CN117905685A - Plunger pump high temperature test equipment - Google Patents
Plunger pump high temperature test equipment Download PDFInfo
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- CN117905685A CN117905685A CN202410317470.4A CN202410317470A CN117905685A CN 117905685 A CN117905685 A CN 117905685A CN 202410317470 A CN202410317470 A CN 202410317470A CN 117905685 A CN117905685 A CN 117905685A
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- 238000012360 testing method Methods 0.000 title claims abstract description 159
- 239000003921 oil Substances 0.000 claims description 74
- 239000010720 hydraulic oil Substances 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000003749 cleanliness Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention discloses high-temperature testing equipment for a plunger pump, which solves the technical problems of single testing function and low testing efficiency. The device includes the test box, is provided with circulation system, electrical system and at least one test system in the test box, and test system includes: the tool assembly is provided with at least two plunger pumps which can be installed in the tool assembly; the magnetic coupler is connected to the top of the tool assembly, and the bottom end of the magnetic coupler penetrates into the tool assembly and is used for being connected with a corresponding plunger pump; the torque sensor is arranged on the tool assembly; the test motor is arranged on the tool assembly, the test motor is connected with the torque sensor through a first coupler, and the torque sensor is connected with the magnetic coupler through a second coupler; the tool assembly is provided with a pressure sensor and a temperature sensor. The invention can measure the important parameters of the plunger pumps such as the rotating speed, the torque, the pump port pressure, the idle flow, the load flow and the like at the same time, and improves the testing efficiency.
Description
Technical Field
The invention belongs to the technical field of plunger pump testing, and particularly relates to plunger pump high-temperature testing equipment.
Background
The plunger pump is a power mechanism of a hydraulic system, the mechanical energy of a prime motor (an electric motor, an internal combustion engine and the like) is converted into the pressure energy of liquid, the plunger pump can be tested, the product percent of pass can be greatly improved, the unplanned shutdown in the running process of equipment can be effectively avoided, and the production loss of enterprises is reduced. Through the running state test of the plunger pump, the equipment management, maintenance and economic running levels can be improved to a great extent, the running stability of the equipment is improved, and the overall running and maintenance cost is reduced.
However, the existing plunger pump test equipment has single measurement parameters, cannot test a plurality of plunger pumps simultaneously, generally can only test the displacement and the pressure of a single plunger pump, and takes a long time if a large number of plunger pumps are tested. Meanwhile, the test equipment lacks a filtering device, so that the oil can not be filtered, and the stable operation of the test equipment is difficult to ensure.
Therefore, the related art test device has the disadvantages of single test function, low test efficiency and poor use stability, and needs to be improved.
Disclosure of Invention
In order to solve all or part of the problems, the invention aims to provide the high-temperature testing equipment for the plunger pump, which can synchronously test a plurality of plunger pumps, can test a plurality of parameters of the plunger pumps, improves the testing efficiency, can also realize the filtration of oil, ensures the cleanliness of the oil during the testing, and prevents the plunger pumps from being polluted, thereby ensuring the stable operation of the testing equipment.
The invention provides high-temperature testing equipment of a plunger pump, which comprises a testing box, wherein a circulating system, an electrical system and at least one testing system are arranged in the testing box, the testing system is used for testing parameters of the plunger pump, the circulating system is used for circulating hydraulic oil, and the electrical system is used for controlling the testing system and the circulating system to work cooperatively;
The test system includes:
the tool assembly is provided with at least two plunger pumps which can be installed in the tool assembly;
The magnetic couplers are multiple in number and are respectively connected to the top of the tool assembly, and the bottom ends of the magnetic couplers penetrate into the tool assembly and are used for being connected with corresponding plunger pumps;
The moment sensors are multiple in number and are respectively arranged on the tool assembly;
The number of the test motors is multiple, the test motors are respectively arranged on the tool assembly, the test motors are connected with the corresponding torque sensors through first couplers, and the torque sensors are connected with the corresponding magnetic couplers through second couplers so as to realize the measurement of the rotating speed and the torque of the plunger pump;
the tool assembly is provided with a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are used for monitoring the oil pressure and the oil temperature of hydraulic oil around the plunger pump in the tool assembly.
