CN117231591A - Hydraulic motor torque testing system and testing method - Google Patents
Hydraulic motor torque testing system and testing method Download PDFInfo
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- CN117231591A CN117231591A CN202311438837.XA CN202311438837A CN117231591A CN 117231591 A CN117231591 A CN 117231591A CN 202311438837 A CN202311438837 A CN 202311438837A CN 117231591 A CN117231591 A CN 117231591A
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- 238000009434 installation Methods 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
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- 239000006247 magnetic powder Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The application relates to a hydraulic motor torque testing system and a testing method, and relates to the technical field of motor testing; the hydraulic motor torque detection device comprises a fixed base, wherein the upper end of the fixed base is sequentially provided with a motor clamping assembly and a testing assembly along the length direction of the fixed base, the testing assembly comprises a torque acquisition device which is known in the prior art and used for detecting the hydraulic motor torque, and one side, close to the motor clamping assembly, of the torque acquisition device is provided with a positioning assembly; the application can solve the following problems in the process of the prior art: in the prior art, the installation position of the hydraulic motor is easy to deviate in the long-time test process, so that the stability of torque detection is affected. In addition, the mounting steps of the motor are complicated, and the testing efficiency is low when a large number of motor tests or motor tests with various specifications are performed; and secondly, when the output shaft of the motor is connected with the torque acquisition device, the deviation in the horizontal or height direction is easy to occur, so that the output shaft and the torque acquisition device are not on the same axis, and the accuracy of torque measurement is affected.
Description
Technical Field
The application relates to the technical field of motor testing, in particular to a hydraulic motor torque testing system and a testing method.
Background
The hydraulic motor is an important executive component of a hydraulic system, can convert hydraulic energy provided by a hydraulic pump into mechanical energy (torque and rotation speed) of an output shaft of the hydraulic motor, and is widely applied to the fields of injection molding machines, ships, hoisting machines, engineering machines, construction machines and the like. The output torque of the hydraulic motor is a key performance parameter, and the larger the output torque of the motor is, the higher the mechanical efficiency and the total efficiency are under the same inlet-outlet pressure difference. In both factory test and model test of the motor, the output torque value of the motor under different rotation speeds and inlet-outlet pressure differences is required to be measured.
In the current motor torque test system, as in the chinese patent with publication number CN209894484U, a motor torque test device is disclosed, the on-line screen storage device comprises a base, the base top surface of base one side is fixed with the riser perpendicularly, the motor has been placed in the top activity of rack, the rotation end of motor passes through shaft coupling fixed mounting between vertical notch that the riser lateral wall was equipped with and the torque sensor, torque sensor fixed mounting is at the top surface of base, and torque sensor passes through shaft coupling and fixed mounting at the magnetic powder clutch fixed mounting of base top surface, height adjusting device includes four fixed mounting engaging lugs at the rack lateral wall, the one end of rope has been kibbled on the engaging lug, the other end and the ring kibbling of rope, the top surface of ring is equipped with a plurality of dead lever that is annular distribution, the top and the disc bottom surface fixed connection of dead lever, the disc top surface is fixed and is equipped with the lug, lifting lug and rope winder's lifting rope fixed connection, rope winder fixed mounting is at the top surface of diaphragm, the lateral wall and the upper end lateral wall vertical welding of riser.
However, the motor torque testing system has some disadvantages in the actual use process:
1. in the prior art, the heights of the motor and the torque sensor are adjusted in a height adjusting mode, so that the situation that the mounting position of the motor is too high or too low is avoided, and the rotating end of the motor is inconvenient to connect with the torque sensor. In addition, to facilitate the handling and installation of the motor, the starting position of the rack is usually located on the top surface of the base. If the rack is arranged at other positions, the personnel risk of the motor in the hoisting and carrying processes can be increased, and the installation efficiency can be reduced; however, in the above prior art, the motor is placed on the roller on the placement frame, so that the roller on the placement frame of the motor can shake left and right in the process of lifting the placement frame, so that the motor and the torque sensor cannot be connected quickly, and the installation efficiency is affected.
2. In the prior art, when the output end of the motor is in butt joint with the torque sensor, the motor is directly fixed with the torque sensor, and although the motor is at the same height with the torque sensor after being lifted by the height, certain deviation can occur in the vertical or horizontal direction of a part connected with the motor output shaft and the torque sensor, namely the motor output shaft and the torque sensor are not on the same central axis, so that certain deviation can occur in the coaxiality of the motor output shaft and the torque sensor after being installed, and the accuracy of torque measurement is affected. If the coaxiality deviation is larger, the motor and the torque sensor can be damaged to different degrees under the working condition of high rotating speed or high torque.
