CN216504845U - Tool for mounting wind power gear box self-aligning roller bearing on tower - Google Patents
Tool for mounting wind power gear box self-aligning roller bearing on tower Download PDFInfo
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- CN216504845U CN216504845U CN202123391220.6U CN202123391220U CN216504845U CN 216504845 U CN216504845 U CN 216504845U CN 202123391220 U CN202123391220 U CN 202123391220U CN 216504845 U CN216504845 U CN 216504845U
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Abstract
The utility model provides a tool for mounting a wind power gear box self-aligning roller bearing on a tower, which is characterized in that: the two mounting screws are arranged on two screw holes formed in the outer end face of the gear shaft in a threaded manner; the guide plate is a frustum body, and the diameter of the large-diameter end of the guide plate is smaller than that of the shaft neck of the gear shaft; the two mounting screws penetrate through the two through holes of the guide plate, and the large-diameter end of the guide plate leans against the outer end face of the gear shaft; the nut is screwed on the mounting screw rod and props against the guide plate to fix the guide plate on the outer end face of the gear shaft; the coaxial fixing plate is provided with a coaxial central through hole and a ring groove; the outer end face of the bearing is inserted into the ring groove, and the ring groove of the coaxial fixing plate is in clearance fit with the bearing; three through holes on the spigot pressing plate respectively penetrate through the central guide screw and the two mounting screws, and the spigot is clamped on the central through hole of the coaxial fixing plate; the two nuts are respectively screwed on the two mounting screws and pressed on the outer end face of the spigot pressing plate. The utility model ensures the coaxiality and improves the installation efficiency.
Description
Technical Field
The utility model relates to the field of tools, in particular to a tool for installing a wind power gear box self-aligning roller bearing.
Background
The current wind power gear box self-aligning roller bearing damages, the trouble condition is more, and the position of installation self-aligning roller bearing often is located intermediate speed and low-speed motor side position simultaneously, under the condition of not opening the box, can't demolish whole shafting and install, and the box operation of opening on the wind power generator tower is complicated simultaneously. Need study not unpack and change the bearing, after dismantling self-aligning roller bearing, whole gear shaft can take place the slope owing to lack the location of bearing, and the inner and outer lane is integrative in self-aligning roller bearing itself simultaneously, and the inner and outer lane can take place the slope, and is great to the installation degree of difficulty of installation self-aligning roller bearing.
The prior art can carry out the unpacking operation to some wind-powered electricity generation gear boxes, and the shortcoming again with the required unpacking change tool frock of operation many, required operating personnel are many, operating time is long, and some wind-powered electricity generation gear boxes can't carry out unpacking operation on the tower owing to receive the structural constraint of own in addition
SUMMERY OF THE UTILITY MODEL
The utility model provides a tool for mounting a wind power gear box self-aligning roller bearing on a tower, and aims to solve the defects of the prior art, ensure the coaxiality and improve the mounting efficiency.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a frock of installation wind-powered electricity generation gear box self-aligning roller bearing on tower which characterized in that:
the two mounting screws are arranged on two screw holes formed in the outer end face of the gear shaft in a threaded manner;
the guide plate is a frustum body, and the diameter of the large-diameter end of the guide plate is smaller than that of the shaft neck of the gear shaft;
the two mounting screws penetrate through the two through holes of the guide plate, and the large-diameter end of the guide plate leans against the outer end face of the gear shaft;
the nut is screwed on the mounting screw rod and props against the small-diameter end of the guide plate to fix the guide plate on the outer end face of the gear shaft;
the central guide screw is screwed on a screw hole formed on the outer end surface of the gear shaft on the axis and penetrates through a central through hole of the guide plate;
the coaxial fixing plate is provided with a coaxial central through hole and a ring groove;
the outer end face of the bearing is inserted into the ring groove, and the ring groove of the coaxial fixing plate is in clearance fit with the bearing;
the two outer guide screws are screwed on two screw holes formed in the outer end face of the box body and penetrate through two through holes of the coaxial fixing plate;
three through holes on the spigot pressing plate respectively penetrate through the central guide screw and the two mounting screws, and the spigot is clamped on the central through hole of the coaxial fixing plate;
the two nuts are respectively screwed on the two mounting screws and pressed on the outer end face of the spigot pressing plate.
The mounting guide screw penetrates through a hollow hydraulic jack, the hollow hydraulic jack abuts against the outer end face of the spigot pressing plate, and three through holes of the end face plate respectively penetrate through the central guide screw and the two mounting screws; the two nuts are respectively screwed on the two mounting screws and pressed on the outer end face of the end face plate.