Optionally, the tool assembly includes:
the lower tool is arranged in the test box, a plurality of tool lower cavities are arranged at the top of the lower tool, and valve seats for the threaded connection of the plunger pump are respectively and hermetically arranged in the tool lower cavities;
the sliding table is arranged in the test box;
the mounting frame is vertically and slidably connected to the sliding table, and the test motor, the moment sensor and the magnetic coupler are respectively arranged on the mounting frame;
the driving piece is arranged on the sliding table and used for controlling the lifting of the mounting frame;
The upper tool is arranged right above the lower tool, the magnetic coupler is connected with the upper tool, and a tool upper cavity is formed in the bottom of the upper tool;
After the upper tool is in sealing butt joint with the lower tool, a sealing cavity is formed between the upper tool cavity and the lower tool cavities, the plunger pump is located in the sealing cavity, and the pressure sensor and the temperature sensor are used for monitoring oil pressure and oil temperature of hydraulic oil in the sealing cavity.
Optionally, a first filter and a throttle valve are arranged in the hydraulic oil channel of the valve seat, and the throttle valve is connected to the bottom of the first filter.
Optionally, the circulation system includes oil tank, oil outlet pipe, oil return pipeline, flowmeter and circulating pump, oil outlet pipe with oil tank and lower frock are connected respectively, oil return pipeline with oil tank and last frock are connected respectively, circulating pump and flowmeter connect respectively on the oil outlet pipe.
Optionally, the circulation system further comprises a heat exchanger, a heater, a heating pump and a heat exchange pipeline, wherein the heat exchange pipeline is connected with the oil outlet pipeline, and the heat exchanger, the heater and the heating pump are respectively connected to the heat exchange pipeline so as to heat hydraulic oil.
Optionally, the circulation system further comprises an air cooler and a cooling pipeline, wherein two ends of the cooling pipeline are respectively connected with the oil tank, and the air cooler is connected to the cooling pipeline to realize cooling of hydraulic oil.
Optionally, the electrical system includes mounting panel, touch-sensitive screen computer, driver, control panel and a plurality of shift knob, touch-sensitive screen computer and a plurality of shift knob set up respectively on the control panel, be provided with power module, PLC host computer, digital quantity and analog quantity control module, communication module and a plurality of driver on the mounting panel, digital quantity and analog quantity control module, communication module respectively with the PLC host computer electricity is connected, flowmeter, circulating pump, heat exchanger, heater and heating pump respectively with digital quantity and analog quantity control module electricity is connected, touch-sensitive screen computer and a plurality of driver respectively with communication module electricity is connected.
Optionally, be provided with a plurality of baffles in the test box, the baffle will the inside of test box is divided into a plurality of installation district, just test system, circulation system and electrical system are respectively alone be located corresponding in the installation district, be provided with a plurality of switch doors on the test box, the switch door is used for sealing correspondingly the installation district.
Optionally, a plurality of cooling fans are respectively arranged on two sides of the test box.
Optionally, universal rollers are respectively arranged at four corners of the bottom of the test box.
According to the technical scheme, the plunger pump high-temperature test equipment provided by the invention has the following advantages:
The device can measure the important parameters such as the rotating speed, the torque, the pump port pressure, the no-load flow, the load flow and the like of the plunger pump at normal temperature and high temperature, and can realize the measurement operation of a plurality of plunger pumps by one-time test, thereby improving the test efficiency. Meanwhile, the equipment can realize the filtration of hydraulic oil, reduce the risk of pollution of the plunger pump, ensure the normal operation of the equipment, and improve the service stability and service life of the equipment.
Additional features and advantages of the invention will be set forth in the description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and do not limit the invention.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram showing the internal structure of a test box according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a test system according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a valve seat in an embodiment of the present invention;
FIG. 5 is a schematic diagram of an oil line connection structure of a circulation system according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of area A of FIG. 2;
FIG. 7 is a schematic diagram of a test system in a test mode according to an embodiment of the invention;
FIG. 8 is a schematic diagram of a test system in a heating mode according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a test system in a cooling mode according to an embodiment of the present invention;
Fig. 10 is a schematic diagram illustrating an internal structure of an electrical system according to an embodiment of the present invention.
