CN212272396U

CN212272396U - Switch of gas turbine oil seal

Info

Publication number: CN212272396U
Application number: CN202021712547.1U
Authority: CN
Inventors: 张晓云; 刘文文; 何彬; 屈鑫; 刘毅腾
Original assignee: 703th Research Institute of CSIC
Current assignee: 703th Research Institute of CSIC
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-01-01
Anticipated expiration: 2030-08-17

Abstract

A switch of a gas turbine oil seal relates to the technical field of energy power. The utility model relates to a solve gas turbine's long-term oil blanket and be full of fuel oil system annex and inner chamber with the lubricating oil at the false start-up in-process of gas turbine, lead to the problem of the corruption of part. A switch of gas turbine oil blanket, including two blanking caps, a plurality of first screw, flange, oil blanket switch casing, two coupling, electric mechanism, housing subassembly, main shaft and pipe. A gas turbine oil seal switch is characterized in that a spline shaft is driven to rotate through rotation of a main shaft, so that the gas turbine oil seal switch is turned on or turned off. The method is mainly used for maintaining accessories of the fuel system when the gas turbine needs to stop operating the oil seal for a long time.

Description

Switch of gas turbine oil seal

Technical Field

The utility model belongs to the technical field of gas turbine energy power, in particular to electric switch valve that gas turbine used.

Background

The oil seal of the gas turbine can be divided into short-term oil seal within 7 days and nights, general oil seal within 30 days and long-term oil seal within one year according to different use periods. The oil seal preservation for more than one year is realized by carrying out corresponding packaging and preservation work on the basis of finishing long-term oil seal of the gas turbine. When the gas turbine is shut down for a long time, the fuel system accessories are corroded by the residual fuel, so that the gas turbine cannot be normally started or shut down.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve when the gas turbine machine stops the operation for a long time, the problem that fuel oil system annex can suffer the remaining corruption of fuel. The utility model provides a switch of gas turbine oil blanket.

The technical scheme of the utility model: the method comprises the following steps: the device comprises two plugging covers, a plurality of first screws, a flange, an oil seal switch shell, two pipe joints, an electric mechanism, a housing component, a main shaft and a circular pipe;

the oil seal switch shell is of a cuboid structure, the cuboid structure is provided with an axial channel along the axial direction of the cuboid structure, the oil seal switch shell is also provided with a pipe channel, the pipe channel is vertical to the axial channel, the flange is in threaded connection with one end face of the oil seal switch shell through a plurality of first screws, and the other end of the oil seal switch shell is communicated with the housing component;

the two pipe joints are respectively connected to two ends of a circular pipe, the two blocking covers are respectively blocked at the outer ends of the two pipe joints, the circular pipe is positioned in the pipe passage and is coaxial with the pipe passage, a first through hole is formed in the circular pipe, and a main shaft of the first through hole is perpendicular to a main shaft of the pipe passage;

the main shaft is of a cylindrical structure and is positioned in the shaft channel, the main shaft is coaxial with the shaft channel, a second through hole is formed in the main shaft, the main shaft of the second through hole is perpendicular to the main shaft of the shaft channel, and the first through hole is embedded in the second through hole; one end of the main shaft is connected with an electric mechanism, and the electric mechanism is positioned in the housing component.

Preferably, a first washer is provided between the flange and each first screw.

Preferably, a second gasket is arranged between the oil seal switch shell and the two pipe joints.

Preferably, one end of the main shaft is connected to a spline shaft at one end of the electric mechanism.

A switch of gas turbine oil blanket, when gas turbine need long-time the outage, open or close to fuel oil system's lubricating oil passageway, the maintenance fuel oil system annex prevents its corruption, improves gas turbine's life-span. A switch of gas turbine oil blanket have compact structure, shock-resistant vibration, advantage that the reliability is high, when having solved gas turbine long-term outage, the problem that fuel oil system annex can suffer the remaining corruption of fuel.

Drawings

FIG. 1 is a schematic view of an opening and closing structure of a gas turbine oil seal; wherein 2 is a first gasket, 6 is a sealing ring, 11 is a protective cover, 12 is a second screw, 13 is a second gasket, 14 is a locking plate, 16 is a third gasket, 17 is a fourth gasket, and 31 is a plug;

FIG. 2 is a front view of an opening and closing structure of a gas turbine oil seal;

FIG. 3 is a schematic view of a plugging structure; wherein 18 is an expansion ring, 19 is an adjusting washer, 20 is a stop ring, 21 is a sealing ring, and 22 is a ring

FIG. 4 is a front view of the electric machine;

FIG. 5 is a schematic view of a cylinder clamp; wherein 24 is a nut, 25 is a third washer, 26 is a third screw, 27 is a backing plate, and 28 is a lath

FIG. 6 is a front view of the oil seal switch housing construction; wherein G is a first mark line and H is a second mark line;

