CN111675082B - Tool lifting appliance for assembling gearbox planetary gear bearing and application method thereof - Google Patents
Tool lifting appliance for assembling gearbox planetary gear bearing and application method thereof Download PDFInfo
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- CN111675082B CN111675082B CN202010592266.5A CN202010592266A CN111675082B CN 111675082 B CN111675082 B CN 111675082B CN 202010592266 A CN202010592266 A CN 202010592266A CN 111675082 B CN111675082 B CN 111675082B
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- bearing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/108—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting parts of wind turbines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0062—Tools specially adapted for assembly of transmissions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The application provides a tool lifting appliance for assembling a gear box planetary wheel bearing, which consists of a left part and a right part, wherein each part consists of an upright post and a connecting rod. The upper end of the upright post is provided with a modified bolt which can adjust the extending length of the bolt so as to change the whole height of the upright post; the connecting rod is provided with a modified bolt, and the extending length of the bolt can be adjusted so as to change the whole length of the connecting rod. The extension amount of the adjusting bolt can be suitable for bearings of different types.
Description
Technical Field
The application relates to the technical field of tool lifting appliances of planetary gear bearings of wind power gearboxes, in particular to a tool lifting appliance for preventing a bearing from falling in a planetary gear lifting process without an outer ring bearing and NJ bearing parts.
Background
Firstly, a plurality of difficulties exist in the hoisting process of the planet wheel bearing: the hoisting device has no hoisting point and cannot be hoisted through a hoisting ring; because the bearing outer ring is matched with the inner hole of the planet wheel, a hanging belt cannot be used; because of the heavy weight of the bearings, manual handling presents an accident risk.
Secondly, with the development of wind power gearboxes to large megawatts, the planetary gear has no outer ring bearing, the inner ring, the retainer and the rolling body of the outer ring bearing are integrated, and the planetary gear and the bearing are separated and fall off in the lifting process of the planetary gear part. Planet wheel part dress of configuration NJ bearing, the inner circle does not have the flange side and is the face-to-face condition of arranging, and there is the problem that breaks away from dropping with the bearing in planet wheel part dress hoist and mount in-process bearing inner circle.
Thirdly, when the planet wheel part is assembled on the planet carrier, an auxiliary tool is needed to ensure that the bearing does not fall off in the whole assembly process, and meanwhile, the auxiliary tool cannot interfere with the bearing baffle on the planet carrier, so that the auxiliary tool can be conveniently disassembled after the assembly is completed.
Disclosure of Invention
According to the technical problem set forth above, a tooling lifting appliance for assembling a planetary gear bearing of a gear box is provided. The application adopts the following technical means:
a tooling lifting appliance for assembling a gear box planetary gear bearing, comprising:
a top bolt, a hoisting frame and a hoisting ring;
the hoisting frame is a rectangular frame formed by columnar rod bodies, namely, the hoisting frame consists of an upper cross rod and a lower cross rod which are transversely arranged and a vertical column I and a vertical column II which are longitudinally arranged;
the upper cross bar includes: the connecting rod I, the connecting rod II and the bolt II;
the bolt II is a modified inner hexagonal cylindrical screw, the diameter of the head of the bolt II is equal to the outer diameter of the connecting rod I, the length of the threaded part of the bolt II is smaller than that of the connecting rod I, and the rod body of the threaded part of the bolt II is matched with a threaded hole preset in the connecting rod I;
the connecting rod I and the connecting rod II are respectively fixed on the same height position of the upper ends of the upright post I and the upright post II;
the bottom rail includes: the connecting rod III, the connecting rod IV and the bolt III;
the connecting rod III and the connecting rod IV are respectively fixed on the same height position of the frightening end of the upright post I and the upright post II;
the connecting rod I and the connecting rod III are positioned on the same side of the upright post I, and the central axes of the connecting rod I and the connecting rod III are parallel to each other;
the connecting rod II and the connecting rod IV are positioned on the same side of the upright post II, and the central axes of the connecting rod II and the connecting rod IV are parallel to each other;
the bolt III is a hexagon head bolt, a section of head part far away from the threaded end is reformed into a section of small cylinder, the length of the threaded part is smaller than that of the connecting rod III, and a rod body of the threaded part is matched with a threaded hole preset in the connecting rod III;
the butt joint end of the small cylinder of the connecting rod IV and the bolt III is provided with a groove for embedding the small cylinder of the bolt III, and the part of the small cylinder embedded into the groove is in clearance fit with the groove;
the number of top bolts is corresponding to that of the upright posts, the top bolts are modified by hexagon socket head cap screws, and the lower end face of the head of the top bolts is processed into a concave cambered surface according to the size of a round angle on an inner hole of a bearing;
the top bolt is assembled in screw holes preset in the top ends of the upright posts I and II in a screw thread manner, and the central axis of the top bolt 1 is parallel to or coincident with the central axis of the assembled upright post;
the bottoms of the upright post I and the upright post II are provided with annular convex edges which extend radially, and the upper end surfaces of the annular convex edges are processed into concave cambered surfaces according to the round angle of the lower edge of the bearing inner hole;
the rings are of convex metal pieces, the upper ends of the rings are provided with hoisting holes, the lower ends of the rings are axially provided with through holes for the insertion of the connecting rods I, and the through holes are in clearance fit with the connecting rods I.