Reference numerals illustrate:
1. A test box; 2. a circulation system; 201. an oil tank; 202. an oil outlet pipeline; 203. an oil return pipeline; 204. a flow meter; 205. a circulation pump; 206. a heat exchanger; 207. a heater; 208. heating the pump; 209. a heat exchange pipeline; 300. a second filter; 301. an air cooler; 302. a cooling pipe; 3. an electrical system; 31. a mounting plate; 32. a touch screen computer; 33. a driver; 34. a control panel; 35. a switch button; 4. a test system; 41. a tooling assembly; 411. a sliding table; 412. a mounting frame; 413. loading a tool; 414. a lower tool; 415. a driving member; 416. a tool lower cavity; 417. a valve seat; 418. a tool upper cavity; 419. sealing the chamber; 42. a magnetic coupler; 43. a torque sensor; 44. testing a motor; 45. a first coupling; 46. a second coupling; 47. a pressure sensor; 48. a temperature sensor; 5. a first filter; 6. a throttle valve; 7. a partition plate; 8. an installation area; 9. a heat radiation fan; 10. a universal roller; 11. opening and closing a door; 12. and an oil path block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be arbitrarily combined with each other.
Referring to fig. 1-10, an embodiment of the present invention is shown, in which a high temperature testing device for a plunger pump is disclosed, and the high temperature testing device includes a testing box 1, a circulation system 2, an electrical system 3 and at least one testing system 4 are disposed in the testing box 1, the testing system 4 is used for testing parameters of the plunger pump, the circulation system 2 is used for circulating hydraulic oil, and the electrical system 3 is used for controlling the testing system 4 and the circulation system 2 to work cooperatively.
In one embodiment, as shown in fig. 2 and 3, the test system 4 includes a tool assembly 41 disposed in the test box 1, and at least two plunger pumps can be respectively installed in the tool assembly 41, that is, simultaneous measurement of multiple plunger pump parameters can be achieved by one test.
In one embodiment, as shown in fig. 2 and 3, the tool assembly 41 is provided with a plurality of magnetic couplers 42, a torque sensor 43 and a test motor 44, the test motor 44 is located directly above the torque sensor 43, and the test motor 44 is connected with the corresponding torque sensor 43 through a first coupling 45. The moment sensor 43 is located directly above the magnetic coupler 42, and the moment sensor 43 is connected with the corresponding magnetic coupler 42 through the second coupling 46, and the bottom end of the magnetic coupler 42 penetrates into the tool assembly 41 and is used for being connected with the corresponding plunger pump.
In one embodiment, as shown in fig. 3, the tooling assembly 41 is provided with a pressure sensor 47 and a temperature sensor 48, and the pressure sensor 47 and the temperature sensor 48 are used for monitoring the oil pressure and the oil temperature of hydraulic oil around the plunger pump in the tooling assembly 41.
The plunger pump high-temperature test equipment in the embodiment can measure important parameters such as the rotating speed, the torque, the pump port pressure, the no-load flow, the load flow and the like of the plunger pump at normal temperature and high temperature, and can realize the measurement operation of a plurality of plunger pumps by one-time test, thereby improving the test efficiency. In the present embodiment, the pump port pressure is measured by the pressure sensor 47, the no-load flow is measured data not passing through the flow meter 204, and the load flow is measured data passing through the flow meter 204.
In the present embodiment, the test systems 4 are provided in two, and each test system 4 can measure three plunger pumps at a time. In other embodiments, a plurality of test systems 4 may be provided, and the test systems may be set according to the size and arrangement of the test boxes 1, however, each test system 4 may also measure a plurality of plunger pumps at a time, and may be selected according to practical situations, which is not excessively listed here.
In one embodiment, as shown in fig. 2 and 3, the tool assembly 41 includes a sliding table 411, a mounting frame 412, an upper tool 413, a lower tool 414 and a driving member 415, the sliding table 411 is fixedly connected to the test box 1, the mounting frame 412 is vertically slidably connected to the sliding table 411, and the test motor 44, the torque sensor 43 and the magnetic coupler 42 are respectively fixedly connected to the mounting frame 412. Meanwhile, the driving member 415 serves to control the vertical sliding of the mounting bracket 412.
In one embodiment, as shown in fig. 2 and 3, the lower tool 414 is disposed in the test box 1, three tool lower cavities 416 are provided at the top of the lower tool 414, and valve seats 417 for threaded connection of the plunger pump are respectively and sealingly installed in each tool lower cavity 416, that is, the bottom end of the plunger pump is inserted into the tool lower cavity 416 and is in threaded connection with the corresponding valve seat 417, so that the fixation of the plunger pump and the lower tool 414 can be achieved.
