CN215847978U - Narrow-gap lateral drilling and lockpin pulling tool for disassembling blade of steam turbine hub - Google Patents
Narrow-gap lateral drilling and lockpin pulling tool for disassembling blade of steam turbine hub Download PDFInfo
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- CN215847978U CN215847978U CN202122158870.XU CN202122158870U CN215847978U CN 215847978 U CN215847978 U CN 215847978U CN 202122158870 U CN202122158870 U CN 202122158870U CN 215847978 U CN215847978 U CN 215847978U
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- lockpin
- turbine hub
- pulling tool
- lateral drilling
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Abstract
The utility model relates to the technical field of turbine hub disassembly, in particular to a narrow-gap lateral drilling and lockpin pulling tool for turbine hub disassembly blades. The tool for pulling the lock pin in the narrow-gap lateral drilling for disassembling the blade of the steam turbine hub comprises a motor support, wherein a driving motor and a storage battery for supplying power to the driving motor are arranged on an upper surface fixing frame; the horizontal installation cover is fixedly embedded on the motor support, an installation lock head used for locking a drill bit is installed on the surface of one side, away from the motor support, of the horizontal installation cover, and a linkage assembly used for driving the installation lock head to rotate is installed in the horizontal installation cover. The narrow-gap lateral drilling and lockpin pulling tool for disassembling the blades of the turbine hub, provided by the utility model, has the advantages that the lockpin can be quickly disassembled, the labor intensity of technical personnel is greatly reduced, labor is saved for disassembling the blades of the turbine compared with the original labor, and the overall operation is safer and more convenient than the original operation.
Description
Technical Field
The utility model relates to the technical field of turbine hub disassembly, in particular to a narrow-gap lateral drilling and lockpin pulling tool for turbine hub disassembly blades.
Background
When blades on a turbine hub are disassembled, a lock pin part is arranged laterally at each stage, the lock pin is usually disassembled by matching a sample punch with a hammer through a sample punch hammering method, the corresponding stage of blades can be disassembled, and the manual disassembly of the lock pin is very difficult because the gap between each stage of blades is too narrow (the gap is 100 mm and 150 mm).
Therefore, a new narrow-gap side drilling and lockpin pulling tool for disassembling the blade of the steam turbine hub is needed to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a narrow-gap side drilling and lockpin pulling tool for disassembling blades of a steam turbine hub.
The utility model provides a narrow-gap lateral drilling and lockpin pulling tool for disassembling blades of a turbine hub, which comprises:
the upper surface fixing frame of the motor support is provided with a driving motor and a storage battery for supplying power to the driving motor;
the tool for pulling the lock pin further comprises:
the horizontal installation cover is fixedly embedded on the motor support, an installation lock head used for locking a drill bit is installed on the surface of one side, away from the motor support, of the horizontal installation cover, and a linkage assembly used for driving the installation lock head to rotate is installed in the horizontal installation cover.
Preferably, the linkage subassembly includes driving gear, driven gear and chain, the driving gear is installed in the flat installation cover and is established the output fixed connection of driving motor, driven gear rotates through the pivot and installs the opposite side at the flat installation cover, just driven gear passes through the chain and is connected with the driving gear transmission.
Preferably, the connecting end of the installation lock head is fixedly embedded at the rotation center of the driven gear.
Preferably, the bottom of the horizontal mounting cover is provided with a clamping assembly, and the horizontal mounting cover is fixed on the machine tool through the clamping assembly.
Preferably, the centre gripping subassembly includes L template, fastening screw and pressfitting board, L template fixed mounting is in the flat bottom of installing the cover, just install threaded connection's fastening screw on the horizontal plate of L template, the pressfitting board of rotating the connection is installed at fastening screw's top.
Preferably, a handle is mounted on one side of the motor support.
Compared with the prior art, the narrow-gap lateral drilling and lockpin pulling tool for disassembling the blades of the turbine hub, provided by the utility model, has the following beneficial effects:
the utility model provides a narrow-gap lateral drilling and lockpin pulling tool for disassembling a blade of a steam turbine hub.
Drawings
FIG. 1 is a schematic structural view of a narrow-gap side drilling and lockpin pulling tool for disassembling a blade of a steam turbine hub according to a preferred embodiment of the utility model;
FIG. 2 is a schematic structural view of the linkage assembly within the protective cover of FIG. 1;
fig. 3 is a schematic structural view of the clamping assembly shown in fig. 1.
Reference numbers in the figures: 1. a motor support; 2. a drive motor; 3. a cover is installed in a horizontal direction; 4. a linkage assembly; 41. A driving gear; 42. a driven gear; 43. a chain; 5. installing a lock head; 6. a storage battery; 7. a handle; 8. a clamping assembly; 81. an L-shaped plate; 82. fastening a screw rod; 83. and (6) pressing a board.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to fig. 3, an embodiment of the utility model provides a narrow-gap side drilling and pin pulling tool for disassembling a blade from a turbine hub, where the narrow-gap side drilling and pin pulling tool for disassembling a blade from a turbine hub includes: a motor support 1 and a flat mounting cup 3.
In the embodiment of the present invention, please refer to fig. 1 and fig. 2, the upper surface fixing frame of the motor support 1 is provided with a driving motor 2 and a storage battery 6 for supplying power to the driving motor 2, the horizontal mounting cover 3 is fixedly embedded on the motor support 1, a mounting lock head 5 for locking a drill bit is mounted on a side plate surface of the horizontal mounting cover 3 away from the motor support 1, a linkage assembly 4 for driving the mounting lock head 5 to rotate is mounted in the horizontal mounting cover 3, the linkage assembly 4 comprises a driving gear 41, a driven gear 42 and a chain 43, the driving gear 41 is mounted in the horizontal mounting cover 3 and sleeved on an output end of the driving motor 2 for fixed connection, the driven gear 42 is rotatably mounted on the other side of the horizontal mounting cover 3 through a rotating shaft, and the driven gear 42 is in transmission connection with the driving gear 41 through the chain 43, wherein, the connecting end of the installation lock head 5 is fixedly embedded at the rotating center of the driven gear 42.
