CN105515256B - A kind of spindle seal system for work drive motor under high temperature or hyperbaric environment - Google Patents
A kind of spindle seal system for work drive motor under high temperature or hyperbaric environment Download PDFInfo
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- CN105515256B CN105515256B CN201610014476.XA CN201610014476A CN105515256B CN 105515256 B CN105515256 B CN 105515256B CN 201610014476 A CN201610014476 A CN 201610014476A CN 105515256 B CN105515256 B CN 105515256B
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- ring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
Abstract
The invention discloses a kind of spindle seal systems for work drive motor under high temperature or hyperbaric environment, belong to motor device technical field, include the first connector being connect with motor housing and the second connector being connect with main shaft, the first connector and the second connector are connected through a screw thread, it is characterised in that：It is cased with piston rod on the main shaft, piston is connected on piston rod, first connector one end is connected with piston end cap, the other end is connected with first seal, second connector is connect by second seal with main shaft, and the first connector, the second connector and main shaft surround adapter cavity, and motor housing, main shaft and piston end cap surround inner cavity, it is provided with first pressure balance hole on first connector, second pressure balance hole is provided on piston end cap.The present invention is made to be sealed under zero pressure difference environment and is worked by the pressure difference between piston balanced seal, is improved sealing reliability, can be ensured motor steady operation under high temperature, hyperbaric environment.
Description
Technical field
The present invention relates to motor device technical fields, more particularly to one kind is for work drive motor under high temperature or hyperbaric environment
Spindle seal system.
Background technology
High temperature or hyperbaric environment refer to simple high temperature or hyperbaric environment, or have the environment of high temperature and high pressure simultaneously,
Such as working environment of downhole electrical motor, deep-sea motor motor.The motor to work under high temperature or hyperbaric environment will not only bear outside
The effect of high temperature and high pressure, influence of the external agency to motor equally can not be ignored.Under usual conditions, Jie of such outside motor
Matter is multi-phase mixed liquid, including solid phase, liquid and gas.And motor interior media is usually thin oil medium, therefore, how to be prevented
It is this that spin-ended rotation member, which enters inside motor with external agency at stationary parts and prevents interior media from leaking into outside motor,
Work drive motor needs first technical problems to be solved under environment.
Currently, the sealing of work drive motor is due to cannot achieve between sealing pressure in transitional cavity under high temperature, hyperbaric environment
Balance, and can only be realized by the way of single sealing unit, single sealing makes the maintenance period of motor greatly shorten.In height
Under the action of temperature, high pressure and external multi-phase mixed liquid, sealing is quickly damaged, and leads to thin oil leakage inside motor, while outer
Portion's multi-phase fluid, which enters inside motor, makes motor can not work normally.
Publication No. CN 2817188, it is close that publication date is that on 09 13rd, 2006 Chinese patent literatures disclose a kind of band
The integrated oil-submersible motor of seal apparatus, including by motor-shaft extending, motor head, stator, rotor, thrust bearing, alignment bearing, insert
The motor body that seat, cable, lead lid and bearing block are constituted, it is characterised in that：Described motor-shaft extending end is equipped with sealing
Head, the inlet opening of promising oil-immersed pump feed flow on seal head, motor-shaft extending by the connection screw hole on seal head directly and oil-immersed pump
Docking, seal head are made of the seal chamber of protection motor at least a pair of of mechanical seal；The bearing block lower part of motor tail end and pedestal
Between constitute inner cavity and external interconnected space, wherein the cryptomere regulating device for adjusting external and internal pressure is equipped with, in the device
It at least should there are one adjusting the adjusting cavity of external and internal pressure size.
Integrated oil-submersible motor with sealing device disclosed in the patent document assembles seal head in the upper end of motor,
It directly docking with oil-immersed pump by seal head, make-up machinery is sealed to meet the seal request of submersible motor on seal head, this
Under the action of high temperature, high pressure and external multi-phase mixed liquid, sealing easily damages the single mechanical seal of kind, leads to motor
The leakage of internal thin oil, while external multi-phase fluid enters inside motor and keeps motor impaired, and motor is caused to be unable to the work of normal table
Make.
Invention content
The present invention provides a kind of for work drive motor under high temperature or hyperbaric environment to overcome the defect of the above-mentioned prior art
Spindle seal system, the present invention makes to be sealed under zero pressure difference environment and worked, carried by the pressure difference between piston balanced seal
High sealing reliability prevents thin oil leakage and external multi-phase fluid inside motor from entering inside motor, and then ensures motor in height
Steady operation under temperature, hyperbaric environment.
