CN117516799B - Balance detection assembly of planetary reducer of crane and working method - Google Patents
Balance detection assembly of planetary reducer of crane and working method Download PDFInfo
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- CN117516799B CN117516799B CN202410023441.7A CN202410023441A CN117516799B CN 117516799 B CN117516799 B CN 117516799B CN 202410023441 A CN202410023441 A CN 202410023441A CN 117516799 B CN117516799 B CN 117516799B
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- 238000001514 detection method Methods 0.000 title claims abstract description 125
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 155
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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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- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of balance detection, in particular to a balance detection assembly of a planetary reducer of a crane and a working method, wherein the balance detection assembly comprises a first rack and two second racks positioned on two sides of the first rack, and a jacking mechanism for jacking the planetary reducer is arranged in the middle of the first rack; the fixing mechanism is connected with the detection mechanism in a plugging mode, coaxial installation of the planetary reducer, the fixing mechanism and the detection mechanism is achieved, the clamping part of the fixing mechanism and the detection part of the detection mechanism slide synchronously, the planetary reducer is further guaranteed to be located in the detection mechanism in the middle, a plurality of first vibration sensors are distributed on the outer sides of a shell and an output shaft of the planetary reducer at equal angles, the second vibration sensors are located at the end portions of the output shaft, the shell and the output shaft of the planetary reducer are monitored in an omnibearing mode, multidirectional balance detection of the shell and the output shaft of the planetary reducer is achieved, and detection data are guaranteed to be accurate.
Description
Technical Field
The invention relates to the technical field of balance detection, in particular to a balance detection assembly of a planetary reducer of a crane and a working method.
Background
The planetary reducer is an industrial product with wide application, can reduce the rotating speed of a motor and increase output torque, and can be used as a matching component for a crane.
In the working process of the planetary reducer, the balance of the planetary reducer is detected by detecting the vibration condition of the planetary reducer, and in the detection process, the installation limit of the planetary reducer is required, wherein the transmission performance detection system of the planetary reducer with the patent application number of CN116878864A and the clamping limit structure in the detection method of the transmission performance detection system of the planetary reducer cannot meet the planetary reducer with different specifications; and when arranging vibration sensor, can't realize carrying out vibration sensor's surrounding type distribution to planetary reducer's casing and output shaft, and then lead to the vibration data singleness of collection, and when arranging, need carry out continuous manual adjustment to vibration sensor's position, detection efficiency is low.
Disclosure of Invention
The invention solves the problem of providing a balance detection assembly of a planetary reducer of a crane and a working method thereof, which solve the problems that in the working process of the planetary reducer, the balance of the planetary reducer is detected by detecting the vibration condition of the planetary reducer, and in the detection process, the installation limit of the planetary reducer is required to be realized, wherein a transmission performance detection system of the planetary reducer with the patent application number of CN116878864A and a clamping limit structure in the detection method thereof cannot meet the planetary reducer with different specifications; and when arranging vibration sensor, can't realize carrying out vibration sensor's surrounding type distribution to planetary reducer's casing and output shaft, and then lead to the vibration data singleness of collection, and when arranging, need carry out continuous manual adjustment to vibration sensor's position, the low technical problem of detection efficiency.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the balance detection assembly of the planetary reducer of the crane comprises a first rack and two second racks positioned on two sides of the first rack, wherein a jacking mechanism for jacking the planetary reducer is arranged in the middle of the first rack, a first fixing mechanism and a second fixing mechanism are respectively and slidably arranged at two ends of the first rack, the first fixing mechanism is used for fixing the planetary reducer, and the second fixing mechanism is used for limiting an output shaft of the planetary reducer;
the two second racks are respectively provided with a first detection mechanism and a second detection mechanism in a sliding manner, wherein the first detection mechanism is used for balance detection of the planetary reducer casing, and the second detection mechanism is used for balance detection of the planetary reducer output shaft;
the first fixing mechanism and the first detection mechanism are detachably arranged, and the second fixing mechanism and the second detection mechanism are detachably arranged.
