CN217552267U - Special tool for fastening bolts of steam turbine surface cooler - Google Patents
Special tool for fastening bolts of steam turbine surface cooler Download PDFInfo
- Publication number
- CN217552267U CN217552267U CN202220998328.7U CN202220998328U CN217552267U CN 217552267 U CN217552267 U CN 217552267U CN 202220998328 U CN202220998328 U CN 202220998328U CN 217552267 U CN217552267 U CN 217552267U
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- tool
- surface cooler
- bolt
- steam turbine
- head
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Abstract
The utility model relates to a fastening tool technical field discloses a steam turbine surface cooler bolt-up specialized tool, include: the utility model provides a steam turbine surface cooler bolt-up specialized tool can change the tool head of equidimension according to the variation in size of bolt, adopt the mode of dismantling the connection between tool head and the square head, not only can prevent that the tool head from dropping to in the deep hole, it is convenient to dismantle simultaneously, and then realize that this instrument can satisfy the operation requirement of different specification bolts, has enlarged its application range and occasion, can make the tool head visit in the deep hole of surface cooler through the extension bar, screw up or dismantle the bolt through the torque rod to need not fasten steam turbine surface cooler, can accomplish the operation of fastening or dismantling the leak source bolt position.
Description
Technical Field
The utility model relates to a fastening tool technical field, in particular to steam turbine surface cooler bolt-up specialized tool.
Background
The surface cooler of the centrifugal compressor is one of key equipment of a vacuum system of the compressor, whether the surface cooler is normally put into use is directly related to whether a compressor unit can normally run, the unique structure of the centrifugal compressor has a part which can not be directly overhauled by a conventional tool, and the disassembly and the fastening of a bolt in a deep hole are not realized by the conventional tool.
At present, the surface cooler of the steam turbine needs to be disassembled for maintenance, bolts at the leakage points are exposed, maintenance space is reserved, the bolts at the leakage points are fastened, and the surface cooler is re-installed after fastening is completed.
This method is relatively troublesome and the process is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steam turbine surface cooler bolt-up specialized tool can accomplish the fastening operation of surface cooler deep hole bolt or the fastening and the dismantlement work of the same kind of deep hole bolt under the condition of not unpacing apart the surface cooler.
The utility model provides a steam turbine surface cooler bolt-up specialized tool, include:
a tool head;
the square head is detachably connected to the lower end of the tool head;
the upper end of the extension bar is fixedly connected with the lower end of the square head;
the moment rod is vertically and fixedly connected with the lower end of the extension rod.
Optionally, the tool head and the square head are detachably connected through a transverse pin, a groove is formed in the upper end of the square head, a boss is arranged at the lower end of the tool head and inserted into the groove, and the transverse pin sequentially penetrates through the square head and the boss.
Alternatively, the size of the tool head may be variable.
Optionally, the square head and the extension bar are fixed by welding.
Optionally, the torque rod and the extension rod are fixed by welding.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a pair of not equidimension instrument head can be changed according to the variation in size of bolt to steam turbine surface cooler bolt-up specialized tool, the instrument head is used for fastening bolt, the mode of being connected can be dismantled in the adoption between instrument head and the square head, not only can utilize the safe effectual instrument head that prevents of theory of mechanics to drop to the deep hole in, it is convenient simultaneously to dismantle, the change of the different instrument head of being convenient for, and then realize that this instrument can satisfy the operation requirement of different specification bolts, its application range and occasion have been enlarged, can make the instrument head visit into in the deep hole of surface cooler through the extension bar, screw up or dismantle the bolt through the moment pole, thereby need not unpack the steam turbine surface cooler apart, can accomplish the operation of fastening or dismantling leakage point position bolt, accomplish the maintenance work of steam turbine surface cooler and the deep hole bolt of the same type fast, the complicated dismouting process has been reduced, a structure is simple, the operation is convenient, it is all very convenient to carry to store.
Drawings
Fig. 1 is a schematic structural diagram of a special tool for fastening bolts of a steam turbine surface cooler provided by an embodiment of the present invention.
Description of reference numerals:
1-tool head, 2-transverse pin, 3-square head, 4-extension bar and 5-moment bar.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the technical solutions of the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The surface cooler of the centrifugal compressor is one of key equipment of a compressor vacuum system, whether the surface cooler is normally put into use is directly related to whether a compressor unit can normally operate, the unique structure of the centrifugal compressor has a part which cannot be directly overhauled by a conventional tool, and the disassembly and the fastening of bolts in deep holes of the centrifugal compressor cannot be realized by the conventional tool.
At present, the surface cooler of the steam turbine needs to be disassembled for maintenance, bolts at the leakage points are exposed, maintenance space is reserved, the bolts at the leakage points are fastened, and the surface cooler is re-installed after fastening is completed.
