CN115992821B - Motor water pump performance test equipment and test method thereof - Google Patents
Motor water pump performance test equipment and test method thereof Download PDFInfo
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- CN115992821B CN115992821B CN202310287793.9A CN202310287793A CN115992821B CN 115992821 B CN115992821 B CN 115992821B CN 202310287793 A CN202310287793 A CN 202310287793A CN 115992821 B CN115992821 B CN 115992821B
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Abstract
The invention belongs to the technical field of detection, and particularly relates to motor water pump performance testing equipment and a testing method thereof; the first detection device is suitable for detecting the water pump after a water inlet and a water outlet of the water pump on the bearing device are blocked; the air pipe is convenient to accurately extend into the water outlet of the water pump through the straight air pipe, the air pipe is easy to deform by heating after extending into the water outlet, the air pipe is convenient to accurately align with the impeller to blow, and the detection of the water pump is convenient.
Description
Technical Field
The invention belongs to the technical field of detection, and particularly relates to motor water pump performance testing equipment and a testing method thereof.
Background
The water pump needs to be detected after production is completed, the impeller is blown to reversely rotate by utilizing gas to simulate the action of water flow in the rotation of the impeller, the gas is blown into the water pump through a gas pipe conventionally, the shape of each section of the water outlet of the water pump is difficult to adapt to a straight pipe, and the gas is difficult to blow into the impeller; the bent pipe is adopted to adapt to the shape of each section of the water outlet of the water pump, so that the air pipe is difficult to extend into the water pump; because the air pipe is longer to stretch into the water pump through the water outlet for a longer distance, the air pipe made of flexible materials is easy to bend due to the weight of the air pipe, and the air pipe is difficult to stretch into the water outlet smoothly.
Therefore, based on the technical problems, a new motor water pump performance test device and a new motor water pump performance test method are needed to be designed.
Disclosure of Invention
The invention aims to provide motor water pump performance test equipment and a test method thereof.
In order to solve the technical problem, the invention provides a motor water pump performance test device, comprising:
the bearing device is suitable for bearing the water pump;
the first detection device is suitable for detecting the water pump after the water inlet and the water outlet of the water pump on the bearing device are blocked, namely
When the detection is started, the first detection device stretches the air pipe into the water outlet of the water pump, so that the air pipe blows air to the impeller of the water pump, and the air blown out by the air pipe is suitable for forming obstruction to the rotation of the impeller of the water pump; the first detection means being adapted to detect when the trachea is insufflated, or
When the detection is started, the first detection device stretches a straight air pipe into a water outlet of the water pump, hot air is introduced into the air pipe at the moment to soften the air pipe, when the air pipe stretches into the joint of the straight section and the bent section of the water outlet of the water pump, the first detection device drives the air pipe to rotate, air is introduced into the air pipe after the softened air pipe stretches into the bent section of the water outlet of the water pump to cool and harden the air pipe, the air is blown into an impeller in the water pump through the air pipe, and the air blown out by the air pipe is suitable for forming an obstruction to the rotation of the impeller of the water pump; the first detection device is suitable for detecting when the trachea blows; and after the detection is finished, introducing hot air into the air pipe to soften the air pipe, pulling out the air pipe extending into the water outlet of the water pump after the air pipe is softened, and after the air pipe completely enters the straight section of the water outlet of the water pump, introducing air into the air pipe to cool and harden the air pipe, and completely pulling out the air pipe from the water outlet of the water pump after the air pipe is hardened.
Further, the carrying device includes: a vibrating table and a jig;
the vibrating table is arranged on the base;
the jig is arranged on the vibrating table and is suitable for limiting the water pump placed on the vibrating table.
Further, the carrying device further includes: a support cylinder;
the supporting cylinder is arranged on the base and below the vibrating table;
the support cylinder is suitable for contacting the bottom surface of the vibrating table when the air pipe ventilates into the water pump so as to support the vibrating table.
Further, the first detection device includes: the water inlet sealing mechanism, the water outlet sealing mechanism and the power-on mechanism;
the water inlet sealing mechanism is arranged above the vibrating table and is suitable for plugging and sealing a water inlet of a water pump on the vibrating table;
the water outlet sealing mechanism is arranged on one side of the vibrating table and is suitable for blocking and sealing a water outlet of a water pump on the vibrating table;
the energizing mechanism is arranged on the other side of the vibrating table and is suitable for energizing the water pump.
Further, the energizing mechanism includes: the first lifting cylinder and the power-on connector;
the first lifting cylinder is arranged on the base;
the power-on connector is arranged on the first lifting cylinder, and the first lifting cylinder is suitable for driving the power-on connector to ascend, so that the power-on connector is connected with the water pump.
Further, the water inlet sealing mechanism includes: the device comprises a vertical frame, a second lifting cylinder and a first inflatable chuck;
the stand is arranged on the base;
the second lifting cylinder is arranged on the vertical frame and is arranged above the vibrating table;
the first air expansion chuck is arranged on the second lifting cylinder, and the second lifting cylinder drives the first air expansion chuck to descend, so that the first air expansion chuck plugs and seals the water inlet of the water pump.
