CN114509258B - Vibration and noise integrated testing machine for experimental study of gear characteristics of speed reducer - Google Patents
Vibration and noise integrated testing machine for experimental study of gear characteristics of speed reducer Download PDFInfo
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- CN114509258B CN114509258B CN202210033386.0A CN202210033386A CN114509258B CN 114509258 B CN114509258 B CN 114509258B CN 202210033386 A CN202210033386 A CN 202210033386A CN 114509258 B CN114509258 B CN 114509258B
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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
- G01M13/021—Gearings
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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
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
- G01M13/026—Test-benches of the mechanical closed-loop type, i.e. having a gear system constituting a closed-loop in combination with the object under test
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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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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention discloses a vibration and noise integrated testing machine for experimental study of gear characteristics of a speed reducer, which comprises a testing table and a main outer frame supporting structure of equipment, wherein a hydraulic cylinder is arranged on the outer surface of the testing table, the other end of the hydraulic cylinder is connected with a supporting frame, and the supporting frame is positioned on the opposite face of the testing table; the speed reducing box is positioned on the outer surface of one end of the test bench, a first rotating shaft and a second rotating shaft are respectively arranged in the speed reducing box, and the output end of the second rotating shaft is connected with a speed reducing motor. This integrative testing machine of vibration and noise for speed reducer gear characteristic experimental study, pneumatic cylinder is flexible between testboard and support frame, can adjust the interval of testboard and support frame, when waiting to survey the gear and change, can be through the mode of horizontal regulation, breaks away from the one end of connecting axle from the connecting cylinder is inside, is convenient for change the gear that awaits measuring, reduces to change required step to test efficiency has been increased.
Description
Technical Field
The invention relates to the technical field of gear characteristic tests, in particular to a vibration and noise integrated testing machine for experimental study of gear characteristics of a speed reducer.
Background
The gear transmission is an important transmission form for transmitting power, plays an important role in the fields of automobiles, ships, aerospace, aviation and the like, and is gradually increased along with the development of technology and the improvement of use demands, the gear transmission power is gradually increased, the running rotating speed is gradually increased, the requirements on the vibration and noise of gears are also higher and higher, the vibration and noise of gears are important indexes for evaluating the gear transmission performance, technical support can be provided for the design and manufacture of high-performance gears aiming at the research of the vibration and noise of the gears, the existing gear transmission test bed is mainly an open test bed, the test capacity of the open test bed is mainly limited by a loading device, the test requirement of the ship gears on the high speed and the heavy load is difficult to meet, therefore, the mechanical power sealing test bed is designed for completing the test research of the high speed and the heavy load gears, and the test bed can be designed through the test box structure design and the test method, and the test bed can be used for carrying out the analysis of the influence on the gear transmission performance by factors such as the gear precision, the basic parameters of the bevel gears and the herringbone gears and the like under the condition that the center distance is unchanged, and the verification test of various factors can be carried out on the test bed.
However, in the process of testing the vibration and the noise of the gears, the sizes of the diameters of the gears with different diameters cannot be adapted according to actual requirements, certain limitation is provided in the testing process, the tested gears are inconvenient to replace, the accuracy of the gear measurement result is affected when the testing work of the gears with large base number is faced, and therefore the overall practicability is reduced, and therefore, the vibration and the noise integrated testing machine for the gear characteristic experimental study of the speed reducer is needed.
Disclosure of Invention
The invention aims to provide a vibration and noise integrated testing machine for experimental study of gear characteristics of a speed reducer, which aims to solve the problems that in the background art, the diameter of gears with different diameters cannot be adapted according to actual requirements, certain limitation is caused in the testing process, the tested gears are inconvenient to replace, and the accuracy of gear measurement results is affected when the testing work of gears with large base numbers is faced.