Thus, under the above stated point of view, there is room for improvement in existing motor torque testing systems.
Disclosure of Invention
In order to solve the problems, the application provides a hydraulic motor torque testing system and a testing method.
The utility model provides a hydraulic motor moment of torsion test system, includes unable adjustment base, unable adjustment base's upper end has set gradually motor clamping subassembly and test assembly along its length direction, wherein: the testing assembly comprises a torque acquisition device which is used for detecting the torque of the hydraulic motor in the prior art, and a positioning assembly is arranged on one side, close to the motor clamping assembly, of the torque acquisition device.
The locating component comprises vertical plates which are symmetrically arranged at the upper end of a fixed base along the width direction, a circular fixing ring is arranged on one side, close to each other, of each vertical plate, locating springs are fixedly arranged between the circular fixing ring and each vertical plate, a locating sleeve is slidably arranged on the inner side of each circular fixing ring along the length direction of each circular fixing ring, one end, close to the motor clamping component, of each locating sleeve is of a conical structure, and one end, close to the motor clamping component, of each locating sleeve in the radial direction of each locating sleeve is gradually enlarged.
Preferably, the motor clamping assembly comprises a support frame fixedly connected with the upper end of a fixed base, two groups of guide posts distributed along the length direction of the fixed base are fixedly installed on the support frame, two groups of clamping plates are jointly installed on the guide posts in a sliding mode and distributed symmetrically along the width direction of the fixed base, two groups of clamping plates are fixedly connected with horizontal transverse plates for placing hydraulic motors on the opposite sides of the clamping plates, telescopic grooves are further formed in the opposite sides of the clamping plates at equal intervals, telescopic springs are fixedly installed in the telescopic grooves, and saw-tooth blocks sliding along the telescopic grooves are fixedly connected to the telescopic springs.
The middle part of two sets of grip block has seted up the screw hole, threaded hole installs the regulation threaded rod through the mode of threaded connection, the regulation threaded rod passes through the support and rotates the upper end of installing at unable adjustment base, one side fixed mounting of regulation threaded rod has the rotation handle.
Preferably, two sets of sliding grooves are formed in one side, opposite to the horizontal transverse plates, of each horizontal transverse plate, the telescopic plates are slidably mounted in the sliding grooves, and reset pressure springs are connected between the telescopic plates and the inner walls of the sliding grooves of the horizontal transverse plates.
Preferably, the one end that the positioning sleeve is close to motor clamping subassembly is provided with the central axis fine setting module that carries out coaxial positioning with the output shaft of test assembly and hydraulic motor, central axis fine setting module is including the guide bar of its equidistant articulated installation of circumference direction on the inner wall that the positioning sleeve is close to motor clamping subassembly one end, be connected with the fine setting pressure spring between guide bar and the positioning sleeve's the inner wall.
The locating sleeve is far away from the connecting frame that two sets of upper and lower distributions of motor clamping subassembly one end fixed mounting, set up flexible round hole on the connecting frame, slidable mounting has flexible post in the flexible round hole, two sets of connect jointly on the flexible post and carry out the board, set up on the locating sleeve and supply to carry out the board along the gliding expansion groove of locating sleeve length direction.
The one end fixed mounting that the execution board kept away from flexible post has flexible pressure spring, the one end fixed connection locating needle that the execution board was kept away from to flexible pressure spring.
Preferably, the telescopic column is kept away from the clamping unit that is provided with of one end linkage of executing the board, the clamping unit includes the clamping lever of circumference direction slidable mounting on the positioning sleeve, the middle part of clamping lever one side is fixed with the installation piece, be connected with the haulage rope on the installation piece, the one end fixedly connected with fixed plate of installation piece is kept away from to the haulage rope, the fixed plate links to each other with the telescopic column one end of keeping away from the executing the board, rotate on the outer wall of positioning sleeve and be connected with a plurality of guide rolls of fixing at the positioning sleeve inner wall, the haulage rope cover is established on the guide roll.
The top fixedly connected with connecting spring of clamping lever, connecting spring keeps away from the one end fixed mounting connecting plate of clamping lever, the connecting plate is installed on the positioning sleeve.
Preferably, the fixed base is provided with a long strip moving groove along the length direction, a moving plate is slidably arranged in the long strip moving groove, and the upper end of the moving plate is connected with the vertical plate.
Preferably, one end of the positioning sleeve, which is close to the execution plate, is fixed with a disc type torque acquisition device, and the disc type torque acquisition device is connected with the torque acquisition device through a data line.
In addition, the application also provides a hydraulic motor torque test method, which comprises the following steps:
s1, fixing a motor: the hydraulic motor to be tested is placed on a horizontal transverse plate of the motor clamping assembly, then an operator rotates an adjusting threaded rod to drive the clamping plate to clamp the hydraulic motor on the horizontal transverse plate in a centered manner, and meanwhile, the saw-tooth block on the clamping plate is used for limiting the horizontal direction of the hydraulic motor, so that the stability of the hydraulic motor is guaranteed;
s2, preliminary positioning: after the hydraulic motor is fixed, an operator pushes the moving plate to approach in the direction of the hydraulic motor, so that the whole positioning sleeve approaches in the direction of the output shaft of the hydraulic motor until the positioning sleeve is completely sleeved on the output shaft of the hydraulic motor, and the initial positioning of the output shaft of the hydraulic motor and the positioning sleeve is completed at the moment;
s3, accurate positioning: when an operator pushes the moving plate to approach the direction of the hydraulic motor, the output shaft of the hydraulic motor finely adjusts the position of the positioning sleeve under the action of the guide bar in the positioning sleeve, so that the positioning needle in the positioning sleeve is abutted against the central axis of the output shaft of the hydraulic motor, and then the positioning needle is extruded by the output shaft of the hydraulic motor, so that the positioning needle is compressed;
s4, torque test: after the positioning is completed between the output shaft of the hydraulic motor and the positioning sleeve, an operator starts the hydraulic motor to test the torque of the hydraulic motor.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the application, the hydraulic motor placed on the horizontal transverse plate can be quickly fixed through the cooperation between the clamping plate and the horizontal transverse plate, and the position of the hydraulic motor is regulated when the hydraulic motor is fixed, so that the hydraulic motor is always in a centered state, the clamping stability of the hydraulic motor is ensured, and the output shaft of the subsequent hydraulic motor and the positioning sleeve ring can be quickly fixed.
2. According to the application, through the cooperation between the positioning needle and the guide strip, the positioning sleeve can be finely adjusted within a certain range, so that the output shaft of the hydraulic motor and the positioning sleeve ring are positioned on the same central axis, the coaxiality of the output shaft of the hydraulic motor and the positioning sleeve ring is ensured to be consistent, and the deviation of torque measurement caused by the vertical or horizontal deviation of installation between the output shaft of the hydraulic motor and the positioning sleeve ring is reduced.
3. When coaxiality adjustment is carried out on the output shaft of the hydraulic motor and the positioning lantern ring, linkage fixation is effectively ensured between the output shaft of the hydraulic motor and the positioning lantern ring, and the detection efficiency of the torque of the hydraulic motor is remarkably improved.
Drawings
The application will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the main structure of the present application.
Fig. 2 is a schematic structural view of the motor clamping assembly of the present application.
Fig. 3 is a schematic view of the structure of the horizontal cross plate of the present application.
Fig. 4 is a schematic view of the positioning assembly of the present application.
Fig. 5 is a schematic structural view of the central axis fine tuning module of the present application.
Fig. 6 is a schematic view of a first view angle structure between the central axis fine tuning module and the clamping unit.
Fig. 7 is a schematic structural view of the clamping unit of the present application.
Fig. 8 is a schematic view of a second view angle structure between the central axis fine tuning module and the clamping unit.
Fig. 9 is a flow chart of a hydraulic motor torque testing method of the present application.
In the figure, A, a hydraulic motor; 1. a fixed base; 2. a motor clamping assembly; 3. a testing component; 4. a torque acquisition device; 5. a positioning assembly; 50. a vertical plate; 51. a circular fixing ring; 52. a positioning spring; 53. positioning a sleeve; 20. a support frame; 21. a guide post; 22. a clamping plate; 23. a horizontal cross plate; 24. adjusting a threaded rod; 25. rotating the handle; 26. a telescopic spring; 27. a saw tooth block; 230. a telescoping plate; 231. resetting a pressure spring; 6. a central axis fine adjustment module; 60. a guide bar; 61. fine-tuning a pressure spring; 62. a connecting frame; 63. a telescopic column; 64. a performance board; 65. a telescopic compression spring; 66. a positioning needle; 7. a clamping unit; 70. a clamping rod; 71. a mounting block; 72. a traction rope; 73. a guide roller; 74. a connecting spring; 75. a connecting plate; 76. a fixing plate; 80. a moving plate; 90. disc type torque acquisition device.
