CN115524108B - System and method for testing service life and durability of electric vacuum pump - Google Patents
System and method for testing service life and durability of electric vacuum pump Download PDFInfo
- Publication number
- CN115524108B CN115524108B CN202211261476.1A CN202211261476A CN115524108B CN 115524108 B CN115524108 B CN 115524108B CN 202211261476 A CN202211261476 A CN 202211261476A CN 115524108 B CN115524108 B CN 115524108B
- Authority
- CN
- China
- Prior art keywords
- test
- arc
- limiting
- shaped cover
- vacuum pump
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 213
- 238000000034 method Methods 0.000 title claims description 21
- 238000010998 test method Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 11
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a life durability test system and a test method for an electric vacuum pump, which belong to the technical field of life durability test of vacuum pumps. According to the life durability test system and the test method of the electric vacuum pump, the adaptive test space is scientifically and reasonably selected according to the size of the electric vacuum pump, so that the waste of energy sources and the increase of economic cost caused by overlarge test space are effectively avoided, or the test space is too small to fully meet the test requirement of the electric vacuum pump.
Description
Technical Field
The invention relates to the technical field of life durability test of vacuum pumps, in particular to a life durability test system and a life durability test method of an electric vacuum pump.
Background
The life durability test of the electric vacuum pump generally needs to consume huge time cost and economic cost, and a general enterprise can send a prototype to a third-party testing mechanism for testing, and the third-party testing mechanism tests the life durability of the prototype and sends a test report according to the test result.
At present, the life durability test of the electric vacuum pump is usually carried out in a normal temperature environment, but the actual service life durability of the electric vacuum pump cannot be accurately reflected by the simple normal temperature environment because the temperature state of the actual service environment of the electric vacuum pump is very complex, and the electric vacuum pump is not only in a normal temperature state, but also in a state in which the high temperature, the low temperature and the high and the low temperature are cyclically changed.
The invention patent publication No. CN109707614A discloses a life endurance test device and a method thereof, wherein a temperature box is used for providing test environments such as low temperature, normal temperature and high temperature for a sample to test the sample, but the range of the difference of the volumes of the electric vacuum pumps is larger, so when the life endurance test is carried out on the electric vacuum pumps with different volumes by using the same temperature box, a large amount of unnecessary energy consumption is generated for the electric vacuum pump with smaller volume when the temperature of the test environment is maintained, and the test time is longer, so higher economic cost is additionally generated.
Disclosure of Invention
In order to solve the technical problems, the invention provides a life durability test system of an electric vacuum pump, which is realized by the following specific technical means: the test bench is provided with a plurality of arc-shaped covers with different diameters and a plurality of rectangular frame grooves with different sizes, the rectangular frame grooves are in one-to-one correspondence with the arc-shaped covers, the arc-shaped covers are divided into a left part and a right part, the arc-shaped covers are sequentially distributed from inside to outside in a sequence of small diameters to large diameters, the axes of the arc-shaped covers coincide, the arc-shaped covers with different diameters form test spaces with different sizes on the test bench, the left part of the rectangular frame grooves are butt joint sealing grooves and are formed on the upper surface of the test bench, the right part of the rectangular frame grooves are butt joint sealing through grooves and penetrate the test bench from top to bottom, in the test process, the corresponding arc-shaped covers are rotated from bottom to top to cover on the test bench and are in sealing connection with the corresponding rectangular frame grooves, after the test is completed, the arc-shaped covers are rotated to reset, at the moment, the left part of the arc-shaped covers are in sealing connection with the butt joint sealing through grooves, and a limiting fixing assembly for limiting and fixing the arc-shaped covers and a test connection mechanism connected with the test bench are connected between the arc-shaped covers.
The first preferred technical scheme is as follows: the utility model discloses a test bench, including arc cover, spacing fixed subassembly, spacing eave, stopper, hanging seat, couple and retaining member, spacing eave sets up along the cover mouth edge of arc cover, and the butt joint is sealed to lead to the groove and is the step form with the corresponding part of spacing eave, and the stopper rotates to tie down on the testboard and after the test is accomplished, and the couple rotates to tie down on corresponding arc cover, hanging seat activity flat inlays on the testboard, and uses with the couple cooperation, and the retaining member flat inlays on the testboard to be used for tensioning to link together hanging seat and couple.
