CN219649778U - Tool for disassembling free turbine rotor fulcrum part - Google Patents
Tool for disassembling free turbine rotor fulcrum part Download PDFInfo
- Publication number
- CN219649778U CN219649778U CN202321234032.9U CN202321234032U CN219649778U CN 219649778 U CN219649778 U CN 219649778U CN 202321234032 U CN202321234032 U CN 202321234032U CN 219649778 U CN219649778 U CN 219649778U
- Authority
- CN
- China
- Prior art keywords
- puller
- fulcrum
- turbine rotor
- free turbine
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Automatic Assembly (AREA)
Abstract
The utility model discloses a tool for disassembling a free turbine rotor fulcrum part, which comprises a base for providing a rotor fixing surface, a bracket arranged on the base, and further comprises: the spline anti-rotation sleeve is arranged on the guide post of the bracket and used for preventing the spline shaft from rotating; the mounting seat is arranged on the guide post of the bracket and used for mounting the torque multiplier; a puller for removing the fulcrum piece; one end of the spline shaft is configured to be inserted into a turbine shaft of the rotor, and the other end of the spline shaft is connected with the mounting seat through the puller; the upper end of the puller is connected with the mounting seat, and the lower end of the puller is attached to the fulcrum bearing to be detached. The utility model provides a tool for disassembling a fulcrum part of a free turbine rotor, which adopts reverse thinking, and when equipment parts are disassembled, a spline shaft on the free turbine rotor is kept motionless, a cage-shaped puller is used for replacing the former high-load heavy knocking operation to take out the fulcrum part, and a torque multiplier is arranged to enable the disassembling work to be more labor-saving.
Description
Technical Field
The utility model relates to the field of rotor assembly. More particularly, the present utility model relates to a tooling for disassembling a free turbine rotor fulcrum piece.
Background
Before dynamic balance, the free turbine rotor of the engine is required to be provided with an IV fulcrum part and a V fulcrum part (an IV fulcrum bearing inner ring bushing, an IV fulcrum bearing, an IV fulcrum nut, a V fulcrum spur gear, a V fulcrum bearing, a nut and the like), after the rotor is balanced, the nuts are loosened in sequence, the fulcrum parts are pulled out, and each rotor is required to be balanced in a single stage and overall twice, so that the two fulcrum parts are required to be disassembled and assembled.
In the process of decomposing the fulcrum parts, the fulcrum parts are disassembled in the mode of knocking by using an extra-large wood hammer in the prior art, and the disassembling technology has the following defects: because the compactness is larger when the fulcrum part is matched with other parts, a manual knocking mode is adopted, and the knocking operation process has the problems of high load and heavy work; of course, a pulling device is also adopted in the prior art to reduce the labor-intensive work, but the following disadvantages still exist in the mode:
firstly, when a puller spanner rod is rotated, the moment required is very large, a workbench is unstable, and the moment control is inaccurate;
secondly, the whole operation process needs to be operated by multiple persons, one person rotates the puller spanner, and the other person presses the free turbine rotor stop tool, so that the whole operation process is tedious and laborious.
Disclosure of Invention
It is an object of the present utility model to address the above problems and/or disadvantages and to provide advantages which will be described below.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a tool for removing a free turbine rotor fulcrum feature, comprising a base providing a rotor fixing surface, a bracket provided on the base, further comprising:
the spline anti-rotation sleeve is arranged on the guide post of the bracket and used for preventing the spline shaft from rotating, and a special-shaped positioning hole is formed in the center of the spline anti-rotation sleeve;
the mounting seat is arranged on the guide post of the bracket and used for mounting the torque multiplier;
a puller for removing the fulcrum piece;
one end of the spline shaft is configured to be inserted into a turbine shaft of the rotor, and the other end of the spline shaft abuts against a connecting end of the torque multiplier penetrating through a center positioning hole of the mounting seat;
the upper end of the puller is connected with the mounting seat, and the lower end of the puller is attached to the fulcrum bearing to be detached.
Preferably, the puller is configured to employ a cage puller.
Preferably, the spline anti-rotation sleeve is arranged to be in clearance fit at one end matched with the guide post.
Preferably, the mounting seat is provided with a central positioning hole at one end matched with the torque multiplier.
Preferably, the base is provided with a fixing groove matched with an external structure of the base at one side matched with the free turbine rotor.
The utility model at least comprises the following beneficial effects: according to the utility model, reverse thinking is adopted, when equipment parts are disassembled, the spline shaft on the free turbine rotor is kept motionless, the cage-shaped puller is used for replacing the former high-load heavy knocking operation to take out the fulcrum parts, and the torque multiplier is arranged, so that the disassembly work is more labor-saving.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of the construction of the present utility model with the fulcrum feature removed;
FIG. 2 is a schematic view of a spline shaft according to the present utility model;
FIG. 3 is a schematic view of a mounting base according to the present utility model;
FIG. 4 is a schematic view of the spline anti-rotation sleeve according to the present utility model;
FIG. 5 is a schematic view of a fulcrum wrench according to the present utility model;
fig. 6 is a schematic structural view of a puller according to the present utility model.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that, in the description of the present utility model, the orientation or positional relationship indicated by the term is based on the orientation or positional relationship shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two members, and may be understood in a specific manner by those skilled in the art.
Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first and second features, or an indirect contact of the first and second features through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Example 1
1-6, a fixture for disassembling a fulcrum part of a free turbine rotor, which comprises a base 2 for providing a fixing surface of the rotor 1, a bracket 3 arranged on the base, wherein in practical application, the base is provided with a fixing groove matched with an external structure of the base on one side matched with the free turbine rotor, so that the rotor is placed on the base to have a certain support, and meanwhile, the structure position of the rotor can be quantitatively limited, so that the position offset of the rotor is controllable when the rotor is disassembled and rotated at a later stage, and in addition, the bracket can be arranged into a corresponding column-shaped structure in space, so that the control cost and quality of a component are simplified; further comprises:
the guide post (i.e. the upright post) 4 provided with the support is provided with a spline anti-rotation sleeve 6 for preventing the spline shaft 5 from rotating, the center of the spline anti-rotation sleeve is provided with a special-shaped positioning hole for ensuring that the spline anti-rotation sleeve is matched with the external structure of the spline shaft, meanwhile, the spline anti-rotation sleeve and the external structure are good in fixity through special-shaped design, rotation cannot occur, in practical application, the free end of the spline shaft is propped against a connecting end (the connecting end is of a threaded rod type structure) extending out of the torque multiplier in space, the connecting end is matched with threads on the puller after passing through the positioning hole in the center of the mounting seat, namely, when the torque multiplier rotates, the connecting end driving the extending end of the torque multiplier rotates in situ (i.e. does not extend or retract), the puller matched with the threads of the connecting end is lifted upwards under the action of the threads, and then fulcrum parts tightly contacted with the puller are pulled out from the fixed positions, and the disassembly of the parts is completed;
the mounting seat 8 is arranged on the bracket and used for mounting the torque multiplier 7, the torque multiplier can amplify the torque by 25 times, the mounting seat is used for supporting and limiting the torque multiplier in space, and the mounting seat is provided with a central positioning hole 80 into which the torque multiplier can extend;
a puller 9 for removing fulcrum parts, said puller being configured to employ a cage puller, the specific structure of said puller comprising: the structure of the screw 90, the bracket 91, the nut 92, the post 93, the cylindrical pin 94, the pressing block 95, the ferrule 96, the clamping ring 97 and the socket head cap bolt 98 and the connection relation of the components belong to the prior art, so the structure is not described here, and the puller is used for directly pulling out the fulcrum part from the rotor by means of a tool;
one end of the spline shaft is configured to be inserted into a turbine shaft of the rotor, and the other end of the spline shaft abuts against a connecting end of the torque multiplier penetrating through a center positioning hole of the mounting seat;
the upper end of the puller is connected with the mounting seat, and the lower end is attached to a fulcrum bearing (not shown) to be detached. According to the scheme, the fulcrum parts on the free turbine rotor are kept motionless by adopting reverse thinking, the free turbine rotor is rotated, the torque multiplier is installed to greatly reduce the input torque to rotate the free turbine rotor, and only 30 N.m torque is needed to output 750 N.m torque, so that one person can independently complete the disassembling work of the fulcrum parts; when the turbine shaft fulcrum piece is disassembled, the cage-type puller is used for replacing the former high-load and heavy-knocking operation to take out the fulcrum piece.
Working principle: the principle of the pivot part disassembly is shown in figure 1. The specific operation steps are as follows: the rotor is placed on the base, after the fulcrum nut is loosened, a spline shaft is installed to insert the turbine shaft for stopping, the torque multiplier installation seat is installed at the upper end of the cage-shaped puller, the lower end is attached to the fulcrum bearing, the spline anti-rotation sleeve stopping puller is adopted, the torque multiplier is inserted into a square hole of the multiplier installation seat, torque is applied, and all fulcrum parts are taken out.
Further, in practical application, the base can be provided with matched universal wheels according to the needs so as to adapt to maintenance needs of different positions;
the universal wheels are connected with the corners of the base through matched folding components (the folding components comprise fixed ends matched with the corners of the base, connecting ends connected with the universal wheels, hinge connecting pieces for connecting the fixed ends and the connecting ends, clamping connecting buckles matched with the connecting ends are arranged on the connecting ends and the fixed ends, so that when the universal wheels are put down, the tightness of connection between two structural members is ensured, matched fixing holes are formed in the base, after the connecting ends are in a folded state, the positions of the structural members are fixed through fixing pins, so that the structural members are not interfered with each other during operation, the structural stability is ensured, and a jack structure matched with the structural stability is arranged at the center of the bottom of the base;
in order to ensure the stability of the tool in the application process, each fixed foot is provided with a larger contact surface at one end contacted with the ground, and the contact surface is provided with a matched shock absorption layer, so that the ground grabbing capacity of the equipment is better by arranging the larger contact surface, and meanwhile, the shock in the tool application process can be effectively absorbed, and the damage of the fixed foot to the ground caused by tool deflection is prevented.
