CN209875448U - Oil-containing pump open type turbine compressor gear box - Google Patents
Oil-containing pump open type turbine compressor gear box Download PDFInfo
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- CN209875448U CN209875448U CN201920586072.7U CN201920586072U CN209875448U CN 209875448 U CN209875448 U CN 209875448U CN 201920586072 U CN201920586072 U CN 201920586072U CN 209875448 U CN209875448 U CN 209875448U
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Abstract
An open type turbine compressor gear box containing an oil pump belongs to the technical field of turbine compressors, a low-speed shaft is in running fit with a lower gear box body and a gear box cover through a bearing, the outer side of the lower gear box body is connected with an oil pump mounting plate, oil seals are arranged between the low-speed shaft and the oil pump mounting plate as well as between the low-speed shaft and the gear box cover in a matching way, a low-speed shaft between the oil seals and the bearing is connected with a gap bridge gear, a main oil pump is mounted on the oil pump mounting plate, and an oil pump transmission gear meshed with the gap bridge; this patent scheme utilizes the oil pump mounting panel design structure of open-type, combines the gear box body with the oil pump is ingenious, increases oil pump adapted flexibility and main oil pump application scope, including the oil pump of the different specifications of adapted to and the performance of same oil pump configurable different rotational speeds, the optional best performance, the oil pump and the host computer phase-match of rotational speed to adapt to the continuation of compressor under the different frequency, stable, sufficient fuel feeding, for the stable safe operation of host computer provides the guarantee, practice thrift the maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of turbocompressor, concretely relates to oiliness pump open-type turbocompressor gear box.
Background
The turbo compressor is a high-speed operation large machine accelerated by a gear, sufficient lubricating oil must be continuously provided for the gear and a sliding bearing of the equipment during safe operation, an oil supply system with mutually switched main oil pumps is commonly adopted at home and abroad at present, the main oil pump works during normal operation, the auxiliary oil pump is mainly used when a main machine is started and stopped and the main oil pump is insufficient in oil supply, and therefore the reliability of the main oil pump is the key for safe operation of the main machine. The main oil pump of the prior art is fixedly arranged at the motor end of the speed-up gear box, the transmission structure of the main oil pump shaft is fixed, and the rotating speed of the corresponding main oil pump shaft is fixedly designed and cannot be adjusted according to the operation condition. The service life of the turbine compressor is long, a user generally predicts subsequent speed increase and capacity increase when equipment is ordered, a large margin is required to be enlarged when an impeller is designed, the turbine compressor is frequently operated in a frequency conversion speed reduction mode when the turbine compressor is used in an early stage, the operating speed of a main oil pump connected through an inherent transmission structure is correspondingly lower than the designed speed, the oil supply pressure of the main oil pump is insufficient, the main oil pump is tripped and stopped, an auxiliary oil pump is frequently started, the compressor is shut down and interlocked when the turbine compressor is serious, the continuous and stable operation of the turbine compressor is influenced, and economic loss is brought to.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at through the application of open-type gear box structure, provide a main oil pump installation and pump shaft transmission have the oiliness pump open-type turbine compressor gear box of adjustable structure to overcome the problem that exists among the prior art.
The gear box of the open type turbine compressor with the oil pump comprises a lower gear box body, a gear box cover and a low-speed gear rotor which are connected and matched, wherein the low-speed gear rotor comprises a low-speed shaft, a large gear and a coupler which are fixedly connected and matched with the low-speed shaft, and is characterized in that the low-speed shaft is rotationally matched with the lower gear box body and the gear box cover through a bearing, the large gear is installed in a cavity formed by the lower gear box body and the gear box cover, an oil pump installation plate is connected to the outer side of the lower gear box body, an oil seal is arranged between the low-speed shaft and the oil pump installation plate and between the low-speed shaft and the gear box cover in a matched mode, a carrier gear is connected to the low-speed shaft between the oil seal and the.
The gear box of the open type turbine compressor with the oil pump is characterized in that the intermediate gear is fixedly connected with the low-speed shaft through an interference hot sleeve.
The gear box of the open type turbine compressor with the oil pump is characterized in that the oil pump mounting plate is mounted on the lower gear box body through screws, and a box body positioning pin is arranged between the oil pump mounting plate and the lower gear box body in a matched mode.
The gear box of the open type turbine compressor with the oil pump is characterized in that an oil pump assembling hole is formed in the oil pump mounting plate and adopts a stepped structure.
The gear box of the open type turbine compressor with the oil pump is characterized in that a fixed connection structure which is in key connection and locked by nuts is adopted between the oil pump shaft and the transmission gear of the oil pump.
The gear box of the open type turbine compressor with the oil pump is characterized in that concave-convex scarf joint matching structures are respectively adopted among the oil seal, the oil pump mounting plate and the gear box cover.
The gear box of the open type turbine compressor with the oil pump is characterized in that an oil return groove is obliquely formed in the lower gear box body, and a cavity formed by the oil pump mounting plate and the lower gear box body is communicated with an inner cavity of the lower gear box body through the oil return groove.
