CN117109910A - Planet speed reducer performance test assembly of crane - Google Patents
Planet speed reducer performance test assembly of crane Download PDFInfo
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- CN117109910A CN117109910A CN202311365810.2A CN202311365810A CN117109910A CN 117109910 A CN117109910 A CN 117109910A CN 202311365810 A CN202311365810 A CN 202311365810A CN 117109910 A CN117109910 A CN 117109910A
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 129
- 238000011056 performance test Methods 0.000 title claims description 9
- 238000012360 testing method Methods 0.000 claims abstract description 94
- 238000001514 detection method Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000011087 paperboard Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 19
- 239000011111 cardboard Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 2
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- 238000005299 abrasion Methods 0.000 description 1
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- 239000003086 colorant Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012854 evaluation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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Abstract
The invention belongs to the technical field of speed reducer performance testing equipment, and discloses a planetary speed reducer performance testing assembly of a crane, which comprises a base box, a testing motor fixedly connected in the base box, a sliding seat which is connected in a sliding way left and right in the base box, an adjusting screw which is connected in the base box in a rotating way, a driving handle which is coaxially and fixedly connected with the sliding seat, a speed reducer supporting device which is connected with the sliding seat, a planetary speed reducer which is arranged at the upper end of the speed reducer supporting device, the planetary speed reducer and the testing motor are connected, a return clearance testing device which is arranged at the left side of the planetary speed reducer, and a sliding sleeve which is connected in a sliding way left and right in the base box, wherein the sliding sleeve is connected with a driving screw which is connected in the base box in a sliding way, and the driving screw is connected with a driving motor which is fixedly connected on the base box; and the structure is succinct, and the practicality is strong.
Description
Technical Field
The invention relates to the technical field of speed reducer performance testing equipment, in particular to a planetary speed reducer performance testing assembly of a crane.
Background
The planetary reducer has the advantages of small volume, high transmission working efficiency and high precision, and is widely applied to servo, stepping and direct current motor transmission systems, in particular to the field of cranes. Therefore, the performance of the planetary reducer directly affects the transmission stability of various transmission systems, and the return clearance, the average service life and the working temperature of the planetary reducer and the overall vibration performance in the transmission process are not negligible except for the necessary parameters of the transmission ratio and the average service life, so that the test of the return clearance, the working temperature and the vibration performance of the planetary reducer is indispensable in the performance evaluation process.
The invention of application number CN201410639836.6 discloses a speed reducer test system, in which torque loads on an input shaft and an output gear are internal stress of a closed loop system, external power is not needed to provide, and only one driving motor for overcoming internal friction of the closed loop system is needed in power, so that a transmission test platform is provided by corresponding motors corresponding to input torque and output torque respectively; the torsion spring is deformed when the torque is loaded, the rigidity of the closed loop system can be reduced by the torsion spring, and meanwhile, when the same torque is loaded, the dislocation angle travel of the dislocation torque loading mechanism is larger, the torque reduction caused by deformation such as gear abrasion is greatly reduced, the stability of the closed loop system is improved, and the condition that the torque is reloaded due to shutdown caused by the reduction of the torque of the input shaft of the speed reducer in the test process is avoided. The novel high-precision speed reducer return clearance detection mechanism disclosed by application number CN202020599932.3 solves the problem of carrying out return clearance test on the planetary speed reducer through the arrangement of a servo motor, an angle sensor and a control system, and avoids the problem of large manual test error. Although the performance test of the planetary reducer is realized, the following problems still exist, in particular:
in the application process of the speed reducer, the influence of vibration on the speed reducer is also great, and the vibration measured values under different loads are different, so that the vibration detection is particularly necessary in the running process of the speed reducer;
2. in the return clearance measurement process of the speed reducer, although the measurement can be performed through an angle sensor, the measurement can be performed only through a transmitted signal, and the check confirmation can not be performed according to an actual rotation track, so that after the transmission is failed or the angle sensor is failed, the check can not be performed in time, and the accuracy of a test result can not be confirmed;
3. in the vibration performance test process, although the vibration condition can be tested through the vibration sensor, the vibration condition cannot be observed intuitively in real time on site, and meanwhile, the vibration result cannot be compared and confirmed according to the site condition.