This method is relatively troublesome and the process is complicated.
Based on the technical problem, the utility model provides a steam turbine surface cooler bolt-up specialized tool can accomplish the fastening operation of surface cooler deep hole bolt or with the fastening and the dismantlement work of class deep hole bolt under the condition of not unpacing apart the surface cooler, it is right with the accompanying drawing below the utility model discloses a concrete embodiment carries out the detailed description, wherein, figure 1 is the utility model provides a steam turbine surface cooler bolt-up specialized tool's schematic structure diagram.
As shown in fig. 1, the embodiment of the utility model provides a steam turbine surface cooler bolt fastening specialized tool that provides, include: tool head 1, square head 3, extension bar 4 and moment pole 5, 3 detachable connections in the lower extreme of tool head 1 in the square head, and 4 upper ends of extension bar link firmly in the lower extreme of square head 3, and moment pole 5 links firmly in the lower extreme of extension bar 4 perpendicularly.
The utility model provides a pair of not equidimension instrument head can be changed according to the variation in size of bolt to steam turbine surface cooler bolt-up specialized tool, the instrument head is used for fastening bolt, the mode of being connected can be dismantled in the adoption between instrument head and the square head, not only can utilize the safe effectual instrument head that prevents of theory of mechanics to drop to the deep hole in, it is convenient simultaneously to dismantle, the change of the different instrument head of being convenient for, and then realize that this instrument can satisfy the operation requirement of different specification bolts, its application range and occasion have been enlarged, can make the instrument head visit into in the deep hole of surface cooler through the extension bar, screw up or dismantle the bolt through the moment pole, thereby need not unpack the steam turbine surface cooler apart, can accomplish the operation of fastening or dismantling leakage point position bolt, accomplish the maintenance work of steam turbine surface cooler and the deep hole bolt of the same type fast, the complicated dismouting process has been reduced, a structure is simple, the operation is convenient, it is all very convenient to carry to store.
Optionally, the tool head 1 and the square head 3 are detachably connected through a transverse pin 2, a groove is formed in the upper end of the square head 3, a boss is formed in the lower end of the tool head 1, the boss is inserted into the groove, the transverse pin 2 sequentially penetrates through the square head 3 and the boss, the tool head 1 and the square head 3 are connected through the transverse pin 2 to prevent the tool head 1 from falling into a deep hole in the maintenance process, and the tool head can be safely and effectively prevented from falling into the deep hole by using a mechanical principle through a pin connection mode; meanwhile, the tool is convenient to disassemble, and different tool heads can be replaced conveniently, so that the tool can meet the use requirements of bolts with different specifications, and the use range and occasions of the tool are enlarged.
Optionally, the tool head 1 is variable in size, and tool heads of different sizes are replaced according to overhaul of the bolt.
Alternatively, the square head 3 and the extension bar 4 are fixed by welding.
Alternatively, the torque rod 5 and the extension rod 4 are fixed by welding.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a steam turbine surface cooler bolt-up specialized tool which characterized in that includes:
a tool head (1);
the square head (3) is detachably connected to the lower end of the tool head (1);
the upper end of the extension bar (4) is fixedly connected with the lower end of the square head (3);
and the moment rod (5) is vertically and fixedly connected with the lower end of the extension rod (4).
2. The special tool for bolt fastening of the surface cooler of the steam turbine as claimed in claim 1, characterized in that the tool head (1) and the square head (3) are detachably connected through a transverse pin (2), the upper end of the square head (3) is provided with a groove, the lower end of the tool head (1) is provided with a boss, the boss is inserted into the groove, and the transverse pin (2) sequentially penetrates through the square head (3) and the boss.
3. The special tool for bolt fastening of a surface cooler of a steam turbine according to claim 1, characterized in that the size of the tool head (1) is variable.
4. The special bolt-tightening tool for the steam turbine surface cooler as set forth in claim 1, characterized in that the square head (3) and the extension bar (4) are fixed by welding.
5. The special bolt-tightening tool for steam turbine surface coolers according to claim 1, characterized in that the torque rod (5) and the extension rod (4) are fixed by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220998328.7U CN217552267U (en) | 2022-04-24 | 2022-04-24 | Special tool for fastening bolts of steam turbine surface cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220998328.7U CN217552267U (en) | 2022-04-24 | 2022-04-24 | Special tool for fastening bolts of steam turbine surface cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217552267U true CN217552267U (en) | 2022-10-11 |
Family
ID=83471693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220998328.7U Active CN217552267U (en) | 2022-04-24 | 2022-04-24 | Special tool for fastening bolts of steam turbine surface cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217552267U (en) |
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2022
- 2022-04-24 CN CN202220998328.7U patent/CN217552267U/en active Active
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