Detailed Description
Embodiments of the application are described in detail below with reference to fig. 1-9, but the application can be implemented in a number of different ways, which are defined and covered by the claims.
The embodiment of the application discloses a hydraulic motor torque testing system and a testing method, which are used for mainly detecting the torque of a motor, and can be used for avoiding the problem that the coaxiality tolerance between the output shaft of the motor and a detector influences the accuracy of motor torque testing due to the deviation in the vertical or horizontal direction between the output shaft of the motor and the detector; particularly, when the motor is detected, the stability of installation between the output end of the motor and the detector is poor, and separation between the motor and the detector is easy to occur, so that equipment is damaged, and even safety accidents are caused.
Embodiment one:
referring to fig. 1, a hydraulic motor a torque testing system and a testing method thereof, the testing system comprises a fixed base 1, wherein a motor clamping assembly 2 and a testing assembly 3 are sequentially arranged at the upper end of the fixed base 1 along the length direction of the fixed base, the testing assembly 3 comprises a torque acquisition device 4 which is used for detecting the torque of the hydraulic motor a in the prior art, and a positioning assembly 5 is arranged at one side, close to the motor clamping assembly 2, of the torque acquisition device 4.
In this embodiment, when an operator performs torque test on the hydraulic motor a, the hydraulic motor a is clamped and fixed by the motor clamping assembly 2, and after the hydraulic motor a is completed and fixed, the hydraulic motor a is detected by the testing assembly 3, but before the detection, the output end of the hydraulic motor a is fixedly connected with the positioning sleeve 53 on the torque acquisition device 4, so that the output end of the hydraulic motor a and the positioning sleeve 53 on the torque acquisition device 4 are fixedly connected on the same central axis, and the coaxiality of the output shaft of the hydraulic motor a and the coaxiality of the positioning sleeve 53 on the torque acquisition device 4 are kept to be consistent, so that the accuracy of torque detection is improved.
Referring to fig. 2 and 3, the motor clamping assembly 2 includes a supporting frame 20 fixedly connected to the upper end of the fixed base 1, two groups of guide posts 21 distributed along the length direction of the fixed base 1 are fixedly mounted on the supporting frame 20, clamping plates 22 symmetrically distributed along two sides of the width direction of the fixed base 1 are jointly slidably mounted on the two groups of guide posts 21, and horizontal transverse plates 23 for placing the hydraulic motor a are fixedly connected to opposite sides of the two groups of clamping plates 22.
Threaded holes are formed in the middle of the two groups of clamping plates 22, an adjusting threaded rod 24 is installed in the threaded holes in a threaded connection mode, the adjusting threaded rod 24 is installed at the upper end of the fixed base 1 in a rotating mode through a support, and a rotating handle 25 is fixedly installed on one side of the adjusting threaded rod 24.
It should be noted that the adjusting threaded rod 24 has a symmetrically distributed bidirectional thread structure.
Then, an operator places the hydraulic motor A on the horizontal transverse plates 23 on the two clamping plates 22, supports the hydraulic motor A through the horizontal transverse plates 23, then rotates the adjusting threaded rod 24, and drives the two symmetrically distributed clamping plates 22 in threaded connection on the driver to move relatively in the rotating process of the adjusting threaded rod 24 until the two clamping plates 22 clamp the outer wall of the hydraulic motor A, so that the hydraulic motor A is fixed.
The rotation adjustment threaded rod 24 is adjusted with a rotation knob 25 to provide the desired rotation rate.
A telescopic spring 27 is fixedly arranged in the telescopic groove, and a sawtooth block 26 sliding along the telescopic groove is fixedly connected to the telescopic spring 27; when the clamping plate 22 clamps the hydraulic motor a longitudinally, the hydraulic motor a may generate horizontal vibration due to vibration in the torque detection process, so that the hydraulic motor a is offset, and therefore, after the clamping plate 22 fixes the hydraulic motor a, the saw-tooth blocks 26 on the clamping plate 22 limit the hydraulic motor a.
In this process, the clamping plate 22 clamps the hydraulic motor a longitudinally, the saw-tooth blocks 26 in the clamping plate 22 at the contact part with the side wall of the hydraulic motor a are retracted into the telescopic slots, while the saw-tooth blocks 26 at the part of the clamping plate 22 longer than the hydraulic motor a extend out of the telescopic slots, and the saw-tooth blocks 26 extend out to abut against the left and right sides of the hydraulic motor a to limit the hydraulic motor a.
