CN211623995U - Bilateral symmetry's shaft coupling - Google Patents
Bilateral symmetry's shaft coupling Download PDFInfo
- Publication number
- CN211623995U CN211623995U CN201922026198.1U CN201922026198U CN211623995U CN 211623995 U CN211623995 U CN 211623995U CN 201922026198 U CN201922026198 U CN 201922026198U CN 211623995 U CN211623995 U CN 211623995U
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- shaft
- mounting disc
- fastening bolt
- spacing
- axial force
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Abstract
The utility model provides a bilateral symmetry's shaft coupling, it includes initiative end mounting disc, flange, spacer shaft, membrane dish, flexible axle, is become by transmission end mounting disc and supporting fastener, the shaft coupling is used for the torque transmission between the supporting speed reducer of steam turbine and compressor, also has great axial force transmission simultaneously, and the axial thrust dish is not established to the high-speed axle of speed reducer, and it has rational in infrastructure, safe and reliable, long service life, can guarantee the safe and reliable transmission of power and axial force between turbo compressor and the steam turbine, is a neotype coupling device.
Description
Technical Field
The utility model relates to a compressor unit that is used for empty trade, the coal chemical industry's of industry space to separate steam turbine to pull, for the supporting shaft coupling of steam turbine pulling compressor.
Background
The economic development gradually shows a new development trend in the coal chemical industry, and the requirement on the air separation plant is gradually improved. The compressor unit is an important corollary device of the air separation plant, and in order to adapt to the development trend of the coal chemical industry, the improvement and the upgrade are required to be carried out according to the development of situations no matter the flow of the compressor or the performance of the compressor, so that conditions are provided for the selection and optimization technical research of large-scale compressor corollary devices.
Due to the promotion of the demand, a plurality of new technologies are applied to the compressor unit matched with the air separation equipment, so that the technical development of the compressor unit is changing day by day, and the trend of the compressor unit is developing towards large-scale production, low operation cost, stable and reliable equipment operation and the like. At present, the design and manufacture of the domestic coupler reach a certain level, and the design and manufacture of parts such as a membrane disc and a diaphragm matched with the coupler have certain gaps with the advanced foreign level. Therefore, how to realize the safe and reliable matching between the coupler and the compressor, research and development of a new coupler, and improvement of the operational reliability of the coupler will become the key research point of the oil supply device.
Disclosure of Invention
An object of the utility model is to overcome the not enough of prior art existence, and provide a rational in infrastructure, safe and reliable, long service life can guarantee can normal use when compressor unit moves.
The utility model aims at accomplishing through following technical scheme, a bilateral symmetry's shaft coupling, it includes the shaft coupling device of bilateral symmetry about, and the device of this symmetry is connected through fourth fastening bolt, its characterized in that the shaft coupling device of one side wherein comprises ann carousel, flange, spacer shaft, diaphragm, flexbile shaft, the mounting disc is connected through first fastening bolt with the flange respectively, flange is connected through second fastening bolt with the spacer shaft to it is equipped with the diaphragm to press from both sides in the centre, still be equipped with a flexbile shaft in flange and spacer shaft, this flexbile shaft is connected transmission power through third fastening bolt with the spacer shaft.
Preferably, the method comprises the following steps: the fourth fastening bolt is arranged on the spacing shaft and fastens and connects the spacing shafts arranged oppositely on two sides.
Preferably, the method comprises the following steps: the mounting discs are arranged at the end parts of two sides of the coupler, one mounting disc is a driving end mounting disc and is mounted on a turbine rotor shaft head, and the other mounting disc is a driven end mounting disc and is mounted on a speed reducer rotor shaft head matched with the compressor.
The utility model discloses have rational in infrastructure, safe and reliable, long service life can guarantee the safe and reliable transmission of power and axial force between turbocompressor and the steam turbine, is a neotype shaft coupling device.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings: FIG. 1 shows the following steps: the utility model relates to a bilateral symmetry shaft coupling, which comprises a bilateral symmetry shaft coupling device which is connected through a fourth fastening bolt 9, and is characterized in that the shaft coupling device on one side comprises a mounting disc 1, a diaphragm 5, a first spacing shaft 6, a second spacing shaft 10 and a flexible shaft 7, the mounting disc 1 is respectively connected with a connecting flange 3 through a first fastening bolt 2, the connecting flange 3 is connected with the diaphragm 5 through a second fastening bolt 4, the diaphragm 5 is connected with the first spacing shaft 6 through a second fastening bolt 4, a flexible shaft 7 is arranged in the connecting flange 3 and the spacing shaft 6, the flexible shaft 7 is fixed with the spacing shaft 6 and the connecting flange 3 through a third fastening bolt 8 to prevent relative rotation, the fourth fastening bolt 9 is arranged at the joint of the first spacing shaft 6 and the second spacing shaft 10, the two sides of the spacer shaft are in paired arrangement and are fastened and connected, the mounting discs 1 and the mounting discs 11 are arranged at the end parts of the two sides of the coupler, one of the mounting discs is the driving end mounting disc 1 and is mounted on a rotor shaft head of a steam turbine, and the other end of the mounting disc is the driven end mounting disc 11 and is mounted on a rotor shaft head of a speed reducer matched with a compressor.
