CN209959740U - Open shaft coupling housing - Google Patents
Open shaft coupling housing Download PDFInfo
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- CN209959740U CN209959740U CN201920272262.1U CN201920272262U CN209959740U CN 209959740 U CN209959740 U CN 209959740U CN 201920272262 U CN201920272262 U CN 201920272262U CN 209959740 U CN209959740 U CN 209959740U
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Abstract
The utility model provides an open shaft coupling housing, including the cover casing, the cover casing include with fixed side (3) of rotating mechanical equipment and with have gapped open side (4) between the rotation axis. The utility model discloses can be used for protecting rigid coupling or flexible coupling, absorb axial displacement, reduce the transmission vibration, easy to assemble reduces blast air friction themogenesis, avoids the blast air negative pressure, reduces the risk of oil leak and oil burning.
Description
Technical Field
The utility model relates to a power machinery equipment makes the field, concretely relates to open shaft coupling housing can be used for protecting the shaft coupling between steam turbine, gear box, the generator.
Background
The coupler is a device for connecting two shafts of high-speed rotating mechanical equipment and is a part for transmitting motion and power, and a coupler housing needs to be designed for safety protection.
The traditional coupling housing is provided with two vertical flanges at two ends, and is connected to the outer walls of two rotating machines through vertical flange bolts, wherein the flanges are arranged between a steam turbine and a generator, between the steam turbine and a gear box and between the generator and the gear box. The traditional coupling housing is not adjustable in axial direction, so that the mounting is difficult, and the axial expansion is difficult to absorb; most of the traditional coupling housings are rigidly connected with two rotating machines, so that the possibility of transmitting vibration exists, and the safe operation of equipment is interfered mutually; the inner cavity of the housing is closed, the blower generated by rotation generates negative pressure in the housing, the bearing is easy to leak oil, and the blower generates heat by friction of gas, so that the lubricating oil is in risk of burning.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problem, the present invention provides an open coupling casing for use in a coupling between a steam turbine and a gearbox, or between a steam turbine and a generator, or between a gear machine and a generator.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to an aspect of the utility model, a provide an open shaft coupling housing, including the cover casing, the cover casing include with the fixed side of rotating mechanical equipment and with the rotation axis between have gapped open side.
In some embodiments of the present invention, the cover casing has an upper and a lower half structure, including an upper half of the cover casing and a lower half of the cover casing, and the upper half of the cover casing and the lower half of the cover casing are connected by a split flange bolt.
In some embodiments of the present invention, a lifting structure is disposed on the upper half of the housing.
In some embodiments of the present invention, the lifting structure is a lifting lug or a lifting screw hole.
In some embodiments of the present invention, the lower half of the housing is provided with an opening for draining or returning sewage.
In some embodiments of the present invention, the upper half of the housing and the lower half of the housing enclose a single diameter cylinder or a multi-diameter combination cylinder.
In some embodiments of the present invention, the mid-split flange bolts are symmetrically or asymmetrically arranged.
In some embodiments of the present invention, the upper half of the housing and the lower half of the housing are provided with reinforcing ribs.
In certain embodiments of the present invention, the fixed side is fixedly connected to the rotating mechanical device through a bolt.
In certain embodiments of the present invention, the open coupling housing is used on a coupling between a steam turbine and a generator, or a coupling between a steam turbine and a gearbox, or a coupling between a gearbox and a generator.
Compared with the traditional coupling housing with fixed two ends, the technical scheme of the utility model considers the displacement generated by the axial thermal expansion of the housing, avoids the possibility of rigid connection and vibration transmission of two rotating mechanical devices, and is convenient for installation; compared with the traditional closed type housing, the external air enters the housing through the open end, so that heat generated by blast friction is cooled, negative pressure generated by blast is avoided, and the risk of oil leakage and oil combustion is reduced.
Drawings
Fig. 1 is a sectional view of a first embodiment of the present invention.
Fig. 2 is a plan view of the first embodiment of the present invention.
Fig. 3 is a front view of a second embodiment of the present invention.
Fig. 4 is a plan view of a second embodiment of the present invention.
[ description of reference ]
1-the upper half of the housing;
2-the lower half of the housing;
3-fixed side;
4-open side;
5-split flange bolts;
6-lifting lugs;
7-hoisting screw holes;
8-opening the hole;
9-vertical flange bolts;
10-reinforcing ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
The first embodiment:
in this embodiment, an open coupling cage is provided. As shown in fig. 1 and 2, the open coupling housing comprises: the cover shell, the mid-plane flange bolt 5, the lifting screw hole 7, the open hole 8 and the vertical flange bolt 9.
The cover shell is of an upper half structure and a lower half structure and comprises an upper half 1 of a cover shell and a lower half 2 of the cover shell, wherein the upper half 1 of the cover shell and the lower half 2 of the cover shell are connected through a split flange and a plurality of split flange bolts 5, and a single-diameter cylinder can be enclosed.
The cover shell is provided with a fixed side 3 and an open side 4, the fixed side 3 is used for being fixedly installed with the rotary mechanical equipment, and the fixed side 3 of the cover shell is fixed through a vertical flange bolt 9; a certain gap is formed between the opening side 4 of the cover shell and the rotating shaft, and outside air enters the cover shell through the opening side 4, so that heat generated by blast friction is cooled, negative pressure generated by blast is avoided, and the risk of oil leakage and oil combustion is reduced.
The lifting screw holes 7 are formed in the upper half 1 of the housing and used for lifting, and the lifting screw holes 7 can be multiple.
The opening 8 is arranged on the lower half 2 of the housing and used for draining sewage or returning oil.