Referring again to fig. 2 and 3, a schematic view of the horizontal cross plate 23 is shown; the opposite sides of the two groups of horizontal transverse plates 23 are provided with sliding grooves, the telescopic plates 230 are slidably arranged in the sliding grooves, and a reset pressure spring 231 is connected between the telescopic plates 230 and the inner walls of the sliding grooves of the horizontal transverse plates 23.
Under the initial condition, two horizontal diaphragm 23 support each other and lean on together, when operating personnel place hydraulic motor A this moment, can be with arbitrary place the certain position of horizontal diaphragm 23 of hydraulic motor A, can both support it through horizontal diaphragm 23, then operating personnel can both drive two grip blocks 22 synchronous relative movement when rotating adjusting threaded rod 24, consequently two grip blocks 22 can adjust hydraulic motor A's position, make it be located the middle part of whole equipment, for follow-up hydraulic motor A's output with can fix a position fast preparation.
According to the embodiment, not only can the hydraulic motor A be clamped in the middle, but also the hydraulic motor A with different sizes can be clamped and fixed, so that the hydraulic motor A with different sizes can be clamped effectively, and the applicability of the hydraulic motor A clamping device is greatly improved.
Referring to fig. 4 and 5, a schematic structural diagram of the fixed connection between the output end of the hydraulic motor a and the torque acquisition device 4 is shown; the positioning assembly 5 comprises vertical plates 50 symmetrically arranged at the upper end of a fixed base 1 along the width direction, a circular fixing ring 51 is arranged on one side, close to each other, of each vertical plate 50, positioning springs 52 are fixedly arranged between each circular fixing ring 51 and each vertical plate 50, a positioning sleeve 53 is slidably arranged on the inner side of each circular fixing ring 51 along the length direction of each circular fixing ring, one end, close to the motor clamping assembly 2, of each positioning sleeve 53 is of a conical structure, and one end, close to the motor clamping assembly 2, of each positioning sleeve 53 in the radial direction is gradually enlarged.
The fixed base 1 is provided with a long moving groove along the length direction thereof, a moving plate 80 is slidably mounted in the long moving groove, and the upper end of the moving plate 80 is connected with the vertical plate 50.
When the hydraulic motor a is fixed, the operator pushes the moving plate 80 to approach the moving plate 80 toward the direction of the hydraulic motor a until the positioning sleeve 53 is sleeved on the output shaft of the hydraulic motor a, and the positioning sleeve 53 is synchronously adjusted in position during the process that the positioning sleeve 53 is sleeved on the output shaft of the hydraulic motor a.
The main purpose of the conical structure at the end of the positioning sleeve 53 close to the motor clamping assembly 2 is to fix the position of the output shaft of the hydraulic motor a with different diameters, so that the applicability of the embodiment is greatly improved.
Referring to fig. 5 and 6, a schematic structural diagram is shown in which fine adjustment is performed between the positioning sleeve 53 and the hydraulic motor a, so that the central axis of the output end of the hydraulic motor a coincides with the central axis of the positioning sleeve 53; the one end that the positioning sleeve 53 is close to motor clamping subassembly 2 is provided with the central axis fine setting module 6 that carries out coaxial positioning with the output shaft of hydraulic motor A with test assembly 3, and central axis fine setting module 6 includes the guide bar 60 of its equidistant articulated installation of circumference direction on the inner wall that the positioning sleeve 53 is close to motor clamping subassembly 2 one end, is connected with fine setting pressure spring 61 between the inner wall of guide bar 60 and positioning sleeve 53.
Two groups of connecting frames 62 which are distributed up and down are fixedly arranged at one end of the positioning sleeve 53 far away from the motor clamping assembly 2, telescopic round holes are formed in the connecting frames 62, telescopic columns 63 are slidably arranged in the telescopic round holes, the two groups of telescopic columns 63 are jointly connected with an execution plate 64, and telescopic grooves for the execution plate 64 to slide along the length direction of the positioning sleeve 53 are formed in the positioning sleeve 53.
The end of the actuating plate 64 far away from the telescopic column 63 is fixedly provided with a telescopic compression spring 65, and the end of the telescopic compression spring 65 far away from the actuating plate 64 is fixedly connected with a positioning needle 66.