The above embodiments are merely illustrative of a preferred embodiment, but are not limited thereto. In practicing the present utility model, appropriate substitutions and/or modifications may be made according to the needs of the user.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present utility model. Applications, modifications and variations of the present utility model will be readily apparent to those skilled in the art.
Although embodiments of the utility model have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present utility model. Additional modifications will readily occur to those skilled in the art. Therefore, the utility model is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (5)
1. A frock for dismantling free turbine rotor fulcrum part, including providing the base of rotor stationary plane, set up the support on the base, its characterized in that still includes:
the spline anti-rotation sleeve is arranged on the guide post of the bracket and used for preventing the spline shaft from rotating, and a special-shaped positioning hole is formed in the center of the spline anti-rotation sleeve;
the mounting seat is arranged on the guide post of the bracket and used for mounting the torque multiplier;
a puller for removing the fulcrum piece;
one end of the spline shaft is configured to be inserted into a turbine shaft of the rotor, and the other end of the spline shaft abuts against a connecting end of the torque multiplier penetrating through a center positioning hole of the mounting seat;
the upper end of the puller is connected with the mounting seat, and the lower end of the puller is attached to the fulcrum bearing to be detached.
2. The tooling for disassembling a free turbine rotor fulcrum piece of claim 1, wherein the puller is configured to employ a cage puller.
3. The tooling for removing a free turbine rotor fulcrum piece of claim 1, wherein the spline anti-rotation sleeve is configured as a clearance fit at an end that mates with the guide post.
4. The tooling for removing a free turbine rotor fulcrum piece of claim 1, wherein the mount is provided with a centrally located hole at an end that mates with a torque multiplier.
5. The tooling for removing a fulcrum piece of a free turbine rotor of claim 1, wherein the base is provided with a fixed slot on a side of the base that mates with the free turbine rotor that mates with an external structure thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234032.9U CN219649778U (en) | 2023-05-19 | 2023-05-19 | Tool for disassembling free turbine rotor fulcrum part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234032.9U CN219649778U (en) | 2023-05-19 | 2023-05-19 | Tool for disassembling free turbine rotor fulcrum part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219649778U true CN219649778U (en) | 2023-09-08 |
Family
ID=87879323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321234032.9U Active CN219649778U (en) | 2023-05-19 | 2023-05-19 | Tool for disassembling free turbine rotor fulcrum part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219649778U (en) |
-
2023
- 2023-05-19 CN CN202321234032.9U patent/CN219649778U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113829292B (en) | Wind generating set main bearing locking nut screwing assembly and using method thereof | |
| CN219649778U (en) | Tool for disassembling free turbine rotor fulcrum part | |
| CN112548948B (en) | Super nut dismounting tool and dismounting method | |
| CN212552581U (en) | Bearing dismounting device | |
| CN203859020U (en) | Energy-storage spring assembler for circuit breaker | |
| CN215658886U (en) | A torsion tightening machine for screwing up oil pump | |
| CN210650510U (en) | Bearing dismounting device | |
| CN219818756U (en) | Tool for assembling and disassembling nut of free turbine rotor | |
| CN213731523U (en) | Wind-powered electricity generation gear box planet wheel round pin axle dismantles frock | |
| CN115235673A (en) | Bearing axial load detection equipment | |
| CN212794806U (en) | Bearing mounting tool suitable for narrow operating space | |
| CN211393549U (en) | Tool structure for assembling wind power gear box planet bearing | |
| CN212803074U (en) | Inclined strut hydraulic rotating support oil cylinder fixing seat of full-slewing drilling machine | |
| CN216504839U (en) | Elastic support shaft tool convenient to disassemble and used for test run | |
| CN219293872U (en) | Frock is dismantled to little space bearing | |
| CN219434104U (en) | Environment detection type monitoring equipment for power distribution room | |
| CN209868471U (en) | Rear hub bearing assembly and disassembly tools | |
| CN109693098A (en) | A kind of universal planetary wheel of wind turbine gearbox bearing removal equipment | |
| CN216097413U (en) | Device for screwing locking nut of main bearing of wind generating set | |
| CN205111745U (en) | Large -scale equipment locating sells puller | |
| CN218875306U (en) | Puller for disassembling core machine of micro gas turbine | |
| CN215903435U (en) | Quick detachable formula round pin axle of wind-powered electricity generation gear box | |
| CN218708824U (en) | Shaft lifter | |
| CN220162345U (en) | Buffer cylinder dismounting device | |
| CN219337598U (en) | Nuclear power station water pump bearing assembly and disassembly tools |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |