CN112213034A - Static balancing device - Google Patents
Static balancing device Download PDFInfo
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- CN112213034A CN112213034A CN202011183772.5A CN202011183772A CN112213034A CN 112213034 A CN112213034 A CN 112213034A CN 202011183772 A CN202011183772 A CN 202011183772A CN 112213034 A CN112213034 A CN 112213034A
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- 230000003068 static effect Effects 0.000 title claims abstract description 57
- 238000000429 assembly Methods 0.000 claims abstract description 31
- 230000000712 assembly Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000000969 carrier Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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 imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
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Abstract
The invention relates to the technical field of static balance detection of rotating workpieces, and discloses a static balance device, which comprises: a base plate; the first shaft supporting assembly is arranged on the bottom plate and comprises a first shaft supporting seat and two first rotating assemblies arranged on the first shaft supporting seat, and the two first rotating assemblies are used for supporting a first rotating shaft of a rotating workpiece; the second shaft supporting assembly is arranged on the bottom plate, the distance between the second shaft supporting assembly and the first shaft supporting assembly is adjustable, the second shaft supporting assembly comprises a second shaft supporting seat and two second rotating assemblies arranged on the second shaft supporting seat, the mounting height of the second shaft supporting seat on the bottom plate is adjustable, the distance between the two second rotating assemblies is adjustable, and the two second rotating assemblies are used for supporting a second rotating shaft of a rotating workpiece. The static balancing device disclosed by the invention can be suitable for detecting rotating workpieces with different lengths, different diameters of the first rotating shaft and different diameters of the second rotating shaft, and the applicability is improved compared with the prior art.
Description
Technical Field
The invention relates to the technical field of static balance detection of rotating workpieces, in particular to a static balance device.
Background
For a rotating workpiece with a first rotating shaft at one end and a second rotating shaft at the other end, different static balance detection devices are usually adopted for detecting the rotating workpieces of different types by means of the static balance detection device when the balance performance of the rotating workpiece is detected.
Use rotatory work piece as the planet carrier for the example, the planet carrier forms through casting or welding process mostly, and the both ends of planet carrier are first pivot and second pivot respectively, and the planet carrier is high-speed rotation in the gear box, and the balanced state of planet carrier is great to the gear box operation influence, consequently, need do the static balance test to the planet carrier on static balancing unit to detect the precision state of planet carrier, ensure gear box operation stationarity. The static balance device can support the first rotating shaft and the second rotating shaft respectively so that the planet carrier is erected on the static balance device, the planet carrier is horizontally placed on the static balance device, and therefore when the length of the planet carrier changes, or the diameter of the first rotating shaft changes, or the diameter of the second rotating shaft changes, different static balance devices are required to be selected for use to detect the static balance performance of the planet carrier, so that the planet carrier is erected on the static balance device and is horizontally placed.
Disclosure of Invention
Based on the above, the present invention is directed to provide a static balancing apparatus, which can be used for detecting rotating workpieces of different types, and has improved applicability compared with the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a static balancing apparatus comprising: a base plate; the first shaft supporting assembly is arranged on the bottom plate and comprises a first shaft supporting seat and two first rotating assemblies arranged on the first shaft supporting seat, and the two first rotating assemblies are used for supporting a first rotating shaft of a rotating workpiece; the second shaft supporting assembly is arranged on the bottom plate, the distance between the second shaft supporting assembly and the first shaft supporting assembly is adjustable, the second shaft supporting assembly comprises a second shaft supporting seat and two second rotating assemblies arranged on the second shaft supporting seat, the mounting height of the second shaft supporting seat on the bottom plate is adjustable, the distance between the second rotating assemblies is adjustable, and the second rotating assemblies are used for supporting second rotating shafts of the rotating workpieces.
As a preferable scheme of the static balancing device, at least two first mounting hole groups are arranged on the bottom plate, the at least two first mounting hole groups are distributed along the axial direction of the rotating workpiece, and the first shaft supporting seat is selectively arranged on the first mounting hole group so that the distance between the second shaft supporting component and the first shaft supporting component can be adjusted; and/or at least two second mounting hole groups are arranged on the bottom plate and distributed along the axial direction of the rotating workpiece, and the second shaft supporting assembly is selectively arranged on the second mounting hole groups so that the distance between the second shaft supporting assembly and the first shaft supporting assembly can be adjusted.