Accordingly, the present invention provides a planetary reducer performance testing assembly for a crane to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the performance testing component of the planetary reducer of the crane, which effectively solves the problems that the return clearance, the vibration performance and the working temperature cannot be effectively tested in the performance testing process of the planetary reducer, and meanwhile, the test result cannot be checked and confirmed through the sensor testing process, so that errors or larger errors are obtained without checking and confirming when the sensor fails or transmission fails.
The invention comprises a base box, a test motor fixedly connected in the base box, a sliding seat is connected in the base box in a left-right sliding way, the sliding seat is in threaded connection with an adjusting screw rod rotatably connected in the base box, the adjusting screw rod is coaxially and fixedly connected with a driving handle, a speed reducer supporting device is connected on the sliding seat, a planetary speed reducer is arranged at the upper end of the speed reducer supporting device, and the planetary speed reducer is connected with the test motor;
the device is characterized in that a return clearance testing device is arranged on the left side of the planetary reducer, the return clearance testing device comprises a sliding sleeve which is connected with the base box in a left-right sliding mode, the sliding sleeve is connected with a driving screw rod in the base box in a threaded mode, the driving screw rod is connected with a driving motor fixedly connected to the base box, a sliding limiting cylinder is coaxially connected with the sliding sleeve in a left-right sliding mode, the sliding limiting cylinder is connected with a micro-motion screw rod in a threaded mode on the sliding sleeve in a rotating mode, the micro-motion screw rod is connected with an external driving device, a recording round paper board is coaxially arranged in the sliding limiting sleeve, a connecting shaft sleeve is coaxially connected with the sliding sleeve in a rotating mode, and the connecting shaft sleeve is connected with a recording pen in contact connection with the recording round paper board.
Preferably, the vibration testing device is arranged above the planetary reducer, the vibration testing device comprises a lifting frame which is connected with the base box in a vertical sliding manner, the lifting frame is connected with a lifting screw rod in the base box in a threaded manner in a rotating manner, the lower end of the lifting frame is fixedly connected with an arc-shaped hanging frame, the lower end of the arc-shaped hanging frame is connected with a plurality of equidistant vibration testing sleeves, the vibration testing sleeves are connected with vibration sensors in a sliding manner, the vibration sensors are connected with the vibration testing sleeves through springs, and the vibration sensors are connected with a control module on the base box in a fixed manner.
Preferably, the speed reducer supporting device comprises a lifting bracket which is connected with the sliding seat in a vertical sliding manner, the lifting bracket is connected with a rotating threaded rod on the sliding seat in a threaded manner, two symmetrically distributed supporting brackets are connected with the lifting bracket in a left-right sliding manner, two supporting brackets are connected with the supporting bracket in a rotating manner, a rotating sleeve is coaxially and fixedly connected with the middle position of the double-headed screw rod, a limiting connecting rod is connected between the two supporting brackets, two ends of the limiting connecting rod are connected with the corresponding supporting brackets through springs respectively, and the upper ends of the supporting brackets are connected with the planetary reducer in a contact manner.
Preferably, a vibration detection cylinder connected with the arc-shaped hanging frame is arranged between the vibration sensors, a vibration detection needle connected with the planetary reducer in contact is coaxially connected in a sliding manner up and down in the vibration detection cylinder, and the vibration detection cylinder is respectively communicated with a conical tube fixedly connected to the arc-shaped hanging frame;
the base box on set up the observation box, the observation box in fixedly connected with a plurality of and the corresponding demonstration transparent tube of conical tube, demonstration transparent tube and corresponding conical tube be linked together through the pipe, with the group show transparent tube, pipe, conical tube and vibration detection section of thick bamboo intussuseption fill the liquid of same colour, different groups show transparent tube, pipe, conical tube and vibration detection section of thick bamboo in the colour different.
Preferably, the sliding limit sleeve is close to an inner wall of one side of the planetary reducer and is fixedly connected with an elastic limit ring, the sliding limit sleeve is rotationally connected with a plugging sleeve, the plugging sleeve is matched with the sliding limit sleeve, and the inside of the plugging sleeve is coaxially connected with a compression ring in clearance fit with the elastic limit ring.
Preferably, two vibration test sleeves are fixedly connected with a temperature test sleeve, a temperature sensor is slidably connected with the temperature test sleeve, the temperature sensor is in contact connection with the outer wall of the planetary reducer, and the temperature sensor is connected with the control module.
