CN113550986B - Nuclear power station lubricating grease lubrication rotating equipment bearing cooling device - Google Patents

Nuclear power station lubricating grease lubrication rotating equipment bearing cooling device Download PDF

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Publication number
CN113550986B
CN113550986B CN202110721983.8A CN202110721983A CN113550986B CN 113550986 B CN113550986 B CN 113550986B CN 202110721983 A CN202110721983 A CN 202110721983A CN 113550986 B CN113550986 B CN 113550986B
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China
Prior art keywords
ventilation cavity
module
release control
nuclear power
control module
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Active
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CN202110721983.8A
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Chinese (zh)
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CN113550986A (en
Inventor
钟宝阳
王飞龙
何创
李永军
马信锋
彭华俊
张金玲
胡继忠
马春明
钟腾飞
陈坤池
谢祖妙
孙建国
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China Nuclear Industry Maintenance Co Ltd
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China Nuclear Industry Maintenance Co Ltd
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Priority to CN202110721983.8A priority Critical patent/CN113550986B/en
Publication of CN113550986A publication Critical patent/CN113550986A/en
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Publication of CN113550986B publication Critical patent/CN113550986B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C37/00—Cooling of bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Devices (AREA)

Abstract

The invention provides a bearing cooling device for lubricating and rotating equipment of lubricating grease in a nuclear power station, which comprises a gas release control module, a gas source module and a hose connecting module, wherein a ventilation cavity is arranged in the gas release control module, the gas source module is detachably connected with the gas release control module and is communicated with the ventilation cavity, the hose connecting module is detachably connected with the gas release control module and is communicated with the ventilation cavity, the gas release control module is used for opening the ventilation cavity to communicate the gas source module with the hose connecting module, and the gas release control module is also used for closing the ventilation cavity to disconnect the communication between the gas source module and the hose connecting module. The bearing cooling device for the lubricating grease lubrication rotating equipment of the nuclear power station, provided by the invention, has the advantages that the problem of overlong hose connection is avoided, the carrying is convenient, the device is not limited by a compressed air system, the release of compressed air is convenient to control, and the device can immediately respond and process.

Description

Nuclear power station lubricating grease lubrication rotating equipment bearing cooling device
Technical Field
The invention relates to the technical field of nuclear power maintenance, in particular to a bearing cooling device for lubricating and rotating equipment of a nuclear power station.
Background
If excessive grease is injected into the bearing during the periodic lubrication of the equipment, the temperature of the bearing will rise rapidly during operation due to the resistance of the excess grease. The high temperature of the bearing may last for tens of minutes, or even hours, due to the influence of grease quality, loading, etc. in the bearing structure. If the bearing temperature is above the bearing temperature design limit, damage to the bearing may result, rendering the device unusable.
At present, a compressed air system is connected on an overhaul site, and a valve is used for controlling compressed air to be released so as to extrude excessive lubricating grease in a bearing, and further, the purpose of cooling the bearing is achieved. However, the device has the defects that the hose connection is too long, the valve cannot control the release of compressed air in time, and the device cannot respond immediately if the temperature of a bearing of the device is high.
Disclosure of Invention
The embodiment of the invention aims to provide a cooling device for a bearing of lubricating grease lubrication rotating equipment of a nuclear power station, and aims to solve the technical problems that in the prior art, the hose connection of the cooling device is too long, and the response cannot be timely carried out.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a lubricated rotating equipment bearing heat sink of nuclear power station lubricating grease, includes gaseous release control module, air supply module and hose connection module, be provided with the chamber of ventilating in the gaseous release control module, air supply module with gaseous release control module can dismantle connect and with the chamber intercommunication of ventilating, hose connection module with gaseous release control module can dismantle connect and with the chamber intercommunication of ventilating, gaseous release control module is used for opening the chamber of ventilating, with the intercommunication air supply module with hose connection module, gaseous release control module still is used for closing the chamber of ventilating, with the disconnection air supply module with hose connection module's intercommunication.
Optionally, the gas release control module comprises a main body member and a handle assembly, the main body member is provided with the ventilation cavity, a first interface for connecting the gas source module, a second interface for connecting the hose connection module, a third interface for connecting the handle assembly and communicating with the ventilation cavity, a first air passage for communicating the first interface and the ventilation cavity, and a second air passage for communicating the second interface and the ventilation cavity, and one end of the handle assembly can move axially in the ventilation cavity to open or close the ventilation cavity.
Optionally, the handle assembly includes an opening and closing member disposed in the ventilation cavity and used for opening or closing the ventilation cavity, a connecting member coaxially connected to the opening and closing member and sleeved in the third interface, a handle connected to an end of the connecting member away from the opening and closing member, and a fastening member for fastening the handle to the connecting member.
Optionally, the fastener is coaxially connected to the connecting member, and the handle is disposed perpendicular to the connecting member.
Optionally, the ventilation cavity is tapered, the switch member includes a tapered portion and a connecting portion coaxially connected to the tapered portion, a connecting groove is formed in an end of the connecting member close to the switch member, and one end of the connecting portion is inserted into the connecting groove.
Optionally, an annular protrusion is arranged on the connecting portion in a protruding manner radially outwards, an annular groove is formed between the annular protrusion and the tapered portion, and the handle assembly further comprises a sealing ring arranged in the annular groove.
Optionally, one end of the connecting piece close to the switch piece is in threaded connection with the third interface, and one end of the fastening piece penetrates through the handle and then is in threaded connection with the connecting piece.
Optionally, the gas release control module further comprises a bottle opening component, a sealing gasket and a first connecting joint which are arranged in the first interface from inside to outside in sequence, the first connecting joint is of an inner hollow structure and is used for being detachably connected with the gas source module, one end of the bottle opening component is penetrated through the sealing gasket and is used for being opened with the gas source module, the bottle opening component is provided with a sub-gas passage for communicating the gas source module with the first gas passage.
Optionally, the bottle opening component includes a disk portion abutting against the bottom of the first connector, a cylindrical portion connected to the disk portion and extending toward the first connector, and a conical portion connected to an end of the cylindrical portion far away from the disk portion, the conical portion extending into the first connector, and the sub-air passage sequentially penetrates through the disk portion, the cylindrical portion, and the conical portion.
Optionally, the hose connection module includes the hose, connect respectively in the second joint and the third joint at the both ends of hose, and connect in the third joint is kept away from the bearing oil nozzle joint of the one end of hose, the second joint be used for with the connection can be dismantled to the second interface, bearing oil nozzle joint is used for connecting the bearing oil nozzle.
The cooling device for the bearing of the lubricating grease lubrication rotating equipment of the nuclear power station, provided by the invention, has the beneficial effects that: compared with the prior art, the cooling device for the bearing of the lubricating grease lubrication rotating equipment of the nuclear power station is provided with the gas release control module, the gas source module and the hose connection module, the gas release control module is internally provided with the ventilation cavity, the gas source module and the hose connection module are respectively detachably connected with the gas release control module and are both communicated with the ventilation cavity, the gas release control module is used for opening or closing the ventilation cavity so as to connect or disconnect the gas source module and the hose connection module, the cooling device has no problem of overlong hose connection, is convenient to carry, is not limited by a compressed air system, is convenient to control compressed air release, and can immediately respond to treatment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a cooling device for a bearing of a grease lubrication rotating device of a nuclear power plant according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a gas release control module according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a gas release control module according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a body member provided in accordance with an embodiment of the present invention;
fig. 5 is a schematic perspective view of a switch according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a bottle opener according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a hose coupling module according to an embodiment of the present invention;
fig. 8 is a sectional view of an air supply module according to an embodiment of the present invention.
Wherein, in the figures, the various reference numbers:
10. a gas release control module; 11. a main body member; 111. a vent lumen; 112. a first interface; 113. a second interface; 114. a third interface; 115. a first air passage; 116. a second air passage; 12. a handle assembly; 121. a switch member; 1211. a tapered portion; 1212. a connecting portion; 1213. an annular projection; 1214. an annular groove; 122. a connecting member; 123. a handle; 124. a fastener; 13. a seal ring; 14. a bottle opening part; 140. a sub-airway; 141. a disk portion; 142. a columnar portion; 143. a conical section; 15. a gasket; 16. a first joint; 20. an air source module; 21. a bottle body; 22. a bottle mouth; 30. a hose connection module; 31. a hose; 32. a second joint; 33. a third joint; 34. and a bearing oil nozzle joint.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, a cooling device for a bearing of a lubricating grease lubrication rotating equipment of a nuclear power plant according to an embodiment of the present invention will now be described. The bearing cooling device for the lubricating grease lubrication rotating equipment of the nuclear power plant comprises a gas release control module 10, a gas source module 20 and a hose connecting module 30. Wherein, be provided with the chamber 111 of ventilating in the gaseous release control module 10, air supply module 20 can dismantle with gaseous release control module 10 and be connected and with the chamber 111 intercommunication of ventilating, hose connection module 30 can dismantle with gaseous release control module 10 and be connected and with the chamber 111 intercommunication of ventilating, gaseous release control module 10 is used for opening the chamber 111 of ventilating to communicate air supply module 20 and hose connection module 30, gaseous release control module 10 still is used for closing the chamber 111 of ventilating, in order to disconnect the intercommunication of air supply module 20 and hose connection module 30. In a specific application, the hose connection module 30 is connected to the bearing oil nozzle, the vent cavity 111 is opened by operating the air release control module 10, and the air from the air source module 20 passes through the vent cavity 111 and the hose connection module 30 to squeeze out excess grease from the bearing.
In the embodiment, the air source module 20 is adopted, so that the carrying is convenient, the connection with the bearing oil injection nozzle can be realized through the short hose 31, and the problem that the hose 31 is too long does not exist; the gas source module 20 and the hose connection module 30 are detachably connected with the gas release control module 10, so that the gas source module 20 and the hose connection module 30 can be conveniently disassembled and assembled, and meanwhile, the gas source module 20 and the hose connection module 30 are conveniently carried after being disassembled; the gas flows directly from the gas source module 20 without being limited to a compressed air system; the vent chamber 111 can be opened by operating the gas release control module 10 to squeeze out excess grease in the bearing, facilitating the controlled release of compressed air, and enabling immediate response to the treatment.
Compared with the prior art, the cooling device for the bearing of the lubricating grease lubrication rotating equipment of the nuclear power station is provided with the gas release control module 10, the gas source module 20 and the hose connecting module 30, the ventilation cavity 111 is arranged in the gas release control module 10, the gas source module 20 and the hose connecting module 30 are respectively detachably connected with the gas release control module 10 and are both communicated with the ventilation cavity 111, the gas release control module 10 is used for opening or closing the ventilation cavity 111 so as to connect or disconnect the connection between the gas source module 20 and the hose connecting module 30, and the cooling device does not have the problem of overlong connection of the hose 31, is convenient to carry, is not limited by a compressed air system, is convenient to control compressed air release and can immediately respond to treatment.
In one embodiment of the present invention, referring to fig. 2-4, the gas release control module 10 includes a body member 11 and a handle assembly 12. The main body 11 is provided with the ventilation cavity 111, and further provided with a first connector 112, a second connector 113, a third connector 114, a first air duct 115 and a second air duct 116, the first connector 112 is communicated with the ventilation cavity 111 and is used for connecting the air source module 20, the second connector 113 is communicated with the ventilation cavity 111 and is used for connecting the hose connection module 30, the third connector 114 is communicated with the ventilation cavity 111 and is used for connecting the handle assembly 12, the first air duct 115 is used for communicating the first connector 112 with the ventilation cavity 111, the second air duct 116 is used for communicating the second connector 113 with the ventilation cavity 111, and one end of the handle assembly 12 can move axially in the ventilation cavity 111 to open or close the ventilation cavity 111. In a specific application, the handle assembly 12 is operated to move the handle assembly 12 axially in the ventilation cavity 111, so as to open the ventilation cavity 111, and at this time, the air from the air source module 20 sequentially passes through the first air passage 115, the ventilation cavity 111, the second air passage 116, and the hose connection module 30 to reach the bearing. Preferably, the first port 112 is disposed perpendicular to the second port 113, and the second port 113 is disposed coaxially with the third port 114, so as to shorten the lengths of the first air passage 115 and the second air passage 116, while simplifying the structure of the main body 11.
In one embodiment of the present invention, referring to fig. 2-4, the handle assembly 12 includes a switch member 121, a connecting member 122, a handle 123 and a fastener 124. The switch element 121 is disposed in the ventilation cavity 111 and is used for opening or closing the ventilation cavity 111, the connecting element 122 is coaxially connected to the switch element 121 and sleeved in the third port 114, the handle 123 is connected to one end of the connecting element 122 away from the switch element 121, and the fastening element 124 is used for fastening the handle 123 to the connecting element 122. In a specific application, the handle 123 is rotated to rotate the connecting member 122, and further the switch member 121 is moved in an axial direction to open or close the vent cavity 111, when the vent cavity 111 is opened, the air from the air source module 20 enters the hose connecting module 30 through the vent cavity 111 and then enters the bearing, so as to squeeze out the excess grease in the bearing.
In one embodiment of the present invention, referring to fig. 3, the fastening member 124 is coaxially connected to the connecting member 122, and the handle 123 is vertically disposed to the connecting member 122. In this embodiment, the fastening member 124 is coaxially connected to the connecting member 122, so that the connecting member 122 is rotated by the rotation of the handle 123, and the handle 123 is perpendicular to the connecting member 122, thereby simplifying the overall structure of the cooling device and enabling a user to rotate the handle 123 with a small force. In a particular application, the fasteners 124 may be screws or bolts or the like.
In one embodiment of the present invention, referring to fig. 3 and 5, the vent cavity 111 is tapered, and the switch element 121 includes a tapered portion 1211 and a connecting portion 1212 coaxially connected to the tapered portion 1211. A connecting groove is formed at one end of the connecting member 122 close to the switch member 121, and one end of the connecting portion 1212 remote from the tapered portion 1211 is inserted into the connecting groove. In this embodiment, the ventilation cavity 111 is tapered, so that the switching element 121 can be displaced slightly in the axial direction to open the communication between the air source module 20 and the hose connection module 30; the switch member 121 is axially fixedly connected to the connecting member 122, such that the switch member 121 can move axially together with the connecting member 122 to open or close the vent chamber 111, but the switch member 121 can rotate relative to the connecting member 122 to prevent the switch member 121 from rotating together with the connecting member 122 to rub against the chamber wall of the vent chamber 111.
In an embodiment of the present invention, referring to fig. 3 and fig. 5, an annular protrusion 1213 is disposed on the connecting portion 1212 in a protruding manner, and an outer peripheral surface of the annular protrusion 1213 abuts against an inner sidewall of the third port 114. In the present embodiment, the bottom diameter of the tapered portion 1211 is larger than the diameter of the connecting portion 1212, so that an annular groove 1214 is formed between the annular protrusion 1213 and the tapered portion 1211, and the handle assembly 12 further includes a sealing ring 13 embedded in the annular groove 1214. Wherein, can avoid compressing gas leakage in the use through setting up sealing washer 13.
In an embodiment of the present invention, referring to fig. 3, one end of the connecting member 122 near the switch member 121 is screwed to the third port 114. Specifically, an internal thread is formed in the third port 114, and correspondingly, an external thread matching the internal thread in the third port 114 is formed on the circumferential surface of the end of the connecting member 122 close to the switch member 121. One end of the connecting piece 122, which is far away from the switch piece 121, is expanded and abuts against the port of the third port 114, so as to limit the axial stroke of the connecting piece 122 in the third port 114.
In this embodiment, the fastening member 124 is a screw, a through hole is formed on the handle 123, and one end of the fastening member 124 is threaded through the through hole on the handle 123 and then is connected with the connecting member 122. Specifically, an opening is formed in one end of the connecting member 122, which is away from the switch member 121, an internal thread is formed on an inner wall of the opening, and one end of the fastening member 124 is threaded through the handle 123 and then is screwed with the connecting member 122. In a specific application, in order to prevent the handle 123 and the connecting member 122 from rotating relatively when the handle 123 is rotated, a concave-convex structure may be disposed on the opposite contact surfaces of the handle 123 and the connecting member 122 to prevent the relative rotation.
In an embodiment of the present invention, referring to fig. 3 and fig. 6, the gas release control module 10 further includes a bottle opening component 14, a sealing gasket 15 and a first connecting joint, which are sequentially disposed in the first interface 112 from inside to outside. Wherein, the first connector is a hollow structure and is used for being dismantled and connected with the air source module 20, one end of the bottle opening component 14 penetrates through the sealing gasket 15 and then extends into the first connector, the bottle opening component 14 is used for puncturing the air source module 20 in the first connector when the air source module 20 is connected with the first interface 112 so as to open the air source module 20, and the bottle opening component 14 is provided with a sub-air passage 140 for communicating the air source module 20 with the first air passage 115. In this embodiment, the bottle opening component 14 is embedded in the bottom of the first interface 112, and the first connector is screwed with the first connector 16 to tightly press the bottle opening component 14 and the sealing pad 15 into the first interface 112. Specifically, an external thread is provided on the outer circumferential surface of the first connector, and correspondingly, an internal thread matching the external thread of the first connector is provided on the inner wall of the first connector 112. In this embodiment, by providing the seal 15, leakage of the compressed gas during use can be avoided.