When the positioning sleeve 53 approaches to the output end of the hydraulic motor a, the guide bar 60 at the inner side of the positioning sleeve 53 extrudes the hydraulic motor a, and then the whole positioning sleeve 53 starts to perform position adjustment under the action of the positioning spring 52, so that the positioning sleeve 53 is always on the same central axis with the output shaft of the hydraulic motor a, and along with the continuous approach of the positioning sleeve 53 to the output end of the hydraulic motor a, the positioning needle 66 at the middle part of the inner side of the positioning sleeve 53 abuts against the groove at the front side of the output end of the hydraulic motor a.
Referring to fig. 6, 7 and 8, a schematic structural diagram of the connection between the positioning sleeve 53 and the output end of the hydraulic motor a is shown; the telescopic column 63 is kept away from the one end linkage of executing plate 64 and is provided with clamping unit 7, clamping unit 7 includes on the positioning sleeve 53 along circumference direction slidable mounting's clamping lever 70, the middle part of clamping lever 70 one side is fixed with the installation piece 71, be connected with haulage rope 72 on the installation piece 71, the one end fixedly connected with fixed plate 76 of installation piece 71 is kept away from to haulage rope 72, the fixed plate 76 links to each other with the telescopic column 63 one end of keeping away from executing plate 64, rotate on the outer wall of positioning sleeve 53 and be connected with a plurality of guide rolls 73 of fixing at the positioning sleeve 53 inner wall, the haulage rope 72 cover is established on guide roll 73.
The top of the clamping rod 70 is fixedly connected with a connecting spring 74, one end of the connecting spring 74 away from the clamping rod 70 is fixedly provided with a connecting plate 75, and the connecting plate 75 is arranged on the positioning sleeve 53.
After the positioning pin 66 abuts against the output shaft of the hydraulic motor a, the operator continues to push the moving plate 80 to move in the direction of the hydraulic motor a, at this time, the positioning pin 66 is subject to resistance to start moving to the opposite side of the moving direction of the moving plate 80, and meanwhile, the positioning pin 66 presses the telescopic pressure spring 65 until the telescopic pressure spring 65 reaches the external force of maximum compression, and after the positioning pin 66 starts pressing the executing plate 64, the executing plate 64 is driven to drive the telescopic column 63 to move to the end far away from the positioning sleeve 53.
At the same time, the telescopic column 63 starts to pull the traction rope 72 in a straightened state in the initial state, after one end of the traction rope 72 receives an external force, the other end of the traction rope 72 moves synchronously, so that the traction rope 72 pulls the clamping rod 70 to move towards the direction close to the inner side of the positioning sleeve 53 until the clamping rod 70 abuts against the output end of the hydraulic motor A, and at the moment, an operator stops pushing the moving plate 80, so that the output shaft of the hydraulic motor A and the positioning sleeve 53 are positioned and fixed quickly.
Referring to fig. 8, a disc-type torque collecting device 90 is fixed at one end of the positioning sleeve 53 near the execution plate 64, and the disc-type torque collecting device 90 is wirelessly connected with the torque collecting device 4. When the output shaft of the hydraulic motor a is quickly fixed with the positioning sleeve 53, the hydraulic motor a is started, and at this moment, the hydraulic motor a drives the disc type torque acquisition device 90 to rotate through the positioning sleeve 53 in the rotating process, at this moment, the disc type torque acquisition device 90 detects the torque of the hydraulic motor a, and in the detecting process, detected data are transmitted to the torque acquisition device 4.
The torque is a word for expressing the rotation force, and the torque can be obtained by measuring the rotation force, and after the force generated by the hydraulic motor in the moment is obtained, the operator can calculate the torque at the moment.
Referring to fig. 9, a hydraulic motor a torque testing system is characterized in that: the torque test method of the hydraulic motor A is as follows:
s1, fixing a motor: the hydraulic motor to be tested is placed on the horizontal transverse plate 23 of the motor clamping assembly 2, then an operator rotates the adjusting threaded rod 24 to drive the clamping plate 22 to clamp the hydraulic motor on the horizontal transverse plate 23 in the middle, and meanwhile the saw-tooth block 26 on the clamping plate 22 limits the horizontal direction of the hydraulic motor, so that the stability of the hydraulic motor is guaranteed.
S2, preliminary positioning: after the hydraulic motor is fixed, the operator pushes the moving plate 80 to approach the direction of the hydraulic motor, so that the whole positioning sleeve 53 approaches the direction of the output shaft of the hydraulic motor until the positioning sleeve 53 is completely sleeved on the output shaft of the hydraulic motor, and the initial positioning of the output shaft of the hydraulic motor and the positioning sleeve 53 is completed at the moment.