The gear box of the open type turbine compressor with the oil pump is novel in design and reasonable in conception, the oil pump is ingeniously combined to the gear box body by utilizing the open type oil pump mounting plate design structure, the flexibility of oil pump matching is improved, the oil pumps with different specifications are matched, the performance of different rotating speeds can be configured for the same oil pump, the continuous, stable and sufficient oil supply of the compressor under different frequencies is adapted, the application range of the main oil pump is enlarged, the oil pump with the optimal performance and the rotating speed can be freely selected according to the use process requirements during production to be matched with a host, the stable and safe operation of the host is guaranteed, the maintenance cost is saved, even when the use process of the compressor is changed, the oil pump mounting plate and the oil pump transmission gear are only needed to be replaced, the stable.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic right side view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the oil pump mounting plate;
in the figure: the gear box comprises a gear lower box body 1, an oil return groove 1a, a gear box cover 2, a low-speed gear rotor 3, a low-speed shaft 3a, a large gear 3b, a large gear 3c, a carrier gear 3d, a coupler 4, an oil pump mounting plate 4, an oil pump assembly hole 4a, a positioning pin 4b, a main oil pump 5, an oil pump transmission gear 5a, an oil pump shaft 5b, a bearing 6 and an oil seal 7.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1-3, the gear box of the open type turbine compressor with the oil pump is provided, a lower gear box body 1 and a gear box cover 2 are supported by a bearing 6 and provided with a low-speed shaft 3a in rotating fit, the low-speed shaft 3a, a large gear 3b fixedly connected and matched with the low-speed shaft 3a and a coupling 3d form a low-speed gear rotor 3, the large gear 3b and the coupling 3d are respectively and fixedly connected with two ends of the low-speed shaft 3a in an interference fit mode, the low-speed shaft 3a is connected with a rotating shaft transmission rod of a driving motor of the turbine compressor by the coupling 3d, and the large gear 3b is arranged in a cavity formed by the. The outer side of the lower gear box body 1 is connected with an oil pump mounting plate 4, the oil pump mounting plate 4 is mounted on the lower gear box body 1 through screws, and a box body positioning pin 4b is arranged between the oil pump mounting plate 4 and the lower gear box body 1 in a matched mode, so that deviation correction of a fastening end face during each maintenance can be avoided through the design of the box body positioning pin 4b, and the maintenance efficiency is improved; an oil seal 7 is arranged between the oil pump mounting plate 4 and the gear box cover 2 and between the low-speed shaft 3a in a matching way, and concave-convex scarf joint matching structures are respectively adopted between the oil seal 7 and the oil pump mounting plate 4 and between the oil seal 7 and the gear box cover 2; the low-speed shaft 3a between the oil seal 7 and the bearing 6 is connected with the intermediate gear 3c, the intermediate gear 3c and the low-speed shaft 3a are fixedly connected by adopting an interference hot sleeve, so that the stable connection of the intermediate gear 3c and the low-speed shaft 3a can be ensured, the connection failure after the operation and the temperature rise is avoided, the reliability of the equipment is improved, and the stable rotation of the intermediate gear 3c along with the low-speed shaft 3a in the operation process is realized; the main oil pump 5 is arranged on the oil pump mounting plate 4, the oil pump mounting plate 4 is provided with an oil pump mounting hole 4a, the oil pump mounting hole 4a adopts a step structure to adapt to the installation of main oil pumps 5 with different specifications, the main oil pump 5 is clamped in the oil pump mounting hole 4a, an oil pump shaft 5b extends into the oil pump mounting plate 4 and is sleeved with an oil pump transmission gear 5a, a fixed connection structure which is in key connection and is locked by nuts can be adopted between the oil pump shaft 5b and the oil pump transmission gear 5a, the connection stability can be ensured, the disassembly and the assembly can be convenient, the oil pump transmission gear 5a and the intermediate gear 3c form meshing transmission connection, the intermediate gear 3c rotates along with the low-speed shaft 3a, and the oil pump shaft 5b and the low-speed shaft 3a form transmission connection through the oil pump transmission gear 5a and, the rotating speed of the oil pump shaft 5b can be adjusted by adjusting the meshing ratio of the oil pump transmission gear 5a and the carrier gear 3 c.
In the above embodiment, the oil return groove 1a is obliquely arranged on the gear lower case 1, the cavity formed by the oil pump mounting plate 4 and the gear lower case 1 is communicated with the inner cavity of the gear lower case 1 through the oil return groove 1a, and by means of the oil return design structure, the lubricating oil returned from the oil seal 7, the lubricating oil splashed by the lubrication of the oil pump transmission gear 5a and the carrier gear 3c, and part of the lubricating oil of the bearing 6 all reach the cavity formed by the oil pump mounting plate 4 and the gear lower case 1, and then flow back to the gear lower case 1 from the oil return groove 1a and reach the oil tank of the turbine compressor.