As a preferable scheme of the static balancing device, the first shaft supporting seat is slidably disposed on the bottom plate along an axial direction of the rotating workpiece, and a first positioning member is disposed on the bottom plate or the first shaft supporting seat and used for positioning the first shaft supporting seat; and/or the second shaft supporting component is arranged on the bottom plate in a sliding manner along the axis direction of the rotating workpiece, and a second positioning piece is arranged on the bottom plate or the second shaft supporting component and is used for positioning the second shaft supporting component.
As a preferable aspect of the static balancing apparatus, the first shaft supporting assembly further includes a first cover plate, the first cover plate is fixedly disposed on the first shaft supporting seat, and the first cover plate and the first shaft supporting seat enclose a first mounting cavity, and the first rotating assembly includes: one end of the first support shaft is abutted with the first shaft support seat, and the other end of the first support shaft is abutted with the first cover plate; the first bearing is sleeved on the first supporting shaft and is positioned in the first mounting cavity; the first bearing is sleeved with a first bushing and used for supporting the first rotating shaft, and the first bushing is convexly arranged on the first cover plate and the first shaft supporting seat.
As a preferred scheme of a static balancing device, the second shaft supporting assembly further comprises two sliding seats and two adjusting assemblies, wherein the two sliding seats are arranged on the second shaft supporting seat in a sliding mode, each sliding seat is provided with one second rotating assembly and two adjusting assemblies which are respectively arranged at two ends of the second shaft supporting seat and each adjusting assembly comprises a stop block and an adjusting screw rod, the stop blocks are fixedly arranged on the second shaft supporting seat, the adjusting screw rods are in threaded connection with the stop blocks, one ends of the adjusting screw rods extend out of the length of the stop blocks, and the adjusting screw rods can be abutted to the sliding seats.
As a preferable scheme of the static balancing device, the second shaft supporting assembly further includes a second cover plate, the second cover plate is fixedly disposed on the sliding seat, and the second cover plate and the sliding seat enclose a second mounting cavity, and the second rotating assembly includes: one end of the second support shaft is abutted with the sliding seat, and the other end of the second support shaft is abutted with the second cover plate; the second bearing is sleeved on the second supporting shaft and is positioned in the second mounting cavity; and the second bushing is sleeved on the second bearing and is used for supporting the second rotating shaft, and the second bushing is convexly arranged on the second cover plate and the sliding seat.
As a preferable scheme of the static balancing device, one of the stop block and the sliding seat is provided with a positioning bolt with adjustable screwing depth, and the other one of the stop block and the sliding seat can be abutted against the positioning bolt to limit the sliding seat to move towards a direction departing from the rotating workpiece.
As a preferable scheme of the static balancing device, the second shaft support assembly further includes at least two bearing screws, one end of each bearing screw is rotatably disposed on the bottom plate, and the other end of each bearing screw penetrates through the second shaft support seat and is in threaded connection with the second shaft support seat.
As a preferable scheme of the static balancing device, the second shaft support assembly further comprises a mounting plate, the mounting plate is arranged on the bottom plate, and the bearing screw is rotatably arranged on the mounting plate.
As a preferable scheme of the static balancing device, the second shaft support assembly further includes at least two guide shafts, one end of each guide shaft is disposed on the bottom plate or the mounting plate, and the other end of each guide shaft penetrates through the second shaft support seat.
The invention has the beneficial effects that: when the static balancing device disclosed by the invention detects rotating workpieces with different lengths, the rotating workpieces can be supported by adjusting the distance between the first shaft supporting component and the second shaft supporting component; when the diameter of the first rotating shaft or the diameter of the second rotating shaft supporting the rotating workpiece is changed, the rotating workpiece can be ensured to be horizontally placed by adjusting the height of the second shaft supporting seat to change the heights of the two second rotating assemblies and adjusting the distance between the two second rotating assemblies, so that the static balancing device can be suitable for detecting the rotating workpieces of different models, and the applicability is improved compared with the prior art.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a static balancing apparatus with a planet carrier in one orientation according to an embodiment of the present invention;
FIG. 2 is a schematic view of a static balancing apparatus in another orientation provided by an embodiment of the present invention;
fig. 3 is a partial cross-sectional view of a first shaft support, a first rotating assembly and a first cover plate according to an embodiment of the invention.
In the figure:
1. a base plate;
2. a first shaft support assembly; 20. a first mounting cavity; 21. a first shaft support seat; 22. a first rotating assembly; 221. a first support shaft; 222. a first bearing; 223. a first bushing; 224. a first pitch ring; 225. a second positioning ring; 226. a first retainer ring; 227. a second retainer ring; 23. a first cover plate;
3. a second shaft support assembly; 30. a second mounting cavity; 31. a second shaft supporting seat; 32. a second rotating assembly; 33. a slide base; 34. an adjustment assembly; 341. a stopper; 342. adjusting the screw rod; 35. a second cover plate; 36. positioning the bolt; 37. a bearing screw; 38. mounting a plate; 39. a guide shaft;
100. a planet carrier.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to fig. 3, the present embodiment provides a static balance apparatus for detecting a static balance characteristic of a planet carrier 100, and in other embodiments, the present embodiment may also be used to detect other rotating workpieces with a first rotating shaft and a second rotating shaft, which is specifically selected according to actual needs. The static balancing device of the embodiment comprises a bottom plate 1, a first shaft supporting component 2 and a second shaft supporting component 3, wherein the first shaft supporting component 2 is arranged on the bottom plate 1 and comprises a first shaft supporting seat 21 and two first rotating components 22 arranged on the first shaft supporting seat 21, the two first rotating components 22 are used for supporting a first rotating shaft of a planet carrier 100, the second shaft supporting component 3 is arranged on the bottom plate 1, the distance between the second shaft supporting component 3 and the first shaft supporting component 2 is adjustable, the second shaft supporting component 3 comprises a second shaft supporting seat 31 and two second rotating components 32 arranged on the second shaft supporting seat 31, the installation height of the second shaft supporting seat 31 on the bottom plate 1 is adjustable, the distance between the two second rotating components 32 is adjustable, and the two second rotating components 32 are used for supporting a second rotating shaft of the planet carrier 100.
It should be noted that the distance between the two first rotating assemblies 22 of the present embodiment is not adjustable. In other embodiments, the distance between the two first rotating assemblies 22 can also be adjusted, and is selected according to actual needs.
The static balance device provided by the embodiment can be suitable for detecting the planet carriers 100 of different models, and particularly, when the planet carriers 100 of different lengths are detected, the planet carriers 100 can be supported by adjusting the distance between the first shaft support component 2 and the second shaft support component 3; when the diameter of the first rotating shaft or the diameter of the second rotating shaft of the rotating workpiece is changed, the height of the two second rotating assemblies 32 is changed by adjusting the height of the second shaft supporting seat 31, and the distance between the two second rotating assemblies 32 is adjusted, so that the planet carrier 100 can be horizontally placed, the static balance device can be suitable for detecting planet carriers 100 of different models, and the applicability is improved compared with the prior art.
The bottom plate 1 of this embodiment is provided with at least two first mounting hole sets (not shown in the drawings) distributed along the axial direction of the carrier 100, and the first shaft support base 21 is selectively provided on the first mounting hole sets so that the distance between the second shaft support member 3 and the first shaft support member 2 is adjustable. At least two second mounting hole sets (not shown) are arranged on the bottom plate 1, the at least two second mounting hole sets are distributed along the axial direction of the planet carrier 100, and the second shaft supporting component 3 is selectively arranged on the second mounting hole sets so that the distance between the second shaft supporting component 3 and the first shaft supporting component 2 can be adjusted.
In other embodiments, only at least two first mounting hole sets may be provided on the bottom plate 1, the mounting position of the first shaft supporting seat 21 on the bottom plate 1 may be adjustable, and the mounting position of the second shaft supporting assembly 3 on the bottom plate 1 may be unchanged. Or, only two second mounting hole groups are arranged on the bottom plate 1, the mounting position of the second shaft supporting component 3 on the bottom plate 1 is adjustable, and the mounting position of the first shaft supporting seat 21 on the bottom plate 1 is unchanged, specifically according to actual needs.
