CN113465921A - Multi-distribution-based low-power-consumption slewing bearing test device and use method thereof - Google Patents
Multi-distribution-based low-power-consumption slewing bearing test device and use method thereof Download PDFInfo
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- CN113465921A CN113465921A CN202110844092.1A CN202110844092A CN113465921A CN 113465921 A CN113465921 A CN 113465921A CN 202110844092 A CN202110844092 A CN 202110844092A CN 113465921 A CN113465921 A CN 113465921A
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Abstract
The invention discloses a multi-distributed low-power consumption slewing bearing test device and a using method thereof, wherein the multi-distributed low-power consumption slewing bearing test device comprises a base; the outer ring of the slewing bearing is fixed on the base, and the inner ring is provided with internal insections; the torque loading mechanism is arranged on the base and is fixedly connected with the end face of the inner ring of the slewing bearing; the torque loading mechanism is provided with a loading servo motor capable of outputting torque; the power output mechanism is arranged on the base and is positioned on one side of the slewing bearing, which is far away from the torque loading mechanism; the power output mechanism is provided with a plurality of servo motor systems which are arranged in a matrix manner, and the plurality of servo motor systems respectively output power; the power transmission mechanism comprises a gear box arranged on the base and a plurality of transmission rod groups connected with the gear box; the torque measuring mechanism is connected with the power output end of the loading servo motor and the main gear and is used for detecting, outputting and displaying the loading torque. The invention can be used for monitoring the whole process of the slewing bearing facing the service working condition by uniformly distributing loading.
Description
Technical Field
The invention relates to the field of detection of dynamic performance of industrial slewing bearings, in particular to a multi-distribution-based low-power-consumption slewing bearing test device and a using method thereof.
Background
Slewing bearing, also called turntable bearing, is widely used in the real industry and is called as: the "joint" of machine is an important transmission component necessary for the machinery which needs to make relative rotary motion between two bodies and simultaneously must bear axial force, radial force and tilting moment. At present, the performance evaluation and quality control of the slewing bearing mainly adopt static geometry detection technologies such as finished product precision detection, bearing finished product play detection, bearing finished product defective strength detection and the like. In order to avoid damage to the slewing bearing, limited dynamic performance evaluation is also performed under the working condition of low speed and light load, which is not consistent with the actual working condition, and complete evaluation of the slewing bearing performance is difficult to realize.
Some solutions are proposed in the existing patents, for example, chinese patent CN201520526306.0 discloses a slewing bearing test bed, which includes a base, an active slewing bearing, a driving mechanism and a loading mechanism, and can simulate and test the performance parameter change of the slewing bearing under different loads under normal service conditions. For example, chinese patent CN201610638019.8 discloses a slewing bearing test platform, which comprises a gland, a base, a slewing bearing mounting rack for mounting a tested slewing bearing, a plurality of overturning load applying devices, an overturning load driving device, and a controller. And Chinese patent CN202021980917.X discloses a slewing bearing test bed, which comprises a horizontal telescopic oil cylinder, a workbench and a base, wherein thrust is exerted through a plurality of telescopic oil cylinders, so that real stress is simulated, and the inner ring and the outer ring of a bearing are detected. The patents can respectively realize the simulation of the performance parameter change of the slewing bearing under different loads, but cannot solve the problems of evaluating the dynamic performance of the slewing bearing facing to the low-speed heavy-load service working condition and the like.
