CN218152392U

CN218152392U - Low-temperature butterfly valve of power plant

Info

Publication number: CN218152392U
Application number: CN202222336333.4U
Authority: CN
Inventors: 洪志庆; 洪秀玲; 洪朝阳
Original assignee: Flange Valve Technology Co ltd
Current assignee: Flange Valve Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-27
Anticipated expiration: 2032-09-02

Abstract

The utility model belongs to the technical field of the butterfly valve, especially be a power plant's low temperature butterfly valve, reduction gears include drive gear, linkage gear, driven gear and the balanced gear of installation in the reduction gear casing rotation, drive gear fixes at drive motor output shaft end, driven gear's well core rod and valve clack fixed connection, drive gear and driven gear symmetrical setting, and drive gear and nine balanced gears are located between linkage gear and the driven gear, and linkage gear and driven gear all with drive gear and balanced gear meshing; through the reduction gears who comprises drive gear, linkage gear, driven gear and equalizing gear, and drive gear, linkage gear, driven gear and equalizing gear all rotate and install in the inside of reduction gear casing, and drive gear is fixed with driving motor output shaft simultaneously, and equalizing gear's well core rod is fixed with the valve clack, and parallel arrangement's linkage gear and driven gear pass through drive gear and equalizing gear linkage simultaneously.

Description

Low-temperature butterfly valve of power plant

Technical Field

The utility model belongs to the technical field of the butterfly valve, concretely relates to low temperature butterfly valve of power plant.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

Traditional butterfly valve takes reduction gears to drive the valve clack through the motor, and carries out differential drive through the gear that connects gradually between the traditional reduction gears, and leads to the both ends atress of gear uneven, causes gear wear for reduction gears damages easily, and the inside lubricating oil of reduction gears solidifies easily when low temperature environment, reduces the lubricated effect of gear, still is not convenient for carry out the problem of carrying lubricating oil simultaneously.

Therefore, a butterfly valve which is balanced in stress and not easy to damage of a gear of the speed reducing mechanism needs to be designed, lubricating oil can be heated, and metal conveying of the lubricating oil is facilitated.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a low temperature butterfly valve of power plant.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power plant's low temperature butterfly valve, includes the butterfly disk seat, rotates the valve clack of installing in butterfly disk seat inside to and the retarder casing of butterfly disk seat upper end installation, install the driving motor at retarder casing side surface, and driving motor's output shaft passes through the inside reduction gears and the linkage of valve clack of retarder casing, and reduction gears includes drive gear, linked gear, driven gear and the equalizing gear of retarder casing internal rotation installation, drive gear fixes at driving motor output shaft end, driven gear's well core rod and valve clack fixed connection, drive gear and driven gear are symmetrical to be set up, and drive gear and nine equalizing gear are located between linked gear and the driven gear, and linked gear and driven gear all with drive gear and equalizing gear meshing, the internally mounted of retarder casing has the heating resistor silk that is used for the lubricating of lubricating oil, the inside of retarder casing still installs the oily subassembly of leading that is used for the reduction gears lubrication.

As the utility model discloses a preferred technical scheme of power plant's low temperature butterfly valve leads the oil pump that the oil subassembly includes retarder housing side surface mounting to and the oil pump input passes through the bottom of pipe connection oil collecting cup, retarder housing upper surface fixed's oil collecting cup upper end has closed the bowl cover soon, the bowl cover passes through the pipeline and is connected with the counter weight ball, the counter weight ball is located retarder housing's bottom, and the pipeline that the counter weight ball is connected is fixed at retarder housing's inner wall, it is fixed that oil collecting cup internally mounted's filter core passes through the bowl cover, and filters the core and be used for filtering to the lubrication that gets into in the oil collecting cup, the output of oil pump passes through the pipeline and is connected with the oil collecting ring, and the internal surface at retarder housing upper end is fixed to the oil collecting ring, the lower surface mounting of oil collecting ring has the oil dripping hole, the surface of linkage gear is provided with the oil leakage hole.

As the utility model discloses a preferred technical scheme of power plant's low temperature butterfly valve, cross filter core upper end integrated into one piece and have the spacing bulge loop, spacing annular has been seted up to the upper end of collection oil cup, and the inside at spacing annular is installed to the spacing bulge loop.