In other embodiments, the adjustment of the distance between the first shaft support assembly 2 and the second shaft support assembly 3 is not limited to the above limitation, and the first shaft support seat 21 may be slidably disposed on the bottom plate 1 along the axial direction of the planet carrier 100, a first positioning member is disposed on the bottom plate 1 or the first shaft support assembly 2, the first positioning member is used for positioning the first shaft support assembly 2, and/or the second shaft support assembly 3 is slidably disposed on the bottom plate 1 along the axial direction of the planet carrier 100, and a second positioning member is disposed on the bottom plate 1 or the second shaft support assembly 3, and the second positioning member is used for positioning the second shaft support assembly 3.
Specifically, when the first shaft support assembly 2 is slidably arranged on the bottom plate 1, a first sliding groove is formed in the bottom plate 1, a first sliding hole is formed in the bottom of the first sliding groove, the first positioning piece comprises a first bolt and a first nut, one end of the first bolt is fixed on the first shaft support seat 21, the other end of the first bolt sequentially penetrates through the first sliding groove and the first sliding hole, the first nut is in threaded connection with the first bolt, and when the first shaft support assembly 2 needs to be positioned on the bottom plate 1, the first nut is screwed to enable the first nut to be abutted to one side, away from the first shaft support seat 21, of the bottom plate 1; when the first shaft support seat 21 needs to be slid, the first nut is loosened and the first shaft support seat 21 is slid.
Specifically, when the second shaft supporting component 3 is slidably arranged on the bottom plate 1, a second sliding groove is formed in the bottom plate 1, a second sliding hole is formed in the bottom of the second sliding groove, a second positioning piece comprises a second bolt and a second nut, one end of the second bolt is fixed to the second shaft supporting component 3, the other end of the second bolt sequentially penetrates through the second sliding groove and the second sliding hole, the second nut is in threaded connection with the second bolt, and when the second shaft supporting component 3 needs to be positioned on the bottom plate 1, the second nut is screwed to enable the second nut to be abutted to one side, away from the second shaft supporting component 3, of the bottom plate 1; when the second shaft support component 3 needs to be slid, the second nut is unscrewed and the second shaft support component 3 is slid.
As shown in fig. 3, the first shaft supporting assembly 2 of the present embodiment further includes a first cover plate 23, the first cover plate 23 is fixedly disposed on the first shaft supporting seat 21, and the first cover plate 23 and the first shaft supporting seat 21 enclose a first mounting cavity 20, the first rotating assembly 22 includes a first supporting shaft 221, a first bearing 222 and a first bushing 223, one end of the first supporting shaft 221 abuts against the first shaft supporting seat 21, the other end of the first supporting shaft abuts against the first cover plate 23, the first bearing 222 is sleeved on the first supporting shaft 221 and is located in the first mounting cavity 20, the first bushing 223 is sleeved on the first bearing 222 and is used for supporting the first rotating shaft, and the first bushing 223 is protrudingly disposed on the first cover plate 23 and the first shaft supporting seat 21.
Specifically, as shown in fig. 3, the first rotating assembly 22 further includes a first distance ring 224, a second positioning ring 225, a first retainer ring 226 and a second retainer ring 227, the first distance ring 224 is sleeved on the first support shaft 221 and clamped between the first shaft support seat 21 and the inner ring of the first bearing 222, the second distance ring is sleeved on the first support shaft 221 and clamped between the inner ring of the first bearing 222 and the first cover plate 23, the first retainer ring 226 is installed on the first cover plate 23 and clamped between the first support shaft 221 and the first cover plate 23 to prevent the first support shaft 221 from falling off from the first shaft support seat 21 and the first cover plate 23, and the second retainer ring 227 is installed on the first bushing 223 and clamped between the first bearing 222 and the first bushing 223 to prevent the first shaft from falling off from the first bearing 222.