After the outer end face of the bearing is separated from the annular groove, an annular adjusting pad is placed in the annular groove of the coaxial fixing plate in the annular groove, and the adjusting pad is pressed on the outer end face of the bearing.
The diameter of the inner ring and the outer ring of the ring formed by the adjusting pad is consistent with that of the bearing, the thickness of the inner ring and the outer ring of the adjusting pad is consistent with that of the ring groove of the coaxial fixing plate, and the inner ring and the outer ring of the adjusting pad are in clearance fit with the ring groove of the coaxial fixing plate.
The adjusting pad is four petals which are evenly distributed on the circumference.
The bolt penetrates through the through hole of the coaxial fixing plate and then is screwed into the screw hole on the outer end face of the adjusting pad, and the adjusting pad is fixed with the coaxial fixing plate.
Two screw holes arranged on the outer end surface of the gear shaft are symmetrical relative to the axis of the gear shaft.
Two screw holes formed on the outer end face of the box body are symmetrical relative to the axis of the bearing hole.
The utility model has the advantages that:
1. the utility model aims at the design of the installation tool of the aligning roller bearing of the wind power gear box, and can realize the installation of the aligning roller bearing at the motor side of the gear box on the wind power generator set tower.
2. According to the design of the coaxial fixing plate, the guide plate and the spigot pressing plate, the gear shaft and the box body can be adjusted to be coaxial, the inner ring and the outer ring of the bearing are stressed at the same time, and the bearing is prevented from being damaged by violent installation.
In the installation process, the manual operation and the hydraulic jack installation mode are used for switching, and the installation operation is finished with high quality and high efficiency.
3. The design of the utility model ensures uniform stress in the bearing installation process by controlling the nut moments symmetrical on two sides, effectively ensures the in-place installation of the bearing inner ring, and reduces the influence of the skill level of an operator on the bearing installation.
4. The utility model relates to a frock simple structure, processing and assembly cost are low, portable.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a tool of the present invention in use;
FIG. 2 is a schematic view of a second use state of the tool of the present invention;
FIG. 3 is a schematic view of the tool of the present invention in a use state;
FIG. 4 is a fourth schematic view of the tool of the present invention in use;
FIG. 5 is a schematic view showing a fifth working condition of the tool according to the present invention;
FIG. 6 is a sixth schematic view of the tool of the present invention in use;
FIG. 7 is a seventh schematic view illustrating a use state of the tool according to the present invention;
fig. 8 is an enlarged view of a portion a of fig. 1.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, the terms "upper," "lower," "inner," "outer," "bottom," and the like are used in an orientation or positional relationship that is based on the orientation or positional relationship as shown in the figures, which is for ease of description and simplicity of description only, and is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus, is not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the first use state of the tool:
two mounting screws 8 are screwed on two screw holes which are arranged on the outer end surface of the gear shaft 1 and are symmetrical relative to the axis of the gear shaft 1.
As shown in fig. 8: the guide plate 4 is a frustum, i.e. its outer wall is a conical surface with a taper, and the diameter of its large diameter end 41 is slightly smaller than the diameter of the journal of the gear shaft 1.
Two mounting screws 8 are passed through two through holes of the guide plate 4, and the large-diameter end 41 of the guide plate 4 is abutted against the outer end face of the gear shaft 1.
The nut 11 is screwed on the mounting screw 8 and abuts against the small-diameter end of the guide plate 4, and the nut 11 is tightened to fix the guide plate 4 on the outer end face of the gear shaft 1.
The central guide screw 9 is screwed on a screw hole formed on the outer end surface of the gear shaft 1 on the axis and passes through the central through hole of the guide plate 4.
The coaxial fixing plate 3 has a central through hole 31 and a ring groove 32 which are coaxial.
The inner and outer rings of the bearing 2 are simultaneously stressed, the outer end face of the bearing 2 is inserted into the annular groove 32, the bearing 2 is installed on the coaxial fixing plate 3, the inner diameter and the outer diameter of the annular groove 32 of the coaxial fixing plate 3 are designed according to the size of the bearing 2, the inner ring and the outer ring of the bearing 2 are in small clearance fit with the annular groove 32, and the inner ring and the outer ring of the self-aligning roller bearing 2 can be adjusted to be coaxial.
The two outer guide screws 10 are screwed on screw holes which are formed on the outer end surface of the box 100 and are symmetrical with respect to the axis of the bearing hole 101.
Two outer lead screws 10 pass through two through holes of the coaxial fixing plate 3.