Further, the butt end of the small cylinder is a cambered surface.
The application method of the tooling lifting appliance for assembling the planetary gear bearing of the gear box comprises the following steps:
measuring the diameter of an outer ring and the diameter of an inner ring of a bearing, and measuring the depth of the outer ring and the inner ring of the bearing;
secondly, selecting a tool lifting appliance with a proper size range;
thirdly, assembling the selected working lifting appliance, adjusting the combined length of the connecting rod I and the bolt II and the combined length of the connecting rod III and the bolt III, enabling the diameter of an circumscribed circle of the upright post I and the upright post II after the tool combination to be equal to that of a tangential circle in a bearing rolling body, adjusting the combined length of the connecting rod I and the bolt II by screwing in and screwing out the bolt II by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III and the bolt III by using a wrench to unscrew in and screwing out the bolt III; according to the width of the bearing, the combined height of the upright post I and the top bolt and the combined height of the upright post II and the top bolt are adjusted, and the combined height of the upright post I and the top bolt and the combined height of the upright post II and the top bolt are adjusted by screwing in and screwing out the top bolt by using an inner hexagonal wrench, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; wherein, a top bolt, a connecting rod I, a bolt II, a column I, a connecting rod III and a bolt III are assembled into a whole; the other top bolt, the hanging ring, the connecting rod II, the connecting rod IV and the upright post II are assembled into a whole, a hand-held piece rotates by a certain angle by taking the upright post as an axis and is placed at the symmetrical position of the inner hole of the bearing, and the tool is rotated by taking the upright post as an axis, so that a small cylinder at the head of the bolt III is inserted into a groove of the connecting rod IV, and the hanging ring is moved to the middle position;
fourthly, hanging the tool and the bearing by the hook;
and fifthly, disassembling the tool lifting tool according to the reverse action of the third step.
The star wheel bearing assembly method of the tool lifting appliance for assembling the planetary wheel bearing of the gear box comprises the following steps:
firstly, installing a bearing outer ring and a rolling body, adjusting the combined length of a connecting rod I and a bolt II and the combined length of a connecting rod III and a bolt III, enabling the diameter of an circumscribed circle of a stand column I and a stand column II after the tool combination to be equal to that of a tangential circle in the bearing rolling body, adjusting the combined length of the connecting rod I and the bolt II by screwing in and screwing out the bolt II by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III and the bolt III by using a wrench to unscrew in and screwing out the bolt III; according to the width of the bearing, the combined height of the upright post I and the top bolt and the combined height of the upright post II and the top bolt are adjusted, and the combined height of the upright post I and the top bolt and the combined height of the upright post II and the top bolt are adjusted by screwing in and screwing out the top bolt by using an inner hexagonal wrench, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; wherein, a top bolt, a connecting rod I, a bolt II, a column I, a connecting rod III and a bolt III are assembled into a whole; the other top bolt, the hanging ring, the connecting rod II, the connecting rod IV and the upright post II are assembled into a whole, a hand-held piece rotates by a certain angle by taking the upright post as an axis and is placed at the symmetrical position of the inner hole of the bearing, the tool is rotated by taking the upright post as an axis, the small cylinder at the head of the bolt III is inserted into the groove of the connecting rod IV, the hanging ring is moved to the middle position, the hanging hook lifts the bearing, the bearing is stably fallen above the inner hole of the self-propelled star wheel, and then the tool lifting tool is detached according to the opposite actions;