In the above embodiment, the gear lower case 1 is provided with the design structure for mounting the main oil pump 5 by the oil pump mounting plate 4, the main oil pump 5 and the oil pump mounting plate 4 are used as the constituent parts of the gear case body to form the oil pump open type gear case structure, the mounting position of the main oil pump 5 is separated from the gear lower case 1, not only the mounting flexibility is increased, but also the design for adjusting the meshing ratio of the intermediate gear 3c and the oil pump transmission gear 5a is realized, when the use process of the turbine compressor is changed, such as increasing the speed and increasing the yield, only the oil pump transmission gear 5a needs to be replaced, because the shaft end of the oil pump shaft 5b is sleeved with the oil pump transmission gear 5a through the key connection and is fixed by the lock nut, the assembly and disassembly of the oil pump transmission gear 5a are easy, and can be mastered by general mechanic, the design can enable the main oil pump 5 of the same specification to, the oil supply system is well suitable for the compressors with different frequencies, the application range of the main oil pump 5 is enlarged, and the maintenance cost is saved; in addition, the oil pump assembly holes 4a formed in the oil pump mounting plate 4 are designed for various specifications and can be used for assembling the main oil pumps 5 with various performances, the universality of the gear box is enhanced, the main oil pump 5 with the optimal performance and the optimal rotating speed can be freely selected according to the use process requirements during production to be matched with a host, and the stable and safe operation of the turbine compressor is guaranteed.
Above-mentioned embodiment, the actual course of working can adopt oil pump mounting panel 4 and gear lower box 1, gear box lid 2 once with the preface processing, can reduce the axiality deviation of main oil pump 5 and low-speed gear rotor 3, is favorable to the stable performance of main oil pump, prolongs the life of main oil pump 5, is favorable to the stable performance of main oil pump 5, prolongs the life of main oil pump 5.
In the above embodiment, the position of the oil pump assembly hole 4a on the oil pump mounting plate 4 can be adjusted, and the meshing center distance between the carrier gear 3c and the oil pump transmission gear 5a can be correspondingly adjusted, so as to adapt to the use of the main oil pump 5 with more specifications.
Claims (7)
1. An open type gear box of a turbocompressor containing an oil pump comprises a lower gear box body (1), a gear box cover (2) and a low-speed gear rotor (3) which are connected and matched, wherein the low-speed gear rotor (3) comprises a low-speed shaft (3 a), a large gear (3 b) and a coupler (3 d) which are fixedly connected and matched with the low-speed shaft, the open type gear box is characterized in that the low-speed shaft (3 a) is rotationally matched with the lower gear box body (1) and the gear box cover (2) through a bearing (6), the large gear (3 b) is arranged in a cavity formed by the lower gear box body (1) and the gear box cover (2), the outer side of the lower gear box body (1) is connected and provided with an oil pump mounting plate (4), an oil seal (7) is arranged between the low-speed shaft (3 a) and the gear box cover (2) in a matching manner, a gap gear (3 c, the main oil pump (5) is arranged on the oil pump mounting plate (4), and an oil pump transmission gear (5 a) meshed with the carrier gear (3 c) is sleeved on an oil pump shaft (5 b) of the main oil pump (5).
2. The open turbine compressor gearbox for oil-containing pumps according to claim 1, characterized in that the intermediate gear (3 c) is fixedly connected with the low-speed shaft (3 a) by an interference shrink fit.
3. The open type turbine compressor gearbox with the oil pump according to claim 1, wherein the oil pump mounting plate (4) is mounted on the lower gear box body (1) through screws, and a box body positioning pin (4 b) is arranged between the oil pump mounting plate and the lower gear box body (1) in a matched mode.
4. The open type turbine compressor gear box with the oil pump according to claim 1, wherein the oil pump mounting plate (4) is provided with an oil pump mounting hole (4 a), and the oil pump mounting hole (4 a) is of a stepped structure.
5. The open type turbine compressor gearbox with the oil pump according to claim 1, wherein a fixed connecting structure which is in key joint and locked by nuts is adopted between the oil pump shaft (5 b) and the oil pump transmission gear (5 a).
6. The open type turbine compressor gear box with the oil pump according to claim 1, wherein the oil seal (7) and the oil pump mounting plate (4) and the gear box cover (2) are in a concave-convex scarf joint matching structure respectively.
7. The open type turbine compressor gearbox with the oil pump is characterized in that an oil return groove (1 a) is obliquely formed in the lower gear box body (1), and a cavity formed by the oil pump mounting plate (4) and the lower gear box body (1) is communicated with an inner cavity of the lower gear box body (1) through the oil return groove (1 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586072.7U CN209875448U (en) | 2019-04-26 | 2019-04-26 | Oil-containing pump open type turbine compressor gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586072.7U CN209875448U (en) | 2019-04-26 | 2019-04-26 | Oil-containing pump open type turbine compressor gear box |
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| Publication Number | Publication Date |
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| CN209875448U true CN209875448U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920586072.7U Active CN209875448U (en) | 2019-04-26 | 2019-04-26 | Oil-containing pump open type turbine compressor gear box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637083A (en) * | 2020-07-10 | 2020-09-08 | 江苏杰尔科技股份有限公司 | Reverse rotation protection device for compressor |
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2019
- 2019-04-26 CN CN201920586072.7U patent/CN209875448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637083A (en) * | 2020-07-10 | 2020-09-08 | 江苏杰尔科技股份有限公司 | Reverse rotation protection device for compressor |
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