As shown in fig. 2, the second shaft supporting assembly 3 of this embodiment further includes two sliders 33 and two adjusting assemblies 34, the two sliders 33 are slidably disposed on the second shaft supporting seat 31, each slider 33 is provided with one second rotating assembly 32, the two adjusting assemblies 34 are respectively located at two ends of the second shaft supporting seat 31, each adjusting assembly 34 includes a stopper 341 and an adjusting screw 342, the stopper 341 is fixedly disposed on the second shaft supporting seat 31, the adjusting screw 342 is threadedly connected to the stopper 341, one end of the adjusting screw 342 extends out of the stopper 341, and the length of the adjusting screw 342 is adjustable and the adjusting screw 342 can abut against one slider 33.
Specifically, the second shaft support seat 31 of this embodiment is provided with scale marks (not shown in the figure), and when the sliding seat 33 is slid, the added scale marks facilitate the operator to check the position of each second rotating assembly 32 at any time, so as to ensure that the distance between the two second rotating assemblies 32 and the planet carrier 100 is the same, and facilitate the operator to check the distance between the two second rotating assemblies 32 so as to be suitable for the planet carrier 100. In other embodiments, the distance between each second rotating assembly 32 and the planet carrier 100 and the distance between two second rotating assemblies 32 can also be measured by means of a graduated scale.
As shown in fig. 2, the second shaft supporting assembly 3 of this embodiment further includes a second cover plate 35, the second cover plate 35 is fixedly disposed on the sliding seat 33, and the second cover plate 35 and the sliding seat 33 enclose a second mounting cavity 30, the second rotating assembly 32 includes a second supporting shaft (not shown in the figure), a second bearing (not shown in the figure) and a second bushing (not shown in the figure), one end of the second supporting shaft abuts against the sliding seat 33, the other end of the second supporting shaft abuts against the second cover plate 35, the second bearing is sleeved on the second supporting shaft and located in the second mounting cavity 30, the second bushing is sleeved on the second bearing and used for supporting a second rotating shaft, and the second bushing is protrudingly disposed on the second cover plate 35 and the sliding seat 33.
It should be noted that, first bush 223 and second bush are formed by processing such as high-quality carbon structural steel, oil steel, and the hardness of first bush 223 and second bush all is lower than planet carrier 100, and the wearability is better, can avoid first bush 223 and second bush to the indentation that planet carrier 100 surface caused, collide with etc. and first bush 223 and second bush all can be changed, if first bush 223 or second bush damage directly change can, prolonged the life of the static balancing unit of this embodiment. In other embodiments, the material of the first bushing 223 and the second bushing is not limited to the limitation of the embodiment, and may be machined from other materials, and in order to reduce the damage to the planet carrier 100, the hardness of the first bushing 223 and the second bushing is required to be less than that of the planet carrier 100, and the first bushing 223 and the second bushing have better wear resistance, and the specific material is selected according to the actual requirement.
Specifically, the second rotating assembly 32 further includes a third distance ring (not shown), a fourth positioning ring (not shown), a third retainer ring (not shown) and a fourth retainer ring (not shown), the third distance ring is sleeved on the second support shaft and clamped between the second support seat 31 and the inner ring of the second bearing, the fourth distance ring is sleeved on the second support shaft and clamped between the inner ring of the second bearing and the second cover plate 35, the second retainer ring 227 is installed on the second cover plate 35 and clamped between the second support shaft and the second cover plate 35 to prevent the second support shaft from falling off from the slide seat 33 and the second cover plate 35, and the fourth retainer ring is installed on the second sleeve and clamped between the second bearing and the second sleeve to prevent the second sleeve from falling off from the second bearing.
As shown in fig. 2, a positioning bolt 36 with adjustable screwing depth is provided on the sliding seat 33 of the present embodiment, and the stopper 341 can abut against the positioning bolt 36 to limit the sliding seat 33 from moving in a direction away from the planet carrier 100. The additional positioning bolt 36 can bear the acting force of the sliding seat 33 on the stop block 341 along the horizontal direction when detecting the static balance characteristic of the planet carrier 100, and compared with the case of only arranging the adjusting screw 342, when detecting the static balance characteristic of the same planet carrier 100 at the same rotating speed, the acting force borne by the adjusting screw 342 is reduced, and the probability of damage to the adjusting screw 342 is reduced. Meanwhile, the additionally arranged positioning bolt 36 can also prevent the sliding seat 33 from pushing the adjusting screw 342 to move outwards to cause the planet carrier 100 to be changed from a horizontal placing state to an inclined state when the sliding seat 33 is subjected to a larger acting force of the planet carrier 100 in the horizontal direction, so that the sliding seat 33 is ensured not to slide relative to the second shaft supporting seat 31, and the testing accuracy is increased.