Preferably, the driving screw rod is connected with the middle rotating shaft in the base box in a rotating way through a chain transmission mechanism, the middle rotating shaft is coaxially connected with an electric control bevel gear, a driven bevel gear connected with the base box in a rotating way is meshed beside the electric control bevel gear, and the driven bevel gear is connected with the lifting screw rod through the chain transmission mechanism.
Preferably, the opposite sides of the two support brackets are fixedly connected with elastic protection plates;
soundproof cotton is attached to the inner wall of the base box.
The invention improves the existing planetary reducer performance testing device, and has the following beneficial effects:
1. the problems of detecting the return clearance, the vibration function and the working temperature of the speed reducer are effectively solved;
2. by arranging the return clearance testing device, the vibration testing device and the speed reducer supporting device, the problems that performance tests are carried out on speed reducers with different sizes, and on-site visual record and display are carried out on return clearance and vibration performance, so that test results are convenient to check and confirm are effectively solved;
3. through setting up the lift of arc gallows effectual vibration sensor, temperature sensor and vibration probe and the outer problem of avoiding effective laminating of speed reducer.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
FIG. 3 is a schematic diagram of the internal structure of the present invention.
Fig. 4 is an enlarged partial schematic view of fig. 3 a according to the present invention.
Fig. 5 is a schematic diagram of a connection structure of the planetary reducer of the present invention.
Fig. 6 is an enlarged partial schematic view of fig. 5B in accordance with the present invention.
Fig. 7 is a schematic view of a supporting structure of the planetary reducer of the present invention.
Fig. 8 is a schematic view of the arc hanger and its connection member according to the present invention.
Fig. 9 is a schematic view of a sliding limiting sleeve and a connecting piece thereof according to the present invention.
FIG. 10 is a schematic diagram of the inside of the back-haul gap test structure according to the present invention.
Reference numerals: 1. a base box; 2. testing a motor; 3. a sliding seat; 4. adjusting a screw rod; 5. a drive handle; 6. a planetary reducer; 7. a sliding sleeve; 8. driving a screw rod; 9. a driving motor; 10. sliding the limit sleeve; 11. a micro-motion lead screw; 12. a connecting shaft sleeve; 13. a stylus; 14. a lifting frame; 15. lifting the screw rod; 16. an arc hanger; 17. a vibration test sleeve; 18. a vibration sensor; 19. a control module; 20. lifting brackets; 21. rotating the threaded rod; 22. a support bracket; 23. double-end screw rod; 24. a rotating sleeve; 25. a limit connecting rod; 26. a vibration detection cylinder; 27. vibrating the probe; 28. a conical tube; 29. an observation box; 30. displaying the transparent tube; 31. an elastic limit ring; 32. plugging the sleeve; 33. a clamp ring; 34. a temperature test sleeve; 35. a temperature sensor; 36. a middle rotating shaft; 37. an electric control bevel gear; 38. a driven bevel gear; 39. and an elastic protection plate.
Detailed Description
The foregoing and other features, aspects and advantages of the present invention will become more apparent from the following detailed description of embodiments, which proceeds with reference to fig. 1-10. The following embodiments are described in detail with reference to the drawings.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The invention relates to a performance testing component of a planetary reducer of a crane, which comprises a base box 1, a testing motor 2 fixedly connected in the base box 1, wherein the base box 1 provides a fixed supporting device for a subsequent structure, meanwhile provides a space for the testing device, the testing motor 2 realizes driving of the planetary reducer 6, a sliding seat 3 is connected left and right in the base box 1 in a sliding manner, the sliding seat 3 is in threaded connection with an adjusting screw 4 rotationally connected in the base box 1, the adjusting screw 4 is coaxially and fixedly connected with a driving handle 5, the adjusting screw 4 is rotationally driven by the driving handle 5 to rotate the adjusting screw 4, the sliding seat 3 is rotationally driven by the adjusting screw 4 to slide left and right, a speed reducer supporting device is connected to the sliding seat 3, a planetary reducer 6 is arranged at the upper end of the speed reducer supporting device, the planetary reducer 6 is connected with the testing motor 2 through the speed reducer supporting device, and simultaneously the sliding motor 3 drives the planetary reducer 6 to rotate synchronously with the testing motor 2 in a sliding manner, and the speed reducer 6 is synchronously driven by the speed reducer supporting device.
