CN205936720U - Integrated seat frame quick installation steam turbine - Google Patents

Abstract

The utility model discloses a fast-installed steam turbine with an integrated seat frame, which comprises a seat frame with an integral structure, a front bearing seat, a steam turbine body and a rear bearing seat sequentially arranged on the seat frame, and one end of the front bearing seat and the steam turbine body is passed through a bolt Fixed connection, the front bearing seat is connected with the seat frame through a longitudinal key to adapt to the longitudinal free thermal expansion of the steam turbine; the steam turbine body is connected with the seat frame through a horizontal key to adapt to the horizontal free expansion of the cylinder; The other end is connected, and the lower end of the rear bearing seat is fixedly connected with the seat frame through a taper pin. The utility model makes the structure of the 3.5-6MW steam turbine more compact, occupies less space, is simple and convenient to assemble, and can realize quick assembly, which is deeply loved by users.

Description

Integrated seat frame quick installation steam turbine

technical field

The utility model belongs to the field of steam turbines, in particular to an integrated seat frame quick-installation steam turbine.

Background technique

Small and medium-sized steam turbines are mostly used in waste heat power generation, traction and cogeneration projects, and are often limited by the location of the installation site. Therefore, a compact structure is required for the design of the steam turbine. For steam turbines below 3MW, it is usually made into a small volume, high speed (5600r/min), oil tank chassis structure; and for steam turbines above 3MW, most of them are currently made into a double-layer structure. Not only is the structure complex and occupies a large space, but it is also inconvenient to install on site. In the utility model, the steam turbine between 3.5MW and 6MW is made into an integrated structure of seat frame. Steam turbines above 6MW are generally not easy to make this structure due to their large volume and weight.

Utility model content

The purpose of the utility model is to provide an integrated seat frame quick-installation steam turbine. The steam turbine has a compact structure, a small footprint, simple and convenient assembly, and is convenient for transportation and installation.

The technical solution adopted by the utility model is: an integrated seat frame quick-installation steam turbine, including a seat frame of an integral structure and a front bearing seat, a steam turbine body and a rear bearing seat arranged on the seat frame in sequence, the front bearing seat and the steam turbine body One end of the shaft is fixedly connected by bolts, the front bearing seat is connected with the seat frame through a longitudinal key to adapt to the longitudinal free thermal expansion of the steam turbine; the steam turbine body is connected with the seat frame through a horizontal key to adapt to the lateral free expansion of the cylinder; the side end of the rear bearing seat It is connected with the other end of the steam turbine body, and the lower end of the rear bearing seat is fixedly connected with the seat frame through a taper pin.

As a further optimization of the integrated seat frame quick-installation steam turbine of the utility model, the rear bearing seat is connected with the cylinder through a vertical key.

As a further optimization of the integrated seat frame quick-installation steam turbine of the utility model, the steam turbine body is connected with the seat frame through two transverse keys.

Compared with the prior art, the utility model has at least the following advantages and beneficial effects:

The integrated seat frame quick-installation steam turbine provided by the utility model, for the steam turbine with a power range of 3.5~6MW, the steam turbine body is placed on a seat frame to make it compact in structure, convenient for transportation and on-site installation; the front bearing seat and The keyway processing of the cylinder is placed after the front bearing seat and the cylinder are combined to ensure the positional relationship between the keyways. The utility model makes the structure of the 3.5-6MW steam turbine more compact, takes up less space, is simple and convenient to assemble, can realize quick assembly, and is deeply loved by users.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Reference signs: 1, front bearing seat, 2, longitudinal key, 3, steam turbine body, 4, transverse key, 5, rear bearing seat, 6, seat frame.

detailed description

In order to make the content of the utility model more obvious and understandable, the utility model will be described in detail below in conjunction with specific embodiments.

As shown in the figure, the integrated seat frame quick-installation steam turbine includes a seat frame 6 of an integral structure and a front bearing seat 1, a steam turbine body 3 and a rear bearing seat 5 arranged on the seat frame 6 in sequence. The front bearing seat 1 and the steam turbine One end of the body 3 is fixedly connected by bolts, and the front bearing seat 1 is connected with the seat frame 6 through the longitudinal key 2 to adapt to the longitudinal free thermal expansion of the steam turbine; the steam turbine body 3 is connected to the seat frame 6 through the horizontal key 4 to adapt to the horizontal free expansion of the cylinder; The side end of the rear bearing seat 5 is connected with the other end of the steam turbine body 3, and the lower end of the rear bearing seat 5 is fixedly connected with the seat frame 6 through a taper pin.

In order to make the utility model have a better use effect, the rear bearing seat 5 is connected with the cylinder through a vertical key. The steam turbine body 3 is connected to the seat frame 6 through two transverse keys 4 .

The integrated seat frame quick-installation steam turbine provided by the utility model is aimed at steam turbines with a power range of 3.5-6MW. The steam turbine body is placed on a seat frame to make it compact in structure and convenient for transportation and on-site installation; the front bearing seat and The keyway processing of the cylinder is placed after the front bearing seat and the cylinder are combined to ensure the positional relationship between the keyways. The utility model makes the structure of the 3.5-6MW steam turbine more compact, takes up less space, is simple and convenient to assemble, can realize quick assembly, and is deeply loved by users.

The technical solutions and implementations listed in the utility model are not limiting, and the solutions that are equivalent to or have the same effect as the technical solutions and implementations listed in the utility model are all within the protection scope of the utility model.

Claims (3)

1. integrated mounting fast-assembling steam turbine it is characterised in that：Mounting including integrative-structure（6）Be successively set on mounting （6）On front-end bearing pedestal（1）, turbine body（3）And rear bearing block（5）, described front-end bearing pedestal（1）With turbine body（3） One end be bolted to connection, front-end bearing pedestal（1）By longitudinal key（2）With mounting（6）Connect to adapt to the vertical of steam turbine To free thermal expansion；Turbine body（3）By cross key（4）With mounting（6）Connect to adapt to the laterally free expansion of cylinder； Described rear bearing block（5）Side and turbine body（3）The other end connect, rear bearing block（5）Lower end pass through taper pin with Mounting（6）It is fixedly connected.

2. as claimed in claim 1 integration mounting fast-assembling steam turbine it is characterised in that：Described rear bearing block（5）By hanging down Straight key is connected with cylinder.

3. as claimed in claim 1 integration mounting fast-assembling steam turbine it is characterised in that：Described turbine body（3）Pass through Two cross keies（4）With mounting（6）Connect.