As the utility model discloses a preferred technical scheme of power plant's low temperature butterfly valve, the equidistant distribution of oil drip hole of surface mounting under the collection oil ring has ten.

As the utility model discloses a preferred technical scheme of power plant's low temperature butterfly valve, the oil leak hole is the toper structure, and the edge slope setting of the directional linkage gear of lower extreme of oil leak hole.

As the utility model discloses a preferred technical scheme of power plant's low temperature butterfly valve, drive gear and equalizing gear are the toper tooth.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through by drive gear, the linked gear, the reduction gears that driven gear and equalizing gear constitute, and drive gear, the linked gear, driven gear and equalizing gear all rotate the inside of installing at the gear reducer casing, drive gear is fixed with driving motor output shaft simultaneously, equalizing gear's well core rod is fixed with the valve clack, parallel arrangement's linked gear and driven gear pass through drive gear and equalizing gear linkage simultaneously, when being convenient for driving motor output shaft area drive gear to rotate, drive gear takes driven gear to rotate through linked gear and equalizing gear area, thereby be convenient for the valve clack opens and shuts in the butterfly valve seat, the stability of reduction gears has been increased, the heating resistor silk of while gear reducer casing internally mounted, be convenient for heating the lubricating oil that the heating resistor silk was deposited inside the gear reducer casing and heat, thereby prevent that butterfly valve during operation lubricating oil from solidifying in the gear reducer casing, the oil guide subassembly of while gear reducer casing internally mounted, be convenient for oil guide subassembly is lubricated the reduction gears.

2. Through by the oil pump, the counter weight ball, the collection oil cup, the bowl cover, filter the core, the oily subassembly of leading that collection oil ring and oil drip hole are constituteed, the lubricating oil that the oil pump input got into filters through the filter core of collection oil cup internally mounted simultaneously, the inside lubricating oil of collection oil cup gets into through the counter weight ball that the pipeline is connected with the bowl cover simultaneously, and the oil pump output end passes through the pipeline and is connected with collection oil ring, surface mounting has the oil drip hole under the collection oil ring simultaneously, it has through oil drip hole drippage on the linkage gear to be convenient for lubricate, the oil leak hole has been seted up on the linkage gear simultaneously, make lubricating oil enter into drive gear through the oil leak hole, the linkage gear, between driven gear and the equalizing gear, make lubricating oil lubricate reduction gears.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the driving motor and the reducer casing of the present invention.

Fig. 3 is a schematic structural view of the driving gear, the linkage gear and the balance gear of the present invention.

Fig. 4 is a schematic structural view of the oil collecting cup, the cup cover and the filter element of the present invention.

In the figure: 1. a butterfly valve seat; 2. a valve clack; 3. a drive motor; 4. a reducer housing; 5. a drive gear; 6. a linkage gear; 7. a driven gear; 8. balancing gears; 9. heating resistance wires; 10. an oil pump; 11. a counterweight ball; 12. an oil collecting cup; 13. a cup cover; 14. a filter element; 15. a limit convex ring; 16. a limiting ring groove; 17. an oil leak hole; 18. an oil collecting ring; 19. the oil drip hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a low temperature butterfly valve of power plant, including butterfly disk seat 1, rotate and install valve clack 2 at butterfly disk seat 1 inside, and the retarder casing 4 of 1 upper end installation of butterfly disk seat, install the driving motor 3 at 4 side surfaces of retarder casing, and the output shaft of driving motor 3 passes through the inside reduction gears and the linkage of valve clack 2 of retarder casing 4, reduction gears includes the drive gear 5 of 4 internal rotation installations of retarder casing, link gear 6, driven gear 7 and equalizing gear 8, drive gear 5 fixes at the 3 output shaft end of driving motor, the well core rod and the valve clack 2 fixed connection of driven gear 7, drive gear 5 and driven gear 7 symmetry set up, and drive gear 5 and nine equalizing gear 8 are located between link gear 6 and the driven gear 7, and link gear 6 and driven gear 7 all mesh with drive gear 5 and equalizing gear 8, the internally mounted of retarder casing 4 has the heating resistor silk 9 that is used for lubricating oil heating, the lubricated oil guide subassembly that is used for the reduction gears is still installed to the inside of retarder casing 4.