The present invention is achieved through the following technical solutions：
A kind of spindle seal system for work drive motor under high temperature or hyperbaric environment includes the connect with motor housing
One connector and the second connector being connect with main shaft, the first connector and the second connector are connected through a screw thread, it is characterised in that：The master
It is cased with piston rod on axis, piston is connected on piston rod, first connector one end is connected with piston end cap, and the other end is connected with first
Sealing element, second connector are connect by second seal with main shaft, and the first connector, the second connector and main shaft surround transition
Chamber, motor housing, main shaft and piston end cap surround inner cavity, first pressure balance hole, piston end cap are provided on first connector
On be provided with second pressure balance hole.
The first seal is end surface mechanical sealing, including stationary ring, spring, rotating ring and snap ring, stationary ring be fixed on first
On connector, snap ring is connected on main shaft, and stationary ring is connected with rotating ring by spring；Second seal is radial seal, including radial direction
Bearing and radial direction seal ring, journal bearing are sleeved on main shaft, and the second connector is connected with main shaft by radial direction seal ring.
The first seal is radial seal, including journal bearing and radial direction seal ring, journal bearing be sleeved on main shaft,
First connector is connected with main shaft by radial direction seal ring；Second seal is end surface mechanical sealing, including stationary ring, spring, rotating ring
And snap ring, stationary ring are fixed on the second connector, snap ring is connected on main shaft, and stationary ring is connected with rotating ring by spring.
The first seal and second seal are radial seal, and first seal includes that journal bearing and radial direction are close
Seal, journal bearing are sleeved on main shaft, and the first connector is connected with main shaft by radial direction seal ring；Second seal includes radial axle
It holds and radial direction seal ring, journal bearing is sleeved on main shaft, the second connector is connected with main shaft by radial direction seal ring.
The first seal and second seal are end surface mechanical sealing, and first seal includes stationary ring, spring, moves
Ring and snap ring, stationary ring are fixed on the first connector, and snap ring is connected on main shaft, and stationary ring is connected with rotating ring by spring；Second is close
Sealing includes stationary ring, spring, rotating ring and snap ring, and stationary ring is fixed on the second connector, and snap ring is connected on main shaft, stationary ring and rotating ring
It is connected by spring.
Journal bearing is cased on the main shaft, journal bearing is between the second connector and main shaft.
The first pressure balance hole and second pressure balance hole correspond to arrangement.
The first pressure balance hole and second pressure balance hole are staggeredly arranged.
Outer side seal circle is cased on the piston, upper cover of piston rod has inner seal circle, outer side seal circle to be connect positioned at first
Between head and piston, inner seal circle is between piston and piston rod.
Working principle of the present invention is as follows：
Motor operation initial stage is outer side seal active phase：It is thin oil in inner cavity and adapter cavity, and interior intracavitary is dilute
Oil pressure under the action of protector with external agency pressure balance or pressure difference very little, it is complete by piston between inner cavity and adapter cavity
Hermetically sealed isolation.Radial seal can both prevent external agency from entering adapter cavity, while be leaked prevented also from the thin oil in adapter cavity
To exocoel.In this stage, end surface mechanical sealing is run in good thin oil environment completely, end surface mechanical sealing completely not by
The pressure of the risk of damage, the thin oil in adapter cavity can change with the variation of outside motor pressure and temperature, pass through
The movement of piston can make the pressure of adapter cavity and inner cavity keep balance, so that transition cavity pressure is realized with ambient pressure
Balance, and then sealing pressure at both sides difference can be prevented excessive and make seal failure.
The motor operation later stage is inner seal active phase：With the continuous operation of motor, radial seal will be worn simultaneously
Failure, adapter cavity are connected to the medium of outer intracavitary, and the medium of outer intracavitary will enter in adapter cavity at this time, while Jie in adapter cavity
Matter can also leak to the outside, and radial seal is failed initial stage, by based on the mixture of thin oil and water in adapter cavity, end face machine at this time
Tool seals and piston will play the role of isolation inner cavity and adapter cavity, and the medium of exocoel and adapter cavity still cannot be introduced into inner cavity,
And then can effective guarantee motor safely and steadily run.
Beneficial effects of the present invention are mainly manifested in following aspect：
One, of the invention, it is cased with piston rod on main shaft, piston is connected on piston rod, first connector one end is connected with piston
End cap, the other end are connected with first seal, and the second connector is connect by second seal with main shaft, and the first connector, second connect
Head and main shaft surround adapter cavity, and motor housing, main shaft and piston end cap surround inner cavity, and first pressure balance is provided on the first connector
Hole is provided with second pressure balance hole on piston end cap, by using the mode that first seal and second seal are combined, compared with
For the single sealing of the prior art, it can effectively extend the maintenance period of motor；By the pressure difference between piston balanced seal,
Make to be sealed under zero pressure difference environment and work, improve sealing reliability, effectively prevent thin oil leakage and external multiphase inside motor
Liquid enters inside motor, and then can ensure motor steady operation under high temperature, hyperbaric environment.
Two, of the invention, first seal is end surface mechanical sealing, including stationary ring, spring, rotating ring and snap ring, stationary ring are fixed
On the first connector, snap ring is connected on main shaft, and stationary ring is connected with rotating ring by spring；Second seal is radial seal, packet
Journal bearing and radial direction seal ring are included, journal bearing is sleeved on main shaft, and the second connector is connected with main shaft by radial direction seal ring, outside
Side seal realizes that sealing, inner seal utilize it by end surface mechanical sealing by the rubbing surface between radial seal and main shaft
Rubbing surface between stationary ring and rotating ring realizes sealing, with the continuous operation of motor, even if the radial seal failure in outside, inside
End surface mechanical sealing and piston cooperation can play the role of being isolated inner cavity and adapter cavity, the medium of exocoel and adapter cavity is still
Inner cavity so is cannot be introduced into, so as to ensure motor normal operation.
Three, of the invention, first seal is radial seal, including journal bearing and radial direction seal ring, journal bearing are sleeved on
On main shaft, the first connector is connected with main shaft by radial direction seal ring；Second seal is end surface mechanical sealing, including stationary ring, bullet
Spring, rotating ring and snap ring, stationary ring are fixed on the second connector, and snap ring is connected on main shaft, and stationary ring is connected with rotating ring by spring, outside
Side seal realizes that sealing, inner seal pass through radial direction by end surface mechanical sealing, using the rubbing surface between its stationary ring and rotating ring
Rubbing surface between sealing and main shaft, which is realized, to be sealed, with the long-play of motor, even if the end surface mechanical sealing in outside loses
Inner cavity and adapter cavity can be also isolated in effect, the radial seal of inside and piston cooperation, prevent in the entrance of the medium of exocoel and adapter cavity
Chamber ensures motor stabilizing operation.
Four, of the invention, first seal and second seal are radial seal, first seal include journal bearing and
Radial direction seal ring, journal bearing are sleeved on main shaft, and the first connector is connected with main shaft by radial direction seal ring；Second seal includes
Journal bearing and radial direction seal ring, journal bearing are sleeved on main shaft, and the second connector is connected with main shaft by radial direction seal ring, outside
Sealing and inner seal realize sealing by the rubbing surface between radial seal and main shaft, realize dual-seal, coordinate piston
Movement, the pressure difference between outer side seal and inner seal can be balanced, and then motor operation is made to stablize.
Five, of the invention, first seal and second seal are end surface mechanical sealing, first seal include stationary ring,
Spring, rotating ring and snap ring, stationary ring are fixed on the first connector, and snap ring is connected on main shaft, and stationary ring is connected with rotating ring by spring；
Second seal includes stationary ring, spring, rotating ring and snap ring, and stationary ring is fixed on the second connector, and snap ring is connected on main shaft, stationary ring
It is connected by spring with rotating ring, outer side seal and inner seal are by end surface mechanical sealing, using between its stationary ring and rotating ring
Rubbing surface realize sealing, by the pressure difference between piston shifting balance outer side seal and inner seal, motor stabilizing can be made
Operation.
Six, of the invention, it is cased with journal bearing on main shaft, journal bearing, can be into one between the second connector and main shaft
Step improves outer side seal effect, and the medium of outer intracavitary is effectively prevent to enter adapter cavity.
Seven, of the invention, first pressure balance hole and second pressure balance hole correspond to arrangement, by this arrangement, the
At one pressure compensation opening and second pressure balance hole in the same horizontal line, piston can be made quickly to move, makes inner cavity and mistake
The pressure crossed between chamber reaches balance, convenient for protection sealing, ensures sealing effect.