Preferably, the climbing mechanism comprises a first pneumatic cylinder arranged at the bottom side of a first bench, a lifting adjusting seat is arranged at the telescopic end of the first pneumatic cylinder penetrating through the first bench, a motor is arranged at the end part of the lifting adjusting seat, a threaded rod with opposite screw threads at two ends is arranged at the output end of the motor and in the lifting adjusting seat, limiting blocks are respectively arranged at two ends of the threaded rod in a threaded manner, an inclined plane is arranged on the limiting blocks, and the inclined plane is tangent with the outer wall of the planetary reducer.
Preferably, the first fixing mechanism and the second fixing mechanism comprise sliding plates, the sliding plates are slidably mounted on the first sliding rails on the first bench, and first bolts penetrate through threads on the sliding plates.
Preferably, the fixed ring seat is installed to slide top side, and the equiangular beginning has a plurality of guide slot on the fixed ring seat, and has all run through in every guide slot and seted up the straight line groove, slidable mounting has the slider in the guide slot, the slider tip of first fixed establishment sets up to the arc location end, the slider tip of second fixed establishment is provided with the support arm, and installs the spacing wheel on the support arm.
Preferably, the swivel is rotatably mounted on the outer side wall bearing of the fixed ring seat, a plurality of arc-shaped grooves corresponding to the linear grooves are formed in the swivel at equal angles, and guide posts penetrating through the linear grooves and the arc-shaped grooves are mounted on the sliding blocks.
Preferably, the sliding plate is provided with a supporting seat, the supporting seat is rotatably provided with a rotary seat through an installation shaft, the rotary seat is fixedly provided with a second pneumatic cylinder, the end part of a piston rod of the second pneumatic cylinder is provided with a shaft seat, and the shaft seat is rotatably connected with an ear arm at the outer side of the rotary ring through an insertion shaft.
Preferably, the first detection mechanism and the second detection mechanism each comprise a first linear module arranged on the second rack, a sliding seat is slidably arranged on the first linear module, a second linear module is vertically arranged on the top side of the sliding seat, sliding arms are slidably arranged on the second linear modules, a detection ring is arranged between the two sliding arms positioned at the same end of the two second racks, a first polygonal shaft is arranged on the detection ring, and the first polygonal shaft is connected with a first connecting shaft on the fixed ring seat in a plugging manner.
Preferably, the detection ring is provided with a plurality of second guide rails towards the fixed ring seat side at equal angles, the second guide rails are provided with mounting blocks in a sliding mode, the side walls of the mounting blocks are provided with second bolts in a threaded mode, the mounting blocks are provided with first vibration sensors, the mounting blocks are provided with second polygonal shafts, the second polygonal shafts are connected with second connecting shafts on the sliding blocks in an inserting mode, the outer sides of the detection rings of the second detection mechanisms are provided with U-shaped arms, and the second vibration sensors are installed on the U-shaped arms in a threaded penetrating mode.
A working method of a balance detection assembly of a planetary reducer of a crane comprises the following specific operation steps:
step one: the motor works to drive the threaded rod to rotate, the distance between the two limiting blocks is adjusted, the planetary reducer is placed on the two limiting blocks, and the lifting adjusting seat is driven to lift through the working of the first pneumatic cylinder to adjust the height;
step two: the detection mechanism is adjusted to be in height fit with the fixing mechanism through the sliding arm to lift along the second linear module, the first connecting shaft and the second connecting shaft of the first fixing mechanism are connected with the first polygonal shaft and the second polygonal shaft of the first detection mechanism in an inserting way, the first bolt is unscrewed, the detection mechanism slides along the first linear module until the first fixing mechanism and the first detection mechanism are sleeved outside the planetary reducer shell, the second fixing mechanism and the second detection mechanism are sleeved outside the planetary reducer output shaft, the second bolt is unscrewed, the second pneumatic cylinder drives the shaft seat to move, the rotating ring is driven to rotate through the ear arm to drive the guide post in the arc-shaped groove of the rotating ring to move, the guide post drives the slide block to move along the guide groove, the arc-shaped positioning end of the slide block of the first fixing mechanism is contacted with the outer wall of the planetary reducer shell, centering and clamping fixation of the planetary reducer shell is further realized, and the limiting wheel arranged on the slide block of the second fixing mechanism is contacted with the outer wall of the planetary reducer output shaft, so that centering and clamping of the planetary reducer output shaft is realized;
step three: along with the movement of the sliding block, the mounting block moves along the second guide rail at the moment, the position of the first vibration sensor is adjusted, the first vibration sensor of the first detection mechanism is distributed on the outer side of the planetary reducer shell, the first vibration sensor of the second detection mechanism is distributed on the outer side of the planetary reducer output shaft, the second bolt is screwed down, the first detection mechanism and the second detection mechanism are moved to realize the separation of the fixing mechanism and the detection mechanism, the first vibration sensor of the first detection mechanism is used for detecting the vibration condition of the planetary reducer shell during operation, the second vibration sensor on the rotary U-shaped arm is in contact with the end part of the planetary reducer output end, and the first vibration sensor and the second vibration sensor of the second detection mechanism are used for detecting the vibration condition of the planetary reducer output shaft during operation at the moment, so that balance detection of the planetary reducer is realized.
