CN219666175U - Auxiliary device for cutting bypass elbow bolt of gas turbine - Google Patents
Auxiliary device for cutting bypass elbow bolt of gas turbine Download PDFInfo
- Publication number
- CN219666175U CN219666175U CN202320814511.1U CN202320814511U CN219666175U CN 219666175 U CN219666175 U CN 219666175U CN 202320814511 U CN202320814511 U CN 202320814511U CN 219666175 U CN219666175 U CN 219666175U
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- gas turbine
- fixing
- bolt
- base
- cutting
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- 238000005498 polishing Methods 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 230000007704 transition Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses an auxiliary device for cutting a bypass elbow bolt of a gas turbine, and belongs to the technical field of auxiliary cutting devices; the device comprises: a base mounted on a gas turbine bypass elbow flange; a fixing device provided with a positioning device; the positioning device is used for fixing the angle grinder on the fixing device; an adjusting device mounted on the base; the fixing device is rotatably arranged on the base through the adjusting device; the adjusting device is used for adjusting the position of the fixing device, so that the position of the polishing machine is adjusted. The auxiliary device for cutting the bypass elbow bolt of the gas turbine can realize accurate positioning of bolt cutting, is suitable for a combustion chamber with a narrow working face, and can prevent the bolt from damaging a transition section of the gas turbine by using the angle grinder to cut the bolt, so that high-value equipment damage is avoided.
Description
Technical Field
The utility model relates to the technical field of auxiliary cutting devices, in particular to an auxiliary cutting device for bypass elbow bolts of a gas turbine.
Background
As the installed capacity of gas turbines increases year by year, their importance in the power industry in China is growing. Therefore, the safe and stable operation of the gas turbine unit is a key for ensuring the healthy development of the power industry. In order to ensure the reliability of the combustion engine, the combustion engine turbine needs to be overhauled regularly.
The bypass elbow is a part for connecting the bypass valve and the transition section in the combustor, adopts a flange connection mode with the transition section, and provides bypass air inlet for the transition section through the bypass elbow for combustion supporting and cooling. According to the maintenance process, when the bypass elbow is dismantled, flange bolts connected with the bypass elbow and the transition section of the combustion engine are required to be cut and dismantled. According to the current maintenance process, an operator is required to hold the angle grinder to cut the flange nut.
Because the operation surface in the combustion chamber is narrow, the operation capability of an maintainer is particularly tested by using an angle grinder to cut bolts, the transition section of the combustion engine can be damaged by a little careless, and high-value equipment is damaged.
Disclosure of Invention
The utility model aims to provide a gas turbine bypass elbow bolt cutting auxiliary device capable of accurately positioning the cutting position of an angle grinder.
In order to solve the technical problems, the utility model provides an auxiliary device for cutting bypass elbow bolts of a gas turbine, which comprises:
a base mounted on a gas turbine bypass elbow flange;
a fixing device provided with a positioning device; the positioning device is used for fixing the angle grinder on the fixing device;
an adjusting device mounted on the base; the fixing device is rotatably arranged on the base through the adjusting device; the adjusting device is used for adjusting the position of the fixing device, so that the position of the polishing machine is adjusted.
Preferably, the fixing device comprises a fixing frame and a connecting rod;
the fixing frame is rotationally connected with the adjusting device through a connecting rod.
Preferably, the fixing frame comprises a bottom plate and side plates arranged on two sides of the bottom plate;
the positioning device is arranged on the two side plates.
Preferably, the side plate is provided with a screw hole;
the positioning device is a fixed screw and is in threaded connection with the screw hole of the side plate.
Preferably, the adjusting means comprise a threaded rod and a threaded double-headed nut screwed with each other;
the double-headed nut is fixedly arranged on the base;
the screw rod is fixedly connected with the connecting rod.
Preferably, the included angle between the side plate and the bottom plate is larger than 90 degrees.
Preferably, the base is further provided with a positioning bolt.
Compared with the prior art, the utility model has the beneficial effects that:
the auxiliary device for cutting the bypass elbow bolt of the gas turbine can realize accurate positioning of bolt cutting through the fixed angle grinder, is suitable for a combustion chamber with a narrow working face, and can prevent the bolt from damaging the transition section of the gas turbine by using the angle grinder to cut the bolt, so that high-value equipment damage is avoided.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a front view of an auxiliary device for cutting bypass elbow bolts of a gas turbine in accordance with the present utility model;
FIG. 2 is a schematic side view of a gas turbine bypass elbow bolt cutting assist apparatus of the present utility model;
FIG. 3 is a schematic top view of a gas turbine bypass elbow bolt cutting assist apparatus of the present utility model;
FIG. 4 is a schematic view of the structure of a gas turbine bypass elbow cutting auxiliary device for cutting an elbow according to the present utility model.
In the figure: 1-a base; 2-positioning bolts; 3-fixing means; 31-a fixing frame; 311-bottom plate; 312-side plates; 32-connecting rods; 4-positioning means; 5-adjusting means; 51-screw; 52-double-ended nuts.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than those herein described, and those skilled in the art will readily appreciate that the present utility model may be similarly embodied without departing from the spirit or essential characteristics thereof, and therefore the present utility model is not limited to the specific embodiments disclosed below.