In this embodiment, through the reduction gears who comprises drive gear 5, linkage gear 6, driven gear 7 and equalizing gear 8, and drive gear 5, linkage gear 6, driven gear 7 and equalizing gear 8 all rotate and install in the inside of gear housing 4, drive gear 5 is fixed with driving motor 3 output shaft end simultaneously, the well core rod of equalizing gear 8 is fixed with valve clack 2, parallel arrangement's linkage gear 6 and driven gear 7 pass through drive gear 5 and equalizing gear 8 linkage simultaneously, when being convenient for driving motor 3 output shaft to take drive gear 5 to rotate, drive gear 5 takes driven gear 7 to rotate through linkage gear 6 and equalizing gear 8, thereby be convenient for valve clack 2 to open and shut in butterfly valve seat 1, reduction gears's stability has been increased, heating resistor wire 9 of 4 internally mounted simultaneously, be convenient for heating resistor wire 9 heats the lubricating oil that the internally deposited of gear housing 4, thereby prevent that lubricating oil from solidifying in gear housing 4 when the low temperature work, the oil guiding subassembly of 4 internally mounted simultaneously, be convenient for oil guiding subassembly lubricates reduction gears.

Specifically, the oil guide assembly comprises an oil pump 10 installed on the side surface of the reducer casing 4, the input end of the oil pump 10 is connected with the bottom of an oil collecting cup 12 through a pipeline, a cup cover 13 is screwed at the upper end of the oil collecting cup 12 with a fixed surface on the reducer casing 4, the cup cover 13 is connected with a counterweight ball 11 through a pipeline, the counterweight ball 11 is located at the bottom of the reducer casing 4, the pipeline connected with the counterweight ball 11 is fixed on the inner wall of the reducer casing 4, a filter core 14 installed inside the oil collecting cup 12 is fixed through the cup cover 13, the filter core 14 is used for filtering lubricating oil entering the oil collecting cup 12, the output end of the oil pump 10 is connected with an oil collecting ring 18 through a pipeline, the oil collecting ring 18 is fixed on the inner surface of the upper end of the reducer casing 4, an oil dripping hole 19 is installed on the lower surface of the oil collecting ring 18, and an oil leaking hole 17 is formed in the surface of the linkage gear 6.

In this embodiment, through the oil guide assembly consisting of the oil pump 10, the counterweight ball 11, the oil collecting cup 12, the cup cover 13, the filter element 14, the oil collecting ring 18 and the oil dripping hole 19, meanwhile, the lubricating oil entering from the input end of the oil pump 10 is filtered through the filter element 14 mounted inside the oil collecting cup 12, meanwhile, the lubricating oil inside the oil collecting cup 12 enters through the counterweight ball 11 connected with the cup cover 13 through a pipeline, and the output end of the oil pump 10 is connected with the oil collecting ring 18 through a pipeline, meanwhile, the oil dripping hole 19 is installed on the lower surface of the oil collecting ring 18, so that the lubricating oil can drip on the linkage gear 6 through the oil dripping hole 19, meanwhile, the oil leaking hole 17 is formed in the linkage gear 6, so that the lubricating oil enters the driving gear 5 through the oil leaking hole 17, the linkage gear 6, the driven gear 7 and the balance gear 8, and the lubricating oil lubricates the speed reducing mechanism.

Specifically, a limiting convex ring 15 is integrally formed at the upper end of the filter element 14, a limiting annular groove 16 is formed at the upper end of the oil collecting cup 12, and the limiting convex ring 15 is installed inside the limiting annular groove 16

Specifically, ten oil drip holes 19 are formed in the lower surface of the oil collecting ring 18 at equal intervals.

Specifically, the oil leakage hole 17 is of a conical structure, and the lower end of the oil leakage hole 17 is obliquely arranged towards the edge of the linkage gear 6.

In particular, the driving gear 5 and the equalizing gear 8 are both conical teeth.

The utility model discloses a theory of operation and use flow: when driving motor 3, when heating resistance wire 9 and oil pump 10 are connected with outside power, driving motor 3 output shaft area drive gear 5 is rotatory, drive gear 5 drives driven gear 7 through linked gear 6 and balanced gear 8 and rotates, driven gear 7 drives valve clack 2 at butterfly valve seat 1 internal rotation simultaneously, make the butterfly valve open and shut, when oil pump 10 starts, the inside air of oil collecting cup 12 discharges through oil pump 10, the inside lubricating oil of reduction case 4 gets into in oil collecting cup 12 through counter weight ball 11 simultaneously, the lubricating oil of getting into filters through filter core 14, make the inside lubricating oil of oil collecting cup 12 get into in oil pump 10, the inside lubricating oil of oil collecting ring 18 is poured into through the pipeline to the oil pump 10 output, make lubricating oil drip in driven gear 7 that linked gear 6 surface was seted up through oil dripping hole 19, make lubricating oil to driving gear 5, linked gear 6, driven gear 7 and balanced gear 8 lubricate, heat lubricating oil after heating resistance wire 9 circular telegram simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a low temperature butterfly valve of power plant, includes butterfly disk seat (1), rotates and installs valve clack (2) inside butterfly disk seat (1) to and retarder housing (4) of butterfly disk seat (1) upper end installation, install driving motor (3) at retarder housing (4) side surface, and the output shaft of driving motor (3) passes through the inside reduction gears and valve clack (2) linkage of retarder housing (4), its characterized in that: the speed reducing mechanism comprises a driving gear (5), a linkage gear (6), a driven gear (7) and a balance gear (8), wherein the driving gear (5) is installed in a speed reducing shell (4) in a rotating mode, the output shaft end of the driving motor (3) is fixed to the center rod of the driven gear (7) and a valve clack (2) are fixedly connected, the driving gear (5) and the driven gear (7) are symmetrically arranged, the driving gear (5) and nine balance gears (8) are located between the linkage gear (6) and the driven gear (7), the linkage gear (6) and the driven gear (7) are both meshed with the driving gear (5) and the balance gears (8), a heating resistance wire (9) used for heating lubricating oil is installed inside the speed reducing shell (4), and an oil guide assembly used for lubricating the speed reducing mechanism is further installed inside the speed reducing shell (4).

2. The power plant low temperature butterfly valve of claim 1, wherein: lead oil unit and include oil pump (10) of reduction case (4) side surface mounting to and the bottom that oil pump (10) input passes through pipe connection collection oil cup (12), bowl cover (13) have closed soon on reduction case (4) upper surface fixed collection oil cup (12), bowl cover (13) are connected with counter weight ball (11) through the pipeline, counter weight ball (11) are located the bottom of reduction case (4), and the inner wall at reduction case (4) is fixed to the pipeline that counter weight ball (11) are connected, the filter core (14) of collection oil cup (12) internally mounted is fixed through bowl cover (13), and filter core (14) are used for filtering the lubrication that gets into in collection oil cup (12), the output of oil pump (10) passes through the pipeline and is connected with collection oil ring (18), and collection oil ring (18) fix the internal surface in reduction case (4) upper end, the lower surface mounting of collection oil ring (18) has oil drip hole (19), the surface of linkage gear (6) is provided with oil leak hole (17).

3. The power plant low temperature butterfly valve of claim 2, wherein: filter core (14) upper end integrated into one piece and have spacing bulge loop (15), spacing annular (16) have been seted up to the upper end of collection oil cup (12), and the inside at spacing annular (16) is installed in spacing bulge loop (15).

4. A power plant low temperature butterfly valve according to claim 2, wherein: ten oil dripping holes (19) are formed in the lower surface of the oil collecting ring (18) at equal intervals.

5. A power plant low temperature butterfly valve according to claim 2, wherein: the oil leakage hole (17) is of a conical structure, and the lower end of the oil leakage hole (17) is obliquely arranged towards the edge of the linkage gear (6).

6. The power plant low temperature butterfly valve of claim 1, wherein: the driving gear (5) and the balance gear (8) are both conical teeth.