Eight, of the invention, first pressure balance hole and second pressure balance hole are staggeredly arranged, by this arrangement, make
There are differences in height between first pressure balance hole and second pressure balance hole, the movement of piston can be finely tuned, make inner cavity and mistake
The pressure crossed between chamber tends to balance for a long time, to ensure the using effect of sealing.
Nine, of the invention, it is cased with outer side seal circle on piston, upper cover of piston rod has inner seal circle, outer side seal circle to be located at
Between first connector and piston, inner seal circle is close by the way that inner seal circle and outside is arranged between piston and piston rod
Seal has good sealing effect, can prevent piston from generating gap with the first connector and piston rod respectively, ensure that piston makes
With stability, keep piston movement more smooth, convenient for adjusting the pressure balance between inner cavity and adapter cavity.
Description of the drawings
The present invention is described in further detail below in conjunction with specification drawings and specific embodiments, wherein：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 3；
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 4；
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 5；
Fig. 6 is the structural schematic diagram of the embodiment of the present invention 7；
Fig. 7 is the structural schematic diagram of the embodiment of the present invention 8；
Fig. 8 is the structural schematic diagram of the embodiment of the present invention 9；
It is marked in figure：1, motor housing, the 2, first connector, 3, main shaft, the 4, second connector, 5, piston rod, 6, piston, 7, living
Fill in end cap, 8, adapter cavity, 9, inner cavity, 10, first pressure balance hole, 11, second pressure balance hole, 12, stationary ring, 13, spring,
14, rotating ring, 15, snap ring, 16, journal bearing, 17, radial direction seal ring, 18, outer side seal circle, 19, inner seal circle.
Specific implementation mode
Embodiment 1
Referring to Fig. 1, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The present embodiment is most basic embodiment, is cased with piston rod on main shaft, piston is connected on piston rod, first connects
First end is connected with piston end cap, and the other end is connected with first seal, and the second connector is connect by second seal with main shaft,
First connector, the second connector and main shaft surround adapter cavity, and motor housing, main shaft and piston end cap surround inner cavity, on the first connector
It is provided with first pressure balance hole, second pressure balance hole is provided on piston end cap, is sealed by using first seal and second
The mode that part is combined can effectively extend the maintenance period of motor for the single sealing of the prior art；It is balanced by piston
Pressure difference between sealing, makes to be sealed under zero pressure difference environment and works, and improves sealing reliability, effectively prevent dilute inside motor
Oil leakage and external multi-phase fluid enter inside motor, and then can ensure motor steady operation under high temperature, hyperbaric environment.
Embodiment 2
Referring to Fig. 2, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The first seal is end surface mechanical sealing, including stationary ring 12, spring 13, rotating ring 14 and snap ring 15, stationary ring 12
It is fixed on the first connector 2, snap ring 15 is connected on main shaft 3, and stationary ring 12 and rotating ring 14 are connected by spring 13；Second seal
It is sleeved on main shaft 3 for radial seal, including journal bearing 16 and radial direction seal ring 17, journal bearing 16, the second connector 4 and main shaft
3 are connected by radial direction seal ring 17.
The present embodiment is a better embodiment, and first seal is end surface mechanical sealing, including stationary ring, spring, rotating ring
And snap ring, stationary ring are fixed on the first connector, snap ring is connected on main shaft, and stationary ring is connected with rotating ring by spring；Second sealing
Part is radial seal, including journal bearing and radial direction seal ring, journal bearing are sleeved on main shaft, and the second connector and main shaft pass through diameter
It is connected to sealing ring, outer side seal realizes that sealing, inner seal pass through end face by the rubbing surface between radial seal and main shaft
Mechanical seal realizes sealing, with the continuous operation of motor, even if the diameter in outside using the rubbing surface between its stationary ring and rotating ring
To seal failure, end surface mechanical sealing and the piston cooperation of inside can play the role of that inner cavity and adapter cavity, exocoel is isolated
Inner cavity is still cannot be introduced into the medium of adapter cavity, so as to ensure motor normal operation.
Embodiment 3
Referring to Fig. 3, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The first seal is radial seal, including journal bearing 16 and radial direction seal ring 17, journal bearing 16 be sleeved on
On main shaft 3, the first connector 2 and main shaft 3 are connected by radial direction seal ring 17；Second seal is end surface mechanical sealing, including quiet
Ring 12, spring 13, rotating ring 14 and snap ring 15, stationary ring 12 are fixed on the second connector 4, and snap ring 15 is connected on main shaft 3, stationary ring 12
It is connected by spring 13 with rotating ring 14.
