CN-121989034-A - Large-sized compressor shell supporting and aligning device

CN121989034ACN 121989034 ACN121989034 ACN 121989034ACN-121989034-A

Abstract

The invention discloses a large-sized compressor shell supporting and aligning device, which relates to the technical field of compressors and mainly aims to improve the installation precision of a dummy shaft, avoid scraping and touching the seal of the dummy shaft and a shell and improve the assembly and alignment precision of a baffle plate and the seal. The main technical scheme is that the large-sized compressor shell supporting and aligning device comprises a first supporting part, a second supporting part and a dummy shaft, wherein the first supporting part is connected with a partition plate of a compressor shell, the second supporting part is rotatably connected with the first supporting part and is positioned at the upper part of the first supporting part, the second supporting part comprises a roller, and the second supporting part is used for rotating relative to the first supporting part so as to change the rolling direction of the roller, and the dummy shaft is supported on the roller and is in rolling connection with the roller.

Inventors

ZHANG YONG
GUAN XIN
HAO CHUNNA
JIANG WENJIA
ZHU GUANHUA

Assignees

沈阳透平机械股份有限公司
沈鼓集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260210

Claims (10)

1. A large compressor housing support alignment device, comprising: a first support portion connected with a partition of the compressor housing; the second supporting part is rotationally connected with the first supporting part and is positioned at the upper part of the first supporting part, the second supporting part comprises a roller, and the second supporting part is used for rotating relative to the first supporting part so as to change the rolling direction of the roller; And the dummy shaft is supported on the roller and is in rolling connection with the roller.
2. The large compressor housing support alignment apparatus of claim 1, The second supporting part comprises a first supporting plate, and the first supporting plate is rotationally connected with the first supporting part; the number of the rollers is at least two, the at least two rollers are rotatably arranged on the first supporting plate, and the at least two rollers are oppositely arranged and have the same rolling direction; The first supporting plate is used for rotating relative to the first supporting part so as to drive the roller to rotate.
3. The large compressor housing support alignment apparatus of claim 1, The second support portion rotates at an angle of 90 degrees relative to the first support portion.
4. The large compressor housing support alignment apparatus of claim 1, The first supporting portion further comprises a lifting portion, the lifting portion is rotatably connected with the second supporting portion, and the lifting portion is used for adjusting the position of the second supporting portion along the longitudinal direction.
5. The large compressor housing support alignment apparatus of claim 4, The lifting part comprises a locating sleeve, a lifting nut and a screw rod, wherein the lifting nut is rotationally connected in the locating sleeve through a bearing, the screw rod is in threaded connection with the lifting nut, and the screw rod is rotationally connected with the second supporting part.
6. The large compressor housing support alignment apparatus of claim 5, The outer wall of the screw rod is provided with a positioning groove, and the positioning groove extends along the length direction of the screw rod; the locating sleeve comprises a sleeve body and a limiting piece, and the limiting piece penetrates into the sleeve body and is clamped in the locating groove.
7. The large compressor housing support alignment apparatus of claim 5, The first supporting part further comprises at least one handle, the handle is connected with the side wall of the lifting nut, and at least one handle is distributed along the circumferential direction of the lifting nut at intervals.
8. The large compressor housing support alignment apparatus of claim 4, The first supporting part further comprises a second supporting plate and two connecting pieces, the second supporting plate is connected with the lifting part, the two connecting pieces are arranged on the second supporting plate at intervals, and the connecting pieces are L-shaped; The baffle includes the baffle groove, the connecting piece with baffle groove block connection.
9. The large compressor housing support alignment device of claim 8, The mounting position of at least one of the connectors on the second support plate is adjustable.
10. The large compressor housing support alignment device of claim 8, The lifting part comprises a positioning sleeve, and a convex column is arranged at the bottom of the positioning sleeve; the second support plate is provided with a mounting hole, the convex column is inserted into the mounting hole, and the bottom surface of the positioning sleeve is abutted to the surface of the second support plate.

Description

Large-sized compressor shell supporting and aligning device Technical Field The invention relates to the technical field of compressors, in particular to a large-sized compressor shell supporting and aligning device. Background The compressor assembly generally employs a dummy shaft to simulate the axial position and dimensions of the rotor, thereby assisting in the precise positioning and assembly of stationary components such as the casing, the diaphragm, and the seal. In order to meet the requirements of industrial production on ‌ for high efficiency, energy conservation and continuous operation ‌, the compressor is gradually enlarged, the axial length of a shell of the compressor and the length of a dummy shaft are larger and larger, the dummy shaft is installed from one side of an end cover, extends out of the end cover at the other side and is placed on dummy tiles at two sides, the dummy shaft is easy to generate deflection deformation due to dead weight, the shell and the dummy shaft cannot be assembled in a centering manner, the dummy shaft and the shell are sealed to generate scraping and collision, the shell seal and a partition plate are easy to damage, and meanwhile, the assembly alignment precision of the partition plate and the seal is also reduced. Disclosure of Invention In view of this, the embodiment of the invention provides a large-sized compressor shell supporting and aligning device, which mainly aims to improve the installation precision of a dummy shaft, avoid scraping and touching the seal of the dummy shaft and the shell, and improve the assembly and alignment precision of a baffle plate and the seal. In order to achieve the above purpose, the present invention mainly provides the following technical solutions: in a first aspect, an embodiment of the present invention provides a large compressor casing support alignment device, including: a first support portion connected with a partition of the compressor housing; the second supporting part is rotationally connected with the first supporting part and is positioned at the upper part of the first supporting part, the second supporting part comprises a roller, and the second supporting part is used for rotating relative to the first supporting part so as to change the rolling direction of the roller; And the dummy shaft is supported on the roller and is in rolling connection with the roller. Optionally, the second supporting part comprises a first supporting plate, and the first supporting plate is rotationally connected with the first supporting part; the number of the rollers is at least two, the at least two rollers are rotatably arranged on the first supporting plate, and the at least two rollers are oppositely arranged and have the same rolling direction; The first supporting plate is used for rotating relative to the first supporting part so as to drive the roller to rotate. Optionally, the angle of rotation of the second support portion relative to the first support portion is 90 degrees. Optionally, the first supporting portion further includes a lifting portion, the lifting portion is rotatably connected with the second supporting portion, and the lifting portion is used for adjusting a position of the second supporting portion along a longitudinal direction. Optionally, the lifting part comprises a positioning sleeve, a lifting nut and a screw rod, wherein the lifting nut is rotationally connected in the positioning sleeve through a bearing, the screw rod is in threaded connection with the lifting nut, and the screw rod is rotationally connected with the second supporting part. Optionally, a positioning groove is formed in the outer wall of the screw rod, and the positioning groove extends along the length direction of the screw rod; the locating sleeve comprises a sleeve body and a limiting piece, and the limiting piece penetrates into the sleeve body and is clamped in the locating groove. Optionally, the first supporting portion further includes at least one handle, the handle is connected with the lateral wall of the lifting nut, and at least one handle is arranged along the circumference interval of the lifting nut. Optionally, the first supporting part further includes a second supporting plate and two connecting pieces, the second supporting plate is connected with the lifting part, the two connecting pieces are arranged on the second supporting plate at intervals, and the connecting pieces are L-shaped; The baffle includes the baffle groove, the connecting piece with baffle groove block connection. Optionally, the mounting position of at least one of the connectors on the second support plate is adjustable. Optionally, the lifting part comprises a positioning sleeve, and a convex column is arranged at the bottom of the positioning sleeve; the second support plate is provided with a mounting hole, the convex column is inserted into the mounting hole, and the bottom surface of the positioning sleeve is abutted to the