In one embodiment, as shown in fig. 2 and 3, the upper tool 413 is located directly above the lower tool 414, the bottom of the upper tool 413 is provided with an upper tool cavity 418, after the upper tool 413 is in sealing abutment with the lower tool 414, the top end of the piston pump is inserted into the upper tool cavity 418, and a sealing chamber 419 is formed between the upper tool cavity 418 and the plurality of lower tool cavities 416, that is, the plunger pump is located in the sealing chamber 419.
In one embodiment, as shown in fig. 1 and 2, the magnetic coupler 42 is connected with the upper tool 413, that is, the mounting rack 412 can drive the magnetic coupler 42, the upper tool 413 and other components to move synchronously, so as to realize the opening and closing control of the upper tool 413 and the lower tool 414, so that the installation and replacement operations of the plunger pump by staff are facilitated. The pressure sensor 47 and the temperature sensor 48 are connected to the circulation system 2 through oil passages, respectively, and the pressure sensor 47 and the temperature sensor 48 are used to monitor the oil pressure and the oil temperature of the hydraulic oil in the sealed chamber 419.
When the plunger pump needs to be tested, the driving part 415 controls the mounting frame 412 to drive the test motor 44, the magnetic coupler 42, the upper tool 413 and other parts to synchronously move upwards, namely, the upper tool 413 is lifted, and then the plunger pump is mounted on the corresponding valve seat 417. Subsequently, the driving part 415 controls the mounting frame 412 to drive the test motor 44, the magnetic coupler 42, the upper tool 413 and other components to synchronously move downwards, and the upper tool 413 and the lower tool 414 are in sealing abutting connection. At this time, the plunger pump is located in the sealed chamber 419 and is connected to the magnetic coupler 42. Next, the hydraulic oil is injected into the seal chamber 419 through the circulation system 2, and the hydraulic oil is circulated, so that the measurement of the plunger pump can be achieved.
In this embodiment, the driving member 415 adopts a screw structure, that is, a screw is screwed with the mounting frame 412, and when the screw rotates, the vertical movement of the mounting frame 412 can be controlled. Of course, the driving member 415 may also adopt a motor worm gear structure or a motor gear rack structure, and may also directly adopt a hydraulic cylinder or an electric push rod, so long as the vertical movement of the mounting frame 412 can be realized.
In one embodiment, as shown in fig. 4, a first filter 5 and a throttle valve 6 are fixedly connected in a hydraulic oil channel of the valve seat 417, and the throttle valve 6 is connected to the bottom of the first filter 5 to realize filtering and pressurizing of hydraulic oil.
In one embodiment, as shown in fig. 2, 3 and 5, the circulation system 2 includes an oil tank 201, an oil outlet pipeline 202, an oil return pipeline 203, a flow meter 204 and a circulation pump 205, wherein the oil outlet pipeline 202 is respectively connected with the oil tank 201 and a lower tool 414, the oil return pipeline 203 is respectively connected with the oil tank 201 and an upper tool 413, and the circulation pump 205 is connected with the oil outlet pipeline 202.
In one embodiment, as shown in fig. 2 and 5, the circulation system 2 further includes a heat exchanger 206, a heater 207, a heating pump 208, and a heat exchange pipeline 209, where the heat exchange pipeline 209 is connected to the oil outlet pipeline 202, and the heat exchanger 206, the heater 207, and the heating pump 208 are respectively connected to the heat exchange pipeline 209 to heat hydraulic oil. Meanwhile, a second filter 300 is provided on the heat exchanging pipe 209 to filter hydraulic oil.
In one embodiment, as shown in fig. 2 and fig. 5, the circulation system 2 further includes an air cooler 301 and a cooling pipeline 302, two ends of the cooling pipeline 302 are respectively connected with the oil tank 201, and the air cooler 301 is connected to the cooling pipeline 302 to achieve cooling of hydraulic oil.