The device for testing the return clearance is characterized in that a return clearance testing device is arranged on the left side of the planetary reducer 6, the return clearance testing device is used for testing the return clearance in the transmission process of the planetary reducer 6, the return clearance testing device comprises a sliding sleeve 7 which is connected with the base box 1 in a sliding way left and right, the sliding sleeve 7 is in threaded connection with a driving screw rod 8 which is rotationally connected with the base box 1, the driving screw rod 8 is connected with a driving motor 9 which is fixedly connected with the base box 1, the driving screw rod 8 is driven to rotate through the rotation of the driving motor 9, the driving screw rod 8 is driven to slide, a sliding limiting sleeve 10 is coaxially connected with the sliding sleeve 7 in a sliding way left and right, the sliding limiting sleeve 10 is in threaded connection with a micro-motion screw rod 11 which is rotationally connected with the sliding sleeve 7, the micro-motion screw rod 11 is connected with an external driving device, the sliding limit sleeve 10 is driven to slide in the sliding sleeve 7 by the rotation of the micro-motion screw rod 11, a recording circular paper board is coaxially arranged in the sliding limit sleeve 10, the recording circular paper board is detachably connected with the sliding limit sleeve 10, a connecting shaft sleeve 12 is coaxially connected with the sliding sleeve 7 in a rotating way, an angle sensor is fixedly connected with the connecting shaft sleeve 12 in the embodiment, the return clearance of the forward and reverse rotation process of the planetary reducer 6 is measured and analyzed by the angle sensor, the connecting shaft sleeve 12 rotates around the sliding sleeve 7, the connecting shaft sleeve 12 is connected with the planetary reducer 6, the planetary reducer 6 rotates to drive the connecting shaft sleeve 12 to synchronously rotate, the utility model discloses a planetary reducer 6's output shaft link to each other, connecting sleeve 12 lower extreme fixedly connected with the record pen 13 of record circle cardboard contact connection, record pen 13 with the record circle cardboard contact connection, record pen 13 pivoted process be in record circle cardboard on record pen 13 pivoted process, slip limit sleeve 10 drive the synchronous slip of record circle cardboard, and then realize that record pen 13 draw periodic slip track on the record circle cardboard, through the analysis to the track realize the analysis survey to the return stroke clearance, carry out recheck to angle sensor's measuring result simultaneously and confirm, guarantee the uniformity of the test result of both.
In the embodiment, firstly, the planetary reducer 6 is arranged on the reducer supporting device, then the driving handle 5 is rotated, the position of the sliding seat 3 is adjusted through the adjusting screw rod 4, the planetary reducer 6 is driven to synchronously slide through the sliding seat 3, the matching of the planetary reducer 6 and the test motor 2 is realized, the test motor 2 is driven to rotate to synchronously rotate the planetary reducer 6, the recording round paper board is arranged in the sliding limit sleeve 10, then the driving motor 9 is started, the driving screw rod 8 is driven to rotate through the rotation of the driving motor 9, the sliding of the sliding sleeve 7 is realized through the rotation of the driving screw rod 8, the sliding sleeve 7 slides to drive the sliding limiting sleeve 10 to synchronously slide, so that the planetary reducer 6 and the connecting shaft sleeve 12 are matched, then the driving device of the test motor 2 and the micro-motion screw 11 is started, the recording pen 13 slides left and right while rotating, the movement track of the recording pen 13 is marked on the recording paper board, analysis and research on a return clearance are realized through analysis of the track on the recording paper board, periodic reciprocating transformation can be realized for the recording pen 13 while the test motor 2 rotates and reciprocates, meanwhile, a straight line track is reserved for the recording pen 13 in a neutral period of the return clearance, and determination of the return clearance is realized through the proportion of the straight line track.
The device is characterized in that in the process of carrying out performance research on the planetary reducer 6, the vibration condition of the planetary reducer 6 is required to be tested, the transmission performance is tested through the vibration condition, so the vibration testing device is arranged above the planetary reducer 6, the vibration testing device comprises a lifting frame 14 which is connected with the base box 1 in a sliding way up and down manner, the lifting frame 14 is connected with a lifting screw 15 in the base box 1 in a threaded manner, the lifting frame 14 is driven to lift through the rotation of the lifting screw 15, the lower end of the lifting frame 14 is fixedly connected with an arc-shaped hanging frame 16, the lower end of the arc-shaped hanging frame 16 is connected with a plurality of equidistant vibration testing sleeves 17, vibration sensors 18 are connected in the vibration testing sleeves 17 in a sliding manner, the vibration sensors 18 are connected with a control module 19 which is fixedly connected with the base box 1, the lifting frame 14 is driven to lift simultaneously, the arc-shaped hanging frame 16, the vibration sensors 17 and the vibration sensors 18 are connected with the vibration testing sleeves 18 in a sliding manner, and the vibration testing sleeves 6 can be well contacted with the vibration testing sleeves 6, and the vibration testing device can be guaranteed to be well contacted with the vibration testing device 6.