S3, accurate positioning: when the operator pushes the moving plate 80 to approach the direction of the hydraulic motor, the output shaft of the hydraulic motor is under the action of the guide bar 60 in the positioning sleeve 53 to finely adjust the position of the positioning sleeve 53, so that the positioning needle 66 in the positioning sleeve is abutted against the central axis of the output shaft of the hydraulic motor, and then the positioning needle 66 is extruded by the output shaft of the hydraulic motor, so that the positioning needle 66 is compressed, in the process, the clamping rod 70 clamps and fixes the output shaft of the hydraulic motor entering the positioning sleeve 53, at the moment, the output shaft of the hydraulic motor is fixed with the positioning sleeve 53, and at the same time, the output shaft of the hydraulic motor and the positioning sleeve 53 are on the same central axis.
S4, torque test: when the positioning is completed between the output shaft of the hydraulic motor and the positioning sleeve 53, the operator starts the hydraulic motor to test its torque.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a hydraulic motor torque test system, includes unable adjustment base (1), its characterized in that: the upper end of unable adjustment base (1) has set gradually motor clamping subassembly (2) and test assembly (3) along its length direction, wherein: the testing assembly (3) comprises a torque acquisition device (4) which is used for detecting the torque of the hydraulic motor in the prior art, and a positioning assembly (5) is arranged on one side, close to the motor clamping assembly (2), of the torque acquisition device (4);
the positioning assembly (5) comprises vertical plates (50) symmetrically arranged at the upper end of a fixed base (1) along the width direction, round fixing rings (51) are arranged on one sides, close to each other, of the vertical plates (50), positioning springs (52) are fixedly arranged between the round fixing rings (51) and the two vertical plates (50), positioning sleeves (53) are slidably arranged on the inner sides of the round fixing rings (51) along the length direction of the round fixing rings, one ends, close to the motor clamping assembly (2), of the positioning sleeves (53) are of conical structures, and one ends, close to the motor clamping assembly (2), of the inner radial directions of the positioning sleeves are gradually enlarged.
2. A hydraulic motor torque testing system according to claim 1, wherein: the motor clamping assembly (2) comprises a support frame (20) fixedly connected with the upper end of a fixed base (1), two groups of guide posts (21) distributed along the length direction of the fixed base (1) are fixedly installed on the support frame (20), clamping plates (22) symmetrically distributed along the two sides of the width direction of the fixed base (1) are jointly and slidably installed on the guide posts (21), horizontal transverse plates (23) for placing a hydraulic motor are fixedly connected to the opposite sides of the clamping plates (22), telescopic grooves are formed in the opposite sides of the clamping plates (22) at equal intervals, telescopic springs (27) are fixedly installed in the telescopic grooves, and sawtooth blocks (26) sliding along the telescopic grooves are fixedly connected to the telescopic springs (27);
the middle parts of the two groups of clamping plates (22) are provided with threaded holes, an adjusting threaded rod (24) is installed in the threaded holes in a threaded connection mode, the adjusting threaded rod (24) is installed at the upper end of the fixed base (1) in a rotating mode through a support, and a rotating handle (25) is fixedly installed on one side of the adjusting threaded rod (24).
3. A hydraulic motor torque testing system according to claim 2, wherein: two sets of horizontal diaphragm (23) opposite one side has all been seted up the spout, and sliding fit has expansion plate (230) in the spout, be connected with between expansion plate (230) and the spout inner wall of horizontal diaphragm (23) pressure spring (231) that resets.
4. A hydraulic motor torque testing system according to claim 1, wherein: the automatic testing device is characterized in that one end, close to the motor clamping assembly (2), of the positioning sleeve (53) is provided with a central axis fine adjustment module (6) for coaxially positioning the testing assembly (3) and an output shaft of the hydraulic motor, the central axis fine adjustment module (6) comprises guide strips (60) which are hinged to the inner wall, close to one end of the motor clamping assembly (2), of the positioning sleeve (53) at equal intervals along the circumferential direction of the inner wall, and fine adjustment pressure springs (61) are connected between the guide strips (60) and the inner wall of the positioning sleeve (53);
two groups of connecting frames (62) which are distributed up and down are fixedly arranged at one end, far away from the motor clamping assembly (2), of the positioning sleeve (53), telescopic round holes are formed in the connecting frames (62), telescopic columns (63) are slidably arranged in the telescopic round holes, the two groups of telescopic columns (63) are jointly connected with an execution plate (64), and telescopic grooves for the execution plate (64) to slide along the length direction of the positioning sleeve (53) are formed in the positioning sleeve (53);
one end of the execution plate (64) far away from the telescopic column (63) is fixedly provided with a telescopic pressure spring (65), and one end of the telescopic pressure spring (65) far away from the execution plate (64) is fixedly connected with a positioning needle (66).