The terminology used in the one or more embodiments of the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the one or more embodiments of the specification. As used in this specification, one or more embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used in one or more embodiments of the present specification refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that, although the terms first, second, etc. may be used in one or more embodiments of this specification to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, a first may also be referred to as a second, and similarly, a second may also be referred to as a first, without departing from the scope of one or more embodiments of the present description. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
The utility model is described in further detail below with reference to the attached drawing figures:
the utility model provides an auxiliary device for cutting a bypass elbow bolt of a gas turbine, which comprises the following components:
a base 1 mounted on a gas turbine bypass elbow flange;
a fixing device 3 to which a positioning device 4 is attached; the positioning device 4 is used for fixing the angle grinder on the fixing device 3;
an adjusting device 5 mounted on the base 1; the fixing device 3 is rotatably arranged on the base 1 through the adjusting device 5; the adjusting device 5 is used for adjusting the position of the fixing device 3 and thus the position of the polishing machine.
Preferably, the fixing device 3 comprises a fixing frame 31 and a connecting rod 32;
the fixing frame 31 is rotatably connected with the adjusting device 5 through a connecting rod 32.
Preferably, the fixing frame 31 includes a bottom plate 311 and side plates 312 installed at both sides of the bottom plate 311;
the positioning device 4 is mounted on both side plates 312.
Preferably, the side plate 312 is provided with a screw hole;
the positioning device 4 is a set screw, and the positioning device 4 is in threaded connection with the screw hole of the side plate 312.
Preferably, said adjusting means 5 comprise a screw 51 and a double-headed nut 52 screwed with each other;
the double-headed nut 52 is fixedly arranged on the base 1;
the screw 51 is fixedly connected with the connecting rod 32.
Preferably, the side plate 312 forms an angle with the bottom plate 311 of greater than 90 °.
Preferably, the base 1 is further provided with a positioning bolt 2.
In order to better illustrate the technical effects of the present utility model, the present utility model provides the following specific embodiments to illustrate the above technical flow:
embodiment 1, as shown in fig. 1-4, a gas turbine bypass bent pipe bolt cutting auxiliary device comprises a base 1, a positioning bolt 2, a fixing device 3, a positioning device 4 and an adjusting device 5.
The adjusting device 5 comprises a screw rod 51 and a double-headed nut 52 which are in threaded connection with each other, the double-headed nut 52 and the screw rod 51 can freely rotate, and the fixing frame 31 of the fixing device 3 is in welded connection with the screw rod 51 of the adjusting device 5;
the channel steel is used as a base 1, and the base 1 is fixed on a base fixing bypass bent pipe flange by screwing a positioning bolt 2;
the angle grinder is fixed on a fixing frame 31 of the fixing device 3 through a positioning device 4;
the angle grinder is arranged on the fixing frame 31 of the fixing device 3, the angle grinder is fixed by screwing the positioning device 4, and the angle grinder synchronously rotates along with the fixing frame 31 of the fixing device 3 by rotating the screw rod 51 of the adjusting device 5, so that the longitudinal cutting depth of the angle grinder is adjusted, and the aim of freely adjusting the cutting amount is fulfilled.
According to the utility model, through developing a device, accurate positioning of bolt cutting can be realized.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any changes or substitutions within the technical scope of the present utility model should be covered by the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (5)
1. A gas turbine bypass elbow bolt cutting auxiliary device, comprising:
a base (1) mounted on a gas turbine bypass elbow flange;
a fixing device (3) provided with a positioning device (4); the positioning device (4) is used for fixing the angle grinder on the fixing device (3);
an adjusting device (5) mounted on the base (1); the fixing device (3) is rotatably arranged on the base (1) through the adjusting device (5); the adjusting device (5) is used for adjusting the position of the fixing device (3) so as to adjust the position of the polishing machine;
the fixing device (3) comprises a fixing frame (31) and a connecting rod (32);
the fixing frame (31) is rotationally connected with the adjusting device (5) through a connecting rod (32);
the fixing frame (31) comprises a bottom plate (311) and side plates (312) arranged on two sides of the bottom plate (311);
the positioning device (4) is arranged on the two side plates (312).
2. The gas turbine bypass elbow bolt cutting auxiliary device according to claim 1, wherein:
screw holes are formed in the side plates (312);
the positioning device (4) is a fixed screw, and the positioning device (4) is in threaded connection with a screw hole of the side plate (312).
3. The gas turbine bypass elbow bolt cutting auxiliary device according to claim 1, wherein:
the adjusting device (5) comprises a screw rod (51) and a double-headed nut (52) which are in threaded connection with each other;
the double-headed nut (52) is fixedly arranged on the base (1);
the screw rod (51) is fixedly connected with the connecting rod (32).
4. The gas turbine bypass elbow bolt cutting auxiliary device according to claim 1, wherein:
the included angle between the side plate (312) and the bottom plate (311) is larger than 90 degrees.
5. The gas turbine bypass elbow bolt cutting auxiliary device according to claim 1, wherein:
and the base (1) is also provided with a positioning bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320814511.1U CN219666175U (en) | 2023-04-13 | 2023-04-13 | Auxiliary device for cutting bypass elbow bolt of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320814511.1U CN219666175U (en) | 2023-04-13 | 2023-04-13 | Auxiliary device for cutting bypass elbow bolt of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219666175U true CN219666175U (en) | 2023-09-12 |
Family
ID=87928105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320814511.1U Active CN219666175U (en) | 2023-04-13 | 2023-04-13 | Auxiliary device for cutting bypass elbow bolt of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219666175U (en) |
-
2023
- 2023-04-13 CN CN202320814511.1U patent/CN219666175U/en active Active
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