CN114459324B - Take coaxial parallel detection's speed reducer gear characteristic research to use precision test platform - Google Patents
Take coaxial parallel detection's speed reducer gear characteristic research to use precision test platform Download PDFInfo
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- CN114459324B CN114459324B CN202210033379.0A CN202210033379A CN114459324B CN 114459324 B CN114459324 B CN 114459324B CN 202210033379 A CN202210033379 A CN 202210033379A CN 114459324 B CN114459324 B CN 114459324B
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 18
- 238000011160 research Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 119
- 239000010985 leather Substances 0.000 claims abstract description 28
- 230000009467 reduction Effects 0.000 claims abstract description 8
- 238000010030 laminating Methods 0.000 claims abstract 3
- 239000000835 fiber Substances 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 10
- 210000002268 wool Anatomy 0.000 claims description 8
- 230000003068 static effect Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an accuracy test board for researching gear characteristics of a speed reducer with coaxial parallel detection, which comprises a test support, wherein the test support is a main outer frame mounting structure of equipment, movable frames are arranged on opposite sides of the test support, positioning cylinders are arranged in the test support and the movable frames, and a guide rail is arranged on the outer surface of one end of the movable frame; the gear motor is positioned on the outer surface of one end of the test support, the output end of the gear motor is connected with a rotating shaft, and a reduction gear is arranged on the outer surface of the rotating shaft. This take coaxial parallel detection's speed reducer gear characteristic research to use precision test board sets up a plurality of inert gears through between the gear that awaits measuring to connect the connecting axle that corresponds quantity, in the test process, can test the contrast simultaneously by many groups, and the loose axle is through setting up rubber circle and laminating of leather fibrous layer, when the connecting axle is rotatory, utilizes leather fibrous layer and rubber circle friction to produce static and adsorb the dust.
Description
Technical Field
The invention relates to the technical field of gear characteristic tests, in particular to an accuracy test table with coaxial parallel detection for researching 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 coaxial parallel detection of gears, because the disassembly and assembly are troublesome, the single-station test work can be performed, the comparison of multiple groups of test data is inconvenient, the test precision is affected, and meanwhile, the test result is affected by dust during the detection, and the corresponding dust removal structure is lacking, so that the overall practicability is reduced, and therefore, the precision test table for the research of the characteristics of the gears of the speed reducer with the coaxial parallel detection is needed.
Disclosure of Invention
The invention aims to provide an accuracy test board for researching the characteristics of a speed reducer gear with coaxial parallel detection, which solves the problems that in the background art, a plurality of groups of test data are inconvenient to compare, the test accuracy is affected, and meanwhile, the test result is affected by dust during detection, and a corresponding dust removal structure is lacked.
In order to achieve the above purpose, the present invention provides the following technical solutions: precision test bench is used in speed reducer gear characteristic research of taking coaxial parallel to detect includes:
the test support is a main outer frame mounting structure of the equipment, a movable frame is arranged on the opposite surface of the test support, positioning cylinders are arranged in the test support and the movable frame, and a guide rail is arranged on the outer surface of one end of the movable frame;
the speed reducing motor is positioned on the outer surface of one end of the test support, the output end of the speed reducing motor is connected with a rotating shaft, a speed reducing gear is arranged on the outer surface of the rotating shaft, a gear to be tested is connected on the outer surface of the speed reducing gear, and an inert gear is connected on the other end of the gear to be tested;
the test device comprises a test support, a movable frame, a first installation frame, a second installation frame and a third installation frame, wherein the first installation frame is positioned between the test support and the movable frame, the front end of the first installation frame is respectively provided with the second installation frame and the third installation frame, the upper end and the lower end of the first installation frame are provided with transverse sliding rails, and fixing grooves are distributed in the transverse sliding rails at equal intervals;
the dust removing box is positioned on the top surface of the first mounting frame, a movable shaft is arranged in the dust removing box, and polyester fiber wool is arranged on the outer surface of one end of the dust removing box;
the dust collection box is positioned at the tail end of the dust collection box, dust collection hoses are arranged at the front end and the rear end of the dust collection box, and the other end of each dust collection hose is connected with the dust collection box;
the adjusting frame is positioned on the top surface of the first mounting frame, a dial indicator is arranged on the outer surface of the adjusting frame, and a left collar and a right collar are arranged at the output end of the dial indicator;
the first sliding frame is positioned on the outer surface of one end of the movable frame, a second sliding frame is arranged on the opposite surface of the first sliding frame, and a bidirectional screw is arranged between the first sliding frame and the second sliding frame.
As the preferable technical scheme of the invention, the gear to be tested is respectively meshed and connected with the reduction gear and the inert gear, the gear to be tested and the inert gear are distributed on the outer surfaces of the test support and the movable support at equal intervals, and the inside of the gear to be tested is connected with a connecting shaft.
By adopting the technical scheme, the gear to be tested, the reduction gear and the inert gear form a linkage structure, so that coaxial parallel detection work can be carried out on three groups of gears to be tested simultaneously, the inert gears are connected between the gears to be tested, and the rotation speed difference caused by different tooth numbers is avoided, so that the test precision is ensured.
As a preferable technical scheme of the invention, the outer surface of one end of the connecting shaft is provided with the convex blocks at equal intervals, the connecting shaft is movably connected with the positioning cylinder, a ball bearing is arranged between the positioning cylinder and the connecting shaft, the inside of the ball bearing is annularly provided with the guide grooves, and the guide grooves are in clamping connection with the convex blocks.
By adopting the technical scheme, the connecting shaft is connected with the guide slot card through the protruding block, so that the connecting shaft can rotate inside the positioning cylinder, and the connecting mode of the connecting shaft and the positioning cylinder is convenient for taking out the connecting shaft from the inside of the positioning cylinder in a transverse moving mode, so that the plurality of groups of connecting shafts and gears to be tested are convenient to detach for replacement, the plurality of groups of data can be synchronously tested for comparison, and the accuracy of test results is improved.
As the preferable technical scheme of the invention, the outer surface of one end of the rotating shaft is connected with the leather fiber layer in a clamping way, the rotating shaft is movably connected with the dust removing box, one end of the dust removing box is of an arc-shaped structure, and the dust removing box is in sliding connection with the leather fiber layer through polyester fiber wool.
Adopt above-mentioned technical scheme, through setting up the leather fibrous layer in the one end of pivot, when the pivot is rotatory, through the leather fibrous layer and the friction of polyester fiber hair of surface, can produce static and adsorb the dust of the whole surface of pivot, avoid the dust to influence the accuracy nature that coaxial parallel detected.
As the preferable technical scheme of the invention, the outer surface of the movable shaft is respectively provided with a rubber ring and fins, the fins are distributed in a mirror image mode relative to the center point of the movable shaft, and the rubber rings are in fit connection with the leather fiber layer.
By adopting the technical scheme, the movable shaft is attached to the leather fiber layer by arranging the rubber ring, when the connecting shaft rotates, static electricity can be generated by friction between the leather fiber layer and the rubber ring to adsorb dust, meanwhile, the movable shaft connected with the rubber ring and the middle end can be driven, the movable shaft drives the fins to rotate, negative pressure air flow is generated inside the dust removing box, so that dust is discharged into the dust collecting box from the outer surface of the leather fiber layer, and the dust is prevented from accumulating in the static electricity adsorption area to affect subsequent dust removing work.
As the preferable technical scheme of the invention, dust discharging channels are pre-arranged at the front end and the rear end of the dust removing box, through cavities are formed in the dust discharging channels, dust collecting hoses for the dust discharging channels are connected with the dust collecting box, movable grooves are formed in the middle ends of the dust removing box, sliding rods are connected in the movable grooves in a sliding mode, one ends of the sliding rods are fixedly connected with the dust collecting box, pressure springs are arranged on the outer surfaces of the sliding rods, and the pressure springs are connected between the dust collecting box and the dust removing box in a fitting mode.