The beneficial effects of the invention are as follows: preliminary limiting is carried out on the planetary reducer through the jacking mechanism, limiting fixation of planetary reducer shells with different specifications is realized through the first fixing mechanism, limiting fixation of planetary reducer output shafts with different specifications is realized through the second fixing mechanism, quick and convenient installation of the planetary reducer is realized, and centering clamping limiting of the planetary reducer is ensured;
the fixed establishment and detection mechanism connect plug-in connection, realized planetary reducer, fixed establishment and detection mechanism's coaxial heart installation, fixed establishment's clamping position and detection mechanism detection position synchronous slip, and then guaranteed that planetary reducer is located detection mechanism in the middle, accomplish vibration sensor's arrangement when realizing the clamping simultaneously, a plurality of first vibration sensor equiangular distributions are in planetary reducer's casing and the outside of output shaft simultaneously, and the second vibration sensor is located output shaft tip, carry out the omnidirectional monitoring to planetary reducer's casing and output shaft, realize the diversified balanced detection to planetary reducer's casing and output shaft, and guarantee that detection data is accurate.
Drawings
FIG. 1 is a first overall structural schematic of the present invention;
FIG. 2 is a schematic diagram of the overall second structure of the present invention;
FIG. 3 is a schematic view of the third structure of the whole of the present invention;
FIG. 4 is a fourth overall schematic of the present invention;
FIG. 5 is a schematic view of the fifth overall structure of the present invention;
fig. 6 is an enlarged view of a portion of the area a of fig. 5 in accordance with the present invention.
Legend description:
1. a first stage; 2. a second stage; 3. a jacking mechanism; 4. a first fixing mechanism; 5. a second fixing mechanism; 6. a first detection mechanism; 7. a second detection mechanism; 8. a first pneumatic cylinder; 9. a lifting adjusting seat; 10. a motor; 11. a threaded rod; 12. a limiting block; 13. a first slide rail; 14. a slide plate; 15. a fixed ring seat; 16. a guide groove; 17. a slide block; 18. an arc-shaped positioning end; 19. a support arm; 20. a limiting wheel; 21. a linear groove; 22. a swivel; 23. an arc-shaped groove; 24. a guide post; 25. a first bolt; 26. an ear arm; 27. a support base; 28. rotating base; 29. a second pneumatic cylinder; 30. a shaft seat; 31. a first linear module; 32. a slide; 33. a second linear module; 34. a slide arm; 35. a detection ring; 36. a second guide rail; 37. a mounting block; 38. a first vibration sensor; 39. a first connecting shaft; 40. a first polygonal shaft; 41. a second connecting shaft; 42. a second polygonal shaft; 43. a U-shaped arm; 44. a second vibration sensor; 45. and a second bolt.
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.
Specific examples are given below.