Further, the water inlet sealing mechanism further includes: a limiting plate;
the limiting plate is arranged below the first inflatable chuck;
the limiting plate is provided with a through hole;
a plurality of limiting grooves are formed in the bottom surface of the limiting plate;
a plurality of guide rods are arranged between the top surface of the limiting plate and the second lifting cylinder, and springs are sleeved outside the guide rods;
one end of the guide rod is connected with the second lifting cylinder, and the other end of the guide rod penetrates through the limiting plate;
one end of the spring is connected with the top surface of the limiting plate, and the other end of the spring is connected with the second lifting cylinder.
Further, the water outlet sealing mechanism comprises: the device comprises a first moving cylinder, a first guide rail, a first sliding block, a second moving cylinder, a second guide rail, a second sliding block and a water outlet sealing assembly;
the first movable cylinder is arranged on the base;
the first guide rail is arranged on the base, the first sliding block is arranged on the first guide rail, and the first moving cylinder is connected with the first sliding block;
the second moving cylinder is arranged on the first sliding block;
the second guide rail is arranged on the first sliding block, and the length direction of the second guide rail is perpendicular to the length direction of the first guide rail;
the second sliding block is arranged on the second guide rail;
the second sliding block is connected with the second moving cylinder;
the water outlet sealing assembly is arranged on the second sliding block;
the second moving cylinder is suitable for driving the second sliding block to move on the second sliding rail so as to enable the water outlet sealing assembly to be close to or far away from the water pump.
Further, the water outlet seal assembly includes: a bracket;
the bracket is arranged on the second sliding block;
a plurality of second inflatable chucks are arranged on the support side by side, and openings of the second inflatable chucks face the direction of the vibrating table;
a driving motor is arranged on the bracket;
an air pipe penetrates through the second inflatable chuck along the length direction of the second inflatable chuck;
one end of the air pipe extends out of the opening of the second inflatable chuck, and the other end of the air pipe extends out of the tail end of the second inflatable chuck;
the part of the air pipe extending out of the tail end of the second inflatable chuck is rotationally connected with the bracket, and the part is sleeved with a driving wheel;
the driving motor is connected with the driving wheel through a transmission belt, and the driving motor is suitable for driving the driving wheel to rotate through the transmission belt so as to drive the air pipe to rotate.
Further, the motor water pump performance test device further comprises: a second detection device;
the second detection device is arranged on the vertical frame;
the second detection device is suitable for detecting the vibration quantity of the impeller of the water pump when the impeller rotates.
Further, the second detection device includes: a vibration telescopic cylinder and a three-way acceleration sensor;
the vibration telescopic cylinder is arranged on the vertical frame;
the three-way acceleration sensor is arranged on the vibration telescopic cylinder;
the vibration telescopic cylinder is suitable for driving the three-way acceleration sensor to contact with the water pump so as to detect the vibration quantity when the impeller of the water pump rotates, namely
After the air pipe is completely pulled out of the water outlet of the water pump, the first air expansion chuck does not block and seal the water inlet of the water pump, the second air expansion chuck does not block and seal the water outlet of the water pump, the supporting cylinder does not support the vibrating table, and the vibrating telescopic cylinder is suitable for driving the three-way acceleration sensor to contact with the water outlet of the water pump so as to detect the vibration quantity of the impeller of the water pump during rotation.
In a second aspect, the invention further provides a testing method adopting the motor water pump performance testing device, which comprises the following steps:
when the detection is started, the first detection device stretches the air pipe into the water outlet of the water pump, so that the air pipe blows air to the impeller of the water pump, and the air blown out by the air pipe is suitable for forming obstruction to the rotation of the impeller of the water pump; the first detection means being adapted to detect when the trachea is insufflated, or
When the detection is started, the first detection device stretches a straight air pipe into a water outlet of the water pump, hot air is introduced into the air pipe at the moment to soften the air pipe, when the air pipe stretches into the joint of the straight section and the bent section of the water outlet of the water pump, the first detection device drives the air pipe to rotate, air is introduced into the air pipe after the softened air pipe stretches into the bent section of the water outlet of the water pump to cool and harden the air pipe, the air is blown into an impeller in the water pump through the air pipe, and the air blown out by the air pipe is suitable for forming an obstruction to the rotation of the impeller of the water pump; the first detection device is suitable for detecting when the trachea blows; and after the detection is finished, introducing hot air into the air pipe to soften the air pipe, pulling out the air pipe extending into the water outlet of the water pump after the air pipe is softened, and after the air pipe completely enters the straight section of the water outlet of the water pump, introducing air into the air pipe to cool and harden the air pipe, and completely pulling out the air pipe from the water outlet of the water pump after the air pipe is hardened.