In this embodiment, as shown in fig. 2 and 6, at least one electromagnetic valve is respectively disposed on the oil outlet pipe 202, the oil return pipe 203, the heat exchange pipe 209 and the cooling pipe 302, and the electromagnetic valve and the flowmeter 204 are integrally mounted on the oil path block 12, so as to realize control of the pipeline. The circulation system 2 operates in the following mode:
1. Test mode
As shown in fig. 7, the solenoid valves on the heat exchange pipeline 209 and the cooling pipeline 302 are respectively closed, that is, the circulation pump 205 pumps out the hydraulic oil in the oil tank 201, and makes the hydraulic oil enter the lower tooling 414, and then flows back to the oil tank 201 through the oil return pipeline 203, so as to realize circulation.
2. Heating mode
As shown in fig. 8, the solenoid valves on the oil outlet pipe 202 and the cooling pipe 302 are closed respectively, that is, the circulation pump 205 pumps the hydraulic oil in the oil tank 201 into one side of the heat exchanger 206, the heater 207 heats the hydraulic oil in the heat exchange pipe 209, and at the same time, the heating pump 208 circulates the liquid medium in the heat exchange pipe 209 and makes the hydraulic oil enter the other side of the heat exchanger 206, thereby realizing heat exchange of the hydraulic oil. Subsequently, the heated hydraulic oil is filtered through the second filter 300 and then returned to the oil tank 201.
3. Cooling mode
As shown in fig. 9, the solenoid valves on the oil outlet pipe 202 and the heat exchange pipe 209 are closed, respectively, that is, the oil pump on the cooling pipe 302 pumps the hydraulic oil in the oil tank 201 into the cooling pipe 302, at this time, the air cooler 301 cools the hydraulic oil, and then the cooled hydraulic oil flows back to the oil tank 201.
By adding heating and cooling functions to the circulation system 2 for heating and cooling the hydraulic oil for test, the design can ensure that the heater 207 does not directly contact the hydraulic oil for test, and prevent the hydraulic oil for test from being rapidly aged, volatilized and carbonized.
In this embodiment, temperature sensors may be added to the oil tank 201, the cooling pipe 302, and the heat exchange pipe 209 to monitor the temperature of the hydraulic oil. Meanwhile, a temperature sensor and a pressure sensor can be additionally arranged on the oil outlet pipeline 202 so as to monitor the oil temperature and the oil pressure of the hydraulic oil. A cleanliness detector may be further added to the oil return line 203 to detect the cleanliness of the hydraulic oil.
In one embodiment, as shown in fig. 2 and 10, the electrical system 3 includes a mounting board 31, a touch screen computer 32, a driver 33, a control panel 34, and a plurality of switch buttons 35, where the touch screen computer 32 and the plurality of switch buttons 35 are respectively disposed on the control panel 34, a power module, a PLC host, a digital and analog control module, a communication module, and a plurality of drivers 33 are disposed on the mounting board 31, the digital and analog control module, the communication module are respectively electrically connected to the PLC host, and the solenoid valve, the flowmeter 204, the circulation pump 205, the heat exchanger 206, the heater 207, and the heating pump 208 are respectively electrically connected to the digital and analog control module, and the touch screen computer 32 and the plurality of drivers 33 are respectively electrically connected to the communication module.
In this embodiment, the digital quantity control module mainly detects digital signals for controlling the switching of the heat pump 208, the heater 207, the heat exchanger 206 and the plurality of solenoid valves, and the analog quantity control module mainly collects and displays the current, voltage and frequency of the object for reading the values of the torque sensor 43, the temperature sensor 48 and the pressure sensor 47. The electrical system 3 is a core component for realizing the functions of the whole testing system 4, and under the control of control software, the electrical system 3 sends different instructions to realize all the testing functions of the whole motor pump performance testing system 4. The test software is applied to equipment control and test result recording, the test flow from the start to the end of the test is operated on the test software at the PC end, the next step is carried out according to the test result of each procedure, and the test data are recorded.
In one embodiment, as shown in fig. 1 and 2, a plurality of partition plates 7 are disposed in the test box 1, the partition plates 7 divide the interior of the test box 1 into a plurality of installation areas 8, and the test system 4, the circulation system 2 and the electrical system 3 are respectively and individually located in the corresponding installation areas 8, and a plurality of switch doors 11 are disposed on the test box 1, and the switch doors 11 are used for closing the corresponding installation areas 8.