And the second preferred technical scheme is as follows: the couple is along the axis evenly distributed of arc cover on the arc cover, hangs the seat corresponding distribution and hang seat and testboard sliding connection on the testboard, and the retaining member includes unified link, hangs the seat and all connects on unified link, rotates on the unified link and is connected with the screw thread post, screw thread post sliding connection on the testboard, rotates on the testboard and is connected with control nut, control nut and screw thread post threaded connection.
And the preferred technical scheme is as follows: the test connection mechanism comprises a test cavity and a plurality of combined connection ends, the test cavity is connected to the test bench and located outside the largest test space, the combined connection ends are in one-to-one correspondence with the arc-shaped covers, the combined connection ends comprise air exhaust connection ports and air exhaust connection ports, the air exhaust connection ports are connected with the test cavity in a sealing mode through connection pipes, exhaust pipes are connected to the air exhaust connection ports, and the other ends of the exhaust pipes are located outside the corresponding test spaces.
The preferable technical scheme is as follows: the test bench rotates and is provided with the storage rack, and storage rack and combination link one-to-one are accomodate the pole including two, accomodate pole bilateral symmetry and distribute, and the connector setting of bleeding is accomodate on one of them, and the connector setting of bleeding is accomodate on another pole, offer on the test bench with accomodate the corresponding storage groove of pole.
The preferable technical scheme is as follows: the hook comprises a rotating shaft, the rotating shaft is elastically connected to the arc-shaped cover in a rotating mode, the V-shaped hanging head is connected to the rotating shaft, the arc-shaped cover is rotationally embedded with a limiting rod, and the limiting rod is used for limiting the hanging head.
The preferable technical scheme is as follows: the storage rod comprises a rectangular storage rod and a rotating seat provided with a connecting column, wherein the rectangular storage rod is in limiting sliding connection with the connecting column, and the storage groove comprises a limiting opening through which the connecting column passes but the rectangular storage rod cannot pass.
The preferred technical scheme is as follows: the limiting block comprises an upper limiting part, a middle rotating connecting part and a lower jacking part, wherein the upper limiting part and the lower jacking part are respectively connected with the upper end and the lower end of the middle rotating connecting part, and the upper limiting part and the lower jacking part are distributed in a staggered manner.
The service life durability test method of the electric vacuum pump is completed by adopting a service life durability test system of the electric vacuum pump in a matched way, and comprises the following steps of:
S1, placing or installing a prototype on a test bench, and selecting a corresponding arc cover according to the size of the prototype;
S2, covering the selected arc-shaped cover on a test bench to form a sealed test space, controlling the temperature in the test space through a temperature control system, and starting a prototype to perform test.
And S3, after the test is completed, the arc-shaped cover is reset, and then the prototype is taken down.
The invention has the following beneficial effects: 1. according to the electric vacuum pump life durability test system and the test method, the arc covers with different diameters and the test table form test spaces with different sizes, in the test process, the adaptive test space is scientifically and reasonably selected according to the size of the electric vacuum pump, the waste of energy sources and the increase of economic cost caused by overlarge test space are effectively avoided, or the test space is too small to fully meet the requirement of electric vacuum pump test, the electric vacuum pump life durability test system has high flexibility, is very suitable for being used by third party detection mechanisms for testing product diversification, is simple and easy to operate in the whole test process, and combines the functions of rectangular frame grooves to retract and release the arc covers in a non-working state, so that the compactness of the whole structure is improved, and meanwhile, the space occupancy rate of the electric vacuum pump life durability test system is reduced.
2. According to the life durability test system and the test method of the electric vacuum pump, the lower arc-shaped cover in the working state and the arc-shaped cover in the non-working state are limited and fixed through the limiting and fixing assembly, so that the sealing performance and the stability of the test environment in the test process are guaranteed, the stability of the arc-shaped cover in the non-test condition and the sealing performance of the connection between the arc-shaped cover and the test bench are guaranteed, and the sealing performance and the stability of the test space formed when the arc-shaped cover and the test bench are influenced due to poor sealing performance or poor placement stability of the arc-shaped cover on the test bench are avoided.
3. According to the life durability test system and the test method for the electric vacuum pump, the arc-shaped cover is jacked in advance before being pulled through the combined action of the upper limiting part, the middle rotating connecting part and the lower jacking part, so that the operation convenience is correspondingly improved.
4. According to the life durability test system and the test method for the electric vacuum pump, the combined connecting end is controlled through the storage rack, so that the electric vacuum pump is stored in the storage groove when the corresponding test space does not perform test work, the combined connecting end is convenient to connect with the electric vacuum pump, and meanwhile the electric vacuum pump can be effectively prevented from being placed by the combined connecting end.
5. According to the life durability test system and the test method for the electric vacuum pump, the convenience and the stability of the control process of the combined connecting end are effectively improved through the combined action of the rectangular storage rod, the connecting column, the rotating seat and the limiting opening.
Drawings
FIG. 1 is a schematic diagram of the structure of the test procedure of the present invention.
Fig. 2 is an enlarged view of the invention at a in fig. 1.
FIG. 3 is a schematic diagram of the structure of the invention during non-testing.
Fig. 4 is a schematic view of a partial cross-sectional structure of the present invention.
Fig. 5 is an enlarged view of the present invention at B in fig. 4.
Fig. 6 is an enlarged view of the present invention at C in fig. 4.
Fig. 7 is a schematic structural view of the locking member of the present invention.
Fig. 8 is a schematic structural view of the storage rack of the present invention.
Fig. 9 is a schematic top view of the storage rack and the combined connecting section of the present invention.
Fig. 10 is a schematic view of the structure of the arc-shaped cover of the present invention in an operating state and in a non-operating state.
Fig. 11 is a schematic structural view of a stopper according to the present invention.
In the figure: 1. a test bench; 2. an arc-shaped cover; 3. a rectangular frame groove; 4. a limit fixing component; 41. limiting eaves; 42. a limiting block; 43. a hanging seat; 44. a hook; 441. a rotating shaft; 442. a hanging head; 443. a limit rod; 45. a locking member; 451. a unified connecting frame; 452. a threaded column; 453. a control nut; 5. testing the connecting mechanism; 51. a test chamber; 52. a combined connection end; 6. a storage rack; 61. a rectangular receiving bar; 62. a connecting column; 63. a rotating seat; 7. and a storage groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1,3, 4 and 10, a life durability test system of an electric vacuum pump comprises a test bench 1, wherein a sample machine is placed or installed on the test bench 1, three arc-shaped covers 2 with different diameters and three rectangular frame grooves 3 with different sizes are arranged on the test bench 1, the rectangular frame grooves 3 are in one-to-one correspondence with the arc-shaped covers 2, the arc-shaped covers 2 are uniformly divided into left and right parts, the diameters of the arc-shaped covers 2 are distributed from inside to outside in sequence, the axes of the arc-shaped covers 2 are overlapped and rotationally connected to the test bench 1, the arc-shaped covers 2 do up-and-down reciprocating rotational motion around the axes, the arc-shaped covers 2 with different diameters form test spaces with different sizes on the test bench 1, the left parts of the rectangular frame grooves 3 are butt seal grooves and are arranged on the upper surface of the test bench 1, the right parts of the rectangular frame grooves 3 are butt seal through grooves and penetrate through the test bench 1 from top to bottom, as shown in fig. 10, the left butt seal groove does not penetrate the test bench 1, the right butt seal groove penetrates the test bench 1 up and down to pass through when the arc cover 2 rotates up and down, a limiting fixing component 4 for limiting and fixing the arc cover 2 and a test connecting mechanism 5 connected with a sample machine are connected between the arc cover 2 and the test bench 1, in the process of testing, the sample machine is firstly placed or installed at the center of the test bench 1, then the sample machine is connected with the test connecting mechanism 5, then the corresponding arc cover 2 is selected according to the size of the sample machine, as shown in fig. 4, the arc cover 2 with the largest diameter in fig. 4 is designed to be the arc cover 2, the arc cover 2 is pulled to cover the test bench 1 to form a test space, and the arc cover 2 is limited and fixed through the limiting fixing component 4 to be in the current position, the invention can provide test environments with different temperatures for the life and durability test of the electric vacuum pump according to the requirements, the test result can accurately represent the durability of the actual service life of the electric vacuum pump, and the adaptive test space can be selected scientifically and reasonably according to the size of the electric vacuum pump, so that the waste of energy sources and the increase of economic cost caused by overlarge test space are effectively avoided, or the test space is too small to fully meet the test requirement of the electric vacuum pump, the test device has high flexibility, is very suitable for the use of a third-party detection mechanism for diversification of test products, and the whole test process is simple and easy to operate, and has the advantages of compact structure and space occupation, wherein the test device can observe the conditions of the electric vacuum pump in the arc-shaped space 2.
Referring to fig. 1, 2,3, 4, 5 and 6, the limiting and fixing component 4 corresponds to the arc-shaped cover 2 one by one, and the limiting and fixing component 4 comprises a limiting eave 41, a limiting block 42, a hanging seat 43, a hook 44 and a locking piece 45, wherein the limiting eave 41 is arranged along the edge of the cover opening of the arc-shaped cover 2, the corresponding part of the butt-joint sealing through groove and the limiting eave 41 is in a step shape, as shown in fig. 6, the step-shaped part is used for limiting the limiting eave 41 in the corresponding area on the arc-shaped cover 2, the limiting block 42 is rotationally embedded on the test bench 1 and limiting the reset arc-shaped cover 2 after the test is completed, the hook 44 is rotationally embedded on the corresponding arc-shaped cover 2, the hanging seat 43 is movably embedded on the test bench 1 and is matched with the hook 44, the locking piece 45 is horizontally embedded on the test bench 1 and is used for tensioning the hanging seat 43 and the hook 44 connected together in the test process, the arc-shaped cover 2 rotates upwards and covers the test bench 1, as shown in fig. 2, at the moment, the hook 44 is connected with the hanging seat 43, the hook 44 is tensioned with the hanging seat 43 through the locking piece 45, the limit eave 41 at the edge of the cover opening at the left part of the arc-shaped cover 2 is positioned in the butt joint sealing groove and is sealed and attached with the groove bottom, the limit eave 41 at the edge of the cover opening at the right part of the arc-shaped cover 2 is positioned in the step-shaped part below the butt joint sealing groove and is attached and sealed with the part, as shown in fig. 4, a sealed test space is formed between the arc-shaped cover 2 and the test bench 1, after the test is finished, the locking piece 45 is not tensioned with the hook 44 and the hanging seat 43, at the moment, the hook 44 is separated and the arc-shaped cover 2 is reset until the limit eave 41 at the edge of the cover opening at the left part of the arc-shaped cover 2 is positioned in the step-shaped part above the butt joint sealing groove and is attached and sealed with the part, then the arc-shaped cover 2 is subjected to limit fixing by the limit block 42, the whole process is simple and easy to operate, the tightness and stability of the test environment in the test process are guaranteed, and the stability of the placement of the arc-shaped cover 2 and the tightness of the connection between the arc-shaped cover and the test bench 1 under the non-test condition are guaranteed, so that the tightness and stability of the test space formed when the arc-shaped cover 2 is covered on the test bench 1 due to the fact that the tightness between the arc-shaped cover 2 and the test bench 1 is poor or the placement stability is poor are avoided.
Referring to fig. 1, fig. 2, fig. 5 and fig. 7, the couple 44 is evenly distributed on the arc-shaped cover 2 along the axis of the arc-shaped cover 2, the corresponding distribution of the hanging seat 43 is on the test bench 1 and the hanging seat 43 is in sliding connection with the test bench 1, the locking piece 45 comprises a unified connecting frame 451, the hanging seat 43 is all connected on the unified connecting frame 451, the unified connecting frame 451 is rotationally connected with a threaded column 452, the threaded column 452 is slidingly connected on the test bench 1, the test bench 1 is rotationally connected with a control nut 453, the control nut 453 is in threaded connection with the threaded column 452, the tightness and stability of the connection between the corresponding arc-shaped cover 2 and the corresponding rectangular frame groove 3 are improved through the combined action of the evenly distributed couple 44 and the hanging seat 43, after the couple 44 is connected with the hanging seat 43, the control nut 453 is rotated to drive the threaded column 452 to slide leftwards, the threaded column 452 is synchronously driven by the unified connecting frame 451 to slide leftwards through the unified connecting frame 451 as shown in fig. 2 and fig. 7, and the threaded column 452 is further limited and fixed to the arc-shaped cover 2 through the tensioning of the hanging seat 43 and the couple 44, the connection of the arc-shaped cover 2 is effectively improved, and the whole anti-skid device is easy to rotate, and the whole operation is controlled by the control nut 453 is easy to rotate, and the manual nut 453 is arranged on the side surface.
Referring to fig. 2 and 7, the hook 44 includes a rotating shaft 441, the rotating shaft 441 is elastically connected to the arc-shaped cover 2, the V-shaped hanging head 442 is connected to the rotating shaft 441, a limit lever 443 is rotatably embedded to the arc-shaped cover 2, the limit lever 443 is used for limiting the hanging head 442, when the arc-shaped cover 2 is covered on the test bench 1, the limit lever 443 is rotated to prevent the hanging head 442 from being limited, as shown in fig. 2, the hanging head 442 is rotated outwards under the action of elastic force, so that the worker can conveniently hang the hanging head 442 and the hanging seat 43 together, and after the test is completed, the hanging head 442 and the hanging seat 43 are not hung together any more, at this time, the hanging head 442 is pressed to the arc-shaped cover 2, and then the limit lever 443 is rotated to enable the limit lever 443 to transversely block the outer side of the hanging head 442 to limit the hanging head 442, so that the hanging head 442 is stably embedded on the arc-shaped cover 2, and the rotation of the arc-shaped cover 2 is not affected.
Referring to fig. 3, 6 and 11, the limiting block 42 includes an upper limiting portion, a middle rotating connecting portion and a lower jacking portion, the upper limiting portion and the lower jacking portion are respectively connected to the upper end and the lower end of the middle rotating connecting portion, and are distributed in a staggered manner, when the corresponding test space is not tested, the limiting eave 41 at the edge of the left part of the arc-shaped cover 2 is located in the stepped portion above the butt-joint sealing through groove and is sealed with the portion, as shown in fig. 11, the upper limiting portion of the limiting block 42 is located above the limiting eave 41 and limits the arc-shaped cover 2 through the limiting eave 41, at this time, the arc-shaped cover 2 is located below the upper horizontal plane of the test bench 1, and when the test space is utilized for testing, the limiting block 42 is rotated, the upper limiting portion of the limiting eave 41 is not limited, and then the limiting block 42 is continuously rotated, so that the lower jacking portion of the arc-shaped cover 2 is rotated to the lower side of the limiting eave 41, and the arc-shaped cover 2 is jacked upwards in the rotating process, so that the arc-shaped cover 2 is located above the butt-joint sealing through groove, and is sealed with the portion, as shown in fig. 11, the upper limiting point is provided for manually pulling or the auxiliary pulling cover 2, the force application point is convenient, the arc-shaped cover 2 is pulled, and the corresponding lifting point is shown in the graph, and the lower spherical surface is convenient to rotate.
Referring to fig. 1, 3 and 9, the test connection mechanism 5 includes a test cavity 51 and a plurality of combination connection ends 52, the test cavity 51 is connected to the test bench 1 and is located outside the largest test space, the combination connection ends 52 are in one-to-one correspondence with the arc covers 2, the combination connection ends 52 are respectively located in the corresponding test spaces, the combination connection ports 52 include an air extraction connection port and an air exhaust connection port, the air extraction connection port is in sealed connection with the test cavity 51 through a connection pipe, an exhaust pipe is connected to the air exhaust connection port, the other end of the exhaust pipe is located outside the corresponding test space, in the test process, an electric vacuum pump is started, gas in the test cavity 51 is pumped out through the exhaust pipe, when the air pressure in the test cavity 51 reaches the preset air pressure, at this time, the test cavity 51 starts to return to the air pressure before the air extraction, then the electric vacuum pump is started to perform air extraction, the continuous gap of the electric vacuum pump is continuously repeated, the durability of the electric vacuum pump is tested, the air exhaust port is controlled through a PLC control unit, the air exhaust port is connected to the air exhaust port, a pressure control unit is arranged in the test cavity 51, a pressure control unit is connected to the air exhaust port, and a power supply valve is connected to the air supply valve 52.
Referring to fig. 3, 8 and 9, a plurality of groups of storage frames 6 are rotatably arranged on the test bench 1, the storage frames 6 are in one-to-one correspondence with the combined connection ends 52, as shown in fig. 3, each group of storage frames 6 comprises two storage rods, the storage rods are distributed in a bilateral symmetry manner, the air suction connection ports are arranged on one storage rod, the air discharge connection ports are arranged on the other storage rod, storage grooves 7 corresponding to the storage rods are formed in the test bench 1, when the test space corresponding to the combined connection ends 52 performs test work, before the corresponding arc-shaped cover 2 covers the test bench 1, the storage rods are rotated to enable the corresponding storage grooves 7 to rotate out, the air discharge connection ports are connected with the air discharge ports of the electric vacuum pump, the air suction connection ports are connected with the air suction ports of the electric vacuum pump, when the corresponding test space does not perform test work, the corresponding test space is rotated to store the air suction connection ports in the storage grooves 7, the combined connection ends 52 are further stored in the storage grooves 7, the electric vacuum pump is prevented from being affected, and the combined connection ends 52 are convenient to connect with the electric vacuum pump.
Referring to fig. 8 and 9, the storage rod includes a rectangular storage rod 61 and a rotating seat 63 provided with a connecting post 62, the rectangular storage rod 61 is in a limiting sliding connection with the connecting post 62, the storage groove 7 includes a limiting opening through which the connecting post 62 passes but the rectangular storage rod 61 cannot pass, when the storage rod is rotated out of the storage groove 7 and is in a vertical state, as shown in a lower view in fig. 8, the rectangular storage rod 61 slides down, at this time, the limiting opening on the storage groove 7 limits the rectangular storage rod 61, so that the rectangular storage rod 61 keeps in a vertical state, and when the storage rod rotates in the storage groove 7, the rectangular storage rod 61 is pulled upwards first, so that the connecting post 62 corresponds to the limiting opening, then the storage rod is rotated, the connecting post 62 smoothly passes through the limiting opening in the rotating process, so that the storage rod is reset, convenience of the storage rod rotating process is improved, stability of the rectangular storage rod 61 in the vertical state is improved, and stability of the connection state of the combined connecting end 52 is correspondingly improved.
In addition, the invention also provides a service life durability test method of the electric vacuum pump, which comprises the following steps:
S1, placing or installing a prototype on a test bench 1, and selecting a corresponding arc-shaped cover 2 according to the size of the prototype;
S2, covering the selected arc-shaped cover 2 on the test bench 1 to form a sealed test space, controlling the temperature in the test space through a temperature control system, starting a prototype to continuously and circularly work in a discontinuous operation mode, collecting corresponding data in the working process, and analyzing the collected data to obtain a result, wherein the temperature control system is arranged on the arc-shaped cover 2.
And S3, after the test is completed, the arc-shaped cover 2 is reset, and then the prototype is taken down.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An electric vacuum pump life durability test system, characterized in that: the test bench comprises a test bench (1), wherein a prototype is placed or installed on the test bench (1);
A plurality of arc-shaped covers (2) with different diameters and a plurality of rectangular frame grooves (3) with different sizes are arranged on the test table (1), the rectangular frame grooves (3) are in one-to-one correspondence with the arc-shaped covers (2), and the arc-shaped covers and the rectangular frame grooves are equally divided into a left part and a right part;
the arc covers (2) are distributed from inside to outside in sequence from small to large in diameter, the axes of the arc covers (2) are overlapped, and the arc covers (2) with different diameters form test spaces with different sizes on the test bench (1);
The left part of the rectangular frame groove (3) is a butt joint sealing groove and is arranged on the upper surface of the test bench (1), the right part of the rectangular frame groove (3) is a butt joint sealing through groove and penetrates through the test bench (1) from top to bottom, in the test process, the corresponding arc-shaped cover (2) rotates from bottom to top to cover the test bench (1) through the butt joint sealing through groove and is in sealing connection with the corresponding rectangular frame groove (3), and after the test is completed, the arc-shaped cover (2) rotates and resets, and at the moment, the left part of the arc-shaped cover (2) is in sealing connection with the butt joint sealing through groove;
A limiting and fixing assembly (4) for limiting and fixing the arc-shaped cover (2) and a test connection mechanism (5) connected with the sample machine are connected between the arc-shaped cover (2) and the test table (1);
The limiting and fixing assembly (4) corresponds to the arc-shaped cover (2) one by one, the limiting and fixing assembly (4) comprises limiting eaves (41), limiting blocks (42), hanging seats (43), hooks (44) and locking pieces (45), the limiting eaves (41) are arranged along the edges of the cover openings of the arc-shaped cover (2), the corresponding parts of the butt-joint sealing through grooves and the limiting eaves (41) are in a step shape, the limiting blocks (42) are rotationally embedded on the test table (1) and are rotationally embedded on the corresponding arc-shaped cover (2) after the test is completed, the hanging seats (43) are movably embedded on the test table (1) and are matched with the hanging hooks (44), the locking pieces (45) are horizontally embedded on the test table (1), and the locking pieces (45) are used for tensioning the hanging seats (43) and the hooks (44) which are connected together;