5. A hydraulic motor torque testing system according to claim 4, wherein: the telescopic column is characterized in that a clamping unit (7) is arranged at one end of the telescopic column (63) far away from the execution plate (64) in a linkage manner, the clamping unit (7) comprises a clamping rod (70) which is slidably mounted on a positioning sleeve (53) along the circumferential direction, a mounting block (71) is fixedly arranged in the middle of one side of the clamping rod (70), a traction rope (72) is connected to the mounting block (71), a fixing plate (76) is fixedly connected to one end of the traction rope (72) far away from the mounting block (71), the fixing plate (76) is connected with one end of the telescopic column (63) far away from the execution plate (64), a plurality of guide rollers (73) which are fixedly arranged on the inner wall of the positioning sleeve (53) are rotatably connected to the outer wall of the positioning sleeve (53), and the traction rope (72) is sleeved on the guide rollers (73);
the top fixedly connected with connecting spring (74) of clamping lever (70), connecting spring (74) keep away from clamping lever (70) one end fixed mounting connecting plate (75), connecting plate (75) are installed on positioning sleeve (53).
6. A hydraulic motor torque testing system according to claim 1, wherein: the fixed base (1) is provided with a strip moving groove along the length direction, a moving plate (80) is slidably arranged in the strip moving groove, and the upper end of the moving plate (80) is connected with the vertical plate (50).
7. A hydraulic motor torque testing system according to claim 1, wherein: one end of the positioning sleeve (53) close to the execution plate (64) is fixed with a disc type torque acquisition device (90), and the disc type torque acquisition device (90) is connected with the torque acquisition device (4) in a wireless mode.
8. A hydraulic motor torque test method comprising a hydraulic motor torque test system as claimed in any one of claims 1 to 7, characterized in that: the hydraulic motor torque test method is as follows:
s1, fixing a motor: the hydraulic motor to be tested is placed on a horizontal transverse plate (23) of the motor clamping assembly (2), then an operator rotates an adjusting threaded rod (24) to drive a clamping plate (22) to clamp the hydraulic motor on the horizontal transverse plate (23) in the middle, and stability of the hydraulic motor is guaranteed; s2, preliminary positioning: after the hydraulic motor is fixed, an operator pushes the moving plate (80) to approach in the direction of the hydraulic motor, so that the whole positioning sleeve (53) approaches in the direction of the output shaft of the hydraulic motor until the positioning sleeve (53) is completely sleeved on the output shaft of the hydraulic motor, and then the preliminary positioning of the output shaft of the hydraulic motor and the positioning sleeve (53) is completed;
s3, accurate positioning: when an operator pushes the moving plate (80) to approach the direction of the hydraulic motor, the output shaft of the hydraulic motor is subjected to fine adjustment under the action of the guide strip (60) in the positioning sleeve (53), so that the positioning needle (66) in the positioning sleeve (53) is abutted against the central axis of the output shaft of the hydraulic motor, then the positioning needle (66) is extruded by the output shaft of the hydraulic motor, so that the positioning needle (66) is compressed, in the process, the clamping rod (70) clamps and fixes the output shaft of the hydraulic motor entering the positioning sleeve (53), and the output shaft of the hydraulic motor is fixed with the positioning sleeve (53) at the moment, and meanwhile, the output shaft of the hydraulic motor and the positioning sleeve (53) are on the same central axis;
s4, torque test: when the positioning is completed between the output shaft of the hydraulic motor and the positioning sleeve (53), the operator starts the hydraulic motor to test the torque.
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CN117647667A (en) * | 2024-01-29 | 2024-03-05 | 黑龙江凯捷电力科学研究院(个人独资) | New energy automobile motor test bench |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN117647667A (en) * | 2024-01-29 | 2024-03-05 | 黑龙江凯捷电力科学研究院(个人独资) | New energy automobile motor test bench |
CN117647667B (en) * | 2024-01-29 | 2024-04-16 | 黑龙江凯捷电力科学研究院(个人独资) | New energy automobile motor test bench |
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