In other embodiments, the positioning bolt 36 may also be disposed on the stopper 341, the positioning bolt 36 may abut against the stopper 341 to limit the sliding seat 33 to move in a direction away from the planet carrier 100, and the installation position of the positioning bolt 36 is specifically adjusted according to actual needs.
As shown in fig. 2, the second shaft support assembly 3 of the present embodiment further includes a mounting plate 38 and six bearing screws 37, the mounting plate 38 is disposed on the bottom plate 1, one end of each bearing screw 37 is rotatably disposed on the mounting plate 38, and the other end of each bearing screw 37 penetrates through the second shaft support seat 31 and is in threaded connection with the second shaft support seat 31. Specifically, the six bearing screws 37 are simultaneously screwed in the same screwing direction, so that the second shaft support seat 31 drives the two second rotating assemblies 32 to simultaneously ascend or descend.
It should be noted that, when the height of the second shaft supporting seat 31 is adjusted, a scale mark may be set on the bearing screw 37, so that an operator can check the height of the second shaft supporting seat 31 at any time. In other embodiments, the height of the second shaft supporting seat 31 can be measured by means of a graduated scale.
As shown in fig. 2, the second shaft supporting assembly 3 of this embodiment further includes two guiding shafts 39, one end of each guiding shaft 39 is fixed on the mounting plate 38, and the other end of each guiding shaft 39 penetrates through the second shaft supporting seat 31, and when the height of the second shaft supporting seat 31 is adjusted, the guiding shafts 39 play a role of guiding to ensure that the second shaft supporting seat 31 moves along the length direction of the guiding shafts 39. In other embodiments, one end of the guiding shaft 39 may be disposed on the bottom plate 1 through the mounting plate 38, and the arrangement is determined according to actual requirements.
When the static balance device of the embodiment is used for testing the static balance characteristic of the planet carrier 100, the specific operation steps are as follows:
firstly, adjusting the distance between the first shaft support assembly 2 and the second shaft support assembly 3 according to the length of the planet carrier 100 to ensure that the first rotating shaft of the planet carrier 100 is placed on the two first rotating assemblies 22 and the second rotating shaft of the planet carrier 100 is placed on the second rotating assembly 32;
secondly, the heights of the second shaft supporting seat 31, the sliding seat 33 and the second rotating assembly 32 are adjusted through the bearing screw rod 37, so that the planet carrier 100 is ensured to be erected on the static balancing device;
step three, adjusting the distance between the two sliding seats 33 and the positions of the two second rotating assemblies 32 by adjusting the screw 342 to ensure that the distances from the two rotating assemblies to the central axis of the planet carrier 100 are the same, and the central axis of the planet carrier 100 is located on the horizontal plane;
step four, screwing the positioning bolt 36 to enable the positioning bolt 36 to be abutted to the stop block 341;
step five, applying external force to rotate the planet carrier 100, so that the planet carrier 100, the first bearing 222 and the second bearing reach a certain rotating speed, then stopping the external force, so that the planet carrier 100 automatically stops at a certain position according to the self balance state, and verifying the static balance state of the planet carrier 100 through multiple experiments until the experiment is finished, and taking down the planet carrier 100 from the static balance device.
In other embodiments, the specific operation steps are not limited to this limitation of the present embodiment, and may also be other steps, which are specifically selected according to actual needs.