Therefore, how to provide a slewing bearing test device and a use method thereof, which can overcome the defects of the prior art, is a problem that needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of this, the invention provides a multi-distributed low-power consumption slewing bearing test device, which aims to solve the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a low-power consumption slewing bearing test device based on many distributed, includes:
a base;
a slewing bearing; the outer ring of the slewing bearing is fixed on the base, and the inner ring of the slewing bearing is provided with internal insections;
a torque loading mechanism; the torque loading mechanism is arranged on the base and is fixedly connected with the end face of the inner ring of the slewing bearing; the torque loading mechanism is provided with a loading servo motor capable of outputting torque;
a power take-off mechanism; the power output mechanism is arranged on the base and is positioned on one side of the slewing bearing, which is far away from the torque loading mechanism; the power output mechanism is provided with a plurality of servo motor systems which are arranged in a matrix manner, and the plurality of servo motor systems respectively output power;
a power transmission mechanism; the power transmission mechanism comprises a gear box arranged on the base and a plurality of transmission rod groups connected with the gear box; the gearbox is positioned between the slewing bearing and the power output mechanism, and a main gear, a plurality of reversing gears which are meshed around the main gear and a plurality of output gears which are respectively meshed with the reversing gears are arranged in the gearbox; the transmission rod group enables power output by the servo motor system to reach the inner ring of the slewing bearing through the output gear and is meshed with the internal threads through the output gear;
a torque measuring mechanism; the torque measuring mechanism is connected with the power output end of the loading servo motor and the main gear and is used for detecting, outputting and displaying the loading torque.
Through the technical scheme, the invention can realize the functions of monitoring the whole process of the slewing bearing facing the service working condition, drawing a torque change curve and the like through uniform distributed loading, and can evaluate the quality of the slewing bearing when leaving the factory or in actual use, thereby overcoming the defects of the prior art and having low energy consumption when the device is in operation.
Preferably, in the multi-distribution-based low-power consumption slewing bearing test apparatus, a plurality of dovetail grooves for mounting and connecting the mechanisms are formed in parallel on the top surface of the base. And the mechanism is conveniently connected with each mechanism through bolts.
Preferably, in the multi-distribution-based low-power consumption slewing bearing test device, the bottom of the outer ring of the slewing bearing is fixed on the base through an angle bracket and a bolt. The connection is simple and the structure is stable.
Preferably, in the multi-distribution-based low-power consumption slewing bearing test device, the torque loading unit further includes a bearing base, a half-open bearing, a fixing plate and a loading reducer; the bearing base is fixed on the base through a bolt, and the top of the bearing base is provided with a semicircular mounting groove; the semi-open bearing is arranged in the semicircular mounting groove; the loading speed reducer is arranged in the half-open bearing, the power input end of the loading speed reducer is connected with the power output shaft of the loading servo motor, and the loading servo motor is connected with the loading speed reducer through a bolt; the fixing plate is fixed at one end, far away from the loading servo motor, of the loading speed reducer, the fixing plate is fixed on the screw rod through a jacking nut, and the screw rod is fixed on the outer ring of the slewing bearing through a nut. The connection with the slewing bearing can be realized, and the torque loading can be realized.
Preferably, in the multi-distribution-based low-power consumption slewing bearing test device, the torque measurement mechanism comprises an electric control cabinet, a signal acquisition box, an industrial personal computer, a display screen, a base, a dynamic torque sensor, a first transmission shaft and a second transmission shaft; the electrical control cabinet is fixed on the base; the signal acquisition box is fixed on the electrical control cabinet through a bolt; the industrial personal computer is fixed on the electrical control cabinet through a bolt and is electrically connected with the signal acquisition box through a wire; the display screen is fixed on the electric control cabinet through a bolt and is electrically connected with the industrial personal computer through a data line; the base is fixed on the base and is positioned between the slewing bearing and the gear box; the torque sensor is fixed on the base through a bolt and is electrically connected with the signal acquisition box through a lead; one end of the first transmission shaft is connected with the loading speed reducer through a coupler, and the other end of the first transmission shaft is connected with one end of the dynamic torque sensor through a coupler; one end of the second transmission shaft is connected with the other end of the dynamic torque sensor through a coupler, the other end of the second transmission shaft is connected with the main gear, and a shaft body of the second transmission shaft is connected with the gear box through a bearing and connected with the main gear through a flat key. Automatic torque detection and data output can be achieved.