installing an inner ring, adjusting the combined length of the connecting rod I and the bolt II and the combined length of the connecting rod III and the bolt III, enabling the circumscribed circle of the upright post I and the upright post II after the tooling combination to be equal to the diameter of the inner ring of the bearing, adjusting the combined length of the connecting rod I and the bolt II by screwing in and screwing out the bolt II by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III and the bolt III by screwing in and screwing out the bolt III by using a wrench; according to the width of the bearing, the combined height of the upright post I and the top bolt and the combined height of the upright post II and the top bolt are adjusted, and the combined height of the upright post I and the top bolt and the combined height of the upright post II and the top bolt are adjusted by screwing in and screwing out the top bolt by using an inner hexagonal wrench, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; the top bolt, the connecting rod I, the bolt II, the upright post I, the connecting rod III and the bolt III are assembled into a whole; the other top bolt, the hanging ring, the connecting rod II, the connecting rod IV and the upright post II are assembled into a whole, a hand-held piece rotates by a certain angle by taking the upright post as an axis and is placed at the symmetrical position of the inner hole of the bearing, the upright post is still taken as an axis to rotate the tool, the head of the bolt III is inserted into the hole of the connecting rod IV, the hanging ring is moved to the middle position, the bearing is hung by the hook, the bearing is stably dropped above the inner hole of the self-propelled star wheel, and then the tool lifting tool is detached according to the opposite action;
thirdly, hoisting the planetary gear part to a balance hook, adjusting the combined length of the connecting rod I and the bolt II and the combined length of the connecting rod III and the bolt III, enabling the circumscribed circle of the upright post I and the upright post II after the tool combination to be equal to the diameter of the bearing inner ring, adjusting the combined length of the connecting rod I and the bolt II by screwing in and screwing out the bolt II by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III and the bolt III by screwing in and screwing out the bolt III by using a wrench; according to the widths of the bearings, the combined height of the upright post I and the top bolt and the combined height of the upright post II and the top bolt are adjusted, and an inner hexagonal wrench is used for screwing in and screwing out the top bolt to adjust the combined height of the upright post I and the top bolt and the combined height of the upright post II and the top bolt, so that the combined height of the upright post and the bolt is equal to the sum of the widths of the two bearings and the distance ring; the top bolt, the connecting rod I, the bolt II, the upright post I, the connecting rod III and the bolt III are assembled into a whole; the other top bolt, the hanging ring, the connecting rod II, the connecting rod IV and the upright post II are assembled into a whole, a hand-held part is rotated by a certain angle by taking the upright post as an axis and is placed at the symmetrical position of the inner hole of the bearing, the upright post is still taken as an axis rotating tool, the head of the bolt III is inserted into the hole of the connecting rod IV, the hanging ring is moved to the middle position, and the hook lifts the planetary wheel part.
Step four, assembling a planetary gear part assembly as an auxiliary tool of a balance hook, installing a tool lifting appliance according to the step three in the assembly process, and matching with the balance hook for use, wherein the balance hook can ensure that a bearing does not fall off in the process of installing the planetary gear part assembly, and can not interfere with a planet carrier bearing baffle; and disassembling the tool lifting appliance according to the reverse action of the third step of the assembly process after the assembly is completed.
Compared with the prior art, the application has the following advantages:
1. frock simple structure, convenient operation
2. The universal planetary gear bearing is good in universality and applicable to all planetary gear bearing installation occasions.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a perspective view of the present application;
FIG. 3 is a perspective view of an outer ring and rolling element lifting of an NJ bearing according to an embodiment of the application;
FIG. 4 is a perspective view of an inner ring hoisting of an NJ bearing according to an embodiment of the application;
FIG. 5 is a schematic diagram of a star wheel assembly according to the present application;
FIG. 6 is a schematic diagram of an assembly of a planet carrier to which the present application is applied;
fig. 7 is a perspective view of an embodiment of the application without an outer ring bearing hoist.