In order to achieve the above purpose, the present invention provides the following technical solutions: vibration and noise integrated testing machine for experimental study of gear characteristics of speed reducer comprises:
the test bench is a main outer frame supporting structure of the equipment, a hydraulic cylinder is arranged on the outer surface of the test bench, the other end of the hydraulic cylinder is connected with a supporting frame, and the supporting frame is positioned on the opposite face of the test bench;
the speed reducing box is positioned on the outer surface of one end of the test bench, a first rotating shaft and a second rotating shaft are respectively arranged in the speed reducing box, and the output end of the second rotating shaft is connected with a speed reducing motor;
the guide frame is positioned on the outer surface of the test bench, and a toothed belt is arranged in the guide frame;
the connecting shaft is positioned between the test bench and the supporting frame, one end of the connecting shaft penetrates through the test bench, and a gear to be tested is arranged on the outer surface of the connecting shaft;
the adjusting frame is positioned on the outer surface of the guide frame, a locking bolt is connected inside the adjusting frame, and one end of the locking bolt penetrates through the adjusting frame and the guide frame;
the adjusting screw is connected to the bottom of the reduction gearbox, one end of the adjusting screw is connected with a handle, one end of the adjusting screw penetrates through the inside of the reduction gearbox, and one end of the adjusting screw is connected with a fixing plate;
the connecting cylinder is positioned on the outer surface of one end of the supporting frame, and a ball bearing is arranged in the connecting cylinder.
As the preferable technical scheme of the invention, the test bench forms a telescopic adjusting structure with the supporting frame through the hydraulic cylinder, the supporting frame is fixedly connected with the connecting cylinder, the test bench has the same shape and structure as the supporting frame, and the test bench has an arc-shaped structure.
By adopting the technical scheme, the hydraulic cylinder stretches out and draws back between testboard and support frame, can adjust the interval of testboard and support frame, when waiting to survey the gear and change, can break away from the inside connecting cylinder with the one end of connecting axle through the mode of horizontal regulation, be convenient for change the gear that awaits measuring, reduce and change required step to test efficiency has been increased.
As a preferable technical scheme of the invention, the reduction gearbox is movably connected with the test bench, the reduction gearbox is rotatably connected with the first rotating shaft and the second rotating shaft, a first gear set is arranged on the outer surface of the first rotating shaft, a second gear set is arranged on the outer surface of the second rotating shaft, the second gear set is meshed with the first gear set, and the first gear set is meshed with the gear to be tested.
By adopting the technical scheme, the first gear set on the outer surface of the first gear set is meshed with the gear to be tested and the second gear set respectively, and meanwhile, the second rotating shaft connected with the middle end of the second gear set is driven by the gear motor, so that the first gear set and the gear to be tested can be controlled to be meshed for transmission in real time, and vibration and noise generated in the transmission process can be conveniently tested.
As the preferable technical scheme of the invention, the reduction gearbox and the adjusting screw form a threaded transmission structure, sliding rods are symmetrically distributed in the reduction gearbox, one end of each sliding rod is connected with the fixing plate, and the sliding rods are in sliding connection with the reduction gearbox.
By adopting the technical scheme, the reduction gearbox is provided with the adjusting screw and the sliding rod at the bottom, one end of the screw and one end of the sliding rod are connected to the outer surface of the fixed plate, the reduction gearbox can be integrally moved under the control of the handle, the reduction gearbox is provided with the guiding movement effect, the first gear set is prevented from being meshed with the gear to be detected, the number of teeth is required to be calibrated again, and the replacement work of the gear to be detected is facilitated.
As a preferable technical scheme of the invention, an adjusting handle is arranged on the outer surface of one end of the guide frame, the output end of the adjusting handle is connected with a main driving roller, an auxiliary driving roller is arranged on the opposite surface of the main driving roller, and the main driving roller, the auxiliary driving roller and the toothed belt form a driving structure.
By adopting the technical scheme, the guide frame controls the main driving roller through the adjusting handle, and the main driving roller and the auxiliary driving roller support and drive the toothed belt, so that the toothed belt and the toothed block are meshed and driven, the adjusting frame can be controlled to slide on the outer surface of the guide frame, and the diameter of the gear to be measured can be adjusted, so that the flexibility of the whole structure of the equipment is improved.
As the preferable technical scheme of the invention, the adjusting frame and the guide frame form a sliding structure, the bottom of the adjusting frame is distributed with tooth blocks at equal intervals, the tooth blocks are connected with the toothed belt in a meshed manner, the adjusting frame is annularly distributed on the outer surface of the test bench, a baffle is arranged on the outer surface of one end of the adjusting frame, and the adjusting frame and the baffle are both in arc-shaped structures.
By adopting the technical scheme, the shape structure of the adjusting frame can better attach the second dial indicators to the outer surface of the gear to be tested, and a plurality of second dial indicators are arranged to increase the contact area with the gear to be tested, so that the test values can be compared, the base number in the test process is improved, and the accuracy of the test structure is improved.
As the preferable technical scheme of the invention, a second dial indicator is arranged in the adjusting frame, one end outer surface of the second dial indicator is in fit sliding connection with the gear to be measured, the adjusting frame is in threaded connection with the locking bolt, and the locking bolt is in fit connection with the guide frame.
