CN117129145B - Dynamic balance testing device - Google Patents
Dynamic balance testing device Download PDFInfo
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- CN117129145B CN117129145B CN202311385910.1A CN202311385910A CN117129145B CN 117129145 B CN117129145 B CN 117129145B CN 202311385910 A CN202311385910 A CN 202311385910A CN 117129145 B CN117129145 B CN 117129145B
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000012634 fragment Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining unbalance
- G01M1/16—Determining unbalance by oscillating or rotating the body to be tested
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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
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/30—Compensating unbalance
- G01M1/34—Compensating unbalance by removing material from the body to be tested, e.g. from the tread of tyres
Abstract
The invention discloses a dynamic balance testing device, which relates to the field of dynamic balance testing and comprises a base, wherein the upper end surface of the base is symmetrically and fixedly connected with two support plates in a left-right mode near the central position, the central positions of the upper end surfaces of the support plates are fixedly connected with brackets, and the left side of the upper end surface of the base is fixedly connected with a control panel; the center of the rear side of the base is fixedly connected with a hanging plate, a cover plate is hung on the hanging plate, the lower end face of the cover plate is fixedly connected with a pressing plate of a U-shaped structure, the left side and the right side of the lower end face of the pressing plate are symmetrically and fixedly connected with pressing blocks, the left side of the left side support plate is provided with a driving mechanism, the driving mechanism comprises a first belt wheel and a second belt wheel which are distributed in an inverted isosceles triangle structure, the first belt wheel is connected with the second belt wheel through belt transmission, and a first carrier plate is arranged below the first belt wheel. The main shaft is driven to rotate by the driving mechanism, and the position of the first belt wheel is adjustable, so that the main shaft can adapt to main shafts with different diameters, and the testing range is improved.
Description
Technical Field
The invention relates to the field of dynamic balance testing, in particular to a dynamic balance testing device.
Background
Any rotor, when rotated about its axis, generates centrifugal force due to uneven mass distribution relative to the axis. Such unbalanced centrifugal forces act on the rotor bearings causing vibrations, noise and accelerated bearing wear, so that the performance and lifetime of the product are severely affected. In the manufacturing process of the motor rotor, the machine tool spindle, the crankshaft of the internal combustion engine, the turbine rotor, the gyro rotor, the clock balance wheel and other rotating parts, the rotating parts can be stably and normally operated through balancing.
The Chinese patent with the issued publication number of CN209014200U discloses a main shaft dynamic balance detection device, and provides a technical scheme that a motor drives a first gear to rotate in a working state, the first gear drives a second gear to rotate in a rotating process, and the second gear rotates with a third gear meshed with the second gear in the rotating process, so that a driving shaft is driven to rotate, and the purpose of driving the driving shaft to rotate is achieved; and opening manual valves on the first oil injection pipe and the second oil injection pipe, injecting lubricating oil into the first oil injection pipe and the second oil injection pipe, enabling the lubricating oil to drop to the meshing position of the first gear and the second gear through the first oil injection pipe, and enabling the lubricating oil to drop to the meshing position of the second gear and the third gear through the second oil injection pipe, so that friction between the first gear and the second gear and friction between the second gear and the third gear are reduced, and the purpose of protecting the first gear, the second gear and the third gear is achieved.
Above-mentioned patent drives the main shaft through multiunit gear drive's mode and rotates, and this kind of transmission mode leads to the fact wearing and tearing easily to take place between the gear, through adding lubricating oil to between the gear for the wearing and tearing has been reduced, however the flow of oiling pipe is difficult to control, and rotatory gear can get rid of lubricating oil all around to lead to a large amount of oil extravagant, multiunit gear's setting has increased manufacturing cost, and the interpolation of lubricating oil has also increased maintenance cost, and the lubricating oil solution that splashes adheres on detecting instrument, also can influence the testing result.
For this purpose, a dynamic balance test device is proposed.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme.