In the figure: 1. a top bolt; 2. a connecting rod I; 3. a bolt II; 4. a hanging ring; 41. hoisting and drilling holes; 5. a connecting rod II; 6. a gear; 7. upright posts I; 8. a connecting rod III; 9. a bolt III; 10. a connecting rod IV; 11. a column II; 12. NJ cylindrical roller bearings; 13. a balance hook; 14. a planet wheel; 15. a tool lifting appliance; 16. a bearing; 17. a planet carrier;
a. a small cylinder;
b. embedding the groove;
d. annular convex edge.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
As shown in fig. 1 to 3, the present application provides a tooling lifting appliance for assembling a planetary gear bearing of a gear box, comprising:
a top bolt 1, a hoisting frame and a hoisting ring 4;
the hoisting frame is a rectangular frame formed by columnar rod bodies, namely, the hoisting frame consists of an upper cross rod and a lower cross rod which are transversely arranged, and a vertical column I7 and a vertical column II 11 which are longitudinally arranged;
the upper cross bar includes: connecting rod I2, connecting rod II 5 and bolt II 3;
the bolt II 3 is a hexagon socket head cylindrical screw, the diameter of the head of the bolt is equal to the outer diameter of the connecting rod I2, the length of a threaded part is smaller than that of the connecting rod I2, and the rod body of the threaded part is matched with a threaded hole preset in the connecting rod I2;
the connecting rod I2 and the connecting rod II 5 are respectively fixed on the same height position of the upper ends of the upright post I7 and the upright post II 11;
the bottom rail includes: connecting rod III 8, connecting rod IV 10 and bolt III 9;
the connecting rod III 8 and the connecting rod IV 10 are respectively fixed on the same height position of the scaring end of the upright post I7 and the upright post II 11;
the connecting rod I2 and the connecting rod III 8 are positioned on the same side of the upright post I7, and the central axes of the connecting rod I2 and the connecting rod III are parallel to each other;
the connecting rod II 5 and the connecting rod IV 10 are positioned on the same side of the upright post II 11, and the central axes of the connecting rod II 5 and the connecting rod IV 10 are parallel to each other;
the bolt III 9 is a hexagon head bolt, a section of head part far away from the threaded end is reformed into a section of small cylinder a, the length of the threaded part is smaller than that of the connecting rod III 8, and the rod body of the threaded part is matched with a screw hole preset in the connecting rod III 8;
the butt joint end of the connecting rod IV 10 and the small cylinder a of the bolt III 9 is provided with a groove b for embedding the small cylinder of the bolt III 9, and the part of the small cylinder a embedded into the groove b is in clearance fit with the groove b;
the number of the top bolts 1 is corresponding to that of the upright posts, the top bolts are modified by hexagon socket head cap screws, and the lower end face of the head of the top bolts is processed into a concave cambered surface according to the size of a round angle on an inner hole of a bearing;
the top bolt 1 is assembled in screw holes preset in the top ends of the upright posts I7 and II 11 in a screw manner, and the central axis of the top bolt 1 is parallel to or coincides with the central axis of the assembled upright posts;
the bottoms of the upright posts I7 and II 11 are provided with annular convex edges d which extend radially, and the upper end surfaces of the annular convex edges d are processed into concave cambered surfaces according to the size of round angles of the lower edges of the inner holes of the bearings;
the hanging ring 4 is a convex metal piece, the upper end is provided with a hanging drilling hole 41, the lower end is axially provided with a through hole for the insertion of the connecting rod I2, and the through hole is in clearance fit with the connecting rod I2.
Further, the butt end of the small cylinder a is a cambered surface.
The application method of the tooling lifting appliance for assembling the planetary gear bearing of the gear box comprises the following steps:
measuring the diameter of an outer ring and the diameter of an inner ring of a bearing, and measuring the depth of the outer ring and the inner ring of the bearing;
secondly, selecting a tool lifting appliance with a proper size range;
thirdly, assembling the selected working lifting tool, adjusting the combined length of the connecting rod I2 and the bolt II 3 and the combined length of the connecting rod III 8 and the bolt III 9, enabling the diameter of an circumscribed circle of the upright post I7 and the upright post II 11 after the tool combination to be equal to that of a tangential circle in a bearing rolling body, adjusting the combined length of the connecting rod I2 and the bolt II 3 by screwing in and screwing out the bolt II 3 by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III 8 and the bolt III 9 by screwing in and screwing out the bolt III 9 by using a wrench; according to the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1, an inner hexagonal wrench is used for screwing in and screwing out the top bolt 1 to adjust the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; wherein, a top bolt 1, a connecting rod I2, a bolt II 3, a column I7, a connecting rod III 8 and a bolt III 9 are assembled into a whole; the other top bolt 1, the hanging ring 4, the connecting rod II 5, the connecting rod IV 10 and the upright post II 11 are assembled into a whole, one hand is held, the other hand is rotated by a certain angle by taking the upright post as an axis and is placed at the symmetrical position of the inner hole of the bearing, and the tool is rotated by taking the upright post as an axis, so that a small cylinder a at the head of the bolt III 9 is inserted into a groove b of the connecting rod IV 10, and the hanging ring 4 is moved to the middle position;
fourthly, hanging the tool and the bearing by the hook;
and fifthly, disassembling the tool lifting tool according to the reverse action of the third step.