Preferably, in the multi-distribution-based low-power consumption slewing bearing test device, the power output mechanism support, the controller, the first servo motor, the first speed reducer, the second servo motor, the second speed reducer, the third servo motor, the third speed reducer, the fourth servo motor and the fourth speed reducer are arranged in parallel; the bracket is fixed on the base and is positioned on one side of the slewing bearing, which is far away from the torque loading mechanism; the controller is fixed on the electrical control cabinet; the first servo motor is connected with the first speed reducer through a bolt, the second servo motor is connected with the second speed reducer through a bolt, the third servo motor is connected with the third speed reducer through a bolt, and the fourth servo motor is connected with the fourth speed reducer through a bolt; the power output shaft of each servo motor is connected with the power input end of the corresponding speed reducer; the power output end of each speed reducer is connected with the power input end of the transmission rod group; the first speed reducer, the second speed reducer, the third speed reducer and the fourth speed reducer are arranged in a square matrix and are fixed on the support through bolts, and the first servo motor, the second servo motor, the third servo motor and the fourth servo motor are electrically connected with the controller through electric wires. The requirement of a multi-distributed structure can be met.
Preferably, in the multi-distribution-based low-power consumption slewing bearing test device, the plurality of transmission rod sets include a support plate, a first power shaft, a second power shaft, a third power shaft, a fourth power shaft, a third transmission shaft, a fourth transmission shaft, a fifth transmission shaft, a sixth transmission shaft, a first gear, a second gear, a third gear and a fourth gear; the supporting plate is fixed on the base through a bolt and is positioned between the slewing bearing and the base; two ends of the first power shaft are respectively fixed on the gear box through bearings, one end of the third transmission shaft is connected with one end of the first power shaft through a coupler, and the first gear is installed at the other end of the third transmission shaft through a flat key; two ends of the second power shaft are respectively fixed on the gear box through bearings, one end of the fourth transmission shaft is connected with one end of the second power shaft through a coupler, and the second gear is installed at the other end of the fourth transmission shaft through a flat key; two ends of the third power shaft are respectively fixed on the gear box through bearings, one end of the fifth transmission shaft is connected with one end of the third power shaft through a coupler, and the third gear is installed at the other end of the fifth transmission shaft through a flat key; two ends of the fourth power shaft are respectively fixed on the gear box through bearings, one end of the sixth transmission shaft is connected with one end of the fourth power shaft through a coupler, and the fourth gear is installed at the other end of the sixth transmission shaft through a flat key; the third transmission shaft the fourth transmission shaft the fifth transmission shaft with the sixth transmission shaft passes through the bearing to be fixed in the backup pad, first gear the second gear the third gear with the fourth gear becomes 90 distributions each other, and respectively with the internal tooth line meshing. The power transmission can be effectively realized, the transmission effect is stable, and the output is stable.
Preferably, in the multi-distribution-based low-power consumption slewing bearing test device, the first speed reducer is connected with the first power shaft through a coupler, the second speed reducer is connected with the second power shaft through a coupler, the third speed reducer is connected with the third power shaft through a coupler, and the fourth speed reducer is connected with the fourth power shaft through a coupler. The structural connection requirement can be met.
Preferably, in the multi-distribution-based low-power consumption slewing bearing test device, the output gear comprises a fifth gear, a sixth gear, a seventh gear and an eighth gear; the reversing gear comprises a first reversing gear, a second reversing gear, a third reversing gear and a fourth reversing gear; the fifth gear is meshed with the first reversing gear, the sixth gear is meshed with the second reversing gear, the seventh gear is meshed with the third reversing gear, and the eighth gear is meshed with the fourth reversing gear; the first reversing gear, the second reversing gear, the third reversing gear and the fourth reversing gear are distributed at 90 degrees with each other and are respectively meshed with the main gear. The power transmission device can meet the requirement of a multi-distributed structure and realize the power transmission from the power output mechanism to the slewing bearing.
The invention also provides a use method of the multi-distributed low-power consumption slewing bearing test device, which comprises the following steps:
s1, providing power through the servo motor system, controlling the loading servo motor to rotate for an angle, measuring system torque in real time through the torque measuring mechanism, and displaying a torque output curve;
and S2, when the torque output curve reaches the highest value and is stable and unchanged, turning off the power supply, stopping measurement, stopping the operation of each servo motor system, and recording a torque output curve graph.
The method can realize the whole-process monitoring of the slewing bearing facing the service working condition, and can evaluate the quality of the slewing bearing when the slewing bearing leaves the factory or is in actual use.