The present embodiment is another better embodiment, and first seal is radial seal, including journal bearing and radial close
Seal, journal bearing are sleeved on main shaft, and the first connector is connected with main shaft by radial direction seal ring；Second seal is mechanical end face
Sealing, including stationary ring, spring, rotating ring and snap ring, stationary ring be fixed on the second connector, snap ring is connected on main shaft, stationary ring and dynamic
Ring is connected by spring, and outer side seal realizes sealing by end surface mechanical sealing, using the rubbing surface between its stationary ring and rotating ring,
Inner seal realizes sealing by the rubbing surface between radial seal and main shaft, with the long-play of motor, even if outside
End surface mechanical sealing failure, the radial seal of inside and piston cooperation inner cavity and adapter cavity can also be isolated, prevent exocoel and mistake
The medium for crossing chamber enters inner cavity, ensures motor stabilizing operation.
Embodiment 4
Referring to Fig. 4, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The first seal and second seal are radial seal, and first seal includes journal bearing 16 and radial direction
Sealing ring 17, journal bearing 16 are sleeved on main shaft 3, and the first connector 2 and main shaft 3 are connected by radial direction seal ring 17；Second sealing
Part includes journal bearing 16 and radial direction seal ring 17, and journal bearing 16 is sleeved on main shaft 3, and the second connector 4 and main shaft 3 pass through radial direction
Sealing ring 17 connects.
The present embodiment is another better embodiment, and first seal and second seal are radial seal, and first is close
Sealing includes journal bearing and radial direction seal ring, and journal bearing is sleeved on main shaft, and the first connector and main shaft pass through radial direction seal ring
Connection；Second seal includes journal bearing and radial direction seal ring, and journal bearing is sleeved on main shaft, and the second connector and main shaft pass through
Radial direction seal ring connects, and outer side seal and inner seal realize sealing by the rubbing surface between radial seal and main shaft, real
Existing dual-seal, coordinates the movement of piston, can balance the pressure difference between outer side seal and inner seal, and then make motor operation
Stablize.
Embodiment 5
Referring to Fig. 5, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The first seal and second seal are end surface mechanical sealing, and first seal includes stationary ring 12, spring
13, rotating ring 14 and snap ring 15, stationary ring 12 are fixed on the first connector 2, and snap ring 15 is connected on main shaft 3, stationary ring 12 and rotating ring 14
It is connected by spring 13；Second seal includes stationary ring 12, spring 13, rotating ring 14 and snap ring 15, and stationary ring 12 is fixed on second and connects
On first 4, snap ring 15 is connected on main shaft 3, and stationary ring 12 and rotating ring 14 are connected by spring 13.
The present embodiment is another better embodiment, and first seal and second seal are end surface mechanical sealing, the
One sealing element includes stationary ring, spring, rotating ring and snap ring, and stationary ring is fixed on the first connector, and snap ring is connected on main shaft, stationary ring and
Rotating ring is connected by spring；Second seal includes stationary ring, spring, rotating ring and snap ring, and stationary ring is fixed on the second connector, snap ring
It is connected on main shaft, stationary ring is connected with rotating ring by spring, and outer side seal and inner seal utilize by end surface mechanical sealing
Rubbing surface between its stationary ring and rotating ring realizes sealing, passes through the pressure between piston shifting balance outer side seal and inner seal
Difference can make the operation of motor stabilizing.
Embodiment 6
Referring to Fig. 6, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The first seal and second seal are end surface mechanical sealing, and first seal includes stationary ring 12, spring
13, rotating ring 14 and snap ring 15, stationary ring 12 are fixed on the first connector 2, and snap ring 15 is connected on main shaft 3, stationary ring 12 and rotating ring 14
It is connected by spring 13；Second seal includes stationary ring 12, spring 13, rotating ring 14 and snap ring 15, and stationary ring 12 is fixed on second and connects
On first 4, snap ring 15 is connected on main shaft 3, and stationary ring 12 and rotating ring 14 are connected by spring 13.
Journal bearing 16 is cased on the main shaft 3, journal bearing 16 is between the second connector 4 and main shaft 3.
The present embodiment is another better embodiment, is cased with journal bearing on main shaft, journal bearing be located at the second connector with
Between main shaft, outer side seal effect can be further increased, the medium of outer intracavitary is effectively prevent to enter adapter cavity.