By adopting the technical scheme, when the adjusting frame slides along the outer surface of the guide frame, the adjusting frame is penetrated through the locking bolt, and the outer surface of one end extrudes the guide frame, so that the positions of the adjusting frame and the second dial indicator can be fixed, and the stability of the second dial indicator in the testing process is improved.
As the preferable technical scheme of the invention, the ball bearings are arranged in the connecting cylinder, positioning grooves are distributed in the ball bearings at equal intervals, limiting blocks are connected in the positioning grooves, the limiting blocks are annularly distributed on the outer surface of the connecting shaft, the connecting shaft and the connecting cylinder form a dismounting structure, one end outer surface of the connecting shaft is connected with a first dial indicator in a fitting manner, an installation seat is arranged on the outer surface of the first dial indicator, and the installation seat is fixedly connected with the test bench.
Adopt above-mentioned technical scheme, through setting up a plurality of constant head tanks inside ball bearing to ball bearing installs inside the connecting cylinder, when corresponding with the connecting axle position, can be to the axial spacing of going on of connecting axle, increase the driving force of connecting axle, avoid coefficient of friction too big and cause transmission resistance, and be convenient for carry out the dismouting to the connecting axle, the position of first percentage table can be at the inside adjustment of mount pad simultaneously, thereby has increased holistic practicality.
Compared with the prior art, the invention has the beneficial effects that: this speed reducer gear characteristic experiment research is with integrative test machine of vibration and noise:
1. the hydraulic cylinder stretches between the test table and the support frame, the distance between the test table and the support frame can be adjusted, when the gear to be tested is replaced, one end of the connecting shaft can be separated from the inside of the connecting cylinder in a transverse adjusting mode, the gear to be tested is convenient to replace, the steps required for replacement are reduced, and therefore the test efficiency is improved;
2. the reducing gear box is through setting up adjusting screw and slide bar in the bottom, and screw rod and slide bar one end are connected at the fixed plate surface, under the control of handle, can wholly remove the reducing gear box to have the effect that the direction removed to the reducing gear box, when avoiding first gear train and the gear engagement that awaits measuring, need carry out the tooth number calibration once more, the change work of the gear that awaits measuring of being convenient for cooperate.
Drawings
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall side view of the present invention;
FIG. 3 is a schematic side view of the adjusting bracket of the present invention;
FIG. 4 is a schematic diagram of the internal side view of the reduction gearbox of the present invention;
FIG. 5 is a schematic cross-sectional top view of the guide frame and the adjusting frame of the present invention;
FIG. 6 is a schematic diagram of the internal elevation structure of the guide frame and the adjusting frame of the present invention;
fig. 7 is a schematic view showing the front structure of the inside of the connecting shaft and the connecting cylinder of the present invention.
In the figure: 1. a test bench; 101. a hydraulic cylinder; 102. a support frame; 2. a reduction gearbox; 21. a first rotating shaft; 22. a first gear set; 23. a second rotating shaft; 24. a second gear set; 25. a speed reducing motor; 3. a guide frame; 31. a toothed belt; 32. an adjusting handle; 33. a main driving roller; 34. an auxiliary driving roller; 4. a connecting shaft; 41. a gear to be measured; 42. a limiting block; 43. a first dial gauge; 44. a mounting base; 5. an adjusting frame; 51. a baffle; 52. a locking bolt; 53. a second dial gauge; 54. tooth blocks; 6. adjusting a screw; 61. a handle; 62. a slide bar; 63. a fixing plate; 7. a connecting cylinder; 71. a ball bearing; 72. and a positioning groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: vibration and noise integrated testing machine for experimental study of gear characteristics of speed reducer comprises:
the test bench 1 is a main outer frame supporting structure of equipment, a hydraulic cylinder 101 is arranged on the outer surface of the test bench 1, the other end of the hydraulic cylinder 101 is connected with a support frame 102, and the support frame 102 is positioned on the opposite surface of the test bench 1; the speed reduction box 2 is positioned on the outer surface of one end of the test bench 1, a first rotating shaft 21 and a second rotating shaft 23 are respectively arranged in the speed reduction box 2, and the output end of the second rotating shaft 23 is connected with a speed reduction motor 25; the guide frame 3 is positioned on the outer surface of the test bench 1, and a toothed belt 31 is arranged in the guide frame 3; the connecting shaft 4 is positioned between the test bench 1 and the supporting frame 102, one end of the connecting shaft 4 penetrates through the test bench 1, and a gear 41 to be tested is arranged on the outer surface of the connecting shaft 4; the adjusting frame 5 is positioned on the outer surface of the guide frame 3, a locking bolt 52 is connected in the adjusting frame 5, and one end of the locking bolt 52 penetrates through the adjusting frame 5 and the guide frame 3; the adjusting screw rod 6 is connected to the bottom of the reduction gearbox 2, one end of the adjusting screw rod 6 is connected with a handle 61, one end of the adjusting screw rod 6 penetrates through the reduction gearbox 2, and one end of the adjusting screw rod 6 is connected with a fixing plate 63; the connecting cylinder 7 is positioned on the outer surface of one end of the supporting frame 102, and a ball bearing 71 is arranged in the connecting cylinder 7.
The test bench 1 forms a telescopic adjusting structure with the support frame 102 through the hydraulic cylinder 101, the support frame 102 is fixedly connected with the connecting cylinder 7, the test bench 1 has the same shape and structure as the support frame 102, and the test bench 1 has an arc-shaped structure; the hydraulic cylinder 101 stretches out and draws back between testboard 1 and support frame 102, can adjust testboard 1 and support frame 102 interval, when waiting to test gear 41 to change, can break away from the inside connecting cylinder 7 with the one end of connecting axle 4 through the mode of horizontal regulation, be convenient for change the gear 41 that awaits measuring, reduce the required step of change to test efficiency has been increased.
The speed reduction box 2 is movably connected with the test bench 1, the speed reduction box 2 is rotatably connected with the first rotating shaft 21 and the second rotating shaft 23, a first gear set 22 is arranged on the outer surface of the first rotating shaft 21, a second gear set 24 is arranged on the outer surface of the second rotating shaft 23, the second gear set 24 is in meshed connection with the first gear set 22, and the first gear set 22 is in meshed connection with the gear 41 to be tested; the first gear set 22 on the outer surface of the first rotating shaft 21 is meshed with the gear 41 to be tested and the second gear set 24 respectively, meanwhile, the second rotating shaft 23 connected with the middle end of the second gear set 24 is driven by the gear motor 25, so that the meshing transmission of the first gear set 22 and the gear 41 to be tested can be controlled in real time, and vibration and noise generated in the transmission process can be conveniently tested.
The reduction gearbox 2 and the adjusting screw 6 form a threaded transmission structure, sliding rods 62 are symmetrically distributed in the reduction gearbox 2, one end of each sliding rod 62 is connected with a fixed plate 63, and the sliding rods 62 are in sliding connection with the reduction gearbox 2; the reduction gearbox 2 is through setting up adjusting screw 6 and slide bar 62 in the bottom, and screw 6 and slide bar 62 one end are connected at fixed plate 63 surface, under the control of handle 61, can wholly remove reduction gearbox 2 to have the effect that the direction removed to reduction gearbox 2, when avoiding first gear train 22 to mesh with the gear 41 that awaits measuring, need carry out the tooth number calibration once more, the change work of the gear 41 that awaits measuring of being convenient for cooperate.
An adjusting handle 32 is arranged on the outer surface of one end of the guide frame 3, the output end of the adjusting handle 32 is connected with a main driving roller 33, an auxiliary driving roller 34 is arranged on the opposite surface of the main driving roller 33, and the main driving roller 33, the auxiliary driving roller 34 and the toothed belt 31 form a driving structure; the guide frame 3 controls the main driving roller 33 by arranging the adjusting handle 32, and the main driving roller 33 and the auxiliary driving roller 34 support and drive the toothed belt 31, so that the toothed belt 31 and the toothed block 54 are meshed and driven, the outer surface of the guide frame 3 can be controlled to slide, and the diameter of the gear 41 to be measured can be adjusted, so that the flexibility of the whole structure of the equipment is improved.
The adjusting frame 5 and the guide frame 3 form a sliding structure, tooth blocks 54 are distributed at equal intervals at the bottom of the adjusting frame 5, the tooth blocks 54 are in meshed connection with the toothed belt 31, the adjusting frame 5 is annularly distributed on the outer surface of the test bench 1, a baffle plate 51 is arranged on the outer surface of one end of the adjusting frame 5, and the adjusting frame 5 and the baffle plate 51 are of arc-shaped structures; the shape structure of the adjusting frame 5 can better attach the second dial indicators 53 to the outer surface of the gear 41 to be tested, and a plurality of second dial indicators 53 are arranged to increase the contact area with the gear 41 to be tested, so that the test values can be compared, the base number in the test process is improved, and the accuracy of the test structure is improved.
A second dial indicator 53 is arranged in the adjusting frame 5, one end outer surface of the second dial indicator 53 is in fit sliding connection with the gear 41 to be measured, the adjusting frame 5 is in threaded connection with a locking bolt 52, and the locking bolt 52 is in fit connection with the guide frame 3; when the adjusting frame 5 slides along the outer surface of the guide frame 3, the locking bolt 52 penetrates through the adjusting frame 5, and one end of the outer surface extrudes the guide frame 3, so that the positions of the adjusting frame 5 and the second dial indicator 53 can be fixed, and the stability of the second dial indicator 53 in the testing process is improved.
The ball bearings 71 are arranged in the connecting cylinder 7, positioning grooves 72 are distributed at equal intervals in the ball bearings 71, limiting blocks 42 are connected in the positioning grooves 72, the limiting blocks 42 are annularly distributed on the outer surface of the connecting shaft 4, the connecting shaft 4 and the connecting cylinder 7 form a dismounting structure, a first dial indicator 43 is attached to and connected with the outer surface of one end of the connecting shaft 4, an installation seat 44 is arranged on the outer surface of the first dial indicator 43, and the installation seat 44 is fixedly connected with the test bench 1; through set up a plurality of constant head tanks 72 inside ball bearing 71 to ball bearing 71 installs inside connecting cylinder 7, when corresponding with connecting axle 4 position, can be to the axial spacing of connecting axle 4, increases the driving force of connecting axle 4, avoids coefficient of friction too big and causes transmission resistance, and is convenient for carry out the dismouting to connecting axle 4, and simultaneously the position of first percentage table 43 can be at the inside adjustment of mount pad 44, thereby has increased holistic practicality.
Working principle: when the vibration and noise integrated testing machine for gear characteristic experiment research of the speed reducer is used, firstly, the position of the adjusting frame 5 is adjusted according to the diameter of the gear 41 to be tested, the adjusting handle 32 is controlled to rotate the main driving roller 33, the main driving roller 33 and the auxiliary driving roller 34 support the toothed belt 31 and simultaneously drive the toothed belt 31 to be meshed with the toothed block 54, the adjusting frame 5 slides along the outer surface of the guide frame 3 in a rotating rolling mode, then the position of the second dial indicator 53 in the adjusting frame 5 is adjusted, one end of the second dial indicator 53 is attached to the outer surface of the gear 41 to be tested, the numerical value of the second dial indicator 53 is ensured to be at an initial position, then one end of the locking bolt 52 is attached to and extruded on the outer surface of the guide frame 3, the current position of the adjusting frame 5 is fixed, then the first dial indicator 43 is adjusted in the mounting seat 44 in the same way, one end of the first dial indicator 43 is attached to the outer surface of the connecting shaft 4, the gear motor 25 is started, the gear 41 to be tested is in a rotating state under the mutual meshing transmission of the first gear set 22 and the second gear set 24, in the rotating process, the connecting shaft 4 and the gear 41 to be tested continuously transmit with the first dial indicator 43 and the second dial indicator 53, vibration and noise generated by the fact that the coaxiality and the tooth number gaps of the gear to be tested are different are facilitated, when the gear 41 to be tested needs to be replaced, the hydraulic cylinder 101 is started to adjust the transverse distance between the test board 1 and the supporting frame 102, one end of the connecting shaft 4 is separated from the inside of the connecting cylinder 7, the control handle 61 is rotated to adjust the screw rod 6, the reduction gearbox 2 is moved in parallel along the sliding rod 62, the first gear set 22 is separated from the gear 41 to be tested, according to installing new gear 41 and connecting axle 4 that awaits measuring between testboard 1 and support frame 102, rotatory adjusting screw 6 again resets reduction gearbox 2 can to holistic practicality has been increased.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Vibration and noise integrated testing machine for experimental study of gear characteristics of speed reducer is characterized by comprising:
the test bench (1) is a main outer frame supporting structure of the equipment, a hydraulic cylinder (101) is arranged on the outer surface of the test bench (1), the other end of the hydraulic cylinder (101) is connected with a supporting frame (102), and the supporting frame (102) is positioned on the opposite surface of the test bench (1);
the speed reduction box (2) is positioned on the outer surface of one end of the test bench (1), a first rotating shaft (21) and a second rotating shaft (23) are respectively arranged in the speed reduction box (2), and the output end of the second rotating shaft (23) is connected with a speed reduction motor (25);
the guide frame (3) is positioned on the outer surface of the test table (1), and a toothed belt (31) is arranged in the guide frame (3);
the connecting shaft (4) is positioned between the test bench (1) and the supporting frame (102), one end of the connecting shaft (4) penetrates through the test bench (1), and a gear (41) to be tested is arranged on the outer surface of the connecting shaft (4);
the adjusting frame (5) is positioned on the outer surface of the guide frame (3), a locking bolt (52) is connected inside the adjusting frame (5), and one end of the locking bolt (52) penetrates through the adjusting frame (5) and the guide frame (3);
the adjusting screw (6) is connected to the bottom of the reduction gearbox (2), one end of the adjusting screw (6) is connected with a handle (61), one end of the adjusting screw (6) penetrates through the reduction gearbox (2), and one end of the adjusting screw (6) is connected with a fixing plate (63);
the connecting cylinder (7) is positioned on the outer surface of one end of the supporting frame (102), and a ball bearing (71) is arranged in the connecting cylinder (7);
the adjusting frame (5) is internally provided with a second dial indicator (53), one end outer surface of the second dial indicator (53) is in fit sliding connection with the gear (41) to be measured, the adjusting frame (5) is in threaded connection with the locking bolt (52), and the locking bolt (52) is in fit connection with the guide frame (3);
the utility model discloses a test bench, including connecting tube (7), connecting tube (4), connecting tube (7), ball bearing (7) inside equidistant distributed has constant head tank (72), constant head tank (72) internally connected has stopper (42), stopper (42) annular distribution is in connecting shaft (4) surface, connecting shaft (4) constitute dismouting structure with connecting tube (7), the laminating of one end surface of connecting shaft (4) is connected with first percentage table (43), first percentage table (43) surface is provided with mount pad (44), mount pad (44) and test bench (1) fixed connection.
2. The vibration and noise integrated tester for experimental study of gear characteristics of speed reducer according to claim 1, wherein: the test bench (1) forms a telescopic adjusting structure with the support frame (102) through the hydraulic cylinder (101), the support frame (102) is fixedly connected with the connecting cylinder (7), the test bench (1) has the same shape and structure as the support frame (102), and the test bench (1) has an arc-shaped structure.
3. The vibration and noise integrated tester for experimental study of gear characteristics of speed reducer according to claim 1, wherein: the speed reduction box (2) is movably connected with the test bench (1), the speed reduction box (2) is rotatably connected with the first rotating shaft (21) and the second rotating shaft (23), a first gear set (22) is arranged on the outer surface of the first rotating shaft (21), a second gear set (24) is arranged on the outer surface of the second rotating shaft (23), the second gear set (24) is meshed with the first gear set (22), and the first gear set (22) is meshed with the gear (41) to be tested.
4. The vibration and noise integrated tester for experimental study of gear characteristics of speed reducer according to claim 1, wherein: the speed reduction box (2) and the adjusting screw (6) form a threaded transmission structure, sliding rods (62) are symmetrically distributed in the speed reduction box (2), one end of each sliding rod (62) is connected with a fixing plate (63) mutually, and the sliding rods (62) are in sliding connection with the speed reduction box (2).
5. The vibration and noise integrated tester for experimental study of gear characteristics of speed reducer according to claim 1, wherein: the guide frame (3) one end surface is provided with adjustment handle (32), the output of adjustment handle (32) is connected with main driving roller (33), the opposite face of main driving roller (33) is provided with auxiliary driving roller (34), main driving roller (33) and auxiliary driving roller (34) constitute transmission structure with toothed belt (31).
6. The vibration and noise integrated tester for experimental study of gear characteristics of speed reducer according to claim 1, wherein: the utility model discloses a test bench, including test bench (1), alignment jig (5), guide frame (3), alignment jig (5), tooth piece (54) are equidistant to be distributed to alignment jig (5) bottom, tooth piece (54) are connected for the meshing with tooth area (31), alignment jig (5) annular distributes at test bench (1) surface, alignment jig (5) one end surface is provided with baffle (51), alignment jig (5) and baffle (51) are arc-shaped structure.
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| CN202210033386.0A CN114509258B (en) | 2022-01-12 | 2022-01-12 | Vibration and noise integrated testing machine for experimental study of gear characteristics of speed reducer |
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| CN114509258B true CN114509258B (en) | 2023-09-12 |
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