Three through holes on the spigot pressing plate 5 respectively penetrate through the central guide screw 9 and the two mounting screws 8, the spigot 51 is clamped on the central through hole 31 of the coaxial fixing plate 3, and at the moment, the bearing hole 101 of the box body 100, the gear shaft 1 and the inner and outer rings of the bearing 2 are adjusted to be coaxial.
Two nuts 12 are respectively screwed on the two mounting screws 8, and the two nuts 12 are pressed on the outer end face of the spigot pressing plate 5.
As shown in fig. 2, the tool is in a second use state:
the nut 12 is symmetrically screwed according to the torque, the nut 12 presses the spigot pressing plate 5 leftwards, the spigot pressing plate 5 presses the coaxial fixing plate 3 leftwards, the coaxial fixing plate 3 presses the bearing 2 leftwards, the bearing 2 slowly penetrates through the guide plate 4 until the inner ring of the bearing 2 is sleeved on the gear shaft 1, and the outer ring of the bearing 2 enters the bearing hole 101 of the box body 100.
In the process, the central guide screw 9 plays a role in guiding the spigot pressing plate 5, the outer guide screw 10 plays a role in guiding the coaxial fixing plate 3, and the outer side wall of the conical surface of the guide plate 4 plays a role in guiding the inner ring of the bearing 2.
The tool in use state three as shown in fig. 3:
the installation guide screw 9 penetrates through a hollow hydraulic jack 6, the hollow hydraulic jack 6 abuts against the outer end face of the spigot pressing plate 5, three through holes of the end face plate 6 penetrate through the central guide screw 9 and the two installation screws 8 respectively, the two nuts 13 are arranged on the two installation screws 8 in a threaded mode respectively, and the two nuts 13 are pressed on the outer end face of the end face plate 7.
The tool is in a fourth use state as shown in fig. 4:
the nuts 13 are symmetrically torqued to press the end plate 7 against the hollow hydraulic jack 6.
Slowly driving a hollow hydraulic jack 6, pressing a spigot pressing plate 5 to the left by the hollow hydraulic jack 6, pressing a coaxial fixing plate 3 to the left by the spigot pressing plate 5, pressing a bearing 2 to the left by the coaxial fixing plate 3, sleeving an inner ring of the bearing 2 on a gear shaft 1, and enabling an outer ring of the bearing 2 to enter a bearing hole 101 of a box body 100.
Until the coaxial fixing plate 3 is limited, namely the inner end surface of the coaxial fixing plate 3 is contacted with the outer end surface of the guide plate 4, the left movement cannot be continued, and at this time, the hollow hydraulic jack 6 is loosened.
The tool is used in a fifth state as shown in fig. 5:
the coaxial fixing plate 3 is separated from the bearing 2, the adjusting pad 14 is placed in the annular groove 32 of the coaxial fixing plate 3, the adjusting pad 14 is a four-piece valve body with the circumference uniformly distributed, the diameter of the inner ring and the outer ring of a ring formed by the adjusting pad 14 is consistent with that of the bearing 2, the thickness of the inner ring and the outer ring of the adjusting pad 14 is consistent with that of the annular groove 32 of the coaxial fixing plate 3, the adjusting pad 14 is a four-piece split part formed by cutting one ring, the tool can be prevented from being mounted again after being dismounted, the mounting effect is guaranteed at the same time, the adjusting pad 14 is fixed with the coaxial fixing plate 13 by screwing the bolt 15 into a screw hole on the outer end face of the adjusting pad 14 after penetrating through a through hole of the coaxial fixing plate 3, and the adjusting pad 14 is pressed on the outer end face of the bearing 2.
As shown in fig. 6, the tool is in a sixth use state:
slowly driving the hollow hydraulic jack 6 again, pressing the spigot pressing plate 5 leftwards by the hollow hydraulic jack 6, pressing the coaxial fixing plate 3 leftwards by the spigot pressing plate 5, pressing the adjusting pad 14 leftwards by the coaxial fixing plate 3, pressing the bearing 2 leftwards by the adjusting pad, sleeving the inner ring of the bearing 2 on the gear shaft 1, and enabling the outer ring of the bearing 2 to enter the bearing hole 101 of the box body 100. And stopping driving the hollow hydraulic jack 6 until a gap of 5mm is left between the bearing inner ring and the shaft shoulder 1' of the gear shaft 1.
The tool is in a seventh use state as shown in fig. 7:
and taking down the nut 13, the end plate 7 and the hollow hydraulic jack 6.