As shown in fig. 2, the mid-split flange bolts 5 are arranged in a left-right asymmetrical manner.
The open type coupling housing can be used for protecting a rigid coupling or a flexible coupling, absorbing axial displacement, reducing transmission vibration, facilitating installation, reducing blast friction heating, avoiding blast negative pressure and reducing oil leakage and oil combustion risks.
Second embodiment:
in this embodiment, an open coupling cage is provided. As shown in fig. 3 and 4, the open coupling housing comprises: the cover shell, the mid-plane flange bolts 5, the lifting lugs 6, the vertical flange bolts 9 and the reinforcing ribs 10.
The cover shell is of an upper half structure and a lower half structure and comprises an upper half 1 of a cover shell and a lower half 2 of the cover shell, wherein the upper half 1 of the cover shell and the lower half 2 of the cover shell are connected through a split flange and a plurality of split flange bolts 5, and a multi-diameter combined cylinder can be formed in a surrounding mode.
The cover shell is provided with a fixed side 3 and an open side 4, the fixed side 3 is used for being fixedly installed with the rotary mechanical equipment, and the fixed side 3 of the cover shell is fixed through a vertical flange bolt 9; a certain gap is formed between the opening side 4 of the cover shell and the rotating shaft, and outside air enters the cover shell through the opening side 4, so that heat generated by blast friction is cooled, negative pressure generated by blast is avoided, and the risk of oil leakage and oil combustion is reduced.
The lug 6 sets up on the housing first 1 for lift by crane, lug 6 can be a plurality ofly.
Reinforcing ribs 10 for increasing strength and rigidity are further provided on the housing upper half 1 and the housing lower half 2.
As shown in fig. 4, the mid-split flange bolts 5 are arranged in bilateral symmetry.
The open type coupling housing can be used for protecting a rigid coupling or a flexible coupling, absorbing axial displacement, reducing transmission vibration, facilitating installation, reducing blast friction heating, avoiding blast negative pressure and reducing oil leakage and oil combustion risks.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should have a clear understanding of the open coupling housing of the present invention.
It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Further, the above definitions of the various elements and methods are not limited to the various specific structures, shapes or arrangements of parts mentioned in the examples, which may be easily modified or substituted by those of ordinary skill in the art.
It should also be noted that directional terms, such as "upper", "lower", "front", "rear", "left", "right", etc., used in the embodiments are only directions referring to the drawings, and are not intended to limit the protection scope of the present invention. The embodiments described above may be mixed and matched with each other or with other embodiments based on design and reliability considerations, i.e., technical features in different embodiments may be freely combined to form further embodiments.
It should be noted that throughout the drawings, like elements are represented by like or similar reference numerals. In the following description, some specific embodiments are for illustrative purposes only, and should not be construed as limiting the invention in any way, but merely as exemplifications of embodiments of the invention. Conventional structures or constructions will be omitted when they may obscure the understanding of the present invention. It should be noted that the shapes and sizes of the respective components in the drawings do not reflect actual sizes and proportions, but merely illustrate the contents of the embodiments of the present invention.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An open coupling cage, characterized in that it comprises a cage body comprising a fixed side (3) fixed to a rotating mechanical device and an open side (4) having a clearance with respect to the rotation axis.
2. Open coupling cage according to claim 1, characterized in that the cage body is of a top and bottom half construction, comprising a top cage half (1) and a bottom cage half (2), the top cage half (1) and the bottom cage half (2) being connected by a split flange bolt (5).
3. Open coupling cage according to claim 2, characterized in that the cage upper half (1) is provided with a hoisting structure.
4. Open coupling cage according to claim 3, characterized in that the hoisting structure is a lifting lug (6) or a hoisting screw (7).
5. Open coupling housing according to claim 2, characterized in that the housing lower half (2) is provided with an opening (8) for blow-off or oil return.
6. Open coupling cage according to claim 2, characterized in that the cage upper half (1) and the cage lower half (2) enclose a single-diameter cylinder or a multi-diameter combined cylinder.
7. Open coupling cage according to claim 2, characterized in that the bisecting flange bolts (5) are distributed symmetrically or asymmetrically.
8. Open coupling cage according to claim 2, characterized in that the cage upper half (1) and the cage lower half (2) are provided with stiffening ribs (10).
9. Open coupling cage according to any of claims 1 to 8, characterized in that the fixed side (3) is fixedly connected to the rotating machinery by means of bolts.
10. The open coupling housing according to any one of claims 1 to 8, wherein the open coupling housing is used in a coupling between a steam turbine and a generator, or a coupling between a steam turbine and a gearbox, or a coupling between a gearbox and a generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272262.1U CN209959740U (en) | 2019-03-04 | 2019-03-04 | Open shaft coupling housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272262.1U CN209959740U (en) | 2019-03-04 | 2019-03-04 | Open shaft coupling housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959740U true CN209959740U (en) | 2020-01-17 |
Family
ID=69238354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920272262.1U Active CN209959740U (en) | 2019-03-04 | 2019-03-04 | Open shaft coupling housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135591A (en) * | 2021-11-30 | 2022-03-04 | 华能秦煤瑞金发电有限责任公司 | Diaphragm type coupling housing with cooling anti-shaking effect |
-
2019
- 2019-03-04 CN CN201920272262.1U patent/CN209959740U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135591A (en) * | 2021-11-30 | 2022-03-04 | 华能秦煤瑞金发电有限责任公司 | Diaphragm type coupling housing with cooling anti-shaking effect |
| CN114135591B (en) * | 2021-11-30 | 2023-11-03 | 华能秦煤瑞金发电有限责任公司 | Film type coupling housing with cooling anti-shake effect |
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