The invention has the beneficial effects that the bearing device is suitable for bearing the water pump; the first detection device is suitable for detecting the water pump after a water inlet and a water outlet of the water pump on the bearing device are blocked, namely when detection is started, the first detection device stretches a straight air pipe into the water outlet of the water pump, hot air is introduced into the air pipe at the moment to soften the air pipe, when the air pipe stretches into the joint of the straight section and the bent section of the water outlet of the water pump, the first detection device drives the air pipe to rotate, air is introduced into the air pipe after the softened air pipe stretches into the bent section of the water outlet of the water pump to cool and harden the air pipe, air is blown into an impeller in the water pump through the air pipe, and the air blown out by the air pipe is suitable for forming an obstruction to the rotation of the impeller of the water pump; the first detection device is suitable for detecting when the trachea blows; and after the detection is finished, introducing hot air into the air pipe to soften the air pipe, pulling out the air pipe extending into the water outlet of the water pump after the air pipe is softened, introducing air into the air pipe to cool and harden the air pipe after the air pipe completely enters the straight section of the water outlet of the water pump, and completely pulling out the air pipe from the water outlet of the water pump after the air pipe is hardened; the air pipe is convenient to accurately extend into the water outlet of the water pump through the straight air pipe, the air pipe is easy to deform by heating after extending into the water outlet, the air pipe is convenient to accurately align with the impeller to blow, and the detection of the water pump is convenient.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a motor water pump performance test apparatus of the present invention;
FIG. 2 is a schematic view of the water outlet sealing mechanism of the present invention;
FIG. 3 is a schematic view of the water inlet seal mechanism of the present invention;
FIG. 4 is a schematic view of the air tube extending into the water outlet of the present invention;
FIG. 5 is a schematic view of the present invention with the trachea extending into the junction of the straight section and the curved section;
FIG. 6 is a schematic view of the tracheal extension bend of the present invention;
FIG. 7 is a schematic view showing a state in which the air pipe of the present invention ventilates into the water pump;
FIG. 8 is a schematic drawing of the trachea of the present invention with the elbow removed;
fig. 9 is a schematic drawing showing the extraction of the trachea to a straight section of the invention.
In the figure:
1 a bearing device, 11 a vibrating table, 12 a jig and 13 a supporting cylinder;
the device comprises a first detection device, a first lifting cylinder 21, an electrified connector 211, a vertical frame 22, a second lifting cylinder 221, a first inflatable chuck 222, a limiting plate 223, a through hole 224, a limiting groove 225, a guide rod 226, a spring 227, a first moving cylinder 23, a first guide rail 231, a first slide block 232, a second moving cylinder 233, a second guide rail 234, a second slide block 235, a 24 support, a second inflatable chuck 241, an air pipe 242, a driving motor 243, a driving wheel 244 and a driving belt 245;
3 a second detection device, a 31 vibration telescopic cylinder and a 32 three-way acceleration sensor;
and 4, a base.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are 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.
Embodiment 1 as shown in fig. 1 to 9, embodiment 1 provides a motor water pump performance test apparatus, including: a carrying device 1, the carrying device 1 being adapted to carry a water pump; the first detection device 2 is suitable for detecting the water pump after the water inlet and the water outlet of the water pump on the bearing device 1 are blocked, namely when detection is started, the first detection device 2 stretches the straight air pipe 242 into the water outlet of the water pump, hot air is introduced into the air pipe 242 at the moment to soften the air pipe 242, when the air pipe 242 stretches into the joint of the straight section and the bent section of the water outlet of the water pump, the first detection device 2 drives the air pipe 242 to rotate, air is introduced into the air pipe 242 after the softened air pipe 242 stretches into the bent section of the water outlet of the water pump to cool and harden the air pipe 242, air is blown into the impeller in the water pump through the air pipe 242, and the air blown out by the air pipe 242 is suitable for forming a hindrance to the rotation of the impeller of the water pump; the first detection means 2 are adapted to detect when the air tube 242 is blown; and after the detection is finished, introducing hot air into the air pipe 242 to soften the air pipe 242, pulling out the air pipe 242 extending into the water pump water outlet after the air pipe 242 is softened, and after the air pipe 242 completely enters the straight section of the water pump water outlet, introducing air into the air pipe 242 to cool and harden the air pipe 242, and completely pulling out the air pipe 242 from the water pump water outlet after the air pipe 242 is hardened; the air pipe 242 can be conveniently and accurately stretched into the water outlet of the water pump through the straight air pipe 242, the air pipe 242 is easy to deform through heating after stretching into the water outlet, the air pipe 242 can be conveniently and accurately aligned with the impeller to blow air, the water pump is convenient to detect, the air pipe 242 can be conveniently and smoothly stretched into the bent section through rotating the air pipe 242 when stretching the air pipe 242 into the joint of the straight section and the bent section of the water outlet of the water pump (the air pipe 242 stops rotating after passing through the joint of the straight section and the bent section), and the air pipe 242 can be continuously stretched into the water pump along the bent section due to the fact that the air pipe 242 is heated and is easy to bend; after the air pipe 242 stretches into the water pump (the air pipe 242 stretches into the water pump and then is aligned with the impeller, and then the air pipe 242 is hardened by introducing the air with lower temperature (the air with lower temperature relative to the hot air) so that the air pipe 242 is cooled and hardened, and the air blowing to the impeller is facilitated; after blowing is finished, hot air can be introduced into the air pipe 242 again to enable the air pipe 242 to be heated and easy to deform, the air pipe 242 is convenient to pull out from the bent section, and after the air pipe 242 completely enters the straight section from the bent section, air with lower temperature is introduced into the air pipe 242, the air pipe 242 is convenient to reduce and harden in the straight section, and the air pipe 242 can be straightened through the straight section at the moment, the air pipe 242 is prevented from being heated and easy to deform in the whole water outlet, so that the air pipe 242 is prevented from being influenced by gravity completely, the straightened air pipe 242 is convenient for the air pipe 242 to enter the water outlet accurately next time after the air pipe 242 completely extends out of the water outlet of the water pump, the air with lower temperature can cool the water pump, the cooled and hardened air pipe 242 can be prevented from being convenient to rotate when the air pipe 242 extends into the junction of the straight section and the bent section, and the junction of the bent section can not be convenient for the air pipe 242 to smoothly pass through if a hose is used. The gas is utilized to blow the impeller to reversely rotate so as to simulate the blocking effect of water flow in the rotation of the impeller, and then the voltage and current values in the process of testing are collected and stored in a database; and reserves an interface that can be transferred to the MES (manufacturing execution system) in preparation for online testing.
In this embodiment, the diameter of the air tube 242 in the normal temperature state is smaller than the diameter of the water outlet, when hot air is introduced into the air tube 242, the air tube 242 is heated and expanded, so that the outer wall of the air tube 242 contacts with the inner wall of the water outlet, the air tube 242 is convenient to bend into the shape of the water outlet, and after the air tube 242 is heated and deformed and bent, when air with lower temperature is introduced, the air tube 242 is contracted again, so that a gap exists between the outer wall of the air tube 242 and the inner wall of the water outlet, the air of the ventilation water pump conveniently flows out from the space between the water outlet and the air tube 242, and the excessive pressure in the water pump is avoided. The degree of thermal expansion and contraction is small, but is sufficient for gas to pass between the air tube 242 and the water outlet, and the outer wall of the air tube 242 is not smooth, and the grains on the outer wall are convenient for gas discharge.
In this embodiment, the direction in which the air tube 242 extends into the water outlet is shown as the direction F in the figure, and the direction in which the air tube 242 pulls out of the water outlet is shown as the direction F in the figure.
In this embodiment, the air tube 242 may be made of plastic, or the like, and is easily heated and bent.
In this embodiment, the carrying device 1 includes: a vibrating table 11 and a jig 12; the vibration table 11 is arranged on the base 4; the jig 12 is arranged on the vibration table 11, and the jig 12 is suitable for limiting a water pump placed on the vibration table 11 to avoid the water pump from shifting in each detection process; the vibration table 11 can be made of flexible materials, so that the vibration table 11 can vibrate along with the water pump when the water pump vibrates, and the vibration quantity of the impeller in the water pump during rotation can be conveniently detected.
In this embodiment, the carrying device 1 further includes: a support cylinder 13; the supporting cylinder 13 is arranged on the base 4, and the supporting cylinder 13 is arranged below the vibrating table 11; the supporting cylinder 13 is suitable for contacting with the bottom surface of the vibrating table 11 when the air pipe 242 ventilates into the water pump so as to support the vibrating table 11; when the first detection device 2 detects, the vibration table 11 does not need to vibrate along with the vibration of the water pump, and the influence of vibration on the blowing direction of the air pipe 242 is avoided, so that the vibration table 11 is supported through the supporting cylinder 13 by the contact of the telescopic end of the supporting cylinder 13 and the bottom surface of the vibration table 11, and the vibration table 11 is prevented from vibrating along.
In this embodiment, the first detecting device 2 includes: the water inlet sealing mechanism, the water outlet sealing mechanism and the power-on mechanism; the water inlet sealing mechanism is arranged above the vibrating table 11 and is suitable for plugging and sealing a water inlet of a water pump on the vibrating table 11; the water outlet sealing mechanism is arranged on one side of the vibrating table 11 and is suitable for plugging and sealing a water outlet of a water pump on the vibrating table 11; the energizing mechanism is provided on the other side of the vibration table 11, and is adapted to energize the water pump.
In this embodiment, the energizing mechanism includes: a first lifting cylinder 21 and an energizing joint 211; the first lifting cylinder 21 is arranged on the base 4; the energizing joint 211 is arranged on the first lifting cylinder 21, and the first lifting cylinder 21 is suitable for driving the energizing joint 211 to ascend so that the energizing joint 211 is connected with a water pump; the water pump can be electrified through the electrifying connector 211, and the water pump can transmit voltage and current values outwards, so that the first detection device 2 can detect the voltage and current values conveniently.
In this embodiment, the water inlet sealing mechanism includes: the stand 22, the second lifting cylinder 221 and the first inflatable chuck 222; the stand 22 is arranged on the base 4; the second lifting cylinder 221 is arranged on the stand 22, and the second lifting cylinder 221 is arranged above the vibration table 11; the first air expansion chuck 222 is arranged on the second lifting cylinder 221, and the second lifting cylinder 221 drives the first air expansion chuck 222 to descend, so that the first air expansion chuck 222 plugs and seals the water inlet of the water pump; the first inflatable chuck 222 is sleeved on the water inlet of the water pump, so that the water inlet can be blocked and sealed through the first inflatable chuck 222, and detection is facilitated.
In this embodiment, the water inlet sealing mechanism further includes: a limiting plate 223; the limiting plate 223 is disposed below the first inflatable chuck 222; the limiting plate 223 is provided with a through hole 224; a plurality of limiting grooves 225 are arranged on the bottom surface of the limiting plate 223; a plurality of guide rods 226 are arranged between the top surface of the limiting plate 223 and the second lifting cylinder 221, and springs 227 are sleeved outside the guide rods 226; one end of the guide rod 226 is connected with the second lifting cylinder 221, and the other end passes through the limiting plate 223; one end of the spring 227 is connected with the top surface of the limiting plate 223, and the other end is connected with the second lifting cylinder 221; the shape of the limiting groove 225 can be corresponding to and adapted to the protrusion on the water pump shell, so that when the second lifting cylinder 221 drives the limiting plate 223 to descend, the limiting plate 223 is contacted with the water inlet; the spring 227 can prevent the limit plate 223 from pressing the water pump under a large force, so that the limit plate 223 is prevented from damaging the water pump; the guide rod 226 and the spring 227 can avoid the shaking of the limiting plate 223, so that the limiting plate 223 can be accurately aligned with the shell of the water pump, and the first inflatable chuck 222 can be aligned with the water inlet of the water pump; the through hole 224 facilitates the passage of the water inlet through and into the first inflatable collet 222.
In this embodiment, the water outlet sealing mechanism includes: a first moving cylinder 23, a first guide rail 231, a first slider 232, a second moving cylinder 233, a second guide rail 234, a second slider 235, and a water outlet seal assembly; the first moving cylinder 23 is arranged on the base 4; the first guide rail 231 is provided on the base 4, the first slider 232 is provided on the first guide rail 231, and the first moving cylinder 23 is connected to the first slider 232; the second moving cylinder 233 is provided on the first slider 232; the second guide rail 234 is disposed on the first slider 232, and a length direction of the second guide rail 234 is perpendicular to a length direction of the first guide rail 231; the second slider 235 is disposed on the second guide rail 234; the second slider 235 is connected to the second moving cylinder 233; the water outlet sealing assembly is arranged on the second sliding block 235; the second moving cylinder 233 is adapted to drive the second slider 235 to move on a second slide rail to make the outlet seal assembly approach or separate from the water pump; the first moving cylinder 23, the first guide rail 231 and the first slider 232 are matched to facilitate the second inflatable chucks 241 to be aligned with the water outlets of the water pump respectively, and the second moving cylinder 233, the second guide rail 234 and the second slider 235 are matched to facilitate the second inflatable chucks 241 to approach the water pump so as to block and seal the water outlets of the water pump through the second inflatable chucks 241.
In this embodiment, the water outlet seal assembly comprises: a bracket 24; the bracket 24 is arranged on the second slider 235; a plurality of second inflatable chucks 241 are arranged on the support 24 side by side, openings of the second inflatable chucks 241 face the direction of the vibrating table 11, and because of different specifications of water pumps, water outlets of the water pumps are different in size, a plurality of second inflatable chucks 241 are arranged, each second inflatable chuck 241 can correspond to a water pump water outlet of a corresponding size, when the detected water pump water outlet size changes, the corresponding second inflatable chucks 241 can be aligned to the water pump water outlet through the cooperation of the first movable air cylinder 23, the first guide rail 231 and the first sliding block 232, and detection is facilitated; a driving motor 243 is arranged on the bracket 24; an air pipe 242 is arranged in the second inflatable clamp 241 in a penetrating manner along the length direction of the second inflatable clamp 241; one end of the air pipe 242 extends out of the opening of the second inflatable clamp 241, and the other end extends out of the tail end of the second inflatable clamp 241; the part of the air pipe 242 extending out of the tail end of the second inflatable chuck 241 is rotatably connected with the bracket 24, and a driving wheel 244 is sleeved on the part; the driving motor 243 is connected with the driving wheel 244 through a driving belt 245, and the driving motor 243 is adapted to drive the driving wheel 244 to rotate through the driving belt 245 so as to drive the air pipe 242 to rotate; when the air pipe 242 stretches into the water outlet and then stretches into the joint of the straight section and the bent section, the air pipe 242 can be driven to rotate by the driving motor 243; a rigid pipe may be connected to the air tube 242, and the driving wheel 244 is disposed on the portion of the pipe, and the portion of the bracket 24 rotationally connected to the air tube 242 is also disposed on the portion of the pipe, so as to avoid deformation of the heated air tube 242 when the driving wheel 244 is driven by the driving belt 245.
In this embodiment, the motor water pump performance test apparatus further includes: a second detecting device 3; the second detection device 3 is arranged on the stand 22; the second detection device 3 is suitable for detecting the vibration quantity of the water pump when the impeller rotates; the water pump is in a natural state when the impeller in the jig 12 rotates, the three-way acceleration sensor 32 contacts the water pump body, collects vibration generated when the water pump rotates, decomposes the vibration into numerical values in three directions, and stores the numerical values in a database; and reserves an interface that can be transferred to the MES (manufacturing execution system) in preparation for online testing.
In this embodiment, the second detecting device 3 includes: a vibration telescopic cylinder 31 and a three-way acceleration sensor 32; the vibration telescopic cylinder 31 is arranged on the stand 22; the three-way acceleration sensor 32 is arranged on the vibration telescopic cylinder 31; the vibration telescopic cylinder 31 is adapted to drive the three-way acceleration sensor 32 to contact with the water pump so as to detect the vibration amount when the impeller of the water pump rotates, that is, after the air pipe 242 is completely pulled out of the water outlet of the water pump, the first air expansion chuck 222 no longer blocks and seals the water inlet of the water pump, the second air expansion chuck 241 no longer blocks and seals the water outlet of the water pump, the supporting cylinder 13 no longer supports the vibrating table 11, and at this time, the vibration telescopic cylinder 31 is adapted to drive the three-way acceleration sensor 32 to contact with the water outlet of the water pump so as to detect the vibration amount when the impeller of the water pump rotates.
Embodiment 3, on the basis of embodiment 1, embodiment 3 further provides a testing method using the motor water pump performance testing apparatus in embodiment 1, including: when the detection is started, the first detection device 2 stretches the straight air pipe 242 into the water outlet of the water pump, at the moment, hot air is introduced into the air pipe 242 to soften the air pipe 242, when the air pipe 242 stretches into the joint of the straight section and the bent section of the water outlet of the water pump, the first detection device 2 drives the air pipe 242 to rotate, after the softened air pipe 242 stretches into the bent section of the water outlet of the water pump, air is introduced into the air pipe 242 to cool and harden the air pipe 242, air is blown into an impeller in the water pump through the air pipe 242, and the air blown out by the air pipe 242 is suitable for forming an obstruction to the rotation of the impeller of the water pump; the first detection means 2 are adapted to detect when the air tube 242 is blown; after detection is completed, hot air is introduced into the air pipe 242 to soften the air pipe 242, the air pipe 242 extending into the water outlet of the water pump is pulled out after the air pipe 242 is softened, and after the air pipe 242 completely enters a straight section of the water outlet of the water pump, air is introduced into the air pipe 242 to cool and harden the air pipe 242, and after the air pipe 242 is hardened, the air pipe 242 is completely pulled out of the water outlet of the water pump; and after the air pipe 242 is completely pulled out of the water outlet of the water pump, the first air expansion chuck 222 no longer plugs up and seals the water inlet of the water pump, the second air expansion chuck 241 no longer plugs up and seals the water outlet of the water pump, the supporting cylinder 13 no longer supports the vibrating table 11, and the vibrating telescopic cylinder 31 is suitable for driving the three-way acceleration sensor 32 to contact with the water outlet of the water pump at the moment so as to detect the vibration quantity when the impeller of the water pump rotates.
In summary, according to the present invention, through the carrying device 1, the carrying device 1 is suitable for carrying a water pump; the first detection device 2 is suitable for detecting the water pump after the water inlet and the water outlet of the water pump on the bearing device 1 are blocked, namely when detection is started, the first detection device 2 stretches the straight air pipe 242 into the water outlet of the water pump, hot air is introduced into the air pipe 242 at the moment to soften the air pipe 242, when the air pipe 242 stretches into the joint of the straight section and the bent section of the water outlet of the water pump, the first detection device 2 drives the air pipe 242 to rotate, air is introduced into the air pipe 242 after the softened air pipe 242 stretches into the bent section of the water outlet of the water pump to cool and harden the air pipe 242, air is blown into the impeller in the water pump through the air pipe 242, and the air blown out by the air pipe 242 is suitable for forming a hindrance to the rotation of the impeller of the water pump; the first detection means 2 are adapted to detect when the air tube 242 is blown; and after the detection is finished, introducing hot air into the air pipe 242 to soften the air pipe 242, pulling out the air pipe 242 extending into the water pump water outlet after the air pipe 242 is softened, and after the air pipe 242 completely enters the straight section of the water pump water outlet, introducing air into the air pipe 242 to cool and harden the air pipe 242, and completely pulling out the air pipe 242 from the water pump water outlet after the air pipe 242 is hardened; the air pipe 242 is convenient to accurately extend into the water outlet of the water pump through the straight air pipe 242, the air pipe 242 is easy to deform by heating after extending into the water outlet, the air pipe 242 is convenient to accurately align with the impeller for blowing, and the detection of the water pump is convenient.