In an embodiment of the present invention, referring to fig. 3 and 6, the decapping member 14 includes a circular disk portion 141, a cylindrical portion 142, and a conical portion 143, which are coaxially connected in sequence. The disk portion 141 abuts against the bottom of the first connector 112, the column portion 142 is connected to the disk portion 141 and extends toward the first connector, the cone portion 143 is connected to an end of the column portion 142 away from the disk portion 141, and the cone portion 143 extends into the first connector, so that the gas source module 20 is pierced when the gas source module 20 is installed in the first connector. In this embodiment, the sub-air passage 140 is formed by sequentially passing the disc portion 141, the columnar portion 142, and the conical portion 143, and the packing 15 is fitted around the columnar portion 142 and the conical portion 143.
In a specific application, please refer to fig. 8, the gas source module 20 includes a bottle body 21 and a bottle mouth 22 connected to the bottle body 21, wherein an outer thread is formed on an outer circumferential surface of the bottle mouth 22, and correspondingly, an inner thread matched with the outer thread of the bottle mouth 22 is formed on an inner circumferential surface of the first connector. In this embodiment, the gas source module 20 adopts disposable design, and specification and size is small and exquisite, portable, and the body 21 height is less than 100mm, and the body 21 diameter is less than 20mm, and the internal pressure of body 21 can reach 6.5 Mpa.
In one embodiment of the present invention, referring to fig. 1, 3 and 7, the hose connection module 30 includes a hose 31, a second connector 32, a third connector 33 and a bearing nozzle connector 34. Wherein, the second joint 32 and the third joint 33 are respectively connected to two ends of the hose 31, the bearing oil nozzle joint 34 is connected to one end of the third joint 33 far away from the hose 31, the second joint 32 is used for being detachably connected with the second interface 113, and the bearing oil nozzle joint 34 is used for being connected with the bearing oil nozzle. Specifically, an internal thread is formed on the inner wall of the second port 113, and correspondingly, an external thread matching the internal thread of the second port 113 is formed on the outer peripheral surface of the end of the second joint 32 connected to the second port 113. In this embodiment, the bearing nozzle fitting 34 may be a bearing nozzle dedicated fitting that directly engages the bearing nozzle.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a nuclear power station lubricating grease lubrication rotating equipment bearing heat sink which characterized in that: the gas release control module is internally provided with a ventilation cavity, the gas source module is detachably connected with the gas release control module and is communicated with the ventilation cavity, the hose connection module is detachably connected with the gas release control module and is communicated with the ventilation cavity, the gas release control module is used for opening the ventilation cavity to communicate the gas source module with the hose connection module, and the gas release control module is also used for closing the ventilation cavity to disconnect the communication between the gas source module and the hose connection module;
the gas release control module comprises a main body piece and a handle assembly, the main body piece is internally provided with the ventilation cavity, a first interface used for being connected with the gas source module, a second interface used for being connected with the hose connection module, a third interface used for being connected with the handle assembly and communicated with the ventilation cavity, a first air passage used for being communicated with the first interface and the ventilation cavity, and a second air passage used for being communicated with the second interface and the ventilation cavity, and one end of the handle assembly can axially move in the ventilation cavity to open or close the ventilation cavity.
2. The bearing cooling device for lubricating grease-lubricated rotating equipment in nuclear power plants according to claim 1, characterized in that: the handle assembly comprises a switch piece, a connecting piece, a handle and a fastener, wherein the switch piece is arranged in the ventilation cavity and used for opening or closing the ventilation cavity, the connecting piece is coaxially connected with the switch piece and sleeved in the third interface, the handle is connected to one end, far away from the switch piece, of the connecting piece, and the fastener is used for fastening the handle to the connecting piece.
3. The bearing cooling device for lubricating grease-lubricated rotating equipment in nuclear power plants according to claim 2, wherein: the fastener with connecting piece coaxial coupling, the handle with the connecting piece sets up perpendicularly.