The dynamic balance testing device comprises a base, wherein two support plates are symmetrically and fixedly connected on the left side and the right side of the upper end face of the base close to the central position, supports are fixedly connected on the central position of the upper end face of each support plate, and a control panel is fixedly connected on the left side of the upper end face of the base; the center of the rear side surface of the base is fixedly connected with a hanging plate, a cover plate is hung on the hanging plate, the lower end surface of the cover plate is fixedly connected with a pressing plate with a U-shaped structure, the left side and the right side of the lower end surface of the pressing plate are symmetrically and fixedly connected with pressing blocks, and the left side of the supporting plate is provided with a driving mechanism;
the driving mechanism comprises a first belt wheel and a second belt wheel which are distributed in an inverted isosceles triangle structure, the first belt wheel and the second belt wheel are connected through belt transmission, a first carrier plate is arranged below the first belt wheel, the upper end face of the first carrier plate is fixedly connected with a first motor, and the end part of an output shaft of the first motor is fixedly connected with the first belt wheel.
Further, the left side the symmetry fixedly connected with fixed plate of extension board up end left and right sides, the fixed plate left surface is all rotated through the pivot and is connected with the second band pulley, first band pulley is located under the position between two second band pulleys.
Further, the first sliding blocks of two T-shaped structures are symmetrically and fixedly connected to the right side of the first carrier plate in front-back directions, a first sliding groove matched with the first sliding blocks is formed in the left side face of the support plate, a first hydraulic push rod is fixedly connected to the upper end face of the base below the first carrier plate, and the telescopic end of the first hydraulic push rod is fixedly connected with the lower end face of the first carrier plate.
Further, the center of the upper end face of the pressing plate is fixedly connected with a second double-shaft motor, the end parts of the output shafts on the left side and the right side of the second double-shaft motor are fixedly connected with driving shafts, and one ends, far away from each other, of the driving shafts penetrate through the left side plate and the right side plate of the pressing plate respectively and are fixedly connected with gears.
Further, the first slide rail has been seted up to one side that the curb plate kept away from each other about the clamp plate was located gear top position, the second slide rail has been seted up to one side that the curb plate kept away from each other about the clamp plate was located gear below position, the gear upside all meshes there is first ring gear, the gear downside all meshes there is the second ring gear, one side fixedly connected with first solid fixed ring of first slide rail of corresponding position is close to first ring gear, one side fixedly connected with second solid fixed ring of second ring gear is close to corresponding position second slide rail.
Further, the hanger plate trailing flank is close to upper end central point put fixedly connected with second motor, the output shaft of second motor runs through the hanger plate and fixedly connected with lead screw, the front end of lead screw is rotated with the vertical part of hanger plate front side and is connected, symmetrical fixedly connected with guide bar between the vertical part of hanger plate of lead screw left and right sides, screw drive is connected with the slip table on the lead screw, slip table left and right sides slip cap is established on the guide bar.
Further, the electric push rod is fixedly connected to the center of the lower end face of the sliding table, the telescopic end of the electric push rod is fixedly connected with the center of the upper end face of the cover plate, and the center of the front side face of the base is fixedly connected with the shaft bracket.
Further, a second carrier plate is arranged on the right side of the support plate on the right side, second sliding blocks of T-shaped structures are symmetrically and fixedly connected to the front and back of the left side of the second carrier plate, second sliding grooves matched with the second sliding blocks are formed in the right side of the support plate on the right side, a second hydraulic push rod is fixedly connected to the upper end face of a base below the second carrier plate, and the telescopic end of the second hydraulic push rod is fixedly connected with the lower end face of the second carrier plate;
the fixed frame is arranged at the center of the upper end face of the second carrier plate, limiting strips are symmetrically and fixedly connected to the front and back of the lower end face of the fixed frame, limiting grooves matched with the limiting strips are formed in the upper end face of the second carrier plate, an air cylinder is fixedly connected to the right side of the upper end face of the second carrier plate, and the telescopic end of the air cylinder is fixedly connected with the fixed frame.
Further, the upper end face of the fixed frame is fixedly connected with a frame plate, the upper end face of the frame plate is close to the right side and is fixedly connected with a first double-shaft motor, the end part of the left output shaft of the first double-shaft motor is fixedly connected with a drill bit, the annular outer side face of the drill bit is rotationally sleeved with a sleeve, and the lower side of the sleeve is fixedly connected with the upper end face of the frame plate;
the socket of annular structure has been seted up to the sleeve left surface, sliding connection has a cartridge in the socket, the right side output shaft end fixedly connected with impeller of biax motor, the outside cover of impeller is equipped with the spiral case, and spiral case left surface and frame plate right side fixed connection.