The specific implementation mode is as follows: the mounting disc 1 is mounted on a shaft head of a rotor of a steam turbine, power of the steam turbine is specially transmitted to a connecting flange 3 through a fastener group 2, the connecting flange 3 transmits the power to a fastener group 4, the fastener group 4 transmits the power to a diaphragm 5, the diaphragm 5 transmits the power to the fastener group 4, the fastening group 4 transmits the power to a spacing shaft 6, the spacing shaft 6 transmits the power to a fastener group 9, the fastener group 9 transmits the power to a spacing shaft 10, the spacing shaft 10 transmits the power to the fastener group 5, the fastener group 5 transmits the power to the diaphragm 5, the diaphragm 5 transmits the power to the fastener group 5, the fastener group 5 transmits the power to the flange 3, the connecting flange 3 transmits the power to the fastener group 2, the fastener group 2 transmits the power to the mounting disc 11, the mounting disc 11 is mounted on the shaft head of the rotor of a speed reducer, the mounting disc 11 transmits, the above is the transfer process of power.
The coupling is designed to transmit axial force, a high-speed shaft of a speed reducer is designed to be of an axial-free limiting structure, a tooth form is a helical gear, axial force can be generated during working, the axial force of the high-speed shaft of the speed reducer is transmitted to a connecting flange 3 through a mounting disc 11, the connecting flange 3 transmits the axial force to a flexible shaft 7, the flexible shaft 7 separates an axial force shaft 6, the separating shaft 6 transmits the axial force to the flexible shaft 7, the flexible shaft 7 transmits the axial force to the flange 3, the flange 3 transmits the axial force to a mounting disc 1, the mounting disc 1 is mounted on a shaft head of a turbine rotor, the mounting disc 1 transmits the axial force to the turbine rotor, and the turbine rotor needs to bear the axial force generated during working of the high-speed shaft of the speed reducer.
The utility model discloses the shaft coupling is used for the power transmission between the supporting speed reducer of steam turbine and compressor, also has great axial force transmission simultaneously. In general, the coupling only transmits torque and transmits a trace amount of axial force, both the coupling and the flexible shaft can transmit the axial force.
Claims (3)
1. A bilateral symmetrical coupler comprises bilateral symmetrical coupler devices which are connected through a fourth fastening bolt (9), it is characterized in that the coupling device at one side consists of a mounting disc (1), a first spacing shaft (6), a diaphragm (5) and a flexible shaft (7), the mounting disc (1) is respectively connected with the connecting flange (3) through a first fastening bolt (2), the connecting flange (3) is connected with the diaphragm (5) through a second fastening bolt (4), the diaphragm (5) is connected with the first spacing shaft (6) through a second fastening bolt (4), a flexible shaft (7) is arranged in the connecting flange (3) and the first spacing shaft (6), the flexible shaft (7) is tightly connected with the first spacing shaft (6) through a third fastening bolt (8).
2. The coupling according to claim 1, wherein the fourth fastening bolt (9) connects the second spacer shaft (10) and fastens the first spacer shaft (6) and the second spacer shaft (10) arranged opposite to each other on both sides.
3. The bilateral symmetry coupling according to claim 1, wherein the mounting discs (1) are disposed at two side ends of the coupling, one of the mounting discs is a driving end mounting disc (1) which is mounted on a turbine rotor shaft head, and the other end is a driven end mounting disc (11) which is mounted on a reducer rotor shaft head matched with a compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922026198.1U CN211623995U (en) | 2019-11-21 | 2019-11-21 | Bilateral symmetry's shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922026198.1U CN211623995U (en) | 2019-11-21 | 2019-11-21 | Bilateral symmetry's shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211623995U true CN211623995U (en) | 2020-10-02 |
Family
ID=72626190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922026198.1U Active CN211623995U (en) | 2019-11-21 | 2019-11-21 | Bilateral symmetry's shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211623995U (en) |
-
2019
- 2019-11-21 CN CN201922026198.1U patent/CN211623995U/en active Active
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