By adopting the technical scheme, when the fin rotates, the two ends are respectively in the positive pressure state and the negative pressure state, the negative pressure leads dust into the dust discharging channel, the positive pressure discharges the dust in the dust discharging channel into the dust collecting box from the dust collecting hose, and the sliding rod and the pressure spring are arranged between the dust collecting box and the dust collecting box, so that the connecting shaft can be buffered and protected in the testing process, and the influence of transitional abrasion on the testing result is avoided.
As the preferable technical scheme of the invention, the adjusting frame and the parallel sliding rail form a sliding structure, the parallel sliding rail is preset on the top surface of the first installation frame, conical blocks are distributed on the outer surface of the parallel sliding rail at equal intervals, the inside of the adjusting frame is connected with a fastening bolt in a threaded manner, one end of the fastening bolt is provided with a left rubber pad and a right rubber pad, and the rubber pad is in fit connection with the conical blocks.
Adopt above-mentioned technical scheme, through connecting the alignment jig at parallel slide rail surface, can adjust the position of percentage table, be convenient for adapt to the test object of different diameters, the awl piece of parallel slide rail surface is extruded by fastening bolt control rubber pad simultaneously, can increase the stability of alignment jig, carries out the position fixing to the alignment jig to be convenient for test work.
As a preferable technical scheme of the invention, the first sliding frame and the second sliding frame are of the same structure, the first sliding frame and the second sliding frame are in sliding connection with the guide rail, the first sliding frame and the second sliding frame and the bidirectional screw rod form a threaded transmission structure, the middle end of the bidirectional screw rod is provided with a handle, the outer surfaces of one end of the first sliding frame and one end of the second sliding frame are provided with clamping blocks, and the clamping blocks are in fit connection with the fixing groove.
By adopting the technical scheme, the two-way screw is arranged between the first sliding frame and the second sliding frame for threaded transmission, so that the first sliding frame and the second sliding frame vertically lift along the guide rail, a clamping block arranged on the outer surfaces of the first sliding frame and the second sliding frame is conveniently inserted into a fixing groove in the transverse sliding rail, the position of the movable frame can be fixed, and the stability in the testing process is ensured while the disassembly and the assembly are convenient.
Compared with the prior art, the invention has the beneficial effects that: the precision test board for the research of the characteristics of the gear of the speed reducer with coaxial parallel detection comprises:
1. through setting up a plurality of inert gears between the gear that awaits measuring to connect the connecting axle of corresponding quantity, in the test process, can test more groups simultaneously and contrast, and the loose axle is laminated with leather fibrous layer through setting up the rubber circle, when the connecting axle is rotatory, not only can utilize leather fibrous layer and rubber circle friction to produce static and adsorb the dust, but also can drive the loose axle that rubber circle and middle-end are connected simultaneously, the loose axle drives the fin rotation, and produce negative pressure air current in the dust removal box inside, make the dust discharge into the dust collection box inside from leather fibrous layer surface, avoid the dust to pile up in the static adsorption area and influence follow-up dust removal work;
2. through set up the guide rail at movable frame one end surface and lead two slip frames to by two-way screw rod to slip frame screw thread drive, make the fixture block of slip frame one end surface can be with vertical movement's mode and fixed slot separation, be convenient for remove or fix a position the relation of connection of movable frame and horizontal slide rail, increase the change efficiency to await measuring gear and connecting axle, thereby increased holistic flexibility and practicality.
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 diagram of the front view of the movable frame and the transverse guide rail of the present invention;
FIG. 4 is a schematic top view of the interior of the dust box of the present invention;
FIG. 5 is a schematic diagram showing the front view of the inside of the dust-removing box of the present invention;
FIG. 6 is a schematic diagram of the internal side view of the adjusting bracket of the present invention;
FIG. 7 is a schematic diagram showing the front view of the inside of the positioning cylinder and the connecting shaft according to the present invention.