It should be noted that: when the device is used, the drill bit is fixedly installed in the installation lock head 5, the flat installation cover 3 is inserted into the hub of the steam turbine after the completion of the installation, the drill bit is locked on the lock pin, the driving motor 2 is started to drive the driving gear 41 after the completion of the installation, and the driven gear 42 is in transmission connection with the driving gear 41 through the chain 43, so that the lock pin can be quickly detached by the drill bit, the labor intensity of technical personnel is greatly reduced, labor is saved compared with the original labor for detaching the blades of the steam turbine, and the whole operation is safer and more convenient than the original operation.
Wherein, a handle 7 is installed on one side of the motor support 1, so that technicians can conveniently take the equipment.
In the embodiment of the present invention, referring to fig. 1 and 3, a clamping assembly 8 is installed at the bottom of the horizontal mounting cover 3, the horizontal mounting cover 3 is fixed on a machine tool through the clamping assembly 8, the clamping assembly 8 comprises an L-shaped plate 81, a fastening screw 82 and a pressing plate 83, the L-shaped plate 81 is fixedly installed at the bottom of the horizontal mounting cover 3, the horizontal plate of the L-shaped plate 81 is installed with the fastening screw 82 in threaded connection, and the top of the fastening screw 82 is installed with the pressing plate 83 in rotational connection.
It should be noted that: the L-shaped plate 81 is inserted onto a working machine tool as necessary, and the fastening screw 82 is rotated to press the laminate plate 83 against the working machine tool, thereby completing the fixing of the flat mount cover 3 on the working machine tool for a technician to operate without a hand-held device.
The utility model provides a narrow-gap lateral drilling and lockpin pulling tool for disassembling blades of a steam turbine hub, which has the following working principle:
when the device is used, the drill bit is fixedly installed in the installation lock head 5, the flat installation cover 3 is inserted into the hub of the steam turbine after the completion of the installation, the drill bit is locked on the lock pin, the driving motor 2 is started to drive the driving gear 41 after the completion of the installation, and the driven gear 42 is in transmission connection with the driving gear 41 through the chain 43, so that the lock pin can be quickly detached by the drill bit, the labor intensity of technical personnel is greatly reduced, labor is saved compared with the original labor for detaching the blades of the steam turbine, and the whole operation is safer and more convenient than the original operation.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a be used for turbine wheel hub to dismantle narrow clearance side direction drilling of blade and pull out lockpin frock, includes:
the upper surface of the motor support (1) is provided with a driving motor (2) and a storage battery (6) for supplying power to the driving motor (2);
its characterized in that, pull out lockpin frock still includes:
the drill bit locking mechanism comprises a plane direction mounting cover (3) fixedly embedded on a motor support (1), a mounting lock head (5) used for locking a drill bit is mounted on a side plate surface of the plane direction mounting cover (3) far away from the motor support (1), and a linkage assembly (4) used for driving the mounting lock head (5) to rotate is mounted in the plane direction mounting cover (3).
2. The narrow-gap lateral drilling and lockpin pulling tool for the turbine hub detaching blade of claim 1, wherein the linkage assembly (4) comprises a driving gear (41), a driven gear (42) and a chain (43), the driving gear (41) is installed in the horizontal installation cover (3) and sleeved on the output end of the driving motor (2) to be fixedly connected, the driven gear (42) is rotatably installed on the other side of the horizontal installation cover (3) through a rotating shaft, and the driven gear (42) is in transmission connection with the driving gear (41) through the chain (43).
3. The narrow-gap lateral drilling and lockpin pulling tool for the turbine hub detaching blades according to claim 2, wherein the connecting end of the mounting lock (5) is fixedly embedded at the rotation center of the driven gear (42).
4. The narrow-gap lateral drilling and lockpin pulling tool for disassembling the blade of the steam turbine hub as claimed in claim 1, wherein a clamping assembly (8) is mounted at the bottom of the flat mounting cover (3), and the flat mounting cover (3) is fixed on a machine tool through the clamping assembly (8).
5. The narrow-gap lateral drilling and pin pulling tool for disassembling the blade of the steam turbine hub is characterized in that the clamping assembly (8) comprises an L-shaped plate (81), a fastening screw rod (82) and a pressing plate (83), the L-shaped plate (81) is fixedly installed at the bottom of the horizontal installation cover (3), the fastening screw rod (82) in threaded connection is installed on the horizontal plate of the L-shaped plate (81), and the pressing plate (83) in rotary connection is installed at the top of the fastening screw rod (82).
6. The narrow-gap lateral drilling and lockpin pulling tool for the disassembly of the blades of the turbine hub as claimed in claim 1, wherein a handle (7) is mounted on one side of the motor support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122158870.XU CN215847978U (en) | 2021-09-08 | 2021-09-08 | Narrow-gap lateral drilling and lockpin pulling tool for disassembling blade of steam turbine hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122158870.XU CN215847978U (en) | 2021-09-08 | 2021-09-08 | Narrow-gap lateral drilling and lockpin pulling tool for disassembling blade of steam turbine hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215847978U true CN215847978U (en) | 2022-02-18 |
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ID=80257102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122158870.XU Active CN215847978U (en) | 2021-09-08 | 2021-09-08 | Narrow-gap lateral drilling and lockpin pulling tool for disassembling blade of steam turbine hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215847978U (en) |
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2021
- 2021-09-08 CN CN202122158870.XU patent/CN215847978U/en active Active
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