CN115524108A - System and method for testing service life durability of electric vacuum pump - Google Patents
System and method for testing service life durability of electric vacuum pump Download PDFInfo
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Abstract
The invention provides a system and a method for testing service life durability of an electric vacuum pump, belonging to the technical field of testing service life durability of vacuum pumps. According to the system and the method for testing the service life durability of the electric vacuum pump, the adaptive test space is scientifically and reasonably selected according to the size of the electric vacuum pump, the waste of energy and the increase of economic cost caused by the 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 system and the method have high flexibility, the whole test process is simple and easy to operate, and secondly, the arc cover in a non-working state is folded and unfolded under the action of the rectangular frame groove, so that the compactness of the whole structure is improved, and the space occupancy rate is reduced.
Description
Technical Field
The invention relates to the technical field of testing the service life durability of vacuum pumps, in particular to a system and a method for testing the service life durability of an electric vacuum pump.
Background
The service life durability test of the electric vacuum pump usually needs to consume huge time cost and economic cost, common enterprises send a prototype to a third-party testing mechanism for testing, and the third-party testing mechanism tests the service life durability of the prototype and issues a test report according to a test result.
At present, the durability test of the service life of the electric vacuum pump is usually carried out in a normal-temperature environment, but the durability test of the service life of the electric vacuum pump in a simple normal-temperature environment cannot accurately reflect the durability of the actual service life of the electric vacuum pump because the temperature state of the actual service environment of the electric vacuum pump is very complex and not only has a normal-temperature state, but also has a high-temperature, low-temperature and high-low temperature cycle alternating state.
Chinese patent publication No. CN109707614A discloses an apparatus and method for testing durability of life of an electric vacuum pump, in which a temperature box is used to provide low-temperature, normal-temperature, and high-temperature testing environments for a sample to test the sample, but because the range of the size difference of the electric vacuum pump is large, when the same temperature box is used to test the durability of life of electric vacuum pumps with different sizes, a large amount of unnecessary energy consumption is generated while maintaining the temperature of the testing environment for an electric vacuum pump with a small size, and because the testing time is long, higher economic cost is additionally generated.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a system for testing the durability of the life of an electric vacuum pump, which is achieved by the following specific technical means: the test bench comprises a test bench, a prototype is placed or installed on the test bench, a plurality of arc covers with different diameters and a plurality of rectangular frame grooves with different sizes are arranged on the test bench, the rectangular frame grooves correspond to the arc covers one to one, the arc covers are divided into a left part and a right part, the diameters of the arc covers are distributed from inside to outside in sequence, the axes of the arc covers coincide, test spaces with different sizes are formed on the test bench by the arc covers with different diameters, the left part of each rectangular frame groove is a butt joint sealing groove and is arranged on the upper surface of the test bench, the right part of each rectangular frame groove is a butt joint sealing through groove and penetrates through the test bench from top to bottom, in the test process, the corresponding arc cover rotates from bottom to top through the butt joint sealing to be directly covered on the test bench and is connected with the corresponding rectangular frame groove in a sealing mode, after the test is completed, the arc cover rotates to reset, at the moment, the left part of the arc cover is connected with the butt joint sealing through groove in a sealing mode, and a limiting fixing component for limiting and a test connection mechanism connected with the prototype are connected between the arc cover.
The first preferred technical scheme is as follows: spacing fixed subassembly and arc cover one-to-one, and spacing fixed subassembly includes spacing eaves, the stopper, hang the seat, couple and retaining member, spacing eaves sets up along the cover mouth edge of arc cover, butt joint sealing through groove is the step form with the corresponding part of spacing eaves, the stopper rotates the tie and inlays on the testboard and after the test is accomplished, the couple rotates to be rabbeted on corresponding arc cover, it inlays on the testboard to hang the seat activity tie, and use with the couple cooperation, the retaining member tie inlays on the testboard, and be used for the tensioning to link together hang seat and couple.
The preferred technical scheme is as follows: the couple covers along the axis evenly distributed of arc cover on the arc, hangs the distribution that the seat corresponds and hangs 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 to be connected with the screw thread post, and screw thread post sliding connection rotates on the testboard, and it is connected with control nut, control nut and screw thread post threaded connection to rotate on the testboard.
The preferred technical scheme is three: the test connection mechanism comprises a test cavity and a plurality of combined connection ends, the test cavity is connected to the test board and located outside the largest test space, the combined connection ends are in one-to-one correspondence with the arc covers, the combined connection port comprises an air suction connection port and an air exhaust connection port, the air suction connection port is connected with the test cavity through a connection pipe in a sealing mode, an exhaust pipe is connected to the air exhaust connection port, and the other end of the exhaust pipe is located outside the corresponding test space.
The preferable technical scheme is four: the storage rack is arranged on the test board in a rotating mode and corresponds to the combined connecting ends one to one, the storage rack comprises two storage rods, the storage rods are symmetrically distributed in the left and right direction, the air suction connecting port is arranged on one of the storage rods, the exhaust connecting port is arranged on the other storage rod, and the storage grooves corresponding to the storage rods are formed in the test board.
The preferred technical scheme is five: the couple includes the pivot, and pivot elasticity rotates to be connected on the arc covers, is connected with the hanging head of V font in the pivot, and the arc covers to rotate to scarf joint a gag lever post, and the gag lever post is used for spacing to hanging the head.
The preferred technical scheme is six: accomodate the pole and include that the rectangle accomodates the pole and be provided with the rotation seat of spliced pole, the spacing sliding connection of pole is accomodate to the rectangle on the spliced pole, accomodates the groove including supplying the spliced pole to pass through but the spacing mouth that the pole can't pass through is accomodate to the rectangle.
The preferable technical scheme is seven: the stopper includes upper limit portion, middle rotation connecting portion and lower jack-up portion, and upper limit portion and lower jack-up portion connect respectively in the middle upper and lower both ends of rotating connecting portion, and the two distributes that staggers.
A method for testing the service life durability of an electric vacuum pump is completed by matching an electric vacuum pump service life durability testing system, and comprises the following steps:
s1, placing or installing a prototype on a test board, and selecting a corresponding arc cover according to the size of the prototype;
and S2, covering the selected arc cover on the test board 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, resetting the arc cover and taking down the sample machine.
The invention has the following beneficial effects: 1. according to the system and the method for testing the service life durability of the electric vacuum pump, test spaces with different sizes are formed by arranging the arc-shaped covers with different diameters and the test board, in the test process, the adaptive test spaces are scientifically and reasonably selected according to the size of the electric vacuum pump, the energy waste and the economic cost increase caused by the 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 system and the method have high flexibility, are very suitable for being used by a third-party detection mechanism for testing product diversification, are simple and easy to operate in the whole test process, and are combined with the action of the rectangular frame groove to fold and unfold the arc-shaped covers in a non-working state, so that the compactness of the whole structure is improved, and the space occupancy rate of the system and the method is reduced.
2. According to the system and the method for testing the service life durability of the electric vacuum pump, the lower arc cover in the working state and the arc cover in the non-working state are respectively limited and fixed through the limiting and fixing component, so that the sealing performance and the stability of a testing environment in the testing process are ensured, and meanwhile, under the non-testing condition, the stability of placing the arc cover and the sealing performance of connection between the arc cover and the testing platform are ensured, and the sealing performance or the stability of a testing space formed when other corresponding arc covers are placed on the testing platform due to the poor sealing performance or poor placing stability between the arc cover and the testing platform are avoided.
3. The system and the method for testing the service life durability of the electric vacuum pump jack the arc cover in advance through the combined action of the upper limiting part, the middle rotating connecting part and the lower jacking part before the arc cover is pulled, and accordingly the convenience of operation is improved.
4. According to the system and the method for testing the service life durability of the electric vacuum pump, the combined connecting end is controlled through the containing frame and is contained in the containing groove when the corresponding testing space does not perform testing work, so that the combined connecting end is conveniently connected with the electric vacuum pump, and meanwhile, the combined connecting end can be effectively prevented from influencing the placement of the electric vacuum pump.
5. According to the system and the method for testing the service life durability of 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 containing rod, the connecting column, the rotating seat and the limiting port.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention during the testing process.
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 present invention during a non-test procedure.
Fig. 4 is a partial sectional structural schematic view of the present invention.
Fig. 5 is an enlarged view of the invention at B in fig. 4.
Fig. 6 is an enlarged view of the invention at C in fig. 4.
Fig. 7 is a schematic view showing the structure of the locker 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 receiving rack and the connecting section of the present invention.
Fig. 10 is a schematic structural diagram of the working state and the non-working state of the arc-shaped cover of the invention.
Fig. 11 is a schematic structural view of the limiting block of the present invention.
In the figure: 1. a test bench; 2. an arc-shaped cover; 3. a rectangular frame groove; 4. a limiting and fixing component; 41. a limiting eave; 42. a limiting block; 43. hanging a seat; 44. hooking; 441. a rotating shaft; 442. hanging a head; 443. a limiting rod; 45. a locking member; 451. unifying the connecting frames; 452. a threaded post; 453. a control nut; 5. testing the connection mechanism; 51. a test chamber; 52. a combined connecting end; 6. a storage rack; 61. a rectangular receiving rod; 62. connecting columns; 63. rotating the base; 7. a receiving groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, 3, 4 and 10, a life durability test system for an electric vacuum pump comprises a test platform 1, wherein a prototype is placed or installed on the test platform 1, three arc-shaped covers 2 with different diameters and three rectangular frame grooves 3 with different sizes are arranged on the test platform 1, the rectangular frame grooves 3 correspond to the arc-shaped covers 2 one by one and are divided into a left part and a right part, the arc-shaped covers 2 are distributed from inside to outside in sequence from small to large in diameter, the axes of the arc-shaped covers 2 are coincident and rotationally connected to the test platform 1, the arc-shaped covers 2 reciprocate up and down around the axes, the arc-shaped covers 2 with different diameters form test spaces with different sizes on the test platform 1, the left part of the rectangular frame grooves 3 are butt seal grooves and are arranged on the upper surface of the test platform 1, the right part of the rectangular frame grooves 3 are butt seal through grooves and penetrate through the test platform 1 from top to bottom, as shown in figure 10, the butt joint sealing groove at the left part does not penetrate through the test bench 1, the butt joint sealing through groove at the right part penetrates through the test bench 1 up and down for the arc-shaped cover 2 to pass through when rotating up and down, a limiting fixing component 4 for limiting and fixing the arc-shaped cover 2 and a test connecting mechanism 5 connected with a prototype are connected between the arc-shaped cover 2 and the test bench 1, during the test, the prototype is placed or installed at the central position of the test bench 1, then the prototype is connected with the test connecting mechanism 5, then the corresponding arc-shaped cover 2 is selected according to the size of the prototype, as shown in figure 4, the arc-shaped cover 2 corresponding to the prototype is designed to be the arc-shaped cover 2 with the largest diameter in figure 4, the arc-shaped cover 2 is pulled to cover on the test bench 1 to form a test space, and the arc-shaped cover 2 is limited and fixed through the limiting fixing component 4 to be stably positioned at the current position, the invention can not only provide test environments with different temperatures for the life durability test of the electric vacuum pump according to the requirement, so that the test result can accurately reflect the durability of the actual service life of the electric vacuum pump, but also scientifically and reasonably select the adaptive test space according to the size of the electric vacuum pump, thereby effectively avoiding the energy waste and the economic cost increase caused by the overlarge test space, or the test space is too small to fully meet the test requirement of the electric vacuum pump, having high flexibility, being very suitable for being used by a third-party detection mechanism for testing product diversification, and having the advantages of compact structure and low space occupancy rate, wherein the arc cover 2 can be conveniently arranged on the arc cover, so that the test space can be conveniently observed to observe the internal test condition.
Referring to fig. 1, 2, 3, 4, 5 and 6, the limiting fixing component 4 corresponds to the arc-shaped cover 2 one by one, and the limiting fixing component 4 includes a limiting ledge 41, a limiting block 42, a hanging seat 43, a hook 44 and a locking member 45, the limiting ledge 41 is disposed along the edge of the cover opening of the arc-shaped cover 2, the part of the butt-joint sealing through groove corresponding to the limiting ledge 41 is stepped, as shown in fig. 6, the stepped part is used for limiting the limiting ledge 41 in the corresponding area on the arc-shaped cover 2, the limiting block 42 is horizontally embedded on the test bench 1 in a rotating manner and limits the reset arc-shaped cover 2 after the test is completed, the hook 44 is embedded on the corresponding arc-shaped cover 2 in a rotating manner, the hanging seat 43 is movably embedded on the test bench 1 and is used in cooperation with the hook 44, the locking member 45 is horizontally embedded on the test bench 1 and is used for tensioning the hanging seat 43 and the hook 44 which are connected together, during the test, the arc cover 2 rotates upwards and covers the test bench 1, as shown in fig. 2, at this time, the hook 44 is connected with the hanging seat 43, and the hook 44 and the hanging seat 43 are tensioned by the locking piece 45, so that the limiting eave 41 at the left part cover opening edge of the arc cover 2 is positioned in the butt joint sealing groove and is in sealing fit with the groove bottom, the limiting eave 41 at the right part cover opening edge of the arc cover 2 is positioned in the step-shaped part below the butt joint sealing through groove and is in sealing fit with the part, as shown in fig. 4, a sealed test space is formed between the arc cover 2 and the test bench 1, after the test is completed, the locking piece 45 is not positioned between the tensioning hook 44 and the hanging seat 43, at this time, the arc cover 2 is separated and reset until the limiting eave 41 at the left part cover opening edge of the arc cover 2 is positioned in the step-shaped part above the butt joint sealing through groove and is in sealing fit with the part, then the limiting piece 42 is used for limiting and fixing the arc cover 2, whole process is simple easy to operate, and has both guaranteed test environment's leakproofness and stability in the test process, has guaranteed again simultaneously under the non-test condition, the stability of placing arc cover 2 and with testboard 1 between the leakproofness be connected, avoid arc cover 2 and testboard 1 between the leakproofness poor or place the poor stability and influence other corresponding arc cover 2 sealings leakproofness and the stability of test space that form when on testboard 1.
Referring to fig. 1, fig. 2, fig. 5 and fig. 7, hooks 44 are uniformly distributed on arc cover 2 along the axis of arc cover 2, hooks 43 are distributed on test board 1 correspondingly and hooks seat 43 and test board 1 slidably connected, locking member 45 includes unified connecting frame 451, hooks 43 are connected on unified connecting frame 451, threaded column 452 is rotatably connected on unified connecting frame 451, threaded column 452 is slidably connected on test board 1, control nut 453 is rotatably connected on test board 1, control nut 453 is in threaded connection with threaded column 452, as shown in fig. 1 and fig. 7, through the combined action of hooks 44 and hooks 43 uniformly distributed, the sealing performance and stability of connection between corresponding arc cover 2 and corresponding rectangular frame groove 3 are improved, when hooks 44 and hooks 43 are connected together, rotation of control nut 453 drives threaded column 452 to slide leftward, as shown in fig. 2 and fig. 7, threaded column 452 drives hooks 43 to slide leftward through unified connecting frame 451 synchronously, and further, hooks 43 and hooks 44 are fixed together through tensioning hooks 43, arc cover 2 and hooks 2 are effectively improved, and the stability of connection of arc cover 2 and sealing is improved, and the sealing operation of nut connection is easily performed, and the whole external shaft is provided with an anti-slip control layer 453, and the anti-slip control layer is easily controlled by manual operation.