Taking a wind power generation gear box secondary planet wheel as an example, the use method is introduced according to the assembly sequence. The planetary gear part is composed of a gear 6 and two NJ cylindrical roller bearings 12, the non-gear sides of the two inner rings of the bearings are arranged face to face, and when the planetary gear part is hoisted by utilizing the planetary gear Kong Qidiao, the inner ring of the lower bearing can be separated from the bearing.
The star wheel bearing assembly method of the tool lifting appliance for assembling the planetary wheel bearing of the gear box comprises the following steps:
firstly, installing a bearing outer ring and a rolling body, as shown in fig. 3, adjusting the combined length of a connecting rod I2 and a bolt II 3 and the combined length of a connecting rod III 8 and a bolt III 9, enabling the diameter of an circumscribed circle of a stand column I7 and a stand column II 11 after the tool combination to be equal to that of a tangential circle in the bearing rolling body, adjusting the combined length of the connecting rod I2 and the bolt II 3 by screwing in and screwing out the bolt II 3 by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III 8 and the bolt III 9 by screwing in and screwing out the bolt III 9 by using a wrench; according to the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1, an inner hexagonal wrench is used for screwing in and screwing out the top bolt 1 to adjust the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; wherein, a top bolt 1, a connecting rod I2, a bolt II 3, a column I7, a connecting rod III 8 and a bolt III 9 are assembled into a whole; the other top bolt 1, the hanging ring 4, the connecting rod II 5, the connecting rod IV 10 and the upright post II 11 are assembled into a whole, one hand is held, the hand is rotated by a certain angle by taking the upright post as an axis and is put to the symmetrical position of the inner hole of the bearing, the tool is rotated by taking the upright post as an axis, the small cylinder a at the head of the bolt III 9 is inserted into the groove b of the connecting rod IV 10, the hanging ring 4 is moved to the middle position, the bearing is hung by a hook, the bearing is stably dropped above the inner hole of the self-propelled star wheel, and then the tool lifting tool is detached according to the opposite actions;
step two, installing an inner ring, as shown in fig. 4, adjusting the combined length of a connecting rod I2 and a bolt II 3 and the combined length of a connecting rod III 8 and a bolt III 9, enabling the diameter of an circumscribed circle of a stand column I7 and a stand column II 11 after the tool combination to be equal to that of the inner ring of a bearing, adjusting the combined length of the connecting rod I2 and the bolt II 3 by screwing in and screwing out the bolt II 3 by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III 8 and the bolt III 9 by screwing in and screwing out the bolt III 9 by using a wrench; according to the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1, an inner hexagonal wrench is used for screwing in and screwing out the top bolt 1 to adjust the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; the top bolt 1, the connecting rod I2, the bolt II 3, the upright post I7, the connecting rod III 8 and the bolt III 9 are assembled into a whole; the other top bolt 1, the hanging ring 4, the connecting rod II 5, the connecting rod IV 10 and the upright post II 11 are assembled into a whole, one hand is held, the other hand is rotated by a certain angle by taking the upright post as an axis and is put to the symmetrical position of the inner hole of the bearing, the tool is rotated by taking the upright post as an axis, the head of the bolt III 9 is inserted into the hole of the connecting rod IV 10, the hanging ring is moved to the middle position, the hanging hook lifts the bearing, the bearing is stably fallen above the inner hole of the self-star wheel, and then the tool lifting tool is detached according to the opposite actions;
thirdly, hoisting the planetary gear part to a balance hook, as shown in fig. 5, adjusting the combined length of a connecting rod I2 and a bolt II 3 and the combined length of a connecting rod III 8 and a bolt III 9, enabling the diameter of an circumscribed circle of a stand column I7 and a stand column II 11 after the tool combination to be equal to that of an inner ring of a bearing, adjusting the combined length of the connecting rod I2 and the bolt II 3 by screwing in and screwing out the bolt II 3 by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III 8 and the bolt III 9 by screwing in and screwing out the bolt III 9 by using a wrench; according to the width of the bearing, the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1 are adjusted by screwing in and screwing out the top bolt 1 by using an inner hexagonal wrench, and the combined height of the upright post and the bolt is ensured to be equal to the sum of the widths of the two bearings and the distance ring; the top bolt 1, the connecting rod I2, the bolt II 3, the upright post I7, the connecting rod III 8 and the bolt III 9 are assembled into a whole; the other top bolt 1, the hanging ring 4, the connecting rod II 5, the connecting rod IV 10 and the upright post II 11 are assembled into a whole, one hand is held, the hand is rotated by a certain angle by taking the upright post as an axis and is placed at the symmetrical position of the inner hole of the bearing, the upright post is still used as an axis to rotate the tool, the head of the bolt III 9 is inserted into the hole of the connecting rod IV 10, the hanging ring is moved to the middle position, and the hook is used for hanging the planetary wheel part.