Referring to fig. 1-6, a balance detection assembly of a planetary reducer of a crane comprises a first rack 1 and two second racks 2 positioned at two sides of the first rack 1, wherein a jacking mechanism 3 for jacking the planetary reducer is installed in the middle of the first rack 1, the jacking mechanism 3 comprises a first pneumatic cylinder 8 installed at the bottom side of the first rack 1, a lifting adjusting seat 9 is installed at the telescopic end of the first pneumatic cylinder 8, a motor 10 is installed at the end part of the lifting adjusting seat 9, a threaded rod 11 with opposite thread directions at two ends is installed at the output end of the motor 10 and positioned in the lifting adjusting seat 9, limiting blocks 12 are respectively installed at two ends of the threaded rod 11 in a threaded manner, inclined planes are formed on the limiting blocks 12, the inclined planes are tangent to the outer wall of the planetary reducer, the motor 10 works to drive the threaded rod 11 to rotate, the distance between the two limiting blocks 12 is adjusted, the planetary reducer is placed on the two limiting blocks 12, the lifting adjusting seat 9 is driven to lift by the working of the first pneumatic cylinder 8, the height adjusting and fixing mechanism is matched with the planetary reducer, and the planetary reducer is separated from the planetary reducer 9 after the planetary reducer is lifted by the primary fixing mechanism;
the two ends of the first bench 1 are respectively provided with a first fixing mechanism 4 and a second fixing mechanism 5 in a sliding manner, wherein the first fixing mechanism 4 is used for fixing the planetary reducer casing, and the second fixing mechanism 5 is used for limiting the output shaft of the planetary reducer;
the two second racks 2 are respectively provided with a first detection mechanism 6 and a second detection mechanism 7 in a sliding manner, wherein the first detection mechanism 6 is used for balance detection of the planetary reducer casing, and the second detection mechanism 7 is used for balance detection of the planetary reducer output shaft;
the first fixing mechanism 4 and the first detecting mechanism 6 are detachably installed, and the second fixing mechanism 5 and the second detecting mechanism 7 are detachably installed.
The first fixing mechanism 4 and the second fixing mechanism 5 comprise sliding plates 14, the sliding plates 14 are slidably arranged with a first sliding rail 13 on the first bench 1, first bolts 25 are arranged on the sliding plates 14 in a threaded penetrating way, the first bolts 25 are unscrewed, the sliding plates 14 can slide along the first sliding rail 13 conveniently, the relative positions of the first fixing mechanism 4 and the second fixing mechanism 5 and the planetary reducer are adjusted, the first bolts 25 are screwed, and the fixing of the first fixing mechanism 4 and the second fixing mechanism 5 is realized;
the fixed ring seat 15 is installed on the top side of the sliding plate 14, a plurality of guide grooves 16 are formed in the fixed ring seat 15 at equal angles, a straight line groove 21 is formed in each guide groove 16 in a penetrating mode, a sliding block 17 is installed in the guide groove 16 in a sliding mode, the end portion of the sliding block 17 of the first fixed mechanism 4 is arranged to be an arc-shaped positioning end 18, a supporting arm 19 is arranged at the end portion of the sliding block 17 of the second fixed mechanism 5, a limit wheel 20 is installed on the supporting arm 19, a rotating ring 22 is rotatably installed on an outer side wall bearing of the fixed ring seat 15, a plurality of arc-shaped grooves 23 corresponding to the straight line groove 21 are formed in the rotating ring 22 at equal angles, a guide pillar 24 penetrating through the straight line groove 21 and the arc-shaped groove 23 is installed on the sliding block 17, a supporting seat 27 is installed on the sliding block 14, a rotating seat 28 is installed on the supporting seat 27 in a rotating mode through a mounting shaft, a second pneumatic cylinder 29 is fixedly installed on the rotating seat 28, a piston rod end portion of the second pneumatic cylinder 29 is installed on the rotating shaft, the rotating seat 30 is rotatably connected with the rotating arm 26 on the outer side of the rotating ring 22 through a plug shaft, the rotating shaft seat 30 is driven to rotate the rotating shaft seat 20, the rotating ring 22 is driven to rotate along the rotating guide arm 26, the rotating guide arm 22 is driven to rotate the rotating body, the rotating body 24 is driven to rotate along the rotating ring 22, the rotating body is driven to the rotating body 24 and the rotating body is driven to rotate the outer side of the planetary mechanism to rotate along the rotating body, and the planetary mechanism is in contact with the outer side of the planetary mechanism, and is in contact with the outer housing 17, and is further fixed with the fixed output shaft 17, and is in contact with the fixed output shaft, and is fixed to the fixed housing.