Referring to fig. 2 and 7, the hook 44 includes a rotating shaft 441, the rotating shaft 441 is elastically and rotatably connected to the arc-shaped cover 2, the rotating shaft 441 is connected to a V-shaped hanging head 442, the arc-shaped cover 2 is rotatably embedded with a limiting rod 443, the limiting rod 443 is used for limiting the hanging head 442, after the arc-shaped cover 2 is covered on the test platform 1, the limiting rod 443 is rotated to prevent the hanging head 442 from being limited, as shown in fig. 2, at this time, the hanging head 442 is rotated outwards under the action of elastic force, so that a worker can conveniently hang the hanging head 442 with the hanging seat 43, and after the test is completed, the hanging head 442 and the hanging seat 43 are no longer hung together, at this time, the hanging head 442 is pressed towards the arc-shaped cover 2, and then the limiting rod 443 is rotated to laterally block the outer side of the hanging head 442 to limit the hanging head 442, so that the hanging head 442 is stably embedded in the arc-shaped cover 2 without affecting the rotation of the arc-shaped cover 2.
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 the upper limiting portion and the lower jacking portion are distributed in a staggered manner, when no test work is performed in a corresponding test space, the limiting eave 41 at the edge of the left portion of the arc cover 2 is located in the step-shaped portion above the butt-joint sealing through groove and is in fit sealing with the step-shaped 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 cover 2 through the limiting eave 41, at this time, the arc cover 2 is located below the upper horizontal plane of the test board 1, when the test work is performed in the test space, the limiting block 42 is rotated, the upper limiting portion of the limiting eave is not limited by the limiting eave 41, then the lower jacking portion of the limiting eave is rotated to the lower portion of the limiting eave 41, the arc cover 2 is jacked upwards in the rotating process, so that a part of the arc cover 2 is located above the horizontal plane of the test board 1, which is pulled by a worker or a tool, thereby providing a convenient operation point, and the arc cover 2, and the convenient operation of the arc cover is shown in the drawing, and the convenient operation of the drawing of the arc cover 2.
Referring to fig. 1, 3 and 9, the test connection mechanism 5 includes a test cavity 51 and a plurality of combined connection ends 52, the test cavity 51 is connected to the test board 1 and 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 are respectively located in the corresponding test spaces, the combined connection ports 52 include an air suction connection port and an air discharge connection port, the air suction connection port is hermetically connected to the test cavity 51 through a connection pipe, an air discharge pipe is connected to the air discharge connection port, the other end of the air discharge pipe is located outside the corresponding test space, during the test, the electric vacuum pump is started to extract air in the test cavity 51, the extracted air is discharged from the air discharge pipe, when the air pressure in the test cavity 51 reaches a preset air pressure, the electric vacuum pump stops working, at this time, the test cavity 51 starts to return air until the air pressure is restored to the air pressure before air suction, then the electric vacuum pump is started to perform air suction, the electric vacuum pump continuously and continuously repeats the steps to operate, thereby testing the durability of the service life of the electric vacuum pump, and the control process can be controlled by a PLC control unit, a pressure value of the PLC connection pipe and a connection pipe is set for controlling whether the air discharge connection port and a pressure value of the air discharge pipe 52 is set on/off connection port, wherein the PLC control unit, and a power supply signal control unit is set.
Referring to fig. 3, 8 and 9, a plurality of groups of storage frames 6 are rotatably disposed on the test platform 1, the storage frames 6 are in one-to-one correspondence with the combined connecting ends 52, as shown in fig. 3, each group of storage frames 6 includes two storage rods, the storage rods are symmetrically distributed in the left-right direction, the air suction connecting port is disposed on one storage rod, the exhaust connecting port is disposed on the other storage rod, the storage groove 7 corresponding to the storage rod is formed in the test platform 1, when the test space corresponding to the combined connecting end 52 performs the test operation, before the corresponding arc cover 2 covers the test platform 1, the storage rod is rotated to be rotated out of the corresponding storage groove 7, the exhaust connecting port is connected with the exhaust port of the electric vacuum pump, and the air suction connecting port is connected with the air suction port of the electric vacuum pump, when the corresponding test space does not perform the test operation, the storage rod is rotated to be stored in the storage groove 7, and the combined connecting end 52 is further stored in the storage groove 7, thereby preventing the electric vacuum pump from being influenced by the combined connecting end 52 and facilitating the connection with the electric vacuum pump.
Referring to fig. 8 and 9, the accommodating rod includes a rectangular accommodating rod 61 and a rotating seat 63 provided with the connecting rod 62, the rectangular accommodating rod 61 is connected to the connecting rod 62 in a limiting sliding manner, the accommodating groove 7 includes a limiting opening through which the connecting rod 62 can pass but the rectangular accommodating rod 61 cannot pass, when the accommodating rod is rotated out from the accommodating groove 7 and is in a vertical state, as shown in the view of the lower side in fig. 8, the rectangular accommodating rod 61 is slid down, at this time, the limiting opening in the accommodating groove 7 limits the rectangular accommodating rod 61, so that the rectangular accommodating rod 61 is kept in a vertical state, when the accommodating rod rotates in the accommodating groove 7 first, the rectangular accommodating rod 61 is pulled upwards first, so that the connecting rod 62 corresponds to the limiting opening, then the accommodating rod is rotated, and the connecting rod 62 smoothly passes through the limiting opening in the rotating process, so that the accommodating rod is reset is completed, which not only improves the convenience of the rotating process of the accommodating rod, but also improves the stability of the rectangular accommodating rod 61 in the vertical state, and correspondingly improves the stability of the connecting state of the combined connecting end 52.
In addition, the invention also provides a method for testing the service life durability 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;
and S2, covering the selected arc-shaped cover 2 on the test board 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 an intermittent operation mode, acquiring corresponding data in the working process, and analyzing the acquired data to obtain a result, wherein the temperature control system is arranged on the arc-shaped cover 2.
And S3, after the test is finished, resetting the arc cover 2 and taking down the sample machine.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an electric vacuum pump life durability test system which characterized in that: the device comprises a test board (1), wherein a model machine is placed or installed on the test board (1);
the test bench (1) is provided with a plurality of arc-shaped covers (2) with different diameters and a plurality of rectangular frame grooves (3) with different sizes, the rectangular frame grooves (3) correspond to the arc-shaped covers (2) one by one, and the rectangular frame grooves and the arc-shaped covers are divided into a left part and a right part;
the arc-shaped covers (2) are distributed from inside to outside in sequence from small to large in diameter, the axes of the arc-shaped covers (2) are overlapped, and the arc-shaped covers (2) with different diameters cover the test bench (1) to form test spaces with different sizes;
the left part of the rectangular frame groove (3) is a butt-joint sealing groove and is formed in the upper surface of the test board (1), the right part of the rectangular frame groove (3) is a butt-joint sealing through groove and penetrates through the test board (1) from top to bottom, in the test process, the corresponding arc cover (2) rotates from bottom to top through the butt-joint sealing through groove and is directly covered on the test board (1) and is in sealing connection with the corresponding rectangular frame groove (3), after the test is completed, the arc cover (2) rotates to reset, and at the moment, the left part of the arc cover (2) is in sealing connection with the butt-joint sealing through groove;
a limiting fixing component (4) for limiting and fixing the arc cover (2) and a test connecting mechanism (5) connected with a prototype are connected between the arc cover (2) and the test bench (1).
2. The system for testing service life and durability of an electric vacuum pump according to claim 1, wherein: spacing fixed subassembly (4) and arc cover (2) one-to-one, and spacing fixed subassembly (4) are including spacing eaves (41), stopper (42), hang seat (43), couple (44) and retaining member (45), spacing eaves (41) are along the cover mouth edge setting of arc cover (2), the sealed logical groove of butt joint is the step form with the corresponding part of spacing eaves (41), stopper (42) rotate the tie inlay on testboard (1) and after the test is accomplished, couple (44) rotate the scarf joint on corresponding arc cover (2), hang seat (43) activity tie inlay on testboard (1), and use with couple (44) cooperation, retaining member (45) tie inlays on testboard (1), and be used for tensioning linking together hang seat (43) and couple (44).
3. The system for testing service life and durability of an electric vacuum pump according to claim 2, wherein: couple (44) cover the axis evenly distributed of (2) along the arc on arc cover (2), hang the distribution that seat (43) corresponds and hang seat (43) and testboard (1) sliding connection on testboard (1), retaining member (45) are including unifying link (451), it all connects on unifying link (451) to hang seat (43), it is connected with screw thread post (452) to rotate on unifying link (451), screw thread post (452) sliding connection is on testboard (1), it is connected with control nut (453) to rotate on testboard (1), control nut (453) and screw thread post (452) threaded connection.
4. The system of claim 1, wherein the system comprises: 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 located outside the largest test space, the combined connection ends (52) correspond to the arc covers (2) one to one, each combined connection port (52) comprises an air suction connection port and an air exhaust connection port, the air suction connection ports are connected with the test cavity (51) 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 space.
5. The system for testing service life and durability of an electric vacuum pump according to claim 4, wherein: the automatic storage device is characterized in that a storage frame (6) is arranged on the test board (1) in a rotating mode, the storage frame (6) corresponds to the combined connecting ends (52) one by one, the storage frame (6) comprises two storage rods, the storage rods are distributed in a bilateral symmetry mode, the air suction connecting port is arranged on one of the storage rods, the exhaust connecting port is arranged on the other storage rod, and a storage groove (7) corresponding to the storage rods is formed in the test board (1).
6. An electric vacuum pump life durability test system according to claim 2 or 3, characterized in that: couple (44) are including pivot (441), and pivot (441) elasticity is rotated and is connected on arc cover (2), is connected with hanging head (442) of V font on pivot (441), rotates on arc cover (2) and scarf joint spacing pole (443), and spacing pole (443) are used for spacing hanging head (442).
7. The system for testing service life and durability of an electric vacuum pump according to claim 5, wherein: accomodate the pole and include that the rectangle accomodates pole (61) and be provided with rotation seat (63) of spliced pole (62), the spacing sliding connection of rectangle accomodate pole (61) is on spliced pole (62), accomodates groove (7) including supplying spliced pole (62) to pass through but the spacing mouth that rectangle accomodate pole (61) can't pass through.
8. An electric vacuum pump life durability test system according to claim 2 or 3, characterized in that: the limiting block (42) 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 to 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 mode.
9. A method for testing the service life durability of an electric vacuum pump is characterized by comprising the following steps: the method is completed by matching an electric vacuum pump service life durability test system, and comprises the following steps:
s1, placing or installing a prototype on a test bench (1), and selecting a corresponding arc cover (2) according to the size of the prototype;
s2, covering the selected arc cover (2) on the test board (1) to form a sealed test space, controlling the temperature in the test space through a temperature control system, and starting a prototype machine for testing;
and S3, after the test is finished, the arc cover (2) is reset, and then the sample machine is taken down.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120297904A1 (en) * | 2011-04-29 | 2012-11-29 | Pickel Michael B | Thermal test chamber |
| 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 |
-
2022
- 2022-10-14 CN CN202211261476.1A patent/CN115524108B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120297904A1 (en) * | 2011-04-29 | 2012-11-29 | Pickel Michael B | Thermal test chamber |
| 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 |
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