In the figure: 1. testing a bracket; 101. a movable frame; 102. a positioning cylinder; 103. a ball bearing; 104. a guide groove; 105. a guide rail; 2. a speed reducing motor; 21. a rotating shaft; 22. a reduction gear; 23. a gear to be measured; 24. an idler gear; 25. a connecting shaft; 26. a leather fiber layer; 27. a bump; 3. a first mounting frame; 31. a second mounting frame; 32. a third mounting frame; 33. a transverse slide rail; 34. a fixing groove; 35. parallel sliding rails; 36. a cone block; 4. a dust removal box; 41. a movable shaft; 42. a rubber ring; 43. a fin; 44. polyester fiber wool; 45. a movable groove; 46. a dust discharge passage; 47. a cavity is communicated; 5. a dust collection box; 51. a slide bar; 52. a pressure spring; 53. a dust collection hose; 6. an adjusting frame; 61. a dial indicator; 62. a collar; 63. a fastening bolt; 64. a rubber pad; 7. a first sliding frame; 71. a bidirectional screw; 72. a handle; 73. a second sliding frame; 74. and (5) clamping blocks.
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: precision test bench is used in speed reducer gear characteristic research of taking coaxial parallel to detect includes:
the test support 1 is a main outer frame mounting structure of equipment, a movable frame 101 is arranged on the opposite surface of the test support 1, positioning cylinders 102 are arranged in the test support 1 and the movable frame 101, and a guide rail 105 is arranged on the outer surface of one end of the movable frame 101; the speed reducing motor 2 is positioned on the outer surface of one end of the test bracket 1, the output end of the speed reducing motor 2 is connected with a rotating shaft 21, the outer surface of the rotating shaft 21 is provided with a speed reducing gear 22, the outer surface of the speed reducing gear 22 is connected with a gear 23 to be tested, and the other end of the gear 23 to be tested is connected with an inert gear 24; the first mounting frame 3 is positioned between the test bracket 1 and the movable frame 101, the front end of the first mounting frame 3 is respectively provided with a second mounting frame 31 and a third mounting frame 32, the upper end and the lower end of the first mounting frame 3 are provided with transverse sliding rails 33, and fixing grooves 34 are distributed in the transverse sliding rails 33 at equal intervals; the dust removing box 4 is positioned on the top surface of the first mounting frame 3, a movable shaft 41 is arranged in the dust removing box 4, and polyester fiber wool 44 is arranged on the outer surface of one end of the dust removing box 4; the dust box 5 is positioned at the tail end of the dust box 4, dust collection hoses 53 are arranged at the front end and the rear end of the dust box 5, and the other ends of the dust collection hoses 53 are connected with the dust box 4; the adjusting frame 6 is positioned on the top surface of the first mounting frame 3, a dial indicator 61 is arranged on the outer surface of the adjusting frame 6, and a left collar and a right collar 62 are arranged at the output end of the dial indicator 61; the first sliding frame 7 is located on the outer surface of one end of the movable frame 101, the second sliding frame 73 is arranged on the opposite surface of the first sliding frame 7, and the bidirectional screw 71 is arranged between the first sliding frame 7 and the second sliding frame 73.
The gear 23 to be tested is respectively meshed with the reduction gear 22 and the inert gear 24, the gear 23 to be tested and the inert gear 24 are distributed on the outer surfaces of the test support 1 and the movable support 101 at equal intervals, and a connecting shaft 25 is connected inside the gear 23 to be tested; the gears 23 to be tested, the reduction gear 22 and the inert gear 24 form a linkage structure, so that coaxial parallel detection work can be carried out on three groups of gears 23 to be tested simultaneously, and the inert gear 24 is connected between the gears 23 to be tested, so that the rotation speed difference caused by different numbers of teeth is avoided, and the test precision is ensured.
The outer surface of one end of the connecting shaft 25 is provided with convex blocks 27 at equal intervals, the connecting shaft 25 is movably connected with the positioning cylinder 102, a ball bearing 103 is arranged between the positioning cylinder 102 and the connecting shaft 25, guide grooves 104 are annularly distributed in the ball bearing 103, and the guide grooves 104 are in clamping connection with the convex blocks 27; the connecting shaft 25 is connected with the guide groove 104 through the protruding block 27, so that the connecting shaft can rotate inside the positioning barrel 102, the connecting shaft 25 and the positioning barrel 102 are connected, the connecting shaft 25 is conveniently taken out from the inside of the positioning barrel 102 in a transverse moving mode, the plurality of groups of connecting shafts 25 and the gears 23 to be tested are conveniently detached for replacement, the plurality of groups of data can be synchronously tested for comparison, and the accuracy of test results is improved.