4. The bearing cooling device for lubricating grease-lubricated rotating equipment in nuclear power plants according to claim 2, wherein: the ventilation cavity is conical, the switch piece comprises a conical part and a connecting part coaxially connected with the conical part, the connecting part is close to one end of the switch piece and is provided with a connecting groove, and one end of the connecting part is inserted into the connecting groove.
5. The bearing cooling device for lubricating grease-lubricated rotating equipment in nuclear power plants according to claim 4, wherein: the handle component is characterized in that an annular bulge is arranged on the connecting part in a protruding mode along the radial direction, an annular groove is formed between the annular bulge and the conical part, and the handle component further comprises a sealing ring arranged in the annular groove.
6. The bearing cooling device for lubricating grease-lubricated rotating equipment in nuclear power plants according to claim 2, wherein: one end of the connecting piece, which is close to the switch piece, is in threaded connection with the third interface, and one end of the fastening piece penetrates through the handle and then is in threaded connection with the connecting piece.
7. The device for cooling bearing of lubricating grease lubrication rotating equipment in nuclear power plant according to any one of claims 1 to 6, wherein: gaseous release control module still include by interior outside to set gradually in uncork part in the first interface, sealed pad and first connector, hollow structure just is used for dismantling the connection in the first connector the air supply module, the one end of uncork part is worn to establish sealed pad just is used for opening the air supply module, offer on the uncork part and be used for the intercommunication the air supply module with the sub-air flue of first air flue.
8. The bearing cooling device for lubricating grease-lubricated rotating equipment in nuclear power plants of claim 7, wherein: the bottle opening component comprises a disc portion abutted against the bottom of the first connector, a columnar portion connected to the disc portion and extending towards the first connector, and a conical portion connected to one end, far away from the disc portion, of the columnar portion, the conical portion extends into the first connector, and the sub air channel penetrates through the disc portion, the columnar portion and the conical portion in sequence.
9. The cooling device for the bearing of the grease-lubricated rotating equipment in the nuclear power plant as claimed in any one of claims 1 to 6, wherein: the hose connection module includes the hose, connect respectively in the second joint and the third joint at the both ends of hose, and connect in the third joint is kept away from the bearing oil nozzle joint of the one end of hose, the second joint be used for with the connection can be dismantled to the second interface, bearing oil nozzle joint is used for connecting the bearing oil nozzle.
CN202110721983.8A 2021-06-28 2021-06-28 Nuclear power station lubricating grease lubrication rotating equipment bearing cooling device Active CN113550986B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528533A (en) * 1939-05-09 1940-10-31 Reinhard Wilhelm Kremer Improvements in or relating to pneumatic lubricating devices
GB547175A (en) * 1941-04-25 1942-08-17 Albert George Higgins Improvements relating to automatic lubricating systems
GB671620A (en) * 1950-06-13 1952-05-07 Uni Gun Lubricating Equipment Improvements in or relating to pneumatically operated lubricant guns
GB697833A (en) * 1951-10-04 1953-09-30 Henri Chinchole Improvements in or relating to grease-guns
GB847331A (en) * 1958-02-05 1960-09-07 Bruno Sandri Improvements in or relating to high speed dental turbo-drills
CN103423571A (en) * 2012-05-24 2013-12-04 金舟机械工业股份有限公司 Switching method and device for single shot and continuous shot oil injection of pneumatic grease gun

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528533A (en) * 1939-05-09 1940-10-31 Reinhard Wilhelm Kremer Improvements in or relating to pneumatic lubricating devices
GB547175A (en) * 1941-04-25 1942-08-17 Albert George Higgins Improvements relating to automatic lubricating systems
GB671620A (en) * 1950-06-13 1952-05-07 Uni Gun Lubricating Equipment Improvements in or relating to pneumatically operated lubricant guns
GB697833A (en) * 1951-10-04 1953-09-30 Henri Chinchole Improvements in or relating to grease-guns
GB847331A (en) * 1958-02-05 1960-09-07 Bruno Sandri Improvements in or relating to high speed dental turbo-drills
CN103423571A (en) * 2012-05-24 2013-12-04 金舟机械工业股份有限公司 Switching method and device for single shot and continuous shot oil injection of pneumatic grease gun

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