Further, a hopper is arranged below the volute, a plug rod is fixedly connected to the left side face of the hopper close to four corners, and a jack matched with the plug rod is formed in the right side plate of the fixed frame.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the scheme, the main shaft can be automatically fed and discharged through the matching of the sliding table and the pressing plate, the testing efficiency is improved, the support of the V-shaped structure prevents the main shaft from shifting, and the pressing block is arranged to prevent the main shaft from shaking to influence the testing result.
2. According to the scheme, the main shaft is driven to rotate through the driving mechanism, and the position of the first belt wheel is adjustable, so that the main shaft with different diameters can be adapted, the testing range is improved, the main shaft is driven to rotate through a belt transmission mode, and the later maintenance cost is saved.
3. This scheme shields through the piece that sets up the sleeve and produce in the drill bit outside, and the cooperation impeller absorbs the piece again, has made things convenient for the collection of piece when avoiding piece everywhere to splash.
Drawings
FIG. 1 is a front perspective view of the overall structure of the present invention;
FIG. 2 is a left side perspective view of the overall structure of the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention;
FIG. 4 is an enlarged schematic view of the invention at A in FIG. 1;
FIG. 5 is a schematic illustration in semi-section of FIG. 4 of the present invention;
FIG. 6 is an exploded view of the first and second toothed rings and the platen of the present invention;
FIG. 7 is an exploded view of a fixed frame position according to the present invention;
fig. 8 is a schematic view of the positions of the first pulley and the second pulley of the present invention.
The reference numerals in the figures illustrate:
1. a base; 11. a support plate; 12. a bracket; 13. a pressing plate; 14. briquetting; 15. a shaft bracket; 16. a control panel; 2. a first carrier plate; 21. a first chute; 22. a first slider; 23. a fixing plate; 24. a second pulley; 25. a first motor; 26. a first pulley; 27. a first hydraulic pushrod; 3. a second carrier plate; 31. a second chute; 32. a second slider; 33. a second hydraulic pushrod; 34. a fixed frame; 35. a limit bar; 36. a limit groove; 37. a cylinder; 4. a frame plate; 41. a first biaxial motor; 42. a drill bit; 43. a sleeve; 44. a plug cylinder; 45. an impeller; 46. a volute; 47. a suction pipe; 48. a slot; 5. a hopper; 51. a rod; 52. a jack; 6. a second double-shaft motor; 61. a drive shaft; 62. a gear; 63. a first toothed ring; 64. a second toothed ring; 65. a first slide rail; 66. a second slide rail; 67. a first fixing ring; 68. a second fixing ring; 7. a hanger plate; 71. a screw rod; 72. a guide rod; 73. a sliding table; 74. an electric push rod; 75. a cover plate; 76. and a second motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Example 1:
referring to fig. 1 to 8, a dynamic balance testing device includes a base 1, wherein two support plates 11 are symmetrically and laterally connected to an upper end surface of the base 1 near a center position, a bracket 12 is fixedly connected to a center position of the upper end surface of the support plates 11, and a control panel 16 is fixedly connected to a left side of the upper end surface of the base 1; the center of the rear side surface of the base 1 is fixedly connected with a hanging plate 7, a cover plate 75 is hung on the hanging plate 7, the lower end surface of the cover plate 75 is fixedly connected with a pressing plate 13 with a U-shaped structure, the left side and the right side of the lower end surface of the pressing plate 13 are symmetrically and fixedly connected with pressing blocks 14, and the left side of the support plate 11 is provided with a driving mechanism;
the driving mechanism comprises a first belt wheel 26 and a second belt wheel 24 which are distributed in an inverted isosceles triangle structure, the first belt wheel 26 and the second belt wheel 24 are connected through belt transmission, a first carrier plate 2 is arranged below the first belt wheel 26, the upper end surface of the first carrier plate 2 is fixedly connected with a first motor 25, and the end part of an output shaft of the first motor 25 is fixedly connected with the first belt wheel 26;
the left side the symmetry fixedly connected with fixed plate 23 of the left and right sides of extension board 11 up end, fixed plate 23 left surface all rotates through the pivot and is connected with second band pulley 24, first band pulley 26 is located under the position between two second band pulleys 24, the front and back symmetry fixedly connected with two T-shaped structure's of first carrier plate 2 right side first slider 22, the left side the first spout 21 with first slider 22 matching has been seted up to the extension board 11 left surface, the first hydraulic push rod 27 of base 1 up end fixedly connected with of first carrier plate 2 below, and the flexible end of first hydraulic push rod 27 and the terminal surface fixed connection under the first carrier plate 2.
Through adopting above-mentioned technical scheme, hoist and mount the main shaft to the support 12 of two extension boards 11 up end, the support 12 up end is V-arrangement structure, can guarantee that the main shaft can not take place the skew at rotatory in-process, cooperation clamp plate 13 and briquetting 14 compress tightly the main shaft again, guarantee that the main shaft can stable rotation, and the terminal surface is convex structure under the briquetting 14, can guarantee that briquetting 14 can adapt to the main shaft of different diameters, the belt between first band pulley 26 and the second band pulley 24 is in the relaxation state before the main shaft is not placed on support 12, after the main shaft is fixed, start first hydraulic push rod 27 and drive first carrier plate 2 and move down, first slider 22 is in first spout 21 vertical slip, thereby drive first motor 25 and move down, and then take place the belt taut, make belt upper end central point of belt put in contact closely with main shaft lower side, then start first band pulley 26 rotation, thereby drive second band pulley 24 rotation, and then drive the belt rotation, the main shaft also takes place rotatoryly under the drive, because first spout 21 and first slider 22 phase match, can improve the stability of first carrier plate 2, be equipped with two inside the vibration sensor and vibration balance value is gone out in the vibration balance value is passed through to the vibration of rotation of support 16 in-phase, vibration value is calculated to the vibration balance, vibration value is calculated and is obtained to the vibration value is balanced in the vibration value is carried out to the vibration in the vibration process through the vibration, vibration value is measured and is balanced.
As shown in fig. 1, 2, 3 and 6, a second dual-shaft motor 6 is fixedly connected to the central position of the upper end surface of the pressing plate 13, the output shaft ends of the left and right sides of the second dual-shaft motor 6 are fixedly connected with driving shafts 61, and the ends of the driving shafts 61, which are far away from each other, respectively penetrate through the left and right side plates of the pressing plate 13 and are fixedly connected with gears 62;
a first sliding rail 65 is arranged at the upper position of the gear 62 on the side, away from each other, of the left side plate and the right side plate of the pressing plate 13, a second sliding rail 66 is arranged at the lower position of the gear 62 on the side, away from each other, of the left side plate and the right side plate of the pressing plate 13, first toothed rings 63 are meshed with the upper side of the gear 62, second toothed rings 64 are meshed with the lower side of the gear 62, a first fixed ring 67 is fixedly connected to one side, close to the corresponding position, of the first sliding rail 65, and a second fixed ring 68 is fixedly connected to one side, close to the corresponding position, of the second toothed rings 64;
the rear side surface of the hanging plate 7 is fixedly connected with a second motor 76 near the center of the upper end, an output shaft of the second motor 76 penetrates through the hanging plate 7 and is fixedly connected with a screw rod 71, the front end of the screw rod 71 is rotationally connected with the vertical part of the front side of the hanging plate 7, guide rods 72 are symmetrically and fixedly connected between the vertical parts of the hanging plate 7 on the left side and the right side of the screw rod 71, a sliding table 73 is spirally connected on the screw rod 71, and the left side and the right side of the sliding table 73 are sleeved on the guide rods 72 in a sliding mode;
the center of the lower end face of the sliding table 73 is fixedly connected with an electric push rod 74, the telescopic end of the electric push rod 74 is fixedly connected with the center of the upper end face of the cover plate 75, and the center of the front side face of the base 1 is fixedly connected with a shaft bracket 15.
By adopting the technical scheme, initially, the spindle to be tested is stacked on the shaft bracket 15, the second motor 76 is started to drive the screw rod 71 to rotate positively, the sliding table 73 slides to be right above the spindle to be tested along the screw rod 71 under the limit action of the guide rod 72 due to the spiral transmission connection of the sliding table 73 and the screw rod 71, then the electric push rod 74 is started to push the cover plate 75 downwards so as to push the pressing plate 13 to the upper end face of the spindle to be tested, then the second double-shaft motor 6 is started to drive the two gears 62 to rotate anticlockwise simultaneously so as to drive the two first toothed rings 63 to rotate anticlockwise, the two second toothed rings 64 rotate clockwise, the radius of the second toothed rings 64 is larger than that of the spindle to be tested, the distance between the circle center of the second toothed rings 64 and the circle center of the first toothed rings 63 on the same side is just the radius of the second toothed rings 64, when the left end of the second toothed rings 64 rotates to the lower side of the gears 62 and the right end of the first toothed rings 63 rotates to the upper side of the gears 62, the right end of the second toothed ring 64 is just contacted with the left end of the first toothed ring 63, at this time, the first toothed ring 63 and the second toothed ring 64 on the same side just encircle the main shaft to be tested, the cross sections of the first fixing ring 67 and the second fixing ring 68 are in T-shaped structures, the first sliding rail 65 is matched with the first fixing ring 67, the second sliding rail 66 is matched with the second fixing ring 68, so that the first fixing ring 67 can provide bearing capacity for the first toothed ring 63, the second fixing ring 68 can provide bearing capacity for the second toothed ring 64, the cooperation of the first toothed ring 63 and the second toothed ring 64 can ensure that the main shaft can be lifted, after the first toothed ring 63 and the second toothed ring 64 encircle, the electric push rod 74 is started again to pull the pressing plate 13 to lift the main shaft to be tested, the main shaft to be tested is driven to lift away from the shaft bracket 15, the second motor 76 is started again to drive the screw rod 71 to rotate reversely, the sliding table 73 is driven to move to the upper part of the base 1, the main shaft to be tested moves to the position right above the two support plates 11, finally, the electric push rod 74 is started to push the pressing plate 13 downwards to place the main shaft to be tested on the two support frames 12 and press the main shaft and the support frames 12 by matching with the pressing block 14, finally, the second double-shaft motor 6 is started again to drive the two gears 62 to rotate clockwise so as to drive the first toothed ring 63 and the second toothed ring 64 to reset, after the main shaft to be tested is finished, the second double-shaft motor 6 is started again to drive the two gears 62 to rotate anticlockwise so as to drive the first toothed ring 63 and the second toothed ring 64 on the left side and the right side to encircle the main shaft to be tested, the electric push rod 74 is started again to drive the screw rod 71 to rotate forwards to drive the main shaft to the position of the shaft frame 15 by the second motor 76, the electric push rod 74 is started to drive the main shaft to the position of the shaft frame 15, then the second double-shaft motor 6 is started to drive the two gears 62 to rotate clockwise so as to drive the first toothed ring 63 and the second toothed ring 64 to reset, then the second motor 76 is started to drive the pressing plate 13 to rotate forwards or reversely, and then the pressing plate 13 is conveyed to the position of the main shaft to be tested is not influenced by the repeated rotation, the main shaft to be tested is convenient, the vibration accuracy is prevented from being influenced in the process of testing, and the main shaft is not easy to be tested to be convenient.
As shown in fig. 1, fig. 2, fig. 4, fig. 5 and fig. 7, a second carrier plate 3 is arranged on the right side of the support plate 11 on the right side, a second sliding block 32 with a T-shaped structure is symmetrically and fixedly connected with the front and back of the left side of the second carrier plate 3, a second sliding groove 31 matched with the second sliding block 32 is formed on the right side surface of the support plate 11 on the right side, a second hydraulic push rod 33 is fixedly connected with the upper end surface of the base 1 below the second carrier plate 3, and the telescopic end of the second hydraulic push rod 33 is fixedly connected with the lower end surface of the second carrier plate 3;
the center of the upper end surface of the second carrier plate 3 is provided with a fixed frame 34, the front and back of the lower end surface of the fixed frame 34 are symmetrically and fixedly connected with a limit bar 35, the upper end surface of the second carrier plate 3 is provided with a limit groove 36 matched with the limit bar 35, the right side of the upper end surface of the second carrier plate 3 is fixedly connected with an air cylinder 37, and the telescopic end of the air cylinder 37 is fixedly connected with the fixed frame 34;
the upper end face of the fixed frame 34 is fixedly connected with a frame plate 4, the upper end face of the frame plate 4 is close to the right side and is fixedly connected with a first double-shaft motor 41, the end part of the left output shaft of the first double-shaft motor 41 is fixedly connected with a drill bit 42, the annular outer side face of the drill bit 42 is rotationally sleeved with a sleeve 43, and the lower side of the sleeve 43 is fixedly connected with the upper end face of the frame plate 4;
the left side surface of the sleeve 43 is provided with a slot 48 with a circular ring structure, the slot 48 is connected with a plug tube 44 in a sliding way, the end part of the right output shaft of the double-shaft motor is fixedly connected with an impeller 45, the outer side of the impeller 45 is sleeved with a volute 46, the left side surface of the volute 46 is fixedly connected with the right side surface of the frame plate 4, and the right side surface of the sleeve 43 is communicated with the center position of the right side surface of the volute 46 through a suction tube 47;
the hopper 5 is arranged below the volute 46, the inserting rods 51 are fixedly connected to the left side face of the hopper 5 close to four corners, and insertion holes 52 matched with the inserting rods 51 are formed in the right side plate of the fixed frame 34.
By adopting the technical scheme, after the dynamic balance test of the main shaft is finished, the control panel 16 calculates the dynamic balance correction amount, the first motor 25 is started again to drive the belt to rotate, the unbalanced position of the main shaft is rotated to be right below, then the second hydraulic push rod 33 is started to drive the second carrier plate 3 to ascend, the stability of the second carrier plate 3 is ensured due to the matching of the second sliding groove 31 and the second sliding block 32, the drill bit 42 is further driven to ascend, so that the drill bit 42 and the unbalanced position of the main shaft are in a flush state, then the air cylinder 37 is started to push the fixed frame 34 leftwards to enable the left side of the insertion cylinder 44 to be in contact with the annular surface on the right side of the main shaft, then the first double-shaft motor 41 is started to drive the drill bit 42 and the impeller 45 to rotate simultaneously, then the air cylinder 37 is started again to slowly push the fixed frame 34 leftwards, so that the drill bit 42 is driven to move leftwards to drill holes, the limit bar 35 on the lower end surface of the fixed frame 34 always slides in the limit groove 36, thereby ensuring the stability of the fixed frame 34 and the stability of the drill bit 42, removing the excessive unbalance amount on the main shaft by drilling to ensure that the main shaft achieves dynamic balance, the inserting cylinder 44 is elastically connected with the inserting groove 48 in the sleeve 43 through a spring, so that the inserting cylinder 44 always keeps close contact with the main shaft in the leftward moving process of the drill bit 42, the fragments drilled by the drill bit 42 are prevented from splashing everywhere, the impeller 45 generates suction force in the rotating process, the fragments in the sleeve 43 are sucked into the volute 46 through the suction pipe 47, the fragments entering the volute 46 are thrown onto the inner wall of the volute 46 under the action of the centrifugal force generated by the impeller 45, then slide into the hopper 5 through the outlet at the lower end of the volute 46, thereby facilitating the collection of the fragments, the left side surface of the hopper 5 is inserted into the inserting hole 52 of the right side plate of the fixed frame 34 through four inserting rods 51, thereby facilitating the later extraction of the hopper 5 for cleaning the collected debris.
The using method comprises the following steps: at first, the second motor 76 is started to drive the screw rod 71 to rotate positively, the sliding table 73 slides along the screw rod 71 to be right above the main shaft to be tested, then the electric push rod 74 is started to push the cover plate 75 downwards, so as to push the pressing plate 13 to the upper end face of the main shaft to be tested, then the second double-shaft motor 6 is started to drive the two gears 62 to rotate anticlockwise simultaneously, so as to drive the two first toothed rings 63 to rotate anticlockwise, the two second toothed rings 64 rotate clockwise, after the main shaft to be tested is surrounded by the first toothed rings 63 and the second toothed rings 64, the electric push rod 74 is started again to pull the pressing plate 13 to rise, so as to drive the main shaft to be tested to rise away from the shaft bracket 15, the second motor 76 is started again to drive the screw rod 71 to rotate reversely, so that the main shaft to be tested moves to be right above the two support plates 11, finally the electric push rod 74 is started to push the pressing plate 13 downwards, so as to place the main shaft to be tested on the two supports 12 and press the main shaft to the supports 12 together with the pressing blocks 14, the second double-shaft motor 6 is started again to drive the two gears 62 to rotate clockwise so as to drive the first toothed ring 63 and the second toothed ring 64 to reset, then the first motor 25 is started to drive the first belt pulley 26 to rotate so as to drive the second belt pulley 24 to rotate so as to drive the belt to rotate, the main shaft is driven to rotate under the drive of the belt, the vibration value of the main shaft in the rotating process is detected by the vibration sensor, the vibration value is transmitted to the control panel 16, whether the main shaft is in dynamic balance or not is obtained by analyzing the vibration value, the dynamic balance correction amount is calculated by the control panel 16 after the dynamic balance test of the main shaft is finished, the second hydraulic push rod 33 is started to drive the second carrier plate 3 to ascend so that the drill bit 42 and the unbalanced position of the main shaft are in a flush state, then the cylinder 37 is started to push the fixed frame 34 leftwards to enable the left side of the insertion barrel 44 to be in contact with the annular surface on the right side of the main shaft, then the first double-shaft motor 41 is started to drive the drill bit 42 and the impeller 45 to rotate simultaneously, then the cylinder 37 is started again to push the fixed frame 34 leftwards slowly, so that the drill bit 42 is driven to move leftwards to drill holes, the excessive unbalance amount on the main shaft is removed in a drilling mode to enable the main shaft to achieve dynamic balance, the impeller 45 generates suction force in the rotating process, and therefore chips in the sleeve 43 are sucked into the volute 46 through the suction pipe 47, and the collection of the chips is facilitated.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (2)
1. The utility model provides a dynamic balance testing arrangement, includes base (1), its characterized in that: two support plates (11) are symmetrically and fixedly connected left and right on the upper end face of the base (1) close to the central position, supports (12) are fixedly connected to the central position of the upper end face of each support plate (11), and a control panel (16) is fixedly connected to the left side of the upper end face of the base (1); the novel lifting device is characterized in that a lifting plate (7) is fixedly connected to the center of the rear side surface of the base (1), a cover plate (75) is hung on the lifting plate (7), a pressing plate (13) with a U-shaped structure is fixedly connected to the lower end surface of the cover plate (75), pressing blocks (14) are symmetrically and fixedly connected to the left side and the right side of the lower end surface of the pressing plate (13), and a driving mechanism is arranged on the left side of the supporting plate (11);
the driving mechanism comprises a first belt wheel (26) and a second belt wheel (24) which are distributed in an inverted isosceles triangle structure, wherein the first belt wheel (26) and the second belt wheel (24) are in transmission connection through a belt, a first carrier plate (2) is arranged below the first belt wheel (26), a first motor (25) is fixedly connected to the upper end face of the first carrier plate (2), and the end part of an output shaft of the first motor (25) is fixedly connected with the first belt wheel (26);
vibration sensors are arranged in the two brackets (12), vibration values generated in the rotating process of the main shaft are detected through the vibration sensors, the vibration values are transmitted to the control panel (16), whether the main shaft is in dynamic balance or not is obtained through analysis of the vibration values, and a dynamic balance correction amount is calculated;
the left side of the support plate (11) is symmetrically and fixedly connected with a fixing plate (23), the left side surface of the fixing plate (23) is rotationally connected with second belt wheels (24) through a rotating shaft, and the first belt wheels (26) are positioned under the position between the two second belt wheels (24);
the right side surface of the first carrier plate (2) is fixedly connected with two first sliding blocks (22) with T-shaped structures in a front-back symmetrical mode, a first sliding groove (21) matched with the first sliding blocks (22) is formed in the left side surface of the support plate (11) on the left side, a first hydraulic push rod (27) is fixedly connected with the upper end surface of the base (1) below the first carrier plate (2), and the telescopic end of the first hydraulic push rod (27) is fixedly connected with the lower end surface of the first carrier plate (2);
the center of the upper end surface of the pressing plate (13) is fixedly connected with a second double-shaft motor (6), the end parts of output shafts on the left side and the right side of the second double-shaft motor (6) are fixedly connected with driving shafts (61), and one ends, far away from each other, of the driving shafts (61) respectively penetrate through the left side plate and the right side plate of the pressing plate (13) and are fixedly connected with gears (62);
a first sliding rail (65) is arranged at the upper position of the gear (62) on one side, far away from each other, of the left side plate and the right side plate of the pressing plate (13), a second sliding rail (66) is arranged at the lower position of the gear (62) on one side, far away from each other, of the left side plate and the right side plate of the pressing plate (13), first toothed rings (63) are meshed on the upper side of the gear (62), second toothed rings (64) are meshed on the lower side of the gear (62), a first fixed ring (67) is fixedly connected to one side, close to the corresponding position, of the first sliding rail (65), and a second fixed ring (68) is fixedly connected to one side, close to the corresponding position, of the second sliding rail (66);
the rear side of the hanging plate (7) is fixedly connected with a second motor (76) near the center of the upper end, an output shaft of the second motor (76) penetrates through the hanging plate (7) and is fixedly connected with a screw rod (71), the front end of the screw rod (71) is rotationally connected with the front vertical part of the hanging plate (7), guide rods (72) are symmetrically and fixedly connected between the vertical parts of the hanging plate (7) on the left side and the right side of the screw rod (71), a sliding table (73) is connected to the screw rod (71) in a spiral transmission mode, and the left side and the right side of the sliding table (73) are sleeved on the guide rods (72) in a sliding mode;
an electric push rod (74) is fixedly connected to the center position of the lower end face of the sliding table (73), the telescopic end of the electric push rod (74) is fixedly connected with the center position of the upper end face of the cover plate (75), and a shaft bracket (15) is fixedly connected to the center position of the front side face of the base (1);
the right side of the support plate (11) on the right side is provided with a second support plate (3), the front and back of the left side of the second support plate (3) are symmetrically and fixedly connected with second sliding blocks (32) of a T-shaped structure, the right side of the support plate (11) on the right side is provided with second sliding grooves (31) matched with the second sliding blocks (32), the upper end face of the base (1) below the second support plate (3) is fixedly connected with a second hydraulic push rod (33), and the telescopic end of the second hydraulic push rod (33) is fixedly connected with the lower end face of the second support plate (3);
the center of the upper end face of the second carrier plate (3) is provided with a fixed frame (34), limit strips (35) are symmetrically and fixedly connected to the front and back of the lower end face of the fixed frame (34), limit grooves (36) matched with the limit strips (35) are formed in the upper end face of the second carrier plate (3), an air cylinder (37) is fixedly connected to the right side of the upper end face of the second carrier plate (3), and the telescopic end of the air cylinder (37) is fixedly connected with the fixed frame (34);
the device is characterized in that a frame plate (4) is fixedly connected to the upper end face of the fixed frame (34), a first double-shaft motor (41) is fixedly connected to the upper end face of the frame plate (4) close to the right side, a drill bit (42) is fixedly connected to the end part of the left output shaft of the first double-shaft motor (41), a sleeve (43) is sleeved on the annular outer side face of the drill bit (42) in a rotating mode, and the lower side of the sleeve (43) is fixedly connected with the upper end face of the frame plate (4);
the left side surface of the sleeve (43) is provided with a slot (48) with a circular structure, the slot (48) is connected with a plug tube (44) in a sliding manner, the end part of the right output shaft of the double-shaft motor is fixedly connected with an impeller (45), the outer side of the impeller (45) is sleeved with a volute (46), the left side surface of the volute (46) is fixedly connected with the right side surface of the frame plate (4), and the right side surface of the sleeve (43) is communicated with the center position of the right side surface of the volute (46) through a suction tube (47);
the radius of the second toothed ring (64) is larger than that of the main shaft to be measured, and the distance between the circle center of the second toothed ring (64) and the circle center of the first toothed ring (63) on the same side is just the radius of the second toothed ring (64).
2. The dynamic balance testing device according to claim 1, wherein: the utility model discloses a spiral case, including spiral case (46), fixed frame (34) right side board, spiral case (46) below is equipped with hopper (5), hopper (5) left surface is close to four corners position fixedly connected with inserted bar (51), jack (52) with inserted bar (51) matching are seted up to fixed frame (34).
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| CN202311385910.1A CN117129145B (en) | 2023-10-25 | 2023-10-25 | Dynamic balance testing device |
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