CN220059686U - Small turbine element replacement structure - Google Patents

Abstract

The utility model discloses a small turbine element replacement structure, which comprises a single-hole pipe, wherein the whole single-hole pipe is of a hollow cylindrical structure, a porous piece is coaxially and fixedly arranged at the front end of the single-hole pipe, a communication structure is formed between the porous piece and the single-hole pipe, and a control wire for connecting a TSI element is arranged inside the single-hole pipe and the porous piece in a penetrating way; the mounting screw thread is fixedly arranged on the outer surface of the rear end of the single-hole pipe. This little turbine component replacement structure adopts novel structural design for the device utilizes the inside through-hole of porous to classify TSI's control wire, and utilizes the component identification district to sign, thereby with the control wire that can be quick after the outer cover is dismantled when need examine and repair, this in-process is because the control wire of difference is separated alone, so examine and repair when changing only need find corresponding can, avoid whole dismantlement to cause the damage to other wires.

Description

Small turbine element replacement structure

Technical Field

The utility model relates to the technical field of turbine element replacement, in particular to a small turbine element replacement structure.

Background

The steam turbine is main equipment of thermal power generation, is a rotary steam power device, and utilizes high-temperature and high-pressure steam to drive blades to rotate so as to achieve the purpose of acting, wherein the steam turbine TSI system is a monitoring system and is mainly used for continuously measuring parameters such as rotating speed, vibration, expansion, eccentricity, axial displacement and the like of the steam turbine, so that the normal operation of the steam turbine is ensured;

TSI components in the front box of the steam turbine are directly led into the front-end processor control cabinet through the threading holes of the cylinder body of the small steam turbine, in order to prevent oil in the front box of the small steam turbine from flowing out along the threading holes of the cylinder body, the threading holes of the cylinder body and the TSI components are sealed by special sealant, and as all the TSI components penetrate out from the same hole, the whole sealing treatment is carried out. When any TSI component in the front box of the small machine has a problem and needs to be replaced, the replacement can be performed only after all the sealant in the threading hole of the cylinder body is removed, potential safety hazards of damage to other normal TSI components exist in the process of removing the sealant, the replacement is completed, the sealing treatment is required to be performed again, and the equipment artificial fault rate and the workload of overhaulers are increased.

Disclosure of Invention

The utility model aims to provide a small turbine element replacement structure, which solves the problem that the elements are inconvenient to overhaul and replace in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a little steam turbine component changes structure, includes single hole pipe, porous piece, control wire, mounting thread, installation nut and outer cover board, still includes:

the single-hole pipe is of a hollow cylindrical structure as a whole, a porous piece is coaxially and fixedly arranged at the front end of the single-hole pipe, a communication structure is formed between the porous piece and the single-hole pipe, and a control wire for connecting TSI elements is arranged inside the single-hole pipe and the porous piece in a penetrating manner;

the installation thread is fixedly arranged on the outer surface of the rear end of the single-hole pipe, the single-hole pipe is arranged on the steam turbine equipment through the installation thread, and the installation nut is connected with the external thread of the installation thread;

and the outer cover plate is fixedly arranged outside the side surface of the porous piece by using a screw.

Preferably, through holes through which the control wires pass are uniformly formed in the porous member, and the control wires for controlling the TSI element are fixed through the through holes.

Preferably, the through holes are divided into seven types of key phase holes, first axial displacement holes, second axial displacement holes, rotating speed holes, bearing vibration X holes, bearing vibration Y holes and eccentric holes, and different through holes correspond to control wires with different functions, so that the aim of classification is fulfilled.

Preferably, the outer surface of the outer cover plate is fixedly provided with an element identification area, and the element identification area is provided with seven corresponding to the key phase hole, the first axial displacement hole, the second axial displacement hole, the rotating speed hole, the bearing vibration X hole, the bearing vibration Y hole and the eccentric hole respectively, and the element identification area is used for classifying different types of control wires so as to facilitate subsequent distinguishing.

Preferably, the connecting bolt with a hollow structure is fixedly arranged in the outer cover plate, the connecting bolt is externally connected with a protection hose for protecting the control wire in a threaded manner, and the control wire is protected by the protection hose.

Preferably, the connecting bolt is internally and fixedly provided with a sealing plug, the sealing plug is made of rubber, and the connecting bolt is internally sealed by the sealing plug.

Compared with the prior art, the utility model has the beneficial effects that: this little turbine component change structure adopts novel structural design for the device utilizes the inside through-hole of porous to classify TSI's control wire, and utilizes the component identification district to sign, thereby with the control wire that can be quick after the outer cover is dismantled when need examine and repair, this in-process is because the control wire of difference is separated alone, so examine and repair when changing only need find corresponding can, avoid whole dismantlement to cause the damage to other wires, its concrete content is as follows:

1. the cooperation between porous piece, through-hole and the outer cover plate is used, utilizes the inside through-hole of porous piece to classify the control wire of different effects to only need to dismantle the outer cover plate when dismantling to examine and repair the change, later examine and repair the change to corresponding individual control wire, this process can not lead to the fact the influence to other good control wires, thereby avoid causing the damage to other control wires.

2. The connecting bolt, the element identification area and the sealing plug are used in a time matching way, and the classification of each control wire can be directly observed from the outside by utilizing the element identification area, so that the part which only needs to be overhauled can be quickly found, and the situation that the parts are messy and difficult to distinguish is avoided.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of a porous member according to the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional elevation view of a porous member of the present utility model;

FIG. 4 is a schematic cross-sectional elevation view of an outer cover plate of the present utility model;

fig. 5 is a schematic view of a three-dimensional front view structure of a sealing plug of the utility model.

In the figure: 1. a single-hole tube; 2. a porous member; 3. a control wire; 4. installing a thread; 5. installing a nut; 6. an outer cover plate; 7. a connecting bolt; 8. a protective hose; 9. a through hole; 901. a key phase hole; 902. a first axial displacement bore; 903. a second axial displacement bore; 904. a rotation speed hole; 905. vibrating the X hole of the bearing; 906. bearing vibration Y hole; 907. an eccentric hole; 10. an element identification area; 11. and (5) sealing plugs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a small turbine element replacement structure, comprising a single hole pipe 1, a porous member 2, a control wire 3, mounting threads 4, a mounting nut 5 and an outer cover plate 6, further comprising: the single-hole pipe 1 is of a hollow cylindrical structure as a whole, the front end of the single-hole pipe 1 is coaxially and fixedly provided with a porous piece 2, a communication structure is formed between the porous piece 2 and the single-hole pipe 1, and a control wire 3 for connecting TSI elements is arranged inside the single-hole pipe 1 and the porous piece 2 in a penetrating manner; the installation thread 4 is fixedly arranged on the outer surface of the rear end of the single-hole pipe 1, the single-hole pipe 1 is installed on the steam turbine equipment through the installation thread 4, and the installation nut 5 is connected with the outside of the installation thread 4 through threads; an outer cover plate 6 fixedly installed outside the side surface of the porous member 2 by using screws;

the inside of the porous piece 2 is uniformly provided with a through hole 9 for the control wire 3 to pass through, the through hole 9 is divided into seven of a key phase hole 901, a first axial displacement hole 902, a second axial displacement hole 903, a rotating speed hole 904, a bearing vibration X hole 905, a bearing vibration Y hole 906 and an eccentric hole 907, the outer surface of the outer cover plate 6 is fixedly provided with an element identification area 10, the element identification area 10 is provided with seven corresponding to the key phase hole 901, the first axial displacement hole 902, the second axial displacement hole 903, the rotating speed hole 904, the bearing vibration X hole 905, the bearing vibration Y hole 906 and the eccentric hole 907 respectively, a connecting bolt 7 with a hollow structure is fixedly arranged in the outer cover plate 6, a protection hose 8 for protecting the control wire 3 is connected with the outer thread of the connecting bolt 7, a sealing plug 11 is fixedly arranged in the connecting bolt 7, and the sealing plug 11 is made of rubber;

when the device is used, firstly, the single-hole pipe 1 is fixedly installed on a steam turbine by using the installation screw 4 and the installation nut 5, then the control wire 3 for controlling the TSI component passes through the single-hole pipe 1 and passes out of the through hole 9 in the porous piece 2 (different types of control wires 3 correspond to different through holes 9, the common key phase hole 901, the first axial displacement hole 902, the second axial displacement hole 903, the rotating speed hole 904, the bearing vibration X hole 905, the bearing vibration Y hole 906 and the eccentric hole 907), then the outer cover plate 6 is installed on the outer surface of the porous piece 2 by using screws, the protection hose 8 is installed to protect the control wires 3, when the component needs to be replaced, the corresponding protection hose 8 is removed from the connecting bolt 7 according to the component identification area 10, then the sealing plug 11 in the connecting bolt 7 is detached to replace the component and the control wire 3 (the sealing plug 11 seals the inside the connecting bolt 7), and other components are only required to be replaced in the replacing process, so that the situation of damage is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a little steam turbine component changes structure, includes single hole pipe (1), porous piece (2), control wire (3), mounting thread (4), installation nut (5) and outer cover board (6), its characterized in that still includes:

the single-hole pipe (1) is of a hollow cylindrical structure as a whole, a porous piece (2) is coaxially and fixedly arranged at the front end of the single-hole pipe (1), a communication structure is formed between the porous piece (2) and the single-hole pipe (1), and a control lead (3) for connecting TSI elements is arranged inside the single-hole pipe (1) and the porous piece (2) in a penetrating manner;

the mounting screw thread (4) is fixedly arranged on the outer surface of the rear end of the Shan Kongguan (1), the single-hole pipe (1) is arranged on the steam turbine equipment through the mounting screw thread (4), and the mounting screw thread (4) is externally connected with a mounting nut (5) in a screw thread manner;

and the outer cover plate (6) is fixedly arranged outside the side surface of the porous piece (2) by using screws.

2. A small turbine element replacement structure according to claim 1, wherein: through holes (9) for the control wires (3) to pass through are uniformly formed in the porous piece (2).

3. A small turbine element replacement structure according to claim 2, wherein: the through hole (9) is divided into seven types of key phase holes (901), a first axial displacement hole (902), a second axial displacement hole (903), a rotating speed hole (904), a bearing vibration X hole (905), a bearing vibration Y hole (906) and an eccentric hole (907).

4. A small turbine element replacement structure according to claim 1, wherein: the outer cover plate (6) is fixedly provided with an element identification area (10), and the element identification area (10) is provided with seven corresponding to a key phase hole (901), a first axial displacement hole (902), a second axial displacement hole (903), a rotating speed hole (904), a bearing vibration X hole (905), a bearing vibration Y hole (906) and an eccentric hole (907) respectively.

5. A small turbine element replacement structure according to claim 1, wherein: the connecting bolt (7) with a hollow structure is fixedly arranged in the outer cover plate (6), and a protection hose (8) for protecting the control wire (3) is connected to the outer thread of the connecting bolt (7).

6. The small turbine element replacement structure according to claim 5, wherein: the connecting bolt (7) is internally and fixedly provided with a sealing plug (11), and the sealing plug (11) is made of rubber.