The test connection mechanism (5) comprises a test cavity (51) and a plurality of combined connection ends (52), the test cavity (51) is connected to the test bench (1) and is located outside the largest test space, the combined connection ends (52) are in one-to-one correspondence with the arc-shaped covers (2), the combined connection ends (52) comprise air exhaust connectors and air exhaust connectors, the air exhaust connectors are connected with the test cavity (51) in a sealing manner through connecting pipes, an exhaust pipe is connected to the air exhaust connectors, and the other end of the exhaust pipe is located outside the corresponding test space;
In the testing process, firstly, a prototype is placed or installed at the center of a test bench (1), then the prototype is connected with a test connection mechanism (5), then a corresponding arc-shaped cover (2) is selected according to the size of the prototype, the arc-shaped cover (2) is pulled to cover the test bench (1) to form a test space, the arc-shaped cover (2) is limited and fixed through a limiting and fixing assembly (4), the arc-shaped cover (2) is stably positioned at the current position, the tightness of connection between the arc-shaped cover (2) and a corresponding rectangular frame groove (3) is improved, at the moment, the prototype is positioned in the corresponding test space, the temperature of the corresponding test space is controlled according to the test requirement, and then the prototype is started to start the test.
2. The electric vacuum pump life durability test system of claim 1 wherein: couple (44) are evenly distributed on arc cover (2) along the axis of arc cover (2), hang the distribution that seat (43) corresponds on testboard (1) and hang seat (43) and testboard (1) sliding connection, retaining member (45) are including unified link (451), hang seat (43) all to connect on unified link (451), rotate on unified link (451) and be connected with screw thread post (452), screw thread post (452) sliding connection is on testboard (1), rotate on testboard (1) and be connected with control nut (453), control nut (453) and screw thread post (452) threaded connection.
3. The electric vacuum pump life durability test system of claim 1 wherein: the test bench (1) is provided with the storage rack (6) in a rotating mode, the storage rack (6) corresponds to the combined connecting ends (52) one by one, the storage rack (6) comprises two storage rods, the storage rods are distributed symmetrically left and right, the air exhaust connecting ports are arranged on one storage rod, the air exhaust connecting ports are arranged on the other storage rod, and the test bench (1) is provided with storage grooves (7) corresponding to the storage rods.
4. A life durability testing system for an electric vacuum pump according to claim 3, wherein: the hook (44) comprises a rotating shaft (441), the rotating shaft (441) is elastically connected to the arc-shaped cover (2) in a rotating mode, the rotating shaft (441) is connected with a V-shaped hanging head (442), the arc-shaped cover (2) is rotationally embedded with a limiting rod (443), and the limiting rod (443) is used for limiting the hanging head (442).
5. The electric vacuum pump life durability test system of claim 4 wherein: the storage rod comprises a rectangular storage rod (61) and a rotating seat (63) provided with a connecting column (62), wherein the rectangular storage rod (61) is in limiting sliding connection with the connecting column (62), and the storage groove (7) comprises a limiting opening through which the connecting column (62) passes but the rectangular storage rod (61) cannot pass.
6. A life durability test system for an electric vacuum pump according to claim 1 or 2, wherein: the limiting block (42) comprises an upper limiting part, a middle rotation connecting part and a lower jacking part, wherein the upper limiting part and the lower jacking part are respectively connected with the upper end and the lower end of the middle rotation connecting part, and the upper limiting part and the lower jacking part are distributed in a staggered manner.