The first detection mechanism 6 and the second detection mechanism 7 both comprise a first linear module 31 arranged on the second rack 2, a sliding seat 32 is slidably arranged on the first linear module 31, a second linear module 33 is vertically arranged on the top side of the sliding seat 32, a sliding arm 34 is slidably arranged on the second linear module 33, a detection ring 35 is arranged between the two sliding arms 34 positioned at the same end of the two second racks 2, a first polygon shaft 40 is arranged on the detection ring 35, the first polygon shaft 40 is connected with a first connecting shaft 39 on the fixed ring seat 15 in an inserting way, the first detection mechanism 6 and the first fixed mechanism 4 are coaxial, a plurality of second guide rails 36 are arranged on the detection ring 35 towards the fixed ring seat 15 in an equiangular way, a mounting block 37 is slidably arranged on the second guide rails 36, a second bolt 45 is arranged on the side wall of the mounting block 37 in a threaded way, a first vibration sensor 38 is arranged on the mounting block 37, the second polygonal shaft 42 is arranged on the mounting block 37, the second polygonal shaft 42 is connected with the second connecting shaft 41 on the sliding block 17 in a plugging manner, so that synchronous movement of the sliding block 17 and the mounting block 37 is realized, a U-shaped arm 43 is arranged outside a detection ring 35 of the second detection mechanism 7, a second vibration sensor 44 is installed on the U-shaped arm 43 in a threaded penetrating manner, the first vibration sensor 38 and the second vibration sensor 44 are opposite vibration sensors, the mounting block 37 moves along the second guide rail 36 at the moment along with the movement of the sliding block 17, the position of the first vibration sensor 38 is regulated, the first vibration sensor 38 of the first detection mechanism 6 is distributed outside a planetary reducer shell, the first vibration sensor 38 of the second detection mechanism 7 is distributed outside a planetary reducer output shaft, a second bolt 45 is screwed, the first detection mechanism 6 and the second detection mechanism 7 are moved, and the fixing mechanism and the detection mechanism are separated, at this time, the first vibration sensor 38 of the first detection mechanism 6 is used for detecting the vibration condition of the planetary reducer when the planetary reducer is in operation, and the second vibration sensor 44 on the rotating U-shaped arm 43 is in contact with the end of the output end of the planetary reducer, at this time, the first vibration sensor 38 and the second vibration sensor 44 of the second detection mechanism 7 are used for detecting the vibration condition of the output shaft of the planetary reducer when the planetary reducer is in operation.
A working method of a balance detection assembly of a planetary reducer of a crane comprises the following specific operation steps:
step one: the motor 10 works to drive the threaded rod 11 to rotate, the distance between the two limiting blocks 12 is adjusted, the planetary reducer is placed on the two limiting blocks 12, and the lifting adjusting seat 9 is driven to lift and adjust the height through the working of the first pneumatic cylinder 8;
step two: the detection mechanism is adjusted to be matched with the fixing mechanism in height through the sliding arm 34 along the second linear module 33, the first connecting shaft 39 and the second connecting shaft 41 of the first fixing mechanism 4 are connected with the first polygonal shaft 40 and the second polygonal shaft 42 of the first detection mechanism 6 in a plugging manner, the first bolt 25 is unscrewed, at the moment, the detection mechanism slides along the first linear module 31 until the first fixing mechanism 4 and the first detection mechanism 6 are sleeved outside a planetary reducer shell, the second fixing mechanism 5 and the second detection mechanism 7 are sleeved outside an output shaft of the planetary reducer, the second bolt 45 is unscrewed, the second pneumatic cylinder 29 drives the shaft seat 30 to move, the ear arm 26 drives the rotary ring 22 to rotate, the guide post 24 positioned in the arc groove 23 of the rotary ring 22 is driven to move, the guide post 24 drives the slide block 17 to move along the linear groove 21, the arc positioning end 18 of the slide block 17 of the first fixing mechanism 4 is contacted with the outer wall of the planetary reducer shell, the planetary reducer shell is further fixed in a centering manner, the output shaft 20 mounted on the slide block 17 of the second fixing mechanism 5 is further contacted with the outer wall of the planetary reducer shell, and further clamping and clamping of the planetary reducer is further centered;
step three: along with the movement of the sliding block 17, at this time, the mounting block 37 moves along the second guide rail 36, the position of the first vibration sensor 38 is adjusted, the first vibration sensor 38 of the first detection mechanism 6 is distributed outside the planetary reducer casing, the first vibration sensor 38 of the second detection mechanism 7 is distributed outside the planetary reducer output shaft, the second bolt 45 is screwed down, the first detection mechanism 6 and the second detection mechanism 7 are moved to separate the fixing mechanism from the detection mechanism, at this time, the first vibration sensor 38 of the first detection mechanism 6 is used for detecting the vibration condition of the planetary reducer casing during operation, the second vibration sensor 44 on the rotating U-shaped arm 43 is in contact with the end part of the planetary reducer output end, and at this time, the first vibration sensor 38 and the second vibration sensor 44 of the second detection mechanism 7 are used for detecting the vibration condition of the planetary reducer output shaft during operation, and balance detection of the planetary reducer is achieved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The balance detection assembly of the planetary reducer of the crane is characterized by comprising a first rack (1) and two second racks (2) positioned on two sides of the first rack (1), wherein a jacking mechanism (3) for jacking the planetary reducer is arranged in the middle of the first rack (1), a first fixing mechanism (4) and a second fixing mechanism (5) are respectively and slidably arranged at two ends of the first rack (1), the first fixing mechanism (4) is used for fixing a housing of the planetary reducer, and the second fixing mechanism (5) is used for limiting an output shaft of the planetary reducer;
a first detection mechanism (6) and a second detection mechanism (7) are respectively and slidably arranged on the two second tables (2), wherein the first detection mechanism (6) is used for balancing the planetary reducer shell, and the second detection mechanism (7) is used for balancing and detecting the output shaft of the planetary reducer;
the first fixing mechanism (4) and the first detection mechanism (6) are detachably arranged, and the second fixing mechanism (5) and the second detection mechanism (7) are detachably arranged;
the top side of the sliding plate (14) is provided with a fixed ring seat (15), a plurality of guide grooves (16) are formed in the fixed ring seat (15) at equal angles, a straight line groove (21) is formed in each guide groove (16) in a penetrating mode, a sliding block (17) is arranged in each guide groove (16) in a sliding mode, the end portion of the sliding block (17) of the first fixing mechanism (4) is provided with an arc-shaped positioning end (18), the end portion of the sliding block (17) of the second fixing mechanism (5) is provided with a supporting arm (19), and a limiting wheel (20) is arranged on the supporting arm (19);
a swivel (22) is rotatably mounted on the outer side wall bearing of the fixed ring seat (15), a plurality of arc-shaped grooves (23) corresponding to the linear grooves (21) are formed in the swivel (22) at equal angles, and guide posts (24) penetrating through the linear grooves (21) and the arc-shaped grooves (23) are mounted on the sliding blocks (17);
a supporting seat (27) is arranged on the sliding plate (14), a rotary seat (28) is rotatably arranged on the supporting seat (27) through an installation shaft, a second pneumatic cylinder (29) is fixedly arranged on the rotary seat (28), a shaft seat (30) is arranged at the end part of a piston rod of the second pneumatic cylinder (29), and the shaft seat (30) is rotatably connected with an ear arm (26) at the outer side of the rotary ring (22) through an insertion shaft;
the first detection mechanism (6) and the second detection mechanism (7) comprise first linear modules (31) arranged on the second rack (2), sliding seats (32) are slidably arranged on the first linear modules (31), second linear modules (33) are vertically arranged on the top sides of the sliding seats (32), sliding arms (34) are slidably arranged on the second linear modules (33), a detection ring (35) is arranged between the two sliding arms (34) positioned at the same end of the two second racks (2), a first polygonal shaft (40) is arranged on the detection ring (35), and the first polygonal shaft (40) is connected with a first connecting shaft (39) on the fixed ring seat (15) in a plugging manner;
the detection ring (35) is provided with a plurality of second guide rails (36) towards the side of the fixed ring seat (15) at equal angles, the second guide rails (36) are provided with installation blocks (37) in a sliding mode, second bolts (45) are installed on the side walls of the installation blocks (37) in a threaded mode, the installation blocks (37) are provided with first vibration sensors (38), the installation blocks (37) are provided with second polygonal shafts (42), the second polygonal shafts (42) are connected with second connecting shafts (41) on the sliding blocks (17) in a plugging mode, U-shaped arms (43) are arranged on the outer sides of the detection rings (35) of the second detection mechanism (7), and the second vibration sensors (44) are installed in a threaded mode on the U-shaped arms (43).
2. The balance detection assembly of a planetary reducer of a crane according to claim 1, wherein the jacking mechanism (3) comprises a first pneumatic cylinder (8) arranged at the bottom side of a first rack (1), a lifting adjusting seat (9) is arranged at the telescopic end of the first pneumatic cylinder (8) penetrating through the first rack (1), a motor (10) is arranged at the end part of the lifting adjusting seat (9), a threaded rod (11) with opposite screw threads at two ends is arranged at the output end of the motor (10) and in the lifting adjusting seat (9), limiting blocks (12) are respectively arranged at two ends of the threaded rod (11) in a threaded manner, and inclined surfaces are arranged on the limiting blocks (12) and tangent with the outer wall of the planetary reducer.
3. The balance detection assembly of the planetary reducer of the crane according to claim 2, wherein the first fixing mechanism (4) and the second fixing mechanism (5) comprise sliding plates (14), the sliding plates (14) are slidably mounted with first sliding rails (13) on the first bench (1), and first bolts (25) are installed on the sliding plates (14) in a threaded penetrating manner.
4. A working method of a balance detection assembly of a planetary reducer of a crane according to claim 3, wherein the working method comprises the following specific operation steps:
step one: the motor (10) works to drive the threaded rod (11) to rotate, the distance between the two limiting blocks (12) is adjusted, the planetary reducer is placed on the two limiting blocks (12), and the lifting adjusting seat (9) is driven to lift and adjust the height through the working of the first pneumatic cylinder (8);
step two: the first connecting shaft (39) and the second connecting shaft (41) of the first fixing mechanism (4) are connected with the first polygonal shaft (40) and the second polygonal shaft (42) of the first detecting mechanism (6) in a plugging manner through the sliding arm (34) along the second linear module (33), the first bolt (25) is unscrewed, the detecting mechanism slides along the first linear module (31) until the first fixing mechanism (4) and the first detecting mechanism (6) are sleeved outside a planetary reducer shell, the second fixing mechanism (5) and the second detecting mechanism (7) are sleeved outside a planetary reducer output shaft, the second bolt (45) is unscrewed, the second pneumatic cylinder (29) drives the shaft seat (30) to move, the rotating ring (22) is driven to rotate through the ear arm (26), the guide post (24) positioned in the arc groove (23) of the rotating ring (22) is driven by the guide post (24) to move along the linear groove (21) along the guide groove (16), the first fixing mechanism (5) and the second detecting mechanism (7) are sleeved outside the planetary reducer shell, the planetary reducer (17) is further fixedly contacted with the planetary reducer output shaft (20) at the outer end of the planetary reducer shell, the planetary reducer (17) is fixedly contacted with the planetary reducer shell, thereby realizing centering clamping of the output shaft of the planetary reducer;
step three: along with the movement of the sliding block (17), the mounting block (37) moves along the second guide rail (36) at the moment, the position of the first vibration sensor (38) is adjusted, the first vibration sensor (38) of the first detection mechanism (6) is distributed on the outer side of the planetary reducer shell, the first vibration sensor (38) of the second detection mechanism (7) is distributed on the outer side of the planetary reducer output shaft, the second bolt (45) is screwed, the first detection mechanism (6) and the second detection mechanism (7) are moved to realize the separation of the fixing mechanism and the detection mechanism, the first vibration sensor (38) of the first detection mechanism (6) is used for detecting the vibration condition of the planetary reducer shell during operation, the second vibration sensor (44) on the rotary U-shaped arm (43) is in contact with the end part of the planetary reducer output end, and the first vibration sensor (38) and the second vibration sensor (44) of the second detection mechanism (7) are used for detecting the vibration condition of the planetary reducer output shaft during operation at the moment, and balance detection of the planetary reducer is realized.
Priority Applications (1)
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| DE202014004892U1 (en) * | 2014-06-18 | 2015-09-23 | Dieter Franke | Demonstration model for vibration diagnosis and machine balancing and alignment |
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