The static balance device that this embodiment provided compact structure, can be applicable to the planet carrier 100 that detects different models, the accuracy that detects improves than prior art, the hardness of first bush 223 and second bush all is lower than planet carrier 100, the wearability is better, can avoid first bush 223 and second bush to the planet carrier 100 indentation that the surface caused, collide with etc. and first bush 223 and second bush all can be changed, the life of the static balance device of this embodiment has been prolonged.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A static balancing apparatus, comprising:
a base plate (1);
the first shaft supporting assembly (2) is arranged on the bottom plate (1) and comprises a first shaft supporting seat (21) and two first rotating assemblies (22) arranged on the first shaft supporting seat (21), and the two first rotating assemblies (22) are used for supporting a first rotating shaft of a rotating workpiece;
second shaft supporting component (3), set up on bottom plate (1) just second shaft supporting component (3) with distance between first shaft supporting component (2) is adjustable, second shaft supporting component (3) include second shaft supporting seat (31) and set up two second runner assembly (32) on second shaft supporting seat (31), second shaft supporting seat (31) are in mounting height on bottom plate (1) is adjustable, two distance between second runner assembly (32) is adjustable, two second runner assembly (32) are used for supporting the second pivot of rotatory work piece.
2. The static balancing device according to claim 1, characterized in that the base plate (1) is provided with at least two first mounting hole groups distributed along the axial direction of the rotating workpiece, and the first shaft support seat (21) is selectively provided on the first mounting hole group so that the distance between the second shaft support assembly (3) and the first shaft support assembly (2) is adjustable;
and/or at least two second mounting hole groups are arranged on the bottom plate (1), the at least two second mounting hole groups are distributed along the axial direction of the rotating workpiece, and the second shaft supporting component (3) is selectively arranged on the second mounting hole groups so that the distance between the second shaft supporting component (3) and the first shaft supporting component (2) can be adjusted.
3. The static balancing apparatus according to claim 1, wherein the first shaft support base (21) is slidably provided on the base plate (1) in an axial direction of the rotating workpiece, and a first positioning member for positioning the first shaft support base (21) is provided on the base plate (1) or the first shaft support base (21);
and/or the second shaft supporting component (3) is slidably arranged on the bottom plate (1) along the axis direction of the rotating workpiece, a second positioning piece is arranged on the bottom plate (1) or the second shaft supporting component (3), and the second positioning piece is used for positioning the second shaft supporting component (3).
4. The static balancing device according to claim 1, characterized in that the first shaft support assembly (2) further comprises a first cover plate (23), the first cover plate (23) is fixedly arranged on the first shaft support seat (21) and the first cover plate (23) and the first shaft support seat (21) enclose a first mounting cavity (20), and the first rotating assembly (22) comprises:
a first support shaft (221) having one end abutting against the first shaft support base (21) and the other end abutting against the first cover plate (23);
the first bearing (222) is sleeved on the first supporting shaft (221) and is positioned in the first mounting cavity (20);
the first bushing (223) is sleeved on the first bearing (222) and used for supporting the first rotating shaft, and the first bushing (223) is arranged on the first cover plate (23) and the first shaft supporting seat (21) in a protruding mode.
5. The static balancing device according to claim 1, characterized in that the second shaft supporting assembly (3) further comprises two sliding seats (33) and two adjusting assemblies (34), the two sliding seats (33) are slidably arranged on the second shaft supporting seat (31), one second rotating assembly (32) is arranged on each sliding seat (33), the two adjusting assemblies (34) are respectively arranged at two ends of the second shaft supporting seat (31), each adjusting assembly (34) comprises a stop (341) and an adjusting screw (342), the stop block (341) is fixedly arranged on the second shaft supporting seat (31), the adjusting screw rod (342) is in threaded connection with the stop block (341), one end of the adjusting screw rod (342) extends out of the stop block (341) for adjustable length, and the adjusting screw rod (342) can be abutted to one sliding seat (33).
6. The static balancing device according to claim 5, characterized in that the second shaft supporting assembly (3) further comprises a second cover plate (35), the second cover plate (35) is fixedly arranged on the sliding seat (33) and the second cover plate (35) and the sliding seat (33) enclose a second mounting cavity (30), and the second rotating assembly (32) comprises:
one end of the second support shaft is abutted against the sliding seat (33), and the other end of the second support shaft is abutted against the second cover plate (35);
the second bearing is sleeved on the second supporting shaft and is positioned in the second mounting cavity (30);
and the second bushing is sleeved on the second bearing and is used for supporting the second rotating shaft, and the second bushing is convexly arranged on the second cover plate (35) and the sliding seat (33).
7. The static balancing device according to claim 5, characterized in that one of the stop (341) and the slide (33) is provided with a positioning bolt (36) with adjustable screwing depth, and the other can abut against the positioning bolt (36) to limit the slide (33) from moving in a direction away from the rotating workpiece.
8. The static balancing device according to claim 1, characterized in that the second shaft support assembly (3) further comprises at least two bearing screws (37), one end of each bearing screw (37) is rotatably disposed on the bottom plate (1), and the other end thereof penetrates the second shaft support seat (31) and is in threaded connection with the second shaft support seat (31).
9. The static balancing apparatus according to claim 8, characterized in that the second shaft support assembly (3) further comprises a mounting plate (38), the mounting plate (38) being arranged on the base plate (1), the bearing screw (37) being rotatably arranged on the mounting plate (38).
10. The static balancing device according to claim 9, characterized in that the second shaft support assembly (3) further comprises at least two guide shafts (39), each guide shaft (39) having one end arranged on the base plate (1) or the mounting plate (38) and the other end extending through the second shaft support seat (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183772.5A CN112213034B (en) | 2020-10-29 | 2020-10-29 | Static balancing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183772.5A CN112213034B (en) | 2020-10-29 | 2020-10-29 | Static balancing device |
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| Publication Number | Publication Date |
|---|---|
| CN112213034A true CN112213034A (en) | 2021-01-12 |
| CN112213034B CN112213034B (en) | 2024-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011183772.5A Active CN112213034B (en) | 2020-10-29 | 2020-10-29 | Static balancing device |
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| Country | Link |
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| CN (1) | CN112213034B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899496A (en) * | 2021-10-09 | 2022-01-07 | 上海卫星装备研究所 | Static balance adjusting and measuring device and method for space rotating mechanism |
| CN115717991A (en) * | 2022-11-14 | 2023-02-28 | 江顺精密机械装备科技江阴有限公司 | Device and method for detecting outer circle run-out and static balance of welded shaft |
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| CN208751788U (en) * | 2018-09-28 | 2019-04-16 | 重庆科奥风机制造有限公司 | A kind of draught fan impeller balancing machine |
| CN209310983U (en) * | 2019-01-25 | 2019-08-27 | 重庆宗申航空发动机制造有限公司 | A kind of propeller statical equilibrium detection device |
| CN209525053U (en) * | 2019-03-07 | 2019-10-22 | 苏州德弗朗空气控制技术有限公司 | Static balance apparatus for placing |
| CN213336626U (en) * | 2020-10-29 | 2021-06-01 | 南京高速齿轮制造有限公司 | Static balancing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208751788U (en) * | 2018-09-28 | 2019-04-16 | 重庆科奥风机制造有限公司 | A kind of draught fan impeller balancing machine |
| CN209310983U (en) * | 2019-01-25 | 2019-08-27 | 重庆宗申航空发动机制造有限公司 | A kind of propeller statical equilibrium detection device |
| CN209525053U (en) * | 2019-03-07 | 2019-10-22 | 苏州德弗朗空气控制技术有限公司 | Static balance apparatus for placing |
| CN213336626U (en) * | 2020-10-29 | 2021-06-01 | 南京高速齿轮制造有限公司 | Static balancing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899496A (en) * | 2021-10-09 | 2022-01-07 | 上海卫星装备研究所 | Static balance adjusting and measuring device and method for space rotating mechanism |
| CN113899496B (en) * | 2021-10-09 | 2024-04-09 | 上海卫星装备研究所 | Static balance adjustment and measurement device and method for space rotating mechanism |
| CN115717991A (en) * | 2022-11-14 | 2023-02-28 | 江顺精密机械装备科技江阴有限公司 | Device and method for detecting outer circle run-out and static balance of welded shaft |
| CN115717991B (en) * | 2022-11-14 | 2024-05-28 | 江顺精密机械装备科技江阴有限公司 | Device and method for detecting excircle runout and static balance of welding shaft |
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| Publication number | Publication date |
|---|---|
| CN112213034B (en) | 2024-09-10 |
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