7. A life durability test method of an electric vacuum pump is characterized in that: the method for testing the service life durability of the electric vacuum pump by adopting the electric vacuum pump life durability testing system as claimed in claim 1 comprises the following steps:
s1, placing or installing a prototype on a test bench (1), and selecting a corresponding arc-shaped cover (2) according to the size of the prototype;
S2, covering the selected arc-shaped cover (2) on the test table (1) to form a sealed test space, controlling the temperature in the test space through a temperature control system, and starting a prototype to test;
and S3, after the test is finished, the arc-shaped cover (2) is reset, and then the prototype is taken down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211261476.1A CN115524108B (en) | 2022-10-14 | 2022-10-14 | System and method for testing service life and durability of electric vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211261476.1A CN115524108B (en) | 2022-10-14 | 2022-10-14 | System and method for testing service life and durability of electric vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115524108A CN115524108A (en) | 2022-12-27 |
| CN115524108B true CN115524108B (en) | 2024-04-26 |
Family
ID=84700667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211261476.1A Active CN115524108B (en) | 2022-10-14 | 2022-10-14 | System and method for testing service life and durability of electric vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115524108B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206710094U (en) * | 2017-03-28 | 2017-12-05 | 马鞍山华东回转支承有限公司 | Pivoting support test device that is a kind of while meeting a variety of different dimensions |
| CN109707614A (en) * | 2019-02-21 | 2019-05-03 | 上海拓绅汽车电子有限公司 | A kind of electric vacuum pump service life durability test equipment and its application method |
| CN214837056U (en) * | 2021-06-29 | 2021-11-23 | 安徽京联汽车科技有限公司 | Multi-station electric vacuum pump working durability test bed |
| CN215726675U (en) * | 2021-08-11 | 2022-02-01 | 南京邦令电子科技有限公司 | Electronic product durability test platform |
| CN216310214U (en) * | 2021-07-21 | 2022-04-15 | 上海宝时达汽车科技有限公司 | Motor test bench for electronic vacuum pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8479597B2 (en) * | 2011-04-29 | 2013-07-09 | Michael B. Pickel | Thermal test chamber |
-
2022
- 2022-10-14 CN CN202211261476.1A patent/CN115524108B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206710094U (en) * | 2017-03-28 | 2017-12-05 | 马鞍山华东回转支承有限公司 | Pivoting support test device that is a kind of while meeting a variety of different dimensions |
| CN109707614A (en) * | 2019-02-21 | 2019-05-03 | 上海拓绅汽车电子有限公司 | A kind of electric vacuum pump service life durability test equipment and its application method |
| CN214837056U (en) * | 2021-06-29 | 2021-11-23 | 安徽京联汽车科技有限公司 | Multi-station electric vacuum pump working durability test bed |
| CN216310214U (en) * | 2021-07-21 | 2022-04-15 | 上海宝时达汽车科技有限公司 | Motor test bench for electronic vacuum pump |
| CN215726675U (en) * | 2021-08-11 | 2022-02-01 | 南京邦令电子科技有限公司 | Electronic product durability test platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115524108A (en) | 2022-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109342124A (en) | A kind of gas sampling detection device for laboratory | |
| CN115524108B (en) | System and method for testing service life and durability of electric vacuum pump | |
| CN207516289U (en) | A kind of rotary heat pipe temperature difference automatic testing equipment | |
| CN116007927A (en) | Sealing performance detection table for electric control valve of automobile air conditioner compressor | |
| CN114397076B (en) | Clamp for vibration endurance test of air conditioner compressor | |
| CN208805321U (en) | A kind of hydraulic part platform position fast replacing device | |
| CN212181001U (en) | Withstand voltage test device of three-phase electronic type electric energy meter | |
| CN203629750U (en) | Watertight test machine | |
| CN211755207U (en) | Test tube colorimetric stand for chemical reagent | |
| CN214173726U (en) | Tap frock clamp | |
| CN208224011U (en) | Hydraulic plunger type super-pressure adsorption test device | |
| CN208688747U (en) | Kettle leakage inspector | |
| CN208384047U (en) | A kind of wire and cable tracking test machine | |
| CN201034828Y (en) | Flow quantity proportion valve frequency plot testing device | |
| CN210037109U (en) | Valve seal detection device | |
| CN208465300U (en) | The multi-joint automatic control vacuum filtering system in laboratory | |
| CN108827548A (en) | Kettle leakage inspector and its detection method | |
| CN213792469U (en) | Quick rubber coating device of metal framework | |
| CN106404546B (en) | A kind of waterproof testing machine | |
| CN204332391U (en) | The leak detection system of fuel rod bubbles of vacuum method leak hunting box and formation thereof after irradiation | |
| CN213874574U (en) | Water meter performance test board | |
| CN220206987U (en) | Pressure testing device for downhole tool | |
| CN216978753U (en) | Rock end face sealing and fluid injection structure | |
| CN218452973U (en) | Pneumatic fixture convenient to install and used for manipulator | |
| CN213828647U (en) | Positioning device for air compressor production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |