CN110988685A - Device for motor shaft inspection - Google Patents
Device for motor shaft inspection Download PDFInfo
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- CN110988685A CN110988685A CN201911285591.0A CN201911285591A CN110988685A CN 110988685 A CN110988685 A CN 110988685A CN 201911285591 A CN201911285591 A CN 201911285591A CN 110988685 A CN110988685 A CN 110988685A
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- detection
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- rod
- motor shaft
- motor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
Abstract
The invention relates to a device for motor shaft inspection, which comprises a detection box, wherein the detection box is in a cuboid shape, two detection holes are formed in the detection box and are distributed on two sides of the detection box, a heat dissipation mechanism and a detection mechanism are arranged in the detection box, the detection mechanism is positioned on one side of the detection holes far away from the top of the detection box, the detection mechanism comprises a scraper blade, a detection rod, a moving plate, a distance sensor, two cylinders, two transmission assemblies and two connecting assemblies, each connecting assembly comprises a fixed rod, a limiting block, a spring and a mounting hole, the heat dissipation mechanism comprises a moving assembly, a wind power assembly and two moving pipes, the device for motor shaft inspection realizes the function of detecting radial runout of a motor shaft through the detection mechanism, and not only, but also realizes the heat dissipation function of the motor shaft through the heat dissipation mechanism, the influence of the thermal expansion of the motor shaft on the detection accuracy is avoided.
Description
Technical Field
The invention relates to the field of motor detection, in particular to a device for motor shaft detection.
Background
The development of scientific technology puts higher and higher requirements on the performance and quality indexes of the motor, and the development of motor testing technology is closely related to the development of the motor industry. The motor test is an important link for comprehensively evaluating the assembly quality and the technical performance of the motor and is an important process for manufacturing and producing the motor. The traditional test equipment and method have the defects that the operation time is long, a plurality of instruments need to be observed, and the quality and the precision of the motor test are influenced to a certain extent by manually reading test data and analyzing and calculating the data. Along with the further promotion of the design level and the process level of the existing motor and the continuous improvement of the performance of raw materials of the motor, the performance and the quality index of the motor are greatly improved. Therefore, the demand for motor testing technology is also increasing.
During the radial runout of motor counter shaft detected, when the epaxial impurity that appears, can influence the measuring data of motor shaft to reduce and detect the precision, moreover, the motor shaft is at the rotation in-process, on the heat on the driving source easily transmits the motor shaft, the motor shaft makes the volume increase through expend with heat and contract with cold's principle, can reduce equally and detect the precision.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the device for motor shaft inspection is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a device for motor shaft inspection comprises a detection box, wherein the detection box is in a cuboid shape, two detection holes are formed in the detection box and distributed on two sides of the detection box, a heat dissipation mechanism and a detection mechanism are arranged in the detection box, and the detection mechanism is located on one side, far away from the top of the detection box, of the detection holes;
the detection mechanism comprises a scraper plate, a detection rod, a movable plate, a distance sensor, two cylinders, two transmission assemblies and two connecting assemblies, wherein the movable plate and the scraper plate are parallel to the top of the detection box, the detection rod is perpendicular to the movable plate, the cylinders are uniformly arranged on one side of the scraper plate, which is far away from the top of the detection box, the cylinders are fixed at the bottom in the detection box, the cylinders drive the scraper plate to move along the axial direction of the detection rod, the movable plate is arranged on one side of the scraper plate, which is close to the cylinders, and is positioned between the two cylinders, the bottom end of the detection rod is fixed on one side of the movable plate, which is close to the scraper plate, a gap is arranged between the top end of the detection rod and the scraper plate, the scraper plate is provided with a through hole, the through hole and the detection rod are coaxially arranged, the transmission assemblies correspond to the air cylinders one by one, the tops of the scraping plates are connected with the bottoms of the moving plates through the transmission assemblies, the connecting assemblies are arranged on the moving plates and correspond to the air cylinders one by one, the detection box is internally provided with a PLC (programmable logic controller) and an antenna, and the distance sensors and the antenna are electrically connected with the PLC;
the connecting assembly comprises a fixed rod, a limiting block, a spring and a mounting hole, the fixed rod is parallel to the detection rod, the mounting hole is formed in the movable plate, the fixed rod penetrates through the mounting hole and is in sliding connection with the inner wall of the mounting hole, the bottom end of the fixed rod is fixed to the bottom inside the detection box, the limiting block is fixed to the bottom end of the fixed rod and is located between the movable plate and the scraper plate, a gap is formed between the limiting block and the scraper plate, the bottom of the movable plate is connected with the bottom inside the detection box through the spring, and the spring is in a compressed state;
the heat dissipation mechanism is including removing subassembly, wind-force subassembly and two removal pipes, the axis that removes the pipe is perpendicular and crossing with the axis of detection pole, remove pipe and inspection hole one-to-one, it passes the inspection hole to remove the pipe, the inner wall slip and the sealing connection of removal pipe and inspection hole, the scraper blade is located between two removal pipes, the one side that is close to the scraper blade that removes the pipe is equipped with the spread groove, the spread groove sets up the one end that is close to the detection pole axis that removes the pipe, wind-force subassembly sets up in one of them removal pipe, the removal subassembly sets up the one side of keeping away from the detection pole that removes the pipe, two removal pipes of removal drive of removal subassembly are close to or keep away from the removal.
Preferably, in order to drive the moving plate to move, the transmission assembly comprises a connecting line and a fixed pulley, the fixed pulley is fixed at the bottom in the detection box, one end of the connecting line is fixed on the scraper, and the other end of the connecting line is fixed on the moving plate by passing through the fixed pulley.
Preferably, in order to realize the directional flow of air, the wind power assembly comprises a first motor and fan blades, the fan blades and the moving pipe are coaxially arranged, the first motor is fixed on the inner wall of the moving pipe, and the first motor is in transmission connection with the fan blades.
Preferably, in order to realize moving the pipe and be close to or keep away from the removal, the removal subassembly includes second motor, drive gear, driven gear, axis of rotation and two mobile unit, the axis of rotation is parallel with removing the pipe, driven gear installs in the axis of rotation, the second motor is fixed on the inner wall of detection case, drive motor is connected with drive gear transmission, drive gear and driven gear meshing, two mobile unit set up respectively at the both ends of axis of rotation and with remove union coupling.
Preferably, in order to drive the moving pipe to move, the moving unit comprises a screw rod, a sliding block and a bearing, the screw rod is coaxially arranged with the rotating shaft, one end of the screw rod is fixed on the rotating shaft, the inner ring of the bearing is installed at the other end of the rotating shaft, the outer ring of the bearing is fixed on the inner wall of the detection box, the sliding block is sleeved on the screw rod, a connection part of the sliding block and the screw rod is provided with threads matched with the screw rod, the sliding block is fixed on the moving pipe, and the thread turning directions of the two screw rods are opposite.
Preferably, the screw is coated with a lubricating oil in order to reduce the frictional force between the screw and the slider.
Preferably, the second motor is a servo motor in order to increase the driving force of the second motor.
Preferably, the scraper is made of rubber to realize the functions of buffering and vibration reduction.
Preferably, in order to facilitate the installation of the fixing rod, the fixing rod is provided with a chamfer.
Preferably, in order to prolong the service life of the moving plate, the moving plate is provided with an anti-corrosion zinc coating.
The device for detecting the motor shaft has the advantages that the function of detecting the radial runout of the motor shaft is realized through the detection mechanism, compared with the existing detection mechanism, the detection mechanism can scrape impurities on the motor shaft through the scraper, the detection accuracy is prevented from being influenced by the impurities, the practicability is higher, not only is the function of heat dissipation of the motor shaft realized through the heat dissipation mechanism, and the detection accuracy is prevented from being influenced by the thermal expansion of the motor shaft.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the apparatus for motor shaft inspection of the present invention;
FIG. 2 is a schematic structural view of a detection mechanism of the apparatus for motor shaft inspection of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of portion B of FIG. 1;
in the figure: 1. the detection device comprises a detection box, 2 parts of a scraper, 3 parts of a detection rod, 4 parts of a movable plate, 5 parts of a distance sensor, 6 parts of an air cylinder, 7 parts of a fixed rod, 8 parts of a limiting block, 9 parts of a spring, 10 parts of a movable pipe, 11 parts of a connecting line, 12 parts of a fixed pulley, 13 parts of a first motor, 14 parts of a fan blade, 15 parts of a second motor, 16 parts of a driving gear, 17 parts of a driven gear, 18 parts of a rotating shaft, 19 parts of a screw rod, 20 parts of a sliding block and 21 parts of a.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-2, a device for motor shaft inspection comprises a detection box 1, wherein the detection box 1 is in a cuboid shape, two detection holes are formed in the detection box 1 and distributed on two sides of the detection box 1, a heat dissipation mechanism and a detection mechanism are arranged in the detection box 1, and the detection mechanism is located on one side, far away from the top of the detection box 1, of each detection hole;
the detection mechanism comprises a scraper blade 2, a detection rod 3, a movable plate 4, a distance sensor 5, two cylinders 6, two transmission assemblies and two connecting assemblies, wherein the movable plate 4 and the scraper blade 2 are parallel to the top of the detection box 1, the detection rod 3 is perpendicular to the movable plate 4, the cylinders 6 are uniformly arranged on one side of the scraper blade 2 away from the top of the detection box 1, the cylinders 6 are fixed at the bottom of the detection box 1, the cylinders 6 drive the scraper blade 2 to move along the axial direction of the detection rod 3, the movable plate 4 is arranged on one side of the scraper blade 2 close to the cylinders 6 and between the two cylinders 6, the bottom end of the detection rod 3 is fixed on one side of the movable plate 4 close to the scraper blade 2, a gap is arranged between the top end of the detection rod 3 and the scraper blade 2, a through hole is arranged on the scraper blade 2, the through hole is coaxial with the detection rod 3, and the, the distance sensors 5 are arranged on one side, far away from the detection rod 3, of the moving plate 4, the transmission assemblies correspond to the air cylinders 6 one by one, the tops of the scraping plates 2 are connected with the bottom of the moving plate 4 through the transmission assemblies, the connecting assemblies are arranged on the moving plate 4 and correspond to the air cylinders 6 one by one, a PLC and an antenna are arranged in the detection box 1, and the distance sensors 5 and the antenna are electrically connected with the PLC;
the connecting assembly comprises a fixed rod 7, a limiting block 8, a spring 9 and a mounting hole, the fixed rod 7 is parallel to the detection rod 3, the mounting hole is formed in the movable plate 4, the fixed rod 7 penetrates through the mounting hole and is in sliding connection with the inner wall of the mounting hole, the bottom end of the fixed rod 7 is fixed to the bottom inside the detection box 1, the limiting block 8 is fixed to the bottom end of the fixed rod 7, the limiting block 8 is located between the movable plate 4 and the scraper 2, a gap is formed between the limiting block 8 and the scraper 2, the bottom of the movable plate 4 is connected with the bottom inside the detection box 1 through the spring 9, the spring 9 is in a compressed state, and the spring 9 is in a compressed state;
the heat dissipation mechanism is including removing subassembly, wind-force subassembly and two removal pipes 10, the axis that removes pipe 10 is perpendicular and crossing with the axis of detection pole 3, remove pipe 10 and detection hole one-to-one, remove pipe 10 and pass the detection hole, the inner wall slip and the sealing connection of removal pipe 10 and detection hole, scraper blade 2 is located between two removal pipes 10, the one side that is close to scraper blade 2 that removes pipe 10 is equipped with the spread groove, the spread groove setting is in the one end that is close to detection pole 3 axis that removes pipe 10, wind-force subassembly sets up in one of them removal pipe 10, remove the subassembly setting and remove one side of keeping away from detection pole 3 that manages 10, two removal pipes 10 of removal drive of removal subassembly are close to or keep away from the removal.