In the present embodiment, the test box 1 is divided into six mounting areas 8 (upper three, lower three) in total, the test system 4 is located in the upper left two mounting areas 8, and the electrical system 3 is located in the upper right mounting area 8. The heat pump 208 and the heater 207 are located in the lower left mounting area 8, the heat exchanging gas, the second filter 300, and the circulation pump 205 are located in the lower middle mounting area, and the oil tank 201 and the air cooler 301 are located in the lower right mounting area 8. The design can realize the separation of components such as heating, heat exchange, cooling and the like, avoid mutual interference and simultaneously can also prevent the occurrence of safety problems.
In one embodiment, as shown in fig. 1 and 2, a plurality of cooling fans 9 are respectively arranged on two sides of the test box 1, which is beneficial to cooling of each part in the test box 1 and reduces the risk of overheat of test equipment. Meanwhile, the four corners of the bottom of the test box 1 are respectively provided with universal rollers 10, so that the operation of carrying, moving and the like of the test equipment by workers is facilitated.
The plunger pump high temperature test equipment in this embodiment, the use process is as follows:
S1, lifting an upper tool 413 by a sliding driving piece 415, and loading a plunger pump into a lower cavity 416 of the tool;
S2, sliding the driving piece 415 to put down the upper tool 413, and enabling the upper tool cavity 418 and the lower tool cavity 416 to form a closed cavity;
s3, starting the circulating system 2 through the touch screen computer 32 and filling oil into the sealing chamber 419;
S4, starting a testing system 4 through the touch screen computer 32, and sequentially performing a normal temperature test for 10 minutes, a test for 60 minutes and a test for 80 ℃ and a test for 30 minutes and a test for 120 ℃ according to program settings;
S5, after the test is completed, the test system 4 generates a test report, and then the circulation system 2 is started and the air cooler 301 is opened to cool the oil;
s6, discharging oil in the tool, lifting the upper tool 413, and taking out the plunger pump which is tested.
According to the process, the testing equipment can measure the important parameters of the plunger pump such as the rotating speed, the torque, the pressure, the no-load flow and the load flow of the plunger pump at normal temperature and high temperature, and can measure a plurality of plunger pumps at the same time, so that the testing efficiency is remarkably improved. Meanwhile, by additionally arranging the filter, the cleanliness of oil liquid during testing is guaranteed, and the plunger pump is prevented from being polluted.
Moreover, the test equipment can meet the combination of normal temperature and high temperature test of the plunger pump, and meanwhile, the air cooler 301 is also arranged, so that the test hydraulic oil and the plunger pump can be cooled after the high temperature test. The plunger pump tool is convenient to detach, different tools can be manufactured according to different plunger pumps, the plunger pump tool is suitable for testing various types of products, and the application range is wide.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, the meaning of "plurality" is two or more unless specifically defined otherwise.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. The high-temperature testing equipment for the plunger pump is characterized by comprising a testing box (1), wherein a circulating system (2), an electrical system (3) and at least one testing system (4) are arranged in the testing box (1), the testing system (4) is used for testing parameters of the plunger pump, the circulating system (2) is used for circulating hydraulic oil, and the electrical system (3) is used for controlling the testing system (4) and the circulating system (2) to work cooperatively;
The test system (4) comprises:
A tooling assembly (41) into which at least two plunger pumps can be mounted;
the magnetic force couplers (42) are multiple in number and are respectively connected to the top of the tool assembly (41), and the bottom ends of the magnetic force couplers (42) penetrate into the tool assembly (41) and are used for being connected with corresponding plunger pumps;
the number of the moment sensors (43) is a plurality, and the moment sensors are respectively arranged on the tool assembly (41);
The number of the test motors (44) is multiple, the test motors (44) are respectively arranged on the tool assembly (41), the test motors (44) are connected with the corresponding moment sensors (43) through first couplings (45), and the moment sensors (43) are connected with the corresponding magnetic couplers (42) through second couplings (46) so as to realize the measurement of the rotation speed and the torque of the plunger pump;
the tool assembly (41) is provided with a pressure sensor (47) and a temperature sensor (48), and the pressure sensor (47) and the temperature sensor (48) are used for monitoring the oil pressure and the oil temperature of hydraulic oil around a plunger pump in the tool assembly (41).