According to the technical scheme, compared with the prior art, the invention discloses and provides the multi-distribution-based low-power-consumption slewing bearing test device and the use method thereof, the full-process monitoring of the slewing bearing facing the service working condition can be realized through uniform distributed loading facing the service working condition, the dynamic performance of the slewing bearing is evaluated, and the energy consumption is low during the operation of the test device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure provided by the present invention;
FIG. 2 is a schematic structural diagram of a torque loading mechanism provided in the present invention;
FIG. 3 is a schematic structural view of a gearbox provided by the present invention;
FIG. 4 is a schematic view of the internal structure of a gearbox according to the present invention;
figure 5 is a schematic view of a slewing bearing and gear mounting provided by the invention.
Wherein:
10-loading a speed reducer; 11-a first reducer; 12-a second reducer; 13-a third reducer; 14-a fourth reducer; 15-loading a servo motor; 16-a first servo motor; 17-a second servo motor; 18-a third servomotor; 19-a fourth servo motor; 110-a scaffold; 21-a dynamic torque sensor; 22-a base; 23-a display screen; 24-an industrial personal computer; 25-a controller; 26-an electrical control cabinet; 27-a signal collection box; 28-a controller; 31-a base; 32-a bearing pedestal; 33-half open bearing; 34-a screw; 35-corner connector; 36-a support plate; 37-a fixed plate; 4-a gearbox; 41-main gear; 42-a first reversing gear; 43-a second reversing gear; 44-a third reversing gear; 45-a fourth reversing gear; 46-fifth gear; 47-sixth gear; 48-seventh gear; 49-eighth gear; 51-a first drive shaft; 52-a second drive shaft; 53-a third drive shaft; 54-a fourth drive shaft; 55-a fifth drive shaft; 56-sixth drive shaft; 57-a first power shaft; 58-a second power shaft; 59-a third power shaft; 510-a fourth power shaft; 511-a first reversing shaft; 512-a second reversing shaft; 513-a third reversing shaft; 514-a fourth reversing shaft; 61-a first gear; 62-a second gear; 63-a third gear; 64-a fourth gear; 65-slewing bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention discloses a multi-distributed low power consumption slewing bearing test apparatus, including:
a base 31;
a slewing bearing 65; the outer ring of the slewing bearing 65 is fixed on the base 31, and the inner ring is provided with internal insections;
a torque loading mechanism; the torque loading mechanism is arranged on the base 31 and is fixedly connected with the end face of the inner ring of the slewing bearing 65; the torque loading mechanism is provided with a loading servo motor 15 capable of outputting torque;
a power take-off mechanism; the power output mechanism is arranged on the base 31 and is positioned on one side of the slewing bearing 65 away from the torque loading mechanism; the power output mechanism is provided with a plurality of servo motor systems which are arranged in a matrix manner, and the plurality of servo motor systems respectively output power;
a power transmission mechanism; the power transmission mechanism comprises a gear box 4 arranged on the base 31 and a plurality of transmission rod groups connected with the gear box 4; the gear box 4 is positioned between the slewing bearing 65 and the power output mechanism, and a main gear 41, a plurality of reversing gears which are meshed around the main gear 41 and a plurality of output gears which are respectively meshed with the reversing gears are arranged in the gear box 4; the transmission rod group enables power output by the servo motor system to reach the inner ring of the slewing bearing 65 through the output gear and is meshed with the internal gear through the output gear;
a torque measuring mechanism; the torque measuring mechanism is connected with the power output end of the loading servo motor 15 and the main gear 41 and is used for detecting, outputting and displaying the loading torque.
In order to further optimize the above technical solution, a plurality of dovetail grooves for installing and connecting each mechanism are formed in parallel on the top surface of the base 31.
In order to further optimize the technical scheme, the bottom of the outer ring of the slewing bearing 65 is fixed on the base 31 through an angle bracket 35 and a bolt.
In order to further optimize the technical scheme, the torque loading unit further comprises a bearing base 32, a half-open bearing 33, a fixing plate 37 and a loading speed reducer 10; the bearing base 32 is fixed on the base 31 through bolts, and the top of the bearing base is provided with a semicircular mounting groove; the half-open bearing 33 is arranged in the semicircular mounting groove; the loading speed reducer 10 is arranged in the half-open bearing 33, the power input end of the loading speed reducer is connected with the power output shaft of the loading servo motor 15, and the loading servo motor 15 is connected with the loading speed reducer 10 through a bolt; the fixing plate 37 is fixed at one end of the loading speed reducer 10 far away from the loading servo motor 15, the fixing plate 37 is fixed on the screw 34 through a tightening nut, and the screw 34 is fixed on the outer ring of the slewing bearing 65 through a nut.
In order to further optimize the technical scheme, the torque measuring mechanism comprises an electric control cabinet 26, a signal acquisition box 27, an industrial personal computer 24, a display screen 23, a base 22, a dynamic torque sensor 21, a first transmission shaft 51 and a second transmission shaft 52; the electric control cabinet 26 is fixed on the base 31; the signal acquisition box 27 is fixed on the electrical control cabinet 26 through bolts; the industrial personal computer 24 is fixed on the electrical control cabinet 26 through bolts, and the industrial personal computer 24 is electrically connected with the signal acquisition box 27 through a lead; the display screen 23 is fixed on the electrical control cabinet 26 through bolts, and the display screen 23 is electrically connected with the industrial personal computer 24 through a data line; the base 22 is fixed on the base 31 and positioned between the slewing bearing 65 and the gear box 4; the torque sensor is fixed on the base 22 through bolts and is electrically connected with the signal acquisition box 27 through a lead; one end of the first transmission shaft 51 is connected with the loading speed reducer 10 through a coupler, and the other end of the first transmission shaft is connected with one end of the dynamic torque sensor 21 through a coupler; one end of the second transmission shaft 52 is connected with the other end of the dynamic torque sensor 21 through a coupling, the other end is connected with the main gear 41, and the shaft body of the second transmission shaft 52 is connected with the gear box 4 through a bearing and is connected with the main gear 41 through a flat key.
In order to further optimize the technical scheme, the power output mechanism support 110, the controller 28, the first servo motor 16, the first speed reducer 11, the second servo motor 17, the second speed reducer 12, the third servo motor 18, the third speed reducer 13, the fourth servo motor 19 and the fourth speed reducer 14 are arranged on the power output mechanism support; bracket 110 is fixed on base 31 and is located on the side of slewing bearing 65 away from the torque loading mechanism; the controller 28 is fixed on the electrical control cabinet 26; a first servo motor 16 is connected with a first speed reducer 11 through a bolt, a second servo motor 17 is connected with a second speed reducer 12 through a bolt, a third servo motor 18 is connected with a third speed reducer 13 through a bolt, and a fourth servo motor 19 is connected with a fourth speed reducer 14 through a bolt; the power output shaft of each servo motor is connected with the power input end of the corresponding speed reducer; the power output end of each speed reducer is connected with the power input end of the transmission rod group; the first speed reducer 11, the second speed reducer 12, the third speed reducer 13 and the fourth speed reducer 14 are arranged in a square matrix and are respectively fixed on the bracket 110 through bolts, and the first servo motor 16, the second servo motor 17, the third servo motor 18 and the fourth servo motor 19 are respectively electrically connected with the controller 28 through electric wires.
In order to further optimize the above technical solution, the plurality of transmission rod sets includes a support plate 36, a first power shaft 57, a second power shaft 58, a third power shaft 59, a fourth power shaft 510, a third transmission shaft 53, a fourth transmission shaft 54, a fifth transmission shaft 55, a sixth transmission shaft 56, a first gear 61, a second gear 62, a third gear 63 and a fourth gear 64; the support plate 36 is fixed on the base 31 by bolts and is positioned between the slewing bearing 65 and the base 22; two ends of the first power shaft 57 are respectively fixed on the gear box 4 through bearings, one end of the third transmission shaft 53 is connected with one end of the first power shaft 57 through a coupler, and the first gear 61 is installed at the other end of the third transmission shaft 53 through a flat key; two ends of a second power shaft 58 are respectively fixed on the gear box 4 through bearings, one end of a fourth transmission shaft 54 is connected with one end of the second power shaft 58 through a coupler, and a second gear 62 is installed at the other end of the fourth transmission shaft 54 through a flat key; two ends of a third power shaft 59 are respectively fixed on the gear box 4 through bearings, one end of a fifth transmission shaft 55 is connected with one end of the third power shaft 59 through a coupler, and a third gear 63 is installed at the other end of the fifth transmission shaft 55 through a flat key; two ends of a fourth power shaft 510 are respectively fixed on the gear box 4 through bearings, one end of a sixth transmission shaft 56 is connected with one end of the fourth power shaft 510 through a coupler, and a fourth gear 64 is installed at the other end of the sixth transmission shaft 56 through a flat key; the third transmission shaft 53, the fourth transmission shaft 54, the fifth transmission shaft 55 and the sixth transmission shaft 56 are fixed on the support plate 36 through bearings, and the first gear 61, the second gear 62, the third gear 63 and the fourth gear 64 are distributed at 90 degrees to each other and are respectively meshed with the internal threads.
In order to further optimize the above technical solution, the first speed reducer 11 is connected to the first power shaft 57 through a coupling, the second speed reducer 12 is connected to the second power shaft 58 through a coupling, the third speed reducer 13 is connected to the third power shaft 59 through a coupling, and the fourth speed reducer 14 is connected to the fourth power shaft 510 through a coupling.
In order to further optimize the above solution, the output gears comprise a fifth gear 46, a sixth gear 47, a seventh gear 48 and an eighth gear 49; the reversing gear comprises a first reversing gear 42, a second reversing gear 43, a third reversing gear 44 and a fourth reversing gear 45; the fifth gear 46 is meshed with the first reversing gear 42, the sixth gear 47 is meshed with the second reversing gear 43, the seventh gear 48 is meshed with the third reversing gear 44, and the eighth gear 49 is meshed with the fourth reversing gear 45; the first direction changing gear 42, the second direction changing gear 43, the third direction changing gear 44 and the fourth direction changing gear 45 are distributed at 90 ° to each other and are respectively engaged with the main gear 41.
The use method of the low-power consumption slewing bearing test device based on the multiple distributed modes provided by the embodiment comprises the following steps:
when the device is used, the power supply of the electric control cabinet 26 is switched on, the first servo motor 16, the second servo motor 17, the third servo motor 18 and the fourth servo motor 19 are enabled to rotate through controlling the controller 25 to provide power for the device, the controller 25 controls the loading servo motor 15 to rotate by an angle, the torque of the system is measured in real time through the dynamic torque sensor 21 and the signal acquisition box 27, and a torque output curve is displayed on the display screen 23. When the torque output curve reaches the maximum value and is stable and unchanged, the power supply of the electric control cabinet 26 is turned off, the measurement of the dynamic torque sensor 21 is stopped, the operation of each servo motor is stopped, the torque output curve graph is recorded, the whole-process monitoring of the slewing bearing facing the service working condition is realized, and the quality of the slewing bearing is evaluated when the slewing bearing leaves the factory or is in actual use.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A low-power consumption slewing bearing test device based on many distributed, its characterized in that includes:
a base (31);
a slewing bearing (65); the outer ring of the slewing bearing (65) is fixed on the base (31), and the inner ring of the slewing bearing is provided with internal insections;
a torque loading mechanism; the torque loading mechanism is arranged on the base (31) and is fixedly connected with the end face of the inner ring of the slewing bearing (65); the torque loading mechanism is provided with a loading servo motor (15) capable of outputting torque;
a power take-off mechanism; the power output mechanism is arranged on the base (31) and is positioned on one side of the slewing bearing (65) far away from the torque loading mechanism; the power output mechanism is provided with a plurality of servo motor systems which are arranged in a matrix manner, and the plurality of servo motor systems respectively output power;
a power transmission mechanism; the power transmission mechanism comprises a gear box (4) arranged on the base (31) and a plurality of transmission rod groups connected with the gear box (4); the gear box (4) is positioned between the slewing bearing (65) and the power output mechanism, and a main gear (41), a plurality of reversing gears which are meshed around the main gear (41) and a plurality of output gears which are respectively meshed with the reversing gears are arranged in the gear box (4); the transmission rod group enables power output by the servo motor system to reach the inner ring of the slewing bearing (65) through the output gear and is meshed with the internal threads through the output gear;
a torque measuring mechanism; the torque measuring mechanism is connected with the power output end of the loading servo motor (15) and the main gear (41) and is used for detecting, outputting and displaying loading torque.
2. The multi-distribution-based low-power-consumption slewing bearing test device is characterized in that a plurality of dovetail grooves for mounting and connecting mechanisms are formed in the top surface of the base (31) in parallel.
3. The multi-distribution-based low-power-consumption slewing bearing test device is characterized in that the bottom of the outer ring of the slewing bearing (65) is fixed on the base (31) through an angle bracket (35) and a bolt.
4. The slewing bearing test device with low power consumption based on multiple distributed modes according to claim 3, wherein the torque loading unit further comprises a bearing base (32), a half-open bearing (33), a fixing plate (37) and a loading speed reducer (10); the bearing base (32) is fixed on the base (31) through bolts, and the top of the bearing base is provided with a semicircular mounting groove; the semi-open bearing (33) is arranged in the semicircular mounting groove; the loading speed reducer (10) is arranged in the half-open bearing (33), the power input end of the loading speed reducer is connected with the power output shaft of the loading servo motor (15), and the loading servo motor (15) is connected with the loading speed reducer (10) through a bolt; the fixing plate (37) is fixed at one end, far away from the loading servo motor (15), of the loading speed reducer (10), the fixing plate (37) is fixed on the screw rod (34) through a jacking nut, and the screw rod (34) is fixed on the outer ring of the slewing bearing (65) through a nut.
5. The multi-distribution-based low-power-consumption slewing bearing test device is characterized in that the torque measuring mechanism comprises an electric control cabinet (26), a signal acquisition box (27), an industrial personal computer (24), a display screen (23), a base (22), a dynamic torque sensor (21), a first transmission shaft (51) and a second transmission shaft (52); the electrical control cabinet (26) is fixed on the base (31); the signal acquisition box (27) is fixed on the electrical control cabinet (26) through bolts; the industrial personal computer (24) is fixed on the electrical control cabinet (26) through bolts, and the industrial personal computer (24) is electrically connected with the signal acquisition box (27) through a lead; the display screen (23) is fixed on the electrical control cabinet (26) through a bolt, and the display screen (23) is electrically connected with the industrial personal computer (24) through a data line; the base (22) is fixed on the base (31) and is positioned between the slewing bearing (65) and the gear box (4); the torque sensor is fixed on the base (22) through bolts and is electrically connected with the signal acquisition box (27) through a lead; one end of the first transmission shaft (51) is connected with the loading speed reducer (10) through a coupler, and the other end of the first transmission shaft is connected with one end of the dynamic torque sensor (21) through a coupler; one end of the second transmission shaft (52) is connected with the other end of the dynamic torque sensor (21) through a coupler, the other end of the second transmission shaft is connected with the main gear (41), and a shaft body of the second transmission shaft (52) is connected with the gear box (4) through a bearing and is connected with the main gear (41) through a flat key.
6. The slewing bearing test device with low power consumption based on multiple distributed modes according to claim 5, wherein the power output mechanism support (110), the controller (28), the first servo motor (16), the first speed reducer (11), the second servo motor (17), the second speed reducer (12), the third servo motor (18), the third speed reducer (13), the fourth servo motor (19) and the fourth speed reducer (14); the bracket (110) is fixed on the base (31) and is positioned on one side of the slewing bearing (65) far away from the torque loading mechanism; the controller (28) is fixed on the electrical control cabinet (26); the first servo motor (16) is connected with the first speed reducer (11) through a bolt, the second servo motor (17) is connected with the second speed reducer (12) through a bolt, the third servo motor (18) is connected with the third speed reducer (13) through a bolt, and the fourth servo motor (19) is connected with the fourth speed reducer (14) through a bolt; the power output shaft of each servo motor is connected with the power input end of the corresponding speed reducer; the power output end of each speed reducer is connected with the power input end of the transmission rod group; the first speed reducer (11), the second speed reducer (12), the third speed reducer (13) and the fourth speed reducer (14) are arranged in a square matrix and are fixed on the support (110) through bolts respectively, and the first servo motor (16), the second servo motor (17), the third servo motor (18) and the fourth servo motor (19) are electrically connected with the controller (28) through electric wires respectively.
7. The slewing bearing test device with low power consumption based on multiple distributed modes according to claim 6, wherein the transmission rod sets comprise a support plate (36), a first power shaft (57), a second power shaft (58), a third power shaft (59), a fourth power shaft (510), a third transmission shaft (53), a fourth transmission shaft (54), a fifth transmission shaft (55), a sixth transmission shaft (56), a first gear (61), a second gear (62), a third gear (63) and a fourth gear (64); the supporting plate (36) is fixed on the base (31) through bolts and is positioned between the slewing bearing (65) and the base (22); two ends of the first power shaft (57) are respectively fixed on the gear box (4) through bearings, one end of the third transmission shaft (53) is connected with one end of the first power shaft (57) through a coupler, and the first gear (61) is installed at the other end of the third transmission shaft (53) through a flat key; two ends of the second power shaft (58) are respectively fixed on the gear box (4) through bearings, one end of the fourth transmission shaft (54) is connected with one end of the second power shaft (58) through a coupler, and the second gear (62) is installed at the other end of the fourth transmission shaft (54) through a flat key; two ends of the third power shaft (59) are respectively fixed on the gear box (4) through bearings, one end of the fifth transmission shaft (55) is connected with one end of the third power shaft (59) through a coupler, and the third gear (63) is installed at the other end of the fifth transmission shaft (55) through a flat key; two ends of the fourth power shaft (510) are respectively fixed on the gear box (4) through bearings, one end of the sixth transmission shaft (56) is connected with one end of the fourth power shaft (510) through a coupler, and the fourth gear (64) is installed at the other end of the sixth transmission shaft (56) through a flat key; the third transmission shaft (53), the fourth transmission shaft (54), the fifth transmission shaft (55) and the sixth transmission shaft (56) are fixed on a support plate (36) through bearings, and the first gear (61), the second gear (62), the third gear (63) and the fourth gear (64) are mutually distributed at 90 degrees and are respectively meshed with the internal threads.
8. The testing device for the multi-distribution-based low-power-consumption slewing bearing is characterized in that the first speed reducer (11) is connected with the first power shaft (57) through a coupler, the second speed reducer (12) is connected with the second power shaft (58) through a coupler, the third speed reducer (13) is connected with the third power shaft (59) through a coupler, and the fourth speed reducer (14) is connected with the fourth power shaft (510) through a coupler.
9. The slewing bearing test device with low power consumption based on multiple distributed types according to claim 7 or 8, wherein the output gear comprises a fifth gear (46), a sixth gear (47), a seventh gear (48) and an eighth gear (49); the reversing gear comprises a first reversing gear (42), a second reversing gear (43), a third reversing gear (44) and a fourth reversing gear (45); the fifth gear (46) meshes with the first reversing gear (42), the sixth gear (47) meshes with the second reversing gear (43), the seventh gear (48) meshes with the third reversing gear (44), and the eighth gear (49) meshes with the fourth reversing gear (45); the first reversing gear (42), the second reversing gear (43), the third reversing gear (44) and the fourth reversing gear (45) are distributed at 90 degrees to each other and are respectively meshed with the main gear (41).
10. Use method of the multi-distributed low-power consumption slewing bearing test device according to any one of claims 1 to 9, characterized by comprising the following steps:
s1, providing power through the servo motor system, controlling the loading servo motor (15) to rotate by an angle, measuring system torque in real time through the torque measuring mechanism, and displaying a torque output curve;
and S2, when the torque output curve reaches the highest value and is stable and unchanged, turning off the power supply, stopping measurement, stopping the operation of each servo motor system, and recording a torque output curve graph.
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