Vibration occurs during the rotation of the planetary reducer 6, in order to realize effective fixing and limiting of the planetary reducer 6 and avoid displacement of the planetary reducer 6 during the rotation, the reducer supporting device comprises a lifting bracket 20 which is connected with the sliding seat 3 in a sliding way up and down, the height of the planetary reducer 6 is adjusted by lifting the lifting bracket 20, the height of the planetary reducer 6 is required to be adjusted because of different sizes of the planetary reducer 6, the lifting bracket 20 is in threaded connection with a rotating threaded rod 21 which is connected with the sliding seat 3 in a rotating way, the lifting bracket 20 is driven to lift by rotating the rotating threaded rod 21, simultaneously, the rotating threaded rod 21 is coaxially and fixedly connected with a handle wheel, the height of the lifting bracket 20 is adjusted by rotating the handle wheel, two symmetrically distributed support brackets 22 are connected left and right in a sliding manner, two support brackets 22 are in threaded connection with a double-end screw rod 23 rotationally connected inside the support brackets 22, a rotating sleeve 24 is fixedly connected in the middle of the double-end screw rod 23, the double-end screw rod 23 is driven to rotate by rotating the rotating sleeve 24, the double-end screw rod 23 drives the two support brackets 22 to reversely slide, the two support brackets 22 are used for realizing clamping, limiting and fixing on the planetary reducer 6, a limiting connecting rod 25 is connected between the two support brackets 22, two ends of the limiting connecting rod 25 are respectively connected with the corresponding support brackets 22 through springs, the upper end of the support bracket 22 is in contact connection with the planetary reducer 6, and the planetary reducer 6 is supported in the clamping process of the planetary reducer 6.
In order to intuitively observe the vibration condition of the planetary reducer 6 on site, a vibration detection cylinder 26 connected with the arc-shaped hanger 16 is arranged between the vibration sensors 18, a vibration detection needle 27 connected with the planetary reducer 6 in a contact manner is coaxially connected up and down in a sliding manner in the vibration detection cylinder 26, the vibration detection needle 27 is connected with the vibration detection cylinder 26 through a spring, and the vibration detection cylinders 26 are respectively communicated with a conical tube 28 fixedly connected to the arc-shaped hanger 16.
The observation box 29 is arranged on the base box 1, a plurality of display transparent pipes 30 corresponding to the conical pipes 28 are fixedly connected in the observation box 29, the display transparent pipes 30 and the corresponding conical pipes 28 are communicated through the guide pipes, the same group of liquid with the same color is filled in the display transparent pipes 30, the guide pipes, the conical pipes 28 and the vibration detection cylinders 26, different groups of liquid with different colors in the display transparent pipes 30, the guide pipes, the conical pipes 28 and the vibration detection cylinders 26, the vibration process of the planetary reducer 6 drives the vibration detection needle 27 to slide, the vibration detection needle 27 drives the vibration detection cylinders 26, the conical pipes 28, the guide pipes and the liquid in the display transparent pipes 30 to slide and lift in the display transparent pipes 30, meanwhile, the inner diameter of the vibration detection cylinders 26 is a plurality of times of the inner diameter of the display transparent pipes 30, the liquid in the vibration detection cylinders 26 is ensured to lift in a small range, and the display transparent pipes 30 are convenient to directly observe the vibration effectively.
The utility model discloses a planet speed reducer 6 one side inner wall fixedly connected with elasticity spacing collar 31 is kept away from to slip spacing sleeve 10, through elasticity spacing collar 31 realize to the spacing of record circle cardboard fixed, slip spacing sleeve 10 on rotate simultaneously and be connected with the shutoff cover 32, shutoff cover 32 with slip spacing sleeve 10 cooperate, the inside coaxial coupling of shutoff cover 32 have with slip spacing sleeve 10 clearance fit's clamp ring 33, through clamp ring 33 to the other end of record circle cardboard carry out spacing fixedly, avoid the slip process of record pen 13 cause the record circle cardboard appear rocking.