FIG. 7 is a schematic diagram of the housing structure of the oil seal switch; wherein 7B is a pin and 7D is a bushing;

FIG. 8 is a schematic view of a signage structure; wherein 7E is a label and 7F is a screw;

FIG. 9 is a front view of the housing assembly structure; wherein 15C is a shell;

fig. 10 is a side view of the housing assembly structure. Wherein 15A is a steel wire, and 15B is a bottom plate;

Detailed Description

The first embodiment is as follows: referring to the drawings, the present embodiment will be described in detail, and as shown in fig. 1 and 2, the present embodiment provides a gas turbine oil seal switch, including: the oil seal switch comprises two plugging covers 1, a plurality of first screws 4, a flange 5, an oil seal switch shell 7, two pipe joints 9, an electric mechanism 10, a housing component 15, a main shaft 29 and a circular pipe 30;

the oil seal switch shell 7 is of a cuboid structure, the cuboid structure is provided with an axial channel along the axial direction, the oil seal switch shell 7 is also provided with a pipe channel, the pipe channel is vertical to the axial channel, the flange 5 is in threaded connection with one end face of the oil seal switch shell 7 through a plurality of first screws 4, and the other end of the oil seal switch shell 7 is communicated with the housing component 15;

the two pipe joints 9 are respectively connected to two ends of a circular pipe 30, the two plugging covers 1 are respectively plugged on the outer ends of the two pipe joints 9, the circular pipe 30 is positioned in a pipe passage, the circular pipe 30 is coaxial with the pipe passage, a first through hole is arranged on the circular pipe 30, and a main shaft of the first through hole is perpendicular to a main shaft of the pipe passage;

the main shaft 29 is of a cylindrical structure, the main shaft 29 is located in the shaft channel, the main shaft 29 is coaxial with the shaft channel, a second through hole is formed in the main shaft 29, the main shaft of the second through hole is perpendicular to the main shaft of the shaft channel, and the first through hole is nested in the second through hole; one end of the spindle 29 is connected to the electric mechanism 10, and the electric mechanism 10 is located in the housing assembly 15.

The second embodiment is as follows: in this embodiment, the switch of the gas turbine oil seal according to the first embodiment is further explained, as shown in fig. 1, a first gasket 3 is provided between the flange 5 and each first screw 4.

The third concrete implementation mode: in this embodiment, the opening and closing of the gas turbine oil seal according to the first embodiment is further explained, and as shown in fig. 1, a second gasket 8 is provided between the oil seal opening and closing housing 7 and two pipe joints 9.

The fourth concrete implementation mode: in this embodiment, the opening and closing of the gas turbine oil seal according to the first embodiment is further explained, and as shown in fig. 4, one end of the main shaft 29 is connected to the spline shaft 23 at one end of the electric mechanism 10.

Claims

1. A gas turbine oil seal switch, comprising: the device comprises two plugging covers (1), a plurality of first screws (4), a flange (5), an oil seal switch shell (7), two pipe joints (9), an electric mechanism (10), a housing component (15), a main shaft (29) and a circular pipe (30);

the oil seal switch shell (7) is of a cuboid structure, the cuboid structure is provided with an axial channel along the axial direction of the cuboid structure, the oil seal switch shell (7) is also provided with a pipe channel, the pipe channel is vertical to the axial channel, the flange (5) is in threaded connection with one end face of the oil seal switch shell (7) through a plurality of first screws (4), and the other end of the oil seal switch shell (7) is communicated with the housing component (15);

the two pipe joints (9) are respectively connected to two ends of a circular pipe (30), the two blocking covers (1) are respectively blocked at the outer ends of the two pipe joints (9), the circular pipe (30) is positioned in a pipe passage, the circular pipe (30) is coaxial with the pipe passage, a first through hole is arranged on the circular pipe (30), and a main shaft of the first through hole is perpendicular to a main shaft of the pipe passage;

the main shaft (29) is of a cylindrical structure, the main shaft (29) is positioned in the shaft channel, the main shaft (29) is coaxial with the shaft channel, a second through hole is formed in the main shaft (29), the main shaft of the second through hole is perpendicular to the main shaft of the shaft channel, and the first through hole is nested in the second through hole; one end of the main shaft (29) is connected with the electric mechanism (10), and the electric mechanism (10) is positioned in the housing component (15).

2. Gas turbine oil seal switch according to claim 1, characterised in that a first washer (3) is provided between the flange (5) and each first screw (4).

3. A gas turbine oil seal switch according to claim 1, characterized in that a second gasket (8) is provided between the oil seal switch housing (7) and both pipe joints (9).

4. The gas turbine oil seal switch according to claim 1, wherein one end of the main shaft (29) is connected to a spline shaft (23) at one end of the electric mechanism (10).