bolt, and the slide block 63 is in threaded connection with a bolt 65 of the through groove 62 on the upper side surface of the supporting platform 2, so that the vacuum pump with detection is convenient to fix and mount, the fixing device is suitable for mounting vacuum pumps of different models, and the application range is wide; the convex strip 66 on the supporting platform 2 is embedded into the sliding groove on the sliding block 63, so that the sliding stability of the sliding block 63 is good, the sliding block is firmly connected with the supporting platform 2, and the sliding block 63 is prevented from shaking with the supporting platform 2; the damping spring 4 reduces vibration transmission in the operation process of the vacuum pump, and the vibration sensor 5 is arranged to perform vibration detection on the vacuum pump to be detected.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A leak hunting device for high performance oil vacuum pump which characterized in that: the vacuum pump fixing device comprises a rack, a supporting platform arranged on the rack, a driving motor, a controller and a display, wherein a fixing device for fixedly mounting vacuum pumps of different models is arranged on the supporting platform, a connecting flange used for being connected with a vacuum pump rotor is arranged on an output shaft of the driving motor, a first air pressure tank and a second air pressure tank are respectively arranged on the rack and positioned at the upper side of the supporting platform, the volume of the first air pressure tank is smaller than that of the second air pressure tank, the first air pressure tank is provided with a first inlet, a first outlet and a first detection port, the first inlet is provided with a first switch valve, the first detection port is provided with a first pressure sensor, the second air pressure tank is provided with a second inlet, a second outlet and a second detection port, the second detection port is provided with a second pressure sensor, the first outlet and the second inlet are respectively connected with an air inlet and an air outlet of the vacuum pump through an elastic hose, be provided with flow sensor between first export and the elastic hose, be provided with the second ooff valve between second import and the elastic hose, second exit linkage is provided with the test vacuum pump, first pressure sensor, second sensor, flow sensor are connected with the input electricity of controller respectively, the display is connected with the output electricity of controller.
2. Leak detection apparatus for a high-performance petroleum vacuum pump according to claim 1, characterized in that: the fixing device comprises two guide grooves which are arranged on the supporting platform in parallel, through grooves are respectively communicated with the guide grooves along the distribution direction of the guide grooves on the two side faces of the supporting platform, two sliding blocks are respectively arranged on each guide groove, threaded holes used for being connected with a vacuum pump are formed in each sliding block, and bolts are arranged in the through grooves in a penetrating mode and are respectively in threaded connection with the sliding blocks.
3. Leak detection apparatus for a high-performance petroleum vacuum pump according to claim 2, characterized in that: the supporting platform is provided with raised lines along the distribution direction of the guide grooves and on the peripheral sides of the guide grooves, sliding grooves are formed in the sliding blocks, and the raised lines are embedded into the sliding grooves.
4. Leak detection apparatus for a high-performance petroleum vacuum pump according to claim 3, characterized in that: and a damping spring is arranged between the supporting platform and the rack, and a vibration sensor is arranged on the supporting platform and is electrically connected with the input end of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750838.7U CN210686265U (en) | 2019-10-18 | 2019-10-18 | Leakage detection device for high-performance petroleum vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750838.7U CN210686265U (en) | 2019-10-18 | 2019-10-18 | Leakage detection device for high-performance petroleum vacuum pump |
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| CN210686265U true CN210686265U (en) | 2020-06-05 |
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| CN201921750838.7U Active CN210686265U (en) | 2019-10-18 | 2019-10-18 | Leakage detection device for high-performance petroleum vacuum pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065706A (en) * | 2020-09-10 | 2020-12-11 | 北京通嘉宏瑞科技有限公司 | Vacuum pump with multifunctional detection station and use method thereof |
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2019
- 2019-10-18 CN CN201921750838.7U patent/CN210686265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065706A (en) * | 2020-09-10 | 2020-12-11 | 北京通嘉宏瑞科技有限公司 | Vacuum pump with multifunctional detection station and use method thereof |
| CN112065706B (en) * | 2020-09-10 | 2022-05-10 | 北京通嘉宏瑞科技有限公司 | Vacuum pump with multifunctional detection station and use method thereof |
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