In the process of judging the performance of the planetary reducer 6, the temperature change is also indispensable in the rotation process of the planetary reducer 6, so that a temperature test sleeve 34 is fixedly connected between the two vibration test sleeves 17, a temperature sensor 35 is slidably connected between the two vibration test sleeves 34, the temperature sensor 35 is in contact connection with the outer wall of the planetary reducer 6, the temperature sensor 35 is connected with the control module 19, the temperature sensor 35 is used for detecting the temperature of the outer wall of the planetary reducer 6, and the control module 19 is used for collecting the temperature information of the planetary reducer 6 to realize the detection of the rotation performance of the planetary reducer 6.
In order to guarantee that the sliding sleeve 7 and the arc-shaped hanging frame 16 can be synchronously regulated, the connecting shaft sleeve 12 and the vibration sensor 18, the temperature sensor 35 and the vibration probe 27 are matched with the planetary reducer 6, the driving screw rod 8 and the rotating connection are connected with the middle rotating shaft 36 inside the base box 1 through a chain transmission mechanism, the middle rotating shaft 36 is coaxially connected with an electric control bevel gear 37, the electric control bevel gear 37 comprises an inner sleeve ring which is coaxially and fixedly connected with the middle rotating shaft 36, the outer wall of the inner sleeve ring is coaxially connected with a bevel gear ring, a plurality of limiting grooves are formed in the inner sleeve ring, limiting rails matched with the limiting arc-shaped blocks are formed in the inner wall of the bevel gear ring through springs, powerful electromagnets are connected inside the limiting grooves, the matching and the matching of the inner sleeve ring and the bevel gear ring are realized through on-off electricity of the powerful electromagnets, the inner sleeve ring is further guaranteed to be separated from the electric control bevel gear 16, the electric control bevel gear 16 is continuously connected with the arc-shaped hanging frame 16 through the electric control bevel gear, and the arc-shaped hanging frame is connected with the arc-shaped hanging frame 38, and the electric control bevel gear is continuously connected with the arc-shaped hanging frame 16 through the electric control bevel gear 15, and the arc-shaped hanging frame is simultaneously, and the distance of the electric control device is controlled by the electric control device is connected with the electric control device, and the electric control device is connected with the electric control device.
Two opposite sides of the support bracket 22 are fixedly connected with elastic protection plates 39, so that the damage to the surface of the planetary reducer 6 caused by the hard clamping process of the planetary reducer 6 is avoided, and meanwhile, soundproof cotton is attached to the inner wall of the base box 1, so that the interference to external noise is reduced.
A testing method of a performance testing assembly of a planetary reducer of a crane comprises the following steps:
in the initial state, the sliding sleeve 7 is positioned at the leftmost end, the arc-shaped hanger 16 is positioned at the uppermost end and the lifting bracket 20 is positioned at the lowermost end.
Step one: firstly, placing a planetary reducer 6 on a support bracket 22, then realizing the adjustment of the position of the planetary reducer 6 by rotating a driving handle 5 and a handle wheel, and simultaneously realizing the limit clamping of the planetary reducer 6 by adjusting a double-head screw rod 23;
step two: then, starting a driving motor 9, driving the motor 9 to rotate, respectively adjusting the positions of the sliding sleeve 7 and the arc-shaped hanging frame 16 through a driving screw rod 8 and a linked lifting screw rod 15, ensuring that the connecting shaft sleeve 12 is matched with the planetary reducer 6, and simultaneously enabling the vibration sensor 18, the temperature sensor 35, the vibration probe 27 and the outer wall of the planetary reducer 6 to be in contact;
step three: then starting the test motor 2, and driving the planetary reducer 6 to rotate by the rotation of the test motor 2, so that the planetary reducer 6 continuously runs;
step four: the planetary reducer 6 rotates, and simultaneously, the micro-motion screw rod 11 is started to realize the sliding of the sliding limit sleeve 10, so that the sliding of the recording round paper board is driven, and the track of the recording pen 13 is recorded through the recording round paper board;
step five: the planetary reducer 6 vibrates in the rotation process, and meanwhile, the vibration probe 27 vibrates, and the vibration of the vibration probe 27 is amplified and displayed through the liquid in the display transparent tube 30, so that the vibration condition can be observed on site conveniently;
step six: after the test is finished, resetting all the components, simultaneously taking down the planetary reducer 6, then taking down the plugging sleeve 32, then taking down the recording round paper board, and analyzing the return clearance by recording the movement track on the round paper board;
step seven: the information of the vibration sensor 18 and the temperature sensor 35 is acquired and recorded by the control module 19.