Inserting a motor shaft into a connecting pipe without a wind power assembly, rotating the connecting pipe with the motor shaft through an external driving device, then enabling a scraping plate 2 to move towards the direction close to the motor shaft through an air cylinder 6 and abut against the motor shaft, enabling the scraping plate 2 to scrape impurities on the motor shaft through the rotation of the motor shaft, then enabling the air cylinder 6 to drive the scraping plate 2 to move reversely, enabling a moving plate 4 to move towards the direction close to the motor shaft under the elastic action of a spring 9 through a transmission assembly by the reverse movement of the scraping plate 2, enabling the top end of a detection rod 3 to abut against the motor shaft, enabling the motor shaft to push the detection rod 3 to drive the moving plate 4 to move on a fixed rod 7 and realize reciprocating movement through the elastic action of the spring 9 when radial runout is generated on the motor shaft, and detecting the distance between the bottom in a detection box 1 through a distance sensor 5 and transmitting the detected data to, it adopts a kind of programmable memory, it is used for storing program in its interior, and can be used for implementing user-facing instructions of logic operation, sequential control, timing, counting and arithmetic operation, etc. and utilizes digital or analog input and output to control various kinds of machines or production processes, its essence is a computer specially-used for industrial control, its hardware structure is basically identical to microcomputer, generally is used for processing data and receiving and outputting instruction, and can be used for implementing central control, so that the PLC can calculate radial runout data of motor shaft, and utilizes antenna to transfer the detected data into wireless equipment of detection personnel in the form of wireless signal, and implement the function of detecting runout of motor shaft, and in the course of detection, two moving pipes 10 can be moved close to and abutted against each other by means of moving component, and the detection rod 3 can be positioned between two connecting grooves, and utilizes the moving component to make air in two connecting pipes implement directional flow, the heat on the motor shaft can be discharged through the air flow, and the influence on the detection precision caused by the thermal expansion of the motor shaft is avoided.
Preferably, in order to drive the moving plate 4 to move, the transmission assembly comprises a connecting line 11 and a fixed pulley 12, the fixed pulley 12 is fixed at the bottom inside the detection box 1, one end of the connecting line 11 is fixed on the scraper 2, and the other end of the connecting line 11 is fixed on the moving plate 4 by passing through the fixed pulley 12.
The movement of the moving plate 4 in the direction away from the motor shaft releases the connecting wire 11, so that the moving plate 4 can move in the direction close to the motor shaft by the elastic force of the spring 9.
Preferably, in order to realize the directional flow of the air, the wind power assembly comprises a first motor 13 and a fan blade 14, the fan blade 14 is coaxially arranged with the moving pipe 10, the first motor 13 is fixed on the inner wall of the moving pipe 10, and the first motor 13 is in transmission connection with the fan blade 14.
The first motor 13 is started to rotate the fan blades 14, and the air in the connecting pipe is enabled to realize directional flow through the rotation of the fan blades 14.
As shown in fig. 3, the moving assembly includes a second motor 15, a driving gear 16, a driven gear 17, a rotating shaft 18 and two moving units, the rotating shaft 18 is parallel to the moving pipe 10, the driven gear 17 is installed on the rotating shaft 18, the second motor 15 is fixed on the inner wall of the detection box 1, the driving motor is in transmission connection with the driving gear 16, the driving gear 16 is meshed with the driven gear 17, and the two moving units are respectively arranged at two ends of the rotating shaft 18 and are connected with the moving pipe 10.
The second motor 15 is started, so that the driving gear 16 drives the driven gear 17 to rotate, the rotation of the driven gear 17 drives the rotating shaft 18 to rotate, and the rotation of the rotating shaft 18 drives the two moving pipes 10 to move closer to or away from each other through the moving unit.
As shown in fig. 4, the moving unit includes a screw rod 19, a slider 20 and a bearing 21, the screw rod 19 is coaxially disposed with the rotating shaft 18, one end of the screw rod 19 is fixed on the rotating shaft 18, an inner ring of the bearing 21 is installed at the other end of the rotating shaft 18, an outer ring of the bearing 21 is fixed on the inner wall of the detection box 1, the slider 20 is sleeved on the screw rod 19, a connection portion of the slider 20 and the screw rod 19 is provided with a thread matching with the screw rod 19, the slider 20 is fixed on the moving pipe 10, and thread directions of the two screw rods 19 are opposite.
The rotation of the rotating shaft 18 drives the screw rod 19 to rotate under the supporting action of the bearing 21, so that the sliding block 20 drives the moving pipe 10 to move on the screw rod 19, and the thread turning directions of the two screw rods 19 are opposite, so that the two connecting pipes can move close to or away from each other.
Preferably, in order to reduce the friction between the screw rod 19 and the slider 20, the screw rod 19 is coated with a lubricating oil.
The lubricating oil has the function of reducing the friction force between the screw rod 19 and the sliding block 20 and improving the moving fluency of the sliding block 20.
Preferably, the second motor 15 is a servo motor in order to increase the driving force of the second motor 15.
The servo motor has a characteristic of strong overload capability, so that the driving force of the second motor 15 can be improved.
Preferably, the scraper 2 is made of rubber to realize the functions of buffering and vibration reduction.
Preferably, the fixing rod 7 is chamfered to facilitate installation of the fixing rod 7.
The chamfer angle is used for reducing the caliber of the fixing rod 7 when the fixing rod passes through the mounting hole, and the effect of convenient mounting is achieved.
Preferably, in order to prolong the service life of the moving plate 4, the moving plate 4 is provided with an anti-corrosion zinc coating.
The anti-corrosion zinc coating is used for improving the anti-rust capacity of the moving plate 4 and prolonging the service life of the moving plate 4.
Inserting a motor shaft into a connecting pipe without using a fan blade 14, rotating the connecting pipe with the motor shaft through an external driving device, then moving a scraper 2 toward a direction close to the motor shaft through an air cylinder 6 and abutting against the motor shaft, scraping impurities on the motor shaft off through the rotation of the motor shaft, then driving the scraper 2 to move in reverse through the air cylinder 6, loosening a connecting wire 11 through the reverse movement of the scraper 2, thereby moving a moving plate 4 toward the direction close to the motor shaft under the elastic action of a spring 9, abutting the top end of a detection rod 3 with the motor shaft, when radial runout is generated on the motor shaft, enabling the motor shaft to push the detection rod 3 to drive the moving plate 4 to move on a fixed rod 7 and realize reciprocating movement through the elastic action of the spring 9, wherein the distance between the motor shaft and the bottom in a detection box 1 is detected through a distance sensor 5 and the detection data is, a PLC, i.e. a programmable logic controller, which adopts a programmable memory for storing a program therein, executes instructions facing a user, such as logic operation, sequence control, timing, counting, arithmetic operation, etc., and controls various types of machines or production processes by digital or analog input and output, and is essentially a computer dedicated for industrial control, the hardware structure of which is basically the same as that of a microcomputer, and is generally used for data processing and instruction receiving and output for realizing central control, so that the PLC can calculate radial run-out data of a motor shaft, and transmit the detected data in the form of a wireless signal to a wireless device of a detector through an antenna, thereby realizing the function of detecting the run-out of the motor shaft, and during detection, the second motor 15 is started to make a driving gear 16 drive a driven gear 17 to rotate, and the rotation of the driven gear 17 drives a rotating shaft 18 to rotate, rotation of axis of rotation 18 drives lead screw 19 and rotates under bearing 21's supporting role to make slider 20 drive on lead screw 19 and remove pipe 10 and realize removing, it is opposite to revolve to because of the screw of two lead screws 19, thereby can make two connecting pipes realize being close to the removal and support and lean on, first motor 13 starts, make flabellum 14 rotate, the rotation through flabellum 14 makes the air in the connecting pipe realize directional flow, can be with the heat discharge on the motor shaft through the air current, avoid the motor shaft to be heated the inflation and influence the detection precision.
Compared with the prior art, this a device for motor shaft inspection has realized detecting motor shaft runout's function through detection mechanism, compare with current detection mechanism, this detection mechanism can scrape down the epaxial impurity of motor through scraper blade 2, avoid impurity influence to detect the accuracy, the practicality is stronger, moreover, still realized the radiating function of motor shaft through heat dissipation mechanism, avoid the motor shaft to be heated the thermal expansion and influence the accuracy that detects, compare with current heat dissipation mechanism, this heat dissipation mechanism structure is ingenious, the practicality is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The device for motor shaft inspection comprises a detection box (1), wherein the detection box (1) is in a cuboid shape, two detection holes are formed in the detection box (1), and are distributed on two sides of the detection box (1), and the device is characterized in that a heat dissipation mechanism and a detection mechanism are arranged in the detection box (1), and the detection mechanism is located on one side, far away from the top of the detection box (1), of each detection hole;
the detection mechanism comprises a scraper blade (2), a detection rod (3), a movable plate (4), a distance sensor (5), two cylinders (6), two transmission assemblies and two connecting assemblies, wherein the movable plate (4) and the scraper blade (2) are parallel to the top of the detection box (1), the detection rod (3) is perpendicular to the movable plate (4), the cylinders (6) are uniformly arranged on one side of the scraper blade (2) far away from the top of the detection box (1), the cylinders (6) are fixed at the bottom of the detection box (1), the cylinders (6) drive the scraper blade (2) to move along the axial direction of the detection rod (3), the movable plate (4) is arranged on one side of the scraper blade (2) close to the cylinders (6) and between the two cylinders (6), the bottom end of the detection rod (3) is fixed on one side of the movable plate (4) close to the scraper blade (2), a gap is formed between the top end of the detection rod (3) and the scraper (2), a through hole is formed in the scraper (2), the through hole and the detection rod (3) are coaxially arranged, the aperture of the through hole is larger than the diameter of the detection rod (3), the distance sensors (5) are arranged on one side, far away from the detection rod (3), of the movable plate (4), the transmission assemblies are in one-to-one correspondence with the cylinders (6), the top of the scraper (2) is connected with the bottom of the movable plate (4) through the transmission assemblies, the connection assemblies are arranged on the movable plate (4) and in one-to-one correspondence with the cylinders (6), a PLC and an antenna are arranged in the detection box (1), and the distance sensors (5) and the antenna are electrically connected with the PLC;
the connecting assembly comprises a fixed rod (7), a limiting block (8), a spring (9) and a mounting hole, the fixed rod (7) is parallel to the detection rod (3), the mounting hole is formed in the moving plate (4), the fixed rod (7) penetrates through the mounting hole and is in sliding connection with the inner wall of the mounting hole, the bottom end of the fixed rod (7) is fixed to the bottom inside the detection box (1), the limiting block (8) is fixed to the bottom end of the fixed rod (7), the limiting block (8) is located between the moving plate (4) and the scraper (2), a gap is formed between the limiting block (8) and the scraper (2), the bottom of the moving plate (4) is connected with the bottom inside the detection box (1) through the spring (9), and the spring (9) is in a compressed state;
the heat dissipation mechanism is including removing subassembly, wind-force subassembly and two removal pipes (10), the axis that removes pipe (10) is perpendicular and crossing with the axis of detection pole (3), remove pipe (10) and detection hole one-to-one, remove pipe (10) and pass the detection hole, the inner wall slip and sealing connection who removes pipe (10) and detection hole, scraper blade (2) are located two and remove between pipe (10), the one side that is close to scraper blade (2) that removes pipe (10) is equipped with the spread groove, the one end that is close to detection pole (3) axis that the spread groove set up in removing pipe (10), wind-force subassembly sets up in one of them removal pipe (10), it sets up in the one side of keeping away from detection pole (3) of removing pipe (10) to remove the subassembly, it is close to or keeps away from the removal to remove two removal pipes (10) of subassembly drive.
2. The device for motor shaft inspection as claimed in claim 1, wherein the transmission assembly includes a connecting line (11) and a fixed pulley (12), the fixed pulley (12) is fixed at the bottom inside the inspection box (1), one end of the connecting line (11) is fixed on the scraper (2), and the other end of the connecting line (11) is fixed on the moving plate (4) by passing around the fixed pulley (12).
3. The device for motor shaft inspection according to claim 1, characterized in that the wind power assembly comprises a first motor (13) and a fan blade (14), the fan blade (14) is coaxially arranged with the moving pipe (10), the first motor (13) is fixed on the inner wall of the moving pipe (10), and the first motor (13) is in transmission connection with the fan blade (14).
4. The apparatus for motor shaft inspection as claimed in claim 1, wherein the moving assembly includes a second motor (15), a driving gear (16), a driven gear (17), a rotating shaft (18), and two moving units, the rotating shaft (18) is parallel to the moving tube (10), the driven gear (17) is installed on the rotating shaft (18), the second motor (15) is fixed on the inner wall of the inspection box (1), the driving motor is in driving connection with the driving gear (16), the driving gear (16) is engaged with the driven gear (17), and the two moving units are respectively disposed at both ends of the rotating shaft (18) and connected with the moving tube (10).
5. The device for motor shaft inspection according to claim 4, wherein the moving unit comprises a screw rod (19), a sliding block (20) and a bearing (21), the screw rod (19) is coaxially arranged with the rotating shaft (18), one end of the screw rod (19) is fixed on the rotating shaft (18), the inner ring of the bearing (21) is installed at the other end of the rotating shaft (18), the outer ring of the bearing (21) is fixed on the inner wall of the detection box (1), the sliding block (20) is sleeved on the screw rod (19), the joint of the sliding block (20) and the screw rod (19) is provided with a thread matched with the screw rod (19), the sliding block (20) is fixed on the moving pipe (10), and the thread directions of the two screw rods (19) are opposite.
6. The device for motor shaft inspection as recited in claim 4, characterized in that the screw (19) is coated with a lubricating oil.
7. The device for motor shaft inspection as recited in claim 4, characterized in that the second motor (15) is a servo motor.
8. The device for motor shaft inspection as recited in claim 1, characterized in that the material of the scraper blade (2) is rubber.
9. The apparatus for motor shaft inspection as set forth in claim 1, characterized in that the fixing rod (7) is provided with a chamfer.
10. The device for motor shaft inspection as recited in claim 1, characterized in that the moving plate (4) is provided with an anti-corrosion zinc coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285591.0A CN110988685B (en) | 2019-12-13 | 2019-12-13 | Device for motor shaft inspection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285591.0A CN110988685B (en) | 2019-12-13 | 2019-12-13 | Device for motor shaft inspection |
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| CN110988685A true CN110988685A (en) | 2020-04-10 |
| CN110988685B CN110988685B (en) | 2022-05-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776802A (en) * | 2021-09-17 | 2021-12-10 | 余雨娇 | Motor production device for motor output shaft stability detection function |
| CN116818322A (en) * | 2023-08-31 | 2023-09-29 | 沈阳金杯恒隆汽车转向系统有限公司 | Steering gear bearing radial rigidity test fixture |
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| CN116818322A (en) * | 2023-08-31 | 2023-09-29 | 沈阳金杯恒隆汽车转向系统有限公司 | Steering gear bearing radial rigidity test fixture |
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