The outer surface of one end of the rotating shaft 21 is connected with a leather fiber layer 26 in a clamping way, the rotating shaft 21 is movably connected with the dust removal box 4, one end of the dust removal box 4 is of an arc-shaped structure, and the dust removal box 4 is slidably connected with the leather fiber layer 26 through polyester fiber wool 44; through setting up leather fibrous layer 26 in the one end of pivot 21, when pivot 21 is rotatory, through the leather fibrous layer 26 and the polyester fiber fur 44 friction of surface, can produce static and adsorb the dust of the whole surface of pivot 21, avoid the dust to influence the accuracy nature that coaxial parallel detected.
The outer surface of the movable shaft 41 is respectively provided with a rubber ring 42 and fins 43, the fins 43 are distributed in a mirror image mode relative to the center point of the movable shaft 41, and the rubber ring 42 is in fit connection with the leather fiber layer 26; the loose axle 41 is laminated through setting up rubber circle 42 and leather fibrous layer 26, when connecting axle 25 is rotatory, not only can utilize leather fibrous layer 26 and rubber circle 42 friction to produce static and adsorb the dust, but also can drive the loose axle 41 that rubber circle 42 and middle-end are connected simultaneously, loose axle 41 drives fin 43 rotation to produce the negative pressure air current in dust removal box 4 inside, make the dust discharge into dust collection box 5 inside from leather fibrous layer 26 surface, avoid the dust to pile up in the static adsorption area and influence follow-up dust removal work.
The dust box 4 is provided with dust discharging channels 46 at the front and rear ends in advance, a through cavity 47 is formed in the dust discharging channels 46, the dust discharging channels 46 are connected with the dust box 5 through dust collection hoses 53, the middle end of the dust box 4 is provided with a movable groove 45, a sliding rod 51 is connected in the movable groove 45 in a sliding manner, one end of the sliding rod 51 is fixedly connected with the dust box 5, a pressure spring 52 is arranged on the outer surface of the sliding rod 51, and the pressure spring 52 is in fit connection between the dust box 5 and the dust box 4; the fin 43 is rotatory both ends respectively for positive pressure and negative pressure state, and the negative pressure is introduced the dust into dust exhaust channel 46 inside, and the positive pressure is discharged the dust in the dust exhaust channel 46 from dust absorption hose 53 to dust collection box 5 inside to be provided with slide bar 51 and pressure spring 52 between dust removal box 4 and the dust collection box 5, can carry out the buffering protection to connecting axle 25 in the test process, avoid transition wearing and tearing and influence the test result.
The adjusting frame 6 and the parallel sliding rail 35 form a sliding structure, the parallel sliding rail 35 is preset on the top surface of the first mounting frame 3, conical blocks 36 are distributed on the outer surface of the parallel sliding rail 35 at equal intervals, a fastening bolt 63 is connected with the inside of the adjusting frame 6 in a threaded manner, a left rubber pad and a right rubber pad 64 are arranged at one end of the fastening bolt 63, and the rubber pads 64 are in fit connection with the conical blocks 36; through connecting the alignment jig 6 at the parallel slide rail 35 surface, can adjust the position of percentage table 61, be convenient for adapt to the test object of different diameters, the awl piece 36 of parallel slide rail 35 surface is extruded by fastening bolt 63 control rubber pad 64 simultaneously, can increase the stability of alignment jig 6, carries out the position fixing to alignment jig 6 to be convenient for carry out test work.
The first sliding frame 7 and the second sliding frame 73 are of the same structure, the first sliding frame 7 and the second sliding frame 73 are in sliding connection with the guide rail 105, the first sliding frame 7 and the second sliding frame 73 and the bidirectional screw 71 form a threaded transmission structure, the middle end of the bidirectional screw 71 is provided with a handle 72, the outer surfaces of one end of the first sliding frame 7 and one end of the second sliding frame 73 are provided with a clamping block 74, and the clamping block 74 is in fit connection with the fixed groove 34; through set up two-way screw 71 and carry out the screw drive between first slip frame 7 and second slip frame 73, make first slip frame 7 and second slip frame 73 along guide rail 105 vertical lift, be convenient for insert the fixed slot 34 inside horizontal slide rail 33 with fixture block 74 that first slip frame 7 and second slip frame 73 surface set up to can fix movable frame 101 position, in the dismouting of being convenient for, guaranteed the stability in the test process.
Working principle: when the precision test bench for the speed reducer gear characteristic research with coaxial parallel detection is used, firstly, the speed reducing motor 2 is started to rotate the speed reducing gear 22, the movable shaft 41 connected with the middle end of the rubber ring 42 is driven to rotate in a synchronous manner, the fin 43 is driven to rotate, the connecting shaft 25 between the test support 1 and the movable frame 101 is driven, when the connecting shaft 25 rotates, the coaxiality of the gear 23 to be tested and the connecting shaft 25 is tested by the dial indicator 61, in a side view process, the leather fiber layer 26 on the outer surface of the connecting shaft 25 continuously rubs with polyester fiber wool 44, generated static electricity can adsorb dust on the outer surface of the connecting shaft 25, the leather fiber layer 26 continuously rubs with the rubber ring 42, the movable shaft 41 connected with the middle end of the rubber ring 42 can be driven to rotate synchronously, the fin 43 is driven to adsorb the dust on the outer surface of the leather fiber layer 26 into the dust exhaust channel 46, and the dust inside the dust exhaust channel 46 is exhausted from the dust exhaust hose 53 to the inside the dust exhaust channel 5 by positive pressure wind flow at one end of the fin 43, so that the dust is prevented from affecting the coaxiality detection in the test, when the gear 23 to be tested and the connecting shaft 25 need to be tested, and the connecting shaft 25 need to be controlled to rotate, and the handle 7 can be replaced by the first sliding frame and the second sliding frame 102, and the first sliding frame and the second sliding frame can be replaced conveniently and the whole frame can be replaced conveniently, and the whole frame can be replaced by the whole frame and the frame can be a frame and the frame.
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 (7)
1. Take coaxial parallel detection's speed reducer gear characteristic research to use precision test board, its characterized in that includes:
the test support (1) is a main outer frame mounting structure of equipment, a movable frame (101) is arranged on the opposite face of the test support (1), positioning cylinders (102) are arranged in the test support (1) and the movable frame (101), and a guide rail (105) is arranged on the outer surface of one end of the movable frame (101);
the speed reducing motor (2) is positioned on the outer surface of one end of the test support (1), the output end of the speed reducing motor (2) is connected with a rotating shaft (21), a speed reducing gear (22) is arranged on the outer surface of the rotating shaft (21), a gear (23) to be tested is connected on the outer surface of the speed reducing gear (22), and an inert gear (24) is connected on the other end of the gear (23) to be tested;
the test device comprises a test support (1) and a movable frame (101), wherein the test support is arranged on the upper side of the test support, the movable frame is arranged on the lower side of the test support, the first mounting frame (3) is arranged between the test support (1) and the movable frame (101), a second mounting frame (31) and a third mounting frame (32) are respectively arranged at the front end of the first mounting frame (3), transverse sliding rails (33) are arranged at the upper end and the lower end of the first mounting frame (3), and fixing grooves (34) are distributed in the transverse sliding rails (33) at equal intervals;
the dust removing box (4) is positioned on the top surface of the first mounting frame (3), a movable shaft (41) is arranged in the dust removing box (4), and polyester fiber wool (44) is arranged on the outer surface of one end of the dust removing box (4);
the dust collection box (5) is positioned at the tail end of the dust collection box (4), dust collection hoses (53) are arranged at the front end and the rear end of the dust collection box (5), and the other end of each dust collection hose (53) is connected with the dust collection box (4);
the adjusting frame (6) is positioned on the top surface of the first mounting frame (3), a dial indicator (61) is arranged on the outer surface of the adjusting frame (6), and a left collar and a right collar (62) are arranged at the output end of the dial indicator (61);
the first sliding frame (7) is positioned on the outer surface of one end of the movable frame (101), a second sliding frame (73) is arranged on the opposite surface of the first sliding frame (7), and a bidirectional screw (71) is arranged between the first sliding frame (7) and the second sliding frame (73);
the gear to be tested (23) is respectively connected with the reduction gear (22) and the inert gear (24) in a meshed mode, the gear to be tested (23) and the inert gear (24) are distributed on the outer surfaces of the test support (1) and the movable support (101) at equal intervals, and a connecting shaft (25) is connected inside the gear to be tested (23).
2. The precision test bench for speed reducer gear characteristic research with coaxial parallel detection according to claim 1, wherein: the gear to be tested (23), the reduction gear (22) and the inert gear (24) form a linkage structure, the coaxial parallel detection work can be carried out on three groups of gears to be tested (23) at the same time, the inert gear (24) is connected between the gears to be tested (23), and the difference of rotation speed caused by different tooth numbers is avoided, so that the test precision is ensured.
3. The precision test bench for speed reducer gear characteristic research with coaxial parallel detection according to claim 1, wherein: the novel dust-removing device is characterized in that a leather fiber layer (26) is connected to one end of the rotating shaft (21) in a clamping mode, the rotating shaft (21) is movably connected with the dust-removing box (4), one end of the dust-removing box (4) is of an arc-shaped structure, and the dust-removing box (4) is slidably connected with the leather fiber layer (26) through polyester fiber wool (44).
4. The precision test bench for speed reducer gear characteristic research with coaxial parallel detection according to claim 1, wherein: the outer surface of the movable shaft (41) is respectively provided with a rubber ring (42) and fins (43), the fins (43) are distributed in a mirror image mode relative to the center point of the movable shaft (41), and the rubber rings (42) are in fit connection with the leather fiber layer (26).
5. The precision test bench for speed reducer gear characteristic research with coaxial parallel detection according to claim 1, wherein: dust removal box (4) front and back both ends are equipped with dust discharging passageway (46) in advance, dust discharging passageway (46) are inside to be seted up logical chamber (47), dust collection hose (53) and dust collection box (5) interconnect are used in dust discharging passageway (46), movable groove (45) have been seted up to dust removal box (4) middle-end, inside sliding connection of movable groove (45) has slide bar (51), the one end and dust collection box (5) fixed connection of slide bar (51), slide bar (51) surface is provided with pressure spring (52), pressure spring (52) laminating are connected between dust collection box (5) and dust collection box (4).
6. The precision test bench for speed reducer gear characteristic research with coaxial parallel detection according to claim 1, wherein: the utility model discloses a sliding structure is formed with parallel slide rail (35) to alignment jig (6), parallel slide rail (35) are preset at first mounting bracket (3) top surface, equidistant distribution of parallel slide rail (35) surface has awl piece (36), inside threaded connection of alignment jig (6) has fastening bolt (63), rubber pad (64) about the one end of fastening bolt (63) is established, rubber pad (64) are laminating connection with awl piece (36).
7. The precision test bench for speed reducer gear characteristic research with coaxial parallel detection according to claim 1, wherein: the novel sliding device is characterized in that the first sliding frame (7) and the second sliding frame (73) are of the same structure, the first sliding frame (7) and the second sliding frame (73) are in sliding connection with the guide rail (105), the first sliding frame (7) and the second sliding frame (73) and the bidirectional screw (71) form a threaded transmission structure, a handle (72) is arranged at the middle end of the bidirectional screw (71), a clamping block (74) is arranged on the outer surface of one end of the first sliding frame (7) and one end of the second sliding frame (73), and the clamping block (74) is in fit connection with the fixed groove (34).
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| CN202210033379.0A CN114459324B (en) | 2022-01-12 | 2022-01-12 | Take coaxial parallel detection's speed reducer gear characteristic research to use precision test platform |
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| CN202210033379.0A CN114459324B (en) | 2022-01-12 | 2022-01-12 | Take coaxial parallel detection's speed reducer gear characteristic research to use precision test platform |
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