The invention improves the existing speed reducer performance testing device, and effectively solves the problems of bearing and clamping speed reducers of different types and effectively matching test motors by additionally arranging the speed reducer bearing device; by arranging the return clearance testing device, the elastic limiting ring, the plugging sleeve and the compression ring, the problems of recording a return path and rechecking and confirming a test result of the angle sensor in the return clearance testing process are effectively solved; the vibration detection cylinder, the vibration detection needle, the conical tube and the display transparent tube are arranged, so that the problem that the vibration condition is displayed on site in real time and the test result is convenient to judge and check is effectively solved; and the structure is simple and stable, and the universality is extremely high.
Claims (8)
1. The utility model provides a planetary reducer performance test subassembly of hoist, includes base case (1), fixed connection is in test motor (2) in base case (1), its characterized in that, inside sliding connection of controlling of base case (1) have sliding seat (3), sliding seat (3) and rotate adjusting screw (4) threaded connection who connects in base case (1), adjusting screw (4) coaxial fixedly connected with actuating handle (5), sliding seat (3) on be connected with speed reducer supporting device, speed reducer supporting device upper end put planetary reducer (6), planetary reducer (6) with test motor (2) link to each other;
the device is characterized in that a return clearance testing device is arranged on the left side of the planetary reducer (6), the return clearance testing device comprises a sliding sleeve (7) which is connected with the base box (1) in a sliding mode, the sliding sleeve (7) is connected with a driving screw rod (8) in the base box (1) in a threaded mode, the driving screw rod (8) is connected with a driving motor (9) fixedly connected with the base box (1) in a connecting mode, the sliding sleeve (7) is connected with a sliding limiting sleeve (10) in a coaxial left-right sliding mode, the sliding limiting sleeve (10) is connected with a micro-screw rod (11) in a threaded mode in a rotating mode, the micro-screw rod (11) is connected with an external driving device in a connecting mode, a recording round paperboard is coaxially arranged in the sliding limiting sleeve (10), the sliding sleeve (7) is connected with a connecting shaft sleeve (12) in a coaxial mode, the connecting shaft sleeve (12) is connected with the planetary reducer (6), and the connecting shaft sleeve (12) is connected with a recording round paperboard (13) in a fixed mode.
2. The performance testing assembly of the planetary reducer of the crane according to claim 1, wherein a vibration testing device is arranged above the planetary reducer (6), the vibration testing device comprises a lifting frame (14) which is connected with the base box (1) in an up-down sliding mode, the lifting frame (14) is in threaded connection with a lifting screw (15) which is rotationally connected with the inside of the base box (1), the lower end of the lifting frame (14) is fixedly connected with an arc-shaped hanging frame (16), the lower end of the arc-shaped hanging frame (16) is connected with a plurality of vibration testing sleeves (17) which are distributed at equal intervals, vibration sensors (18) are connected in the vibration testing sleeves (17) in a sliding mode, the vibration sensors (18) are connected with the vibration testing sleeves (17) through springs, and the vibration sensors (18) are connected with a control module (19) which is fixedly connected with the base box (1).
3. The planetary reducer performance test assembly of the crane according to claim 1, wherein the reducer supporting device comprises a lifting bracket (20) which is connected with the sliding seat (3) in an up-down sliding manner, the lifting bracket (20) is in threaded connection with a rotary threaded rod (21) which is rotationally connected with the sliding seat (3), two symmetrically distributed supporting brackets (22) are connected with the lifting bracket (20) in a left-right sliding manner, two supporting brackets (22) are in threaded connection with a double-headed screw (23) which is rotationally connected with the inside of the supporting brackets (22), a rotating sleeve (24) is fixedly connected in the middle position of the double-headed screw (23) in a coaxial manner, a limiting connecting rod (25) is connected between the two supporting brackets (22), two ends of the limiting connecting rod (25) are respectively connected with the corresponding supporting brackets (22) through springs, and the upper ends of the supporting brackets (22) are in contact connection with the planetary reducer (6).