The components (components not illustrating specific structures) selected in the application are all common standard components or components known to those skilled in the art, and the structures and principles of the components are all known to those skilled in the art through technical manuals or through routine experimental methods.
In the description of embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (12)
1. A motor water pump performance test apparatus, comprising:
the bearing device is suitable for bearing the water pump;
the first detection device is suitable for detecting the water pump after the water inlet and the water outlet of the water pump on the bearing device are blocked, namely
When the detection is started, the first detection device stretches a straight air pipe into a water outlet of the water pump, hot air is introduced into the air pipe at the moment to soften the air pipe, when the air pipe stretches into the joint of the straight section and the bent section of the water outlet of the water pump, the first detection device drives the air pipe to rotate, air is introduced into the air pipe after the softened air pipe stretches into the bent section of the water outlet of the water pump to cool and harden the air pipe, the air is blown into an impeller in the water pump through the air pipe, and the air blown out by the air pipe is suitable for forming an obstruction to the rotation of the impeller of the water pump; the first detection device is suitable for detecting when the trachea blows; and after the detection is finished, introducing hot air into the air pipe to soften the air pipe, pulling out the air pipe extending into the water outlet of the water pump after the air pipe is softened, and after the air pipe completely enters the straight section of the water outlet of the water pump, introducing air into the air pipe to cool and harden the air pipe, and completely pulling out the air pipe from the water outlet of the water pump after the air pipe is hardened.
2. The motor water pump performance test apparatus of claim 1, wherein,
the carrying device comprises: a vibrating table and a jig;
the vibrating table is arranged on the base;
the jig is arranged on the vibrating table and is suitable for limiting the water pump placed on the vibrating table.
3. The motor water pump performance test apparatus of claim 2, wherein,
the carrying device further comprises: a support cylinder;
the supporting cylinder is arranged on the base and below the vibrating table;
the support cylinder is suitable for contacting the bottom surface of the vibrating table when the air pipe ventilates into the water pump so as to support the vibrating table.
4. The motor water pump performance test apparatus of claim 3, wherein,
the first detection device includes: the water inlet sealing mechanism, the water outlet sealing mechanism and the power-on mechanism;
the water inlet sealing mechanism is arranged above the vibrating table and is suitable for plugging and sealing a water inlet of a water pump on the vibrating table;
the water outlet sealing mechanism is arranged on one side of the vibrating table and is suitable for blocking and sealing a water outlet of a water pump on the vibrating table;
the energizing mechanism is arranged on the other side of the vibrating table and is suitable for energizing the water pump.
5. The motor water pump performance test apparatus according to claim 4, wherein,
the energizing mechanism includes: the first lifting cylinder and the power-on connector;
the first lifting cylinder is arranged on the base;
the power-on connector is arranged on the first lifting cylinder, and the first lifting cylinder is suitable for driving the power-on connector to ascend, so that the power-on connector is connected with the water pump.
6. The motor water pump performance test apparatus according to claim 5, wherein,
the water inlet sealing mechanism includes: the device comprises a vertical frame, a second lifting cylinder and a first inflatable chuck;
the stand is arranged on the base;
the second lifting cylinder is arranged on the vertical frame and is arranged above the vibrating table;
the first air expansion chuck is arranged on the second lifting cylinder, and the second lifting cylinder drives the first air expansion chuck to descend, so that the first air expansion chuck plugs and seals the water inlet of the water pump.
7. The motor water pump performance test apparatus according to claim 6, wherein,
the water inlet sealing mechanism further comprises: a limiting plate;
the limiting plate is arranged below the first inflatable chuck;
the limiting plate is provided with a through hole;
a plurality of limiting grooves are formed in the bottom surface of the limiting plate;
a plurality of guide rods are arranged between the top surface of the limiting plate and the second lifting cylinder, and springs are sleeved outside the guide rods;
one end of the guide rod is connected with the second lifting cylinder, and the other end of the guide rod penetrates through the limiting plate;
one end of the spring is connected with the top surface of the limiting plate, and the other end of the spring is connected with the second lifting cylinder.
8. The motor water pump performance test apparatus according to claim 7, wherein,
the water outlet sealing mechanism comprises: the device comprises a first moving cylinder, a first guide rail, a first sliding block, a second moving cylinder, a second guide rail, a second sliding block and a water outlet sealing assembly;
the first movable cylinder is arranged on the base;
the first guide rail is arranged on the base, the first sliding block is arranged on the first guide rail, and the first moving cylinder is connected with the first sliding block;
the second moving cylinder is arranged on the first sliding block;
the second guide rail is arranged on the first sliding block, and the length direction of the second guide rail is perpendicular to the length direction of the first guide rail;
the second sliding block is arranged on the second guide rail;
the second sliding block is connected with the second moving cylinder;
the water outlet sealing assembly is arranged on the second sliding block;
the second moving cylinder is suitable for driving the second sliding block to move on the second sliding rail so as to enable the water outlet sealing assembly to be close to or far away from the water pump.
9. The motor water pump performance test apparatus of claim 8, wherein,
the water outlet seal assembly includes: a bracket;
the bracket is arranged on the second sliding block;
a plurality of second inflatable chucks are arranged on the support side by side, and openings of the second inflatable chucks face the direction of the vibrating table;
a driving motor is arranged on the bracket;
an air pipe penetrates through the second inflatable chuck along the length direction of the second inflatable chuck;
one end of the air pipe extends out of the opening of the second inflatable chuck, and the other end of the air pipe extends out of the tail end of the second inflatable chuck;
the part of the air pipe extending out of the tail end of the second inflatable chuck is rotationally connected with the bracket, and the part is sleeved with a driving wheel;
the driving motor is connected with the driving wheel through a transmission belt, and the driving motor is suitable for driving the driving wheel to rotate through the transmission belt so as to drive the air pipe to rotate.
10. The motor water pump performance test apparatus of claim 9, wherein,
the motor water pump performance test equipment further comprises: a second detection device;
the second detection device is arranged on the vertical frame;
the second detection device is suitable for detecting the vibration quantity of the impeller of the water pump when the impeller rotates.
11. The motor water pump performance test apparatus of claim 10, wherein,
the second detection device includes: a vibration telescopic cylinder and a three-way acceleration sensor;
the vibration telescopic cylinder is arranged on the vertical frame;
the three-way acceleration sensor is arranged on the vibration telescopic cylinder;
the vibration telescopic cylinder is suitable for driving the three-way acceleration sensor to contact with the water pump so as to detect the vibration quantity when the impeller of the water pump rotates, namely
After the air pipe is completely pulled out of the water outlet of the water pump, the first air expansion chuck does not block and seal the water inlet of the water pump, the second air expansion chuck does not block and seal the water outlet of the water pump, the supporting cylinder does not support the vibrating table, and the vibrating telescopic cylinder is suitable for driving the three-way acceleration sensor to contact with the water outlet of the water pump so as to detect the vibration quantity of the impeller of the water pump during rotation.
12. A test method using the motor water pump performance test apparatus according to claim 1, comprising:
when the detection is started, the first detection device stretches a straight air pipe into a water outlet of the water pump, hot air is introduced into the air pipe at the moment to soften the air pipe, when the air pipe stretches into the joint of the straight section and the bent section of the water outlet of the water pump, the first detection device drives the air pipe to rotate, air is introduced into the air pipe after the softened air pipe stretches into the bent section of the water outlet of the water pump to cool and harden the air pipe, the air is blown into an impeller in the water pump through the air pipe, and the air blown out by the air pipe is suitable for forming an obstruction to the rotation of the impeller of the water pump; the first detection device is suitable for detecting when the trachea blows; and after the detection is finished, introducing hot air into the air pipe to soften the air pipe, pulling out the air pipe extending into the water outlet of the water pump after the air pipe is softened, and after the air pipe completely enters the straight section of the water outlet of the water pump, introducing air into the air pipe to cool and harden the air pipe, and completely pulling out the air pipe from the water outlet of the water pump after the air pipe is hardened.
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| CN202310287793.9A CN115992821B (en) | 2023-03-23 | 2023-03-23 | Motor water pump performance test equipment and test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310287793.9A CN115992821B (en) | 2023-03-23 | 2023-03-23 | Motor water pump performance test equipment and test method thereof |
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| CN115992821A CN115992821A (en) | 2023-04-21 |
| CN115992821B true CN115992821B (en) | 2023-05-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205744398U (en) * | 2016-06-29 | 2016-11-30 | 北京恒信凯博科技有限公司 | A kind of water pump detection device |
| CN207366149U (en) * | 2017-08-08 | 2018-05-15 | 重庆四通机械制造有限公司 | A kind of auto pump dynamic sealing detection device |
| CN208587285U (en) * | 2018-07-17 | 2019-03-08 | 浙江绿美泵业有限公司 | Testing water pump platform |
| CN115406589A (en) * | 2022-09-23 | 2022-11-29 | 佛山市顺德区卓高电机制造有限公司 | Water pump motor air-tight seal detection mechanism |
| CN115824692B (en) * | 2023-02-23 | 2023-04-28 | 中科摩通(常州)智能制造股份有限公司 | Heat pump load testing device and testing method thereof |
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