The nut 12 is symmetrically screwed according to the torque by using a wrench, the nut 12 presses the spigot pressing plate 5 leftwards, the spigot pressing plate 5 presses the coaxial fixing plate 3 leftwards, the coaxial fixing plate 3 presses the bearing 2 leftwards until an inner ring of the bearing 2 is attached to a shaft shoulder 1' of the gear shaft 1, a clearance is measured by using a clearance gauge, the operation is stopped after the requirement is met, and the tool is disassembled.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a frock of installation wind-powered electricity generation gear box self-aligning roller bearing on tower which characterized in that: the two mounting screws are arranged on two screw holes formed in the outer end face of the gear shaft in a threaded manner; the guide plate is a frustum body, and the diameter of the large-diameter end of the guide plate is smaller than that of the shaft neck of the gear shaft; the two mounting screws penetrate through the two through holes of the guide plate, and the large-diameter end of the guide plate leans against the outer end face of the gear shaft; the nut is screwed on the mounting screw rod and props against the small-diameter end of the guide plate to fix the guide plate on the outer end face of the gear shaft; the central guide screw is screwed on a screw hole formed on the outer end surface of the gear shaft on the axis and penetrates through the central through hole of the guide plate; the coaxial fixing plate is provided with a coaxial central through hole and a ring groove; the outer end face of the bearing is inserted into the ring groove, and the ring groove of the coaxial fixing plate is in clearance fit with the bearing; the two outer guide screws are screwed on two screw holes formed in the outer end face of the box body and penetrate through two through holes of the coaxial fixing plate; three through holes on the spigot pressing plate respectively penetrate through the central guide screw and the two mounting screws, and the spigot is clamped on the central through hole of the coaxial fixing plate; the two nuts are respectively screwed on the two mounting screws and pressed on the outer end face of the spigot pressing plate.
2. The tool for mounting the self-aligning roller bearing of the wind power gear box on the tower as claimed in claim 1, characterized in that: the mounting guide screw penetrates through a hollow hydraulic jack, the hollow hydraulic jack abuts against the outer end face of the spigot pressing plate, and three through holes of the end face plate respectively penetrate through the central guide screw and the two mounting screws; the two nuts are respectively screwed on the two mounting screws and pressed on the outer end face of the end face plate.
3. The tool for mounting the self-aligning roller bearing of the wind power gear box on the tower as claimed in claim 2, wherein: after the outer end face of the bearing is separated from the annular groove, an annular adjusting pad is placed in the annular groove of the coaxial fixing plate in the annular groove, and the adjusting pad is pressed on the outer end face of the bearing.
4. The tool for mounting the self-aligning roller bearing of the wind power gear box on the tower as claimed in claim 3, wherein: the diameter of the inner ring and the outer ring of the ring formed by the adjusting pad is consistent with that of the bearing, the thickness of the inner ring and the outer ring of the adjusting pad is consistent with that of the ring groove of the coaxial fixing plate, and the inner ring and the outer ring of the adjusting pad are in clearance fit with the ring groove of the coaxial fixing plate.
5. The tool for mounting the self-aligning roller bearing of the wind power gear box on the tower as claimed in claim 3, wherein: the adjusting pad is four petals which are evenly distributed on the circumference.
6. The tool for mounting the self-aligning roller bearing of the wind power gear box on the tower as claimed in claim 3, wherein: the bolt penetrates through the through hole of the coaxial fixing plate and then is screwed into the screw hole on the outer end face of the adjusting pad, and the adjusting pad is fixed with the coaxial fixing plate.
7. The tool for mounting the self-aligning roller bearing of the wind power gear box on the tower as claimed in claim 1, wherein: two screw holes arranged on the outer end surface of the gear shaft are symmetrical relative to the axis of the gear shaft.
8. The tool for mounting the self-aligning roller bearing of the wind power gear box on the tower as claimed in claim 1, wherein: two screw holes formed on the outer end face of the box body are symmetrical relative to the axis of the bearing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123391220.6U CN216504845U (en) | 2021-12-29 | 2021-12-29 | Tool for mounting wind power gear box self-aligning roller bearing on tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123391220.6U CN216504845U (en) | 2021-12-29 | 2021-12-29 | Tool for mounting wind power gear box self-aligning roller bearing on tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216504845U true CN216504845U (en) | 2022-05-13 |
Family
ID=81513229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123391220.6U Active CN216504845U (en) | 2021-12-29 | 2021-12-29 | Tool for mounting wind power gear box self-aligning roller bearing on tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216504845U (en) |
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2021
- 2021-12-29 CN CN202123391220.6U patent/CN216504845U/en active Active
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