4. The performance test assembly of the planetary reducer of the crane according to claim 2, wherein a vibration detection cylinder (26) connected with the arc-shaped hanging bracket (16) is arranged between the vibration sensors (18), a vibration detection needle (27) connected with the planetary reducer (6) in a contact manner is coaxially connected up and down in the vibration detection cylinder (26), and the vibration detection cylinders (26) are respectively communicated with a conical tube (28) fixedly connected with the arc-shaped hanging bracket (16);
the base box (1) on set up observation box (29), observation box (29) in fixedly connected with a plurality of with conical tube (28) corresponding show transparent tube (30), show transparent tube (30) and corresponding conical tube (28) be linked together through the pipe, with the group show transparent tube (30), pipe, conical tube (28) and vibration detection section of thick bamboo (26) intussuseption fill the liquid of same kind of colour, different groups show transparent tube (30), pipe, conical tube (28) and vibration detection section of thick bamboo (26) in the colour different.
5. The performance test assembly of the planetary reducer of the crane according to claim 1, wherein the sliding limit sleeve (10) is far away from an inner wall of one side of the planetary reducer (6) and is fixedly connected with an elastic limit ring (31), the sliding limit sleeve (10) is rotationally connected with a plugging sleeve (32), the plugging sleeve (32) is matched with the sliding limit sleeve (10), and a compression ring (33) which is in clearance fit with the elastic limit ring (31) is coaxially connected inside the plugging sleeve (32).
6. The performance testing assembly of the planetary reducer of the crane according to claim 2, wherein a temperature testing sleeve (34) is fixedly connected between two vibration testing sleeves (17), a temperature sensor (35) is slidably connected in the temperature testing sleeve (34), the temperature sensor (35) is in contact connection with the outer wall of the planetary reducer (6), and the temperature sensor (35) is connected with the control module (19).
7. The performance testing assembly of the planetary reducer of the crane according to claim 1, wherein the driving screw rod (8) is rotatably connected with a middle rotating shaft (36) in the base box (1) through a chain transmission mechanism, the middle rotating shaft (36) is coaxially connected with an electric control bevel gear (37), a driven bevel gear (38) rotatably connected with the base box (1) is meshed beside the electric control bevel gear (37), and the driven bevel gear (38) is connected with the lifting screw rod (15) through the chain transmission mechanism.
8. A performance testing assembly for a planetary reducer of a crane according to claim 3, wherein the opposite sides of the two support brackets (22) are fixedly connected with elastic protection plates (39);
soundproof cotton is attached to the inner wall of the base box (1).
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| GB157090A (en) * | 1919-08-02 | 1922-03-23 | Krupp Ag | Improvements in and relating to testing devices for toothed wheels |
| JPS57118124A (en) * | 1981-01-14 | 1982-07-22 | Yasaka Seiki Kk | Method and device for automatic displacement detection |
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| CN212391203U (en) * | 2020-04-10 | 2021-01-22 | 杭州电子科技大学 | Motor mechanical characteristic curve mapping device |
| CN113008552A (en) * | 2021-02-05 | 2021-06-22 | 洛阳理工学院 | Chain transmission and belt transmission motion characteristic experiment device |
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2023
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| GB157090A (en) * | 1919-08-02 | 1922-03-23 | Krupp Ag | Improvements in and relating to testing devices for toothed wheels |
| JPS57118124A (en) * | 1981-01-14 | 1982-07-22 | Yasaka Seiki Kk | Method and device for automatic displacement detection |
| JPH05280905A (en) * | 1991-07-19 | 1993-10-29 | Nkk Corp | Detection device of amount of gear wear of gear joint part |
| CN212391203U (en) * | 2020-04-10 | 2021-01-22 | 杭州电子科技大学 | Motor mechanical characteristic curve mapping device |
| CN113008552A (en) * | 2021-02-05 | 2021-06-22 | 洛阳理工学院 | Chain transmission and belt transmission motion characteristic experiment device |
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| 王满生 等: "基于恒扭矩加载的精密行星减速器背隙测试系统设计", 《煤矿机械》, vol. 38, no. 2, pages 24 - 26 * |
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| CN117109910B (en) | 2024-01-09 |
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