Step four, as auxiliary tooling for the balance hook 13, assembling the planetary gear part assembly, as shown in fig. 6, mounting a tooling lifting appliance 15 according to the step three in the assembly process, and matching with the balance hook 13 for use, wherein the bearing 16 can be ensured not to fall off in the process of mounting the planetary gear 14 part assembly of the balance hook 13, and can not interfere with a bearing baffle of the planet carrier 17; and disassembling the tool lifting appliance according to the reverse action of the third step of the assembly process after the assembly is completed.
The tool of the application can also be applied to other planet wheel bearings, including non-outer ring bearings. The lifting method without the outer ring bearing is shown in fig. 7. The combined length of the connecting rod I2 and the bolt II 3 and the combined length of the connecting rod III 8 and the bolt III 9 are adjusted, so that the diameter of an circumscribed circle of the upright post I7 and the upright post II 11 after the tool combination is equal to that of an inner ring of a bearing, the combined length of the connecting rod I2 and the bolt II 3 is adjusted by screwing in and screwing out the bolt II 3 by using an inner hexagonal wrench, and the combined length of the connecting rod III 8 and the bolt III 9 is adjusted by screwing in and screwing out the bolt III 9 by using a wrench; according to the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1, an inner hexagonal wrench is used for screwing in and screwing out the top bolt 1 to adjust the combined height of the upright post I7 and the top bolt 1 and the combined height of the upright post II 11 and the top bolt 1, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; the top bolt 1, the connecting rod I2, the bolt II 3, the upright post I7, the connecting rod III 8 and the bolt III 9 are assembled into a whole; the other top bolt 1, the hanging ring 4, the connecting rod II 5, the connecting rod IV 10 and the upright post II 11 are assembled into a whole, one hand-held tool is rotated by taking the upright post as an axis to a certain angle and placed at the symmetrical position of the inner hole of the bearing, the upright post is still taken as an axis to rotate the tool, the head of the bolt III 9 is inserted into the hole of the connecting rod IV 10, the hanging ring is moved to the middle position, the hanging hook lifts the bearing, the bearing is stably fallen above the inner hole of the self-propelled star wheel to be installed in place, and then the tool lifting tool is detached according to the opposite actions.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (3)
1. Frock hoist is used in assembly of gear box planet wheel bearing, characterized in that includes:
a top bolt (1), a hoisting frame and a hoisting ring (4);
the hoisting frame is a rectangular frame formed by columnar rod bodies, namely, the hoisting frame consists of an upper cross rod and a lower cross rod which are transversely arranged, and a vertical column I (7) and a vertical column II (11) which are longitudinally arranged;
the upper cross bar includes: the connecting rod I (2), the connecting rod II (5) and the bolt II (3);
the bolt II (3) is a hexagon socket head screw, the diameter of the head of the bolt II is equal to the outer diameter of the connecting rod I (2), the length of a threaded part is smaller than that of the connecting rod I (2), and the rod body of the threaded part is matched with a screw hole preset in the connecting rod I (2);
the connecting rod I (2) and the connecting rod II (5) are respectively fixed on the same height position of the upper ends of the upright post I (7) and the upright post II (11);
the bottom rail includes: the connecting rod III (8), the connecting rod IV (10) and the bolt III (9);
the connecting rod III (8) and the connecting rod IV (10) are respectively fixed on the same height position of the scaring end of the upright post I (7) and the upright post II (11);
the connecting rod I (2) and the connecting rod III (8) are positioned on the same side of the upright post I (7), and the central axes of the connecting rod I and the connecting rod III are parallel to each other;
the connecting rod II (5) and the connecting rod IV (10) are positioned on the same side of the upright post II (11), and the central axes of the connecting rod II and the connecting rod IV are parallel to each other;
the bolt III (9) is a hexagon head bolt, a section of head far away from the threaded end is reformed into a section of small cylinder (a), the length of the threaded part is smaller than that of the connecting rod III (8), and the rod body of the threaded part is matched with a screw hole preset in the connecting rod III (8);
the butt joint end of the connecting rod IV (10) and the small cylinder (a) of the bolt III (9) is provided with a groove (b) for embedding the small cylinder of the bolt III (9), and the part of the small cylinder (a) embedded into the groove (b) is in clearance fit with the groove (b);
the number of the top bolts (1) is corresponding to that of the upright posts, the top bolts are modified by hexagon socket head cap screws, and the lower end face of the head of the top bolts is processed into a concave cambered surface according to the size of a round angle on an inner hole of a bearing;
the top bolt (1) is in threaded fit with screw holes preset in the top ends of the upright posts I (7) and the upright posts II (11), and the central axis of the top bolt (1) is parallel or coincident with the central axis of the assembled upright posts;
the bottoms of the upright post I (7) and the upright post II (11) are provided with annular convex edges (d) which extend radially, and the upper end surfaces of the annular convex edges (d) are processed into concave cambered surfaces according to the size of round angles of the lower edges of the inner holes of the bearings;
the lifting ring (4) is a convex metal piece, the upper end of the lifting ring is provided with a lifting drilling hole (41), the lower end of the lifting ring is axially provided with a through hole for the insertion of the connecting rod I (2), and the through hole is in clearance fit with the connecting rod I (2).