2. The test apparatus according to claim 1, wherein the tooling assembly (41) comprises:
the lower tool (414) is arranged in the test box (1), a plurality of tool lower cavities (416) are formed in the top of the lower tool (414), and valve seats (417) for the threaded connection of the plunger pumps are respectively and hermetically arranged in each tool lower cavity (416);
a sliding table (411) arranged in the test box (1);
The mounting frame (412) is vertically connected to the sliding table (411) in a sliding manner, and the test motor (44), the torque sensor (43) and the magnetic coupler (42) are respectively arranged on the mounting frame (412);
The driving piece (415) is arranged on the sliding table (411) and is used for controlling the lifting of the mounting frame (412);
An upper tool (413) arranged right above the lower tool (414), wherein the magnetic coupler (42) is connected with the upper tool (413), and a tool upper cavity (418) is arranged at the bottom of the upper tool (413);
After the upper tool (413) is in sealing butt joint with the lower tool (414), a sealing chamber (419) is formed between the upper tool cavity (418) and the plurality of lower tool cavities (416), a plunger pump is located in the sealing chamber (419), and the pressure sensor (47) and the temperature sensor (48) are used for monitoring oil pressure and oil temperature of hydraulic oil in the sealing chamber (419).
3. The test device according to claim 2, characterized in that a first filter (5) and a throttle valve (6) are arranged in the hydraulic oil channel of the valve seat (417), and that the throttle valve (6) is connected to the bottom of the first filter (5).
4. The test equipment according to claim 1, wherein the circulation system (2) comprises an oil tank (201), an oil outlet pipeline (202), an oil return pipeline (203), a flow meter (204) and a circulation pump (205), the oil outlet pipeline (202) is respectively connected with the oil tank (201) and a lower tool (414), the oil return pipeline (203) is respectively connected with the oil tank (201) and an upper tool (413), and the circulation pump (205) and the flow meter (204) are respectively connected with the oil outlet pipeline (202).
5. The test device according to claim 4, wherein the circulation system (2) further comprises a heat exchanger (206), a heater (207), a heating pump (208) and a heat exchange pipeline (209), the heat exchange pipeline (209) is connected with the oil outlet pipeline (202), and the heat exchanger (206), the heater (207) and the heating pump (208) are respectively connected to the heat exchange pipeline (209) so as to heat hydraulic oil.
6. The test equipment according to claim 5, wherein the circulation system (2) further comprises an air cooler (301) and a cooling pipeline (302), two ends of the cooling pipeline (302) are respectively connected with the oil tank (201), and the air cooler (301) is connected to the cooling pipeline (302) to achieve cooling of hydraulic oil.
7. The test device according to claim 5, wherein the electrical system (3) comprises a mounting board (31), a touch screen computer (32), a driver (33), a control panel (34) and a plurality of switch buttons (35), the touch screen computer (32) and the plurality of switch buttons (35) are respectively arranged on the control panel (34), a power module, a PLC host, a digital and analog control module, a communication module and a plurality of drivers (33) are arranged on the mounting board (31), the digital and analog control module and the communication module are respectively electrically connected with the PLC host, the flowmeter (204), the circulation pump (205), the heat exchanger (206), the heater (207) and the heating pump (208) are respectively electrically connected with the digital and analog control module, and the touch screen computer (32) and the plurality of drivers (33) are respectively electrically connected with the communication module.
8. Test equipment according to claim 1, characterized in that a plurality of baffles (7) are arranged in the test box (1), the baffles (7) divide the interior of the test box (1) into a plurality of installation areas (8), and the test system (4), the circulation system (2) and the electrical system (3) are respectively and independently positioned in the corresponding installation areas (8), a plurality of switch doors (11) are arranged on the test box (1), and the switch doors (11) are used for closing the corresponding installation areas (8).
9. Test device according to claim 1, characterized in that the test box (1) is provided with several cooling fans (9) on both sides, respectively.
10. Test equipment according to claim 1, characterized in that the four corners of the bottom of the test box (1) are provided with universal rollers (10) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410317470.4A CN117905685B (en) | 2024-03-20 | 2024-03-20 | Plunger pump high temperature test equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410317470.4A CN117905685B (en) | 2024-03-20 | 2024-03-20 | Plunger pump high temperature test equipment |
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| CN117905685B CN117905685B (en) | 2024-05-28 |
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|---|---|
| CN117905685B (en) | 2024-05-28 |
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