2. The method of using a tooling sling for assembling a planetary gear bearing of a gearbox according to claim 1, comprising the steps of:
measuring the diameter of an outer ring and the diameter of an inner ring of a bearing, and measuring the depth of the outer ring and the inner ring of the bearing;
secondly, selecting a tool lifting appliance with a proper size range;
thirdly, assembling the selected working lifting tool, adjusting the combined length of the connecting rod I (2) and the bolt II (3) and the combined length of the connecting rod III (8) and the bolt III (9), enabling the tangential circle of the outer circle of the upright post I (7) and the upright post II (11) after the tool assembly to be equal to the tangential circle diameter of the bearing rolling body, adjusting the combined length of the connecting rod I (2) and the bolt II (3) by screwing in and screwing out the bolt II (3) by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III (8) and the bolt III (9) by screwing in and screwing out the bolt III (9) by using a wrench; according to the combined height of the upright post I (7) and the top bolt (1) and the combined height of the upright post II (11) and the top bolt (1), the combined height of the upright post I (7) and the top bolt (1) and the combined height of the upright post II (11) and the top bolt (1) are adjusted by screwing in and screwing out the top bolt (1) by using an inner hexagonal wrench, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; wherein, a top bolt (1), a connecting rod I (2), a bolt II (3), a column I (7), a connecting rod III (8) and a bolt III (9) are assembled into a whole; the other top bolt (1), the hanging ring (4), the connecting rod II (5), the connecting rod IV (10) and the upright post II (11) are assembled into a whole, one hand is rotated by a certain angle by taking the upright post as an axis and is put to the symmetrical position of the inner hole of the bearing, and the upright post is still taken as an axis to rotate the tool, so that a small cylinder (a) at the head of the bolt III (9) is inserted into a groove (b) of the connecting rod IV (10), and the hanging ring (4) is moved to the middle position;
fourthly, hanging the tool and the bearing by the hook;
and fifthly, disassembling the tool lifting tool according to the reverse action of the third step.
3. The star wheel bearing assembly method using the tooling sling for assembling a gear box planetary wheel bearing according to claim 1, comprising the following steps:
firstly, installing a bearing outer ring and a rolling body, adjusting the combined length of a connecting rod I (2) and a bolt II (3) and the combined length of a connecting rod III (8) and a bolt III (9), enabling the tangential diameters of the outer circles of a post I (7) and a post II (11) after the tool combination to be equal to the tangential diameters of the bearing rolling body, adjusting the combined length of the connecting rod I (2) and the bolt II (3) by screwing in and screwing out the bolt II (3) by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III (8) and the bolt III (9) by screwing in and screwing out the bolt III (9) by using a wrench; according to the combined height of the upright post I (7) and the top bolt (1) and the combined height of the upright post II (11) and the top bolt (1), the combined height of the upright post I (7) and the top bolt (1) and the combined height of the upright post II (11) and the top bolt (1) are adjusted by screwing in and screwing out the top bolt (1) by using an inner hexagonal wrench, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; wherein, a top bolt (1), a connecting rod I (2), a bolt II (3), a column I (7), a connecting rod III (8) and a bolt III (9) are assembled into a whole; the other top bolt (1), the hanging ring (4), the connecting rod II (5), the connecting rod IV (10) and the upright post II (11) are assembled into a whole, one hand is held and the other hand is rotated by a certain angle by taking the upright post as an axis to be placed at the symmetrical position of the inner hole of the bearing, the tool is rotated by taking the upright post as an axis, the small cylinder (a) at the head of the bolt III (9) is inserted into the groove (b) of the connecting rod IV (10), the hanging ring (4) is moved to the middle position, the hanging hook lifts the bearing, and after the bearing is stably fallen above the inner hole of the self-propelled star wheel, the tool lifting tool is detached according to the opposite actions;
installing an inner ring, adjusting the combined length of the connecting rod I (2) and the bolt II (3) and the combined length of the connecting rod III (8) and the bolt III (9), enabling the diameter of an circumscribed circle of the upright post I (7) and the upright post II (11) after the tool combination to be equal to that of an inner ring of a bearing, adjusting the combined length of the connecting rod I (2) and the bolt II (3) by screwing in and screwing out the bolt II (3) by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III (8) and the bolt III (9) by screwing in and screwing out the bolt III (9) by using a wrench; according to the combined height of the upright post I (7) and the top bolt (1) and the combined height of the upright post II (11) and the top bolt (1), the combined height of the upright post I (7) and the top bolt (1) and the combined height of the upright post II (11) and the top bolt (1) are adjusted by screwing in and screwing out the top bolt (1) by using an inner hexagonal wrench, so that the combined height of the upright post and the bolt is not smaller than the width of the bearing; the top bolt (1), the connecting rod I (2), the bolt II (3), the upright post I (7), the connecting rod III (8) and the bolt III (9) are assembled into a whole; the other top bolt (1), the hanging ring (4), the connecting rod II (5), the connecting rod IV (10) and the upright post II (11) are assembled into a whole, one hand-held piece is rotated by a certain angle by taking the upright post as an axis and is put to the symmetrical position of the inner hole of the bearing, the tool is rotated by taking the upright post as an axis, the head of the bolt III (9) is inserted into the hole of the connecting rod IV (10), the hanging ring is moved to the middle position, the hanging hook lifts the bearing, and after the bearing is stably fallen above the inner hole of the self-propelled star wheel, the tool lifting tool is detached according to the opposite actions;
thirdly, hoisting the planetary gear part to a balance hook, adjusting the combined length of a connecting rod I (2) and a bolt II (3) and the combined length of a connecting rod III (8) and a bolt III (9), enabling the circumscribed circle of a post I (7) and a post II (11) after the tool combination to be equal to the diameter of an inner ring of a bearing, adjusting the combined length of the connecting rod I (2) and the bolt II (3) by screwing in and screwing out the bolt II (3) by using an inner hexagonal wrench, and adjusting the combined length of the connecting rod III (8) and the bolt III (9) by screwing in and screwing out the bolt III (9) by using a wrench; according to the combined height of the upright post I (7) and the top bolt (1) and the combined height of the upright post II (11) and the top bolt (1), the combined height of the upright post I (7) and the top bolt (1) and the combined height of the upright post II (11) and the top bolt (1) are adjusted by screwing in and screwing out the top bolt (1) by using an inner hexagonal wrench, and the combined height of the upright post and the bolt is ensured to be equal to the sum of the widths of the two bearings and the distance ring; the top bolt (1), the connecting rod I (2), the bolt II (3), the upright post I (7), the connecting rod III (8) and the bolt III (9) are assembled into a whole; the other top bolt (1), the hanging ring (4), the connecting rod II (5), the connecting rod IV (10) and the upright post II (11) are assembled into a whole, one hand is held, the other hand is rotated by a certain angle by taking the upright post as an axis and is placed at the symmetrical position of the inner hole of the bearing, the upright post is still taken as an axis to rotate the tool, the head part of the bolt (III) is inserted into the hole of the connecting rod IV, the hanging ring is moved to the middle position, and the hook lifts the planetary wheel part;
step four, as auxiliary tooling assembly of the balance hook (13), the planetary gear part assembly is assembled, the tooling lifting tool (15) is assembled according to the step three in the assembly process and is matched with the balance hook (13), the bearing (16) can be prevented from falling off in the assembly process of the planetary gear (14) part assembly of the balance hook (13), and the bearing baffle of the planet carrier (17) can be prevented from interfering; and disassembling the tool lifting appliance according to the reverse action of the third step of the assembly process after the assembly is completed.
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