Embodiment 7
Referring to Fig. 6, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The first seal and second seal are end surface mechanical sealing, and first seal includes stationary ring 12, spring
13, rotating ring 14 and snap ring 15, stationary ring 12 are fixed on the first connector 2, and snap ring 15 is connected on main shaft 3, stationary ring 12 and rotating ring 14
It is connected by spring 13；Second seal includes stationary ring 12, spring 13, rotating ring 14 and snap ring 15, and stationary ring 12 is fixed on second and connects
On first 4, snap ring 15 is connected on main shaft 3, and stationary ring 12 and rotating ring 14 are connected by spring 13.
Journal bearing 16 is cased on the main shaft 3, journal bearing 16 is between the second connector 4 and main shaft 3.
The first pressure balance hole 10 and second pressure balance hole 11 correspond to arrangement.
The present embodiment is another better embodiment, and first pressure balance hole and second pressure balance hole correspond to arrangement, lead to
It crosses this arrangement, at first pressure balance hole and second pressure balance hole in the same horizontal line, piston can be made quick
Movement, so that the pressure between inner cavity and adapter cavity is reached balance, convenient for protection sealing, ensure sealing effect.
Embodiment 8
Referring to Fig. 7, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The first seal and second seal are end surface mechanical sealing, and first seal includes stationary ring 12, spring
13, rotating ring 14 and snap ring 15, stationary ring 12 are fixed on the first connector 2, and snap ring 15 is connected on main shaft 3, stationary ring 12 and rotating ring 14
It is connected by spring 13；Second seal includes stationary ring 12, spring 13, rotating ring 14 and snap ring 15, and stationary ring 12 is fixed on second and connects
On first 4, snap ring 15 is connected on main shaft 3, and stationary ring 12 and rotating ring 14 are connected by spring 13.
Journal bearing 16 is cased on the main shaft 3, journal bearing 16 is between the second connector 4 and main shaft 3.
The first pressure balance hole 10 and second pressure balance hole 11 are staggeredly arranged.
The present embodiment is another better embodiment, and first pressure balance hole and second pressure balance hole are staggeredly arranged, and is led to
Cross this arrangement so that there are differences in height between first pressure balance hole and second pressure balance hole, can finely tune piston
Movement, so that the pressure between inner cavity and adapter cavity is tended to balance for a long time, to ensure the using effect of sealing.
Embodiment 9
Referring to Fig. 8, a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing
First connector 2 of 1 connection and the second connector 4 being connect with main shaft 3, the first connector 2 and the second connector 4 are connected through a screw thread, institute
It states and is cased with piston rod 5 on main shaft 3, piston 6 is connected on piston rod 5,2 one end of the first connector is connected with piston end cap 7, the other end
It is connected with first seal, second connector 4 is connect by second seal with main shaft 3, the first connector 2,4 and of the second connector
Main shaft 3 surrounds adapter cavity 8, and motor housing 1, main shaft 3 and piston end cap 7 surround inner cavity 9, first are provided on first connector 2
Pressure compensation opening 10 is provided with second pressure balance hole 11 on piston end cap 7.
The first seal and second seal are end surface mechanical sealing, and first seal includes stationary ring 12, spring
13, rotating ring 14 and snap ring 15, stationary ring 12 are fixed on the first connector 2, and snap ring 15 is connected on main shaft 3, stationary ring 12 and rotating ring 14
It is connected by spring 13；Second seal includes stationary ring 12, spring 13, rotating ring 14 and snap ring 15, and stationary ring 12 is fixed on second and connects
On first 4, snap ring 15 is connected on main shaft 3, and stationary ring 12 and rotating ring 14 are connected by spring 13.
Journal bearing 16 is cased on the main shaft 3, journal bearing 16 is between the second connector 4 and main shaft 3.
The first pressure balance hole 10 and second pressure balance hole 11 are staggeredly arranged.
It is cased with outer side seal circle 18 on the piston 6, inner seal circle 19,18, outer side seal circle are cased on piston rod 5
Between the first connector 2 and piston 6, inner seal circle 19 is between piston 6 and piston rod 5.
The present embodiment is preferred forms, and piston rod is cased on main shaft, and piston, the first connector one are connected on piston rod
End is connected with piston end cap, and the other end is connected with first seal, and the second connector is connect by second seal with main shaft, and first
Connector, the second connector and main shaft surround adapter cavity, and motor housing, main shaft and piston end cap surround inner cavity, be provided on the first connector
First pressure balance hole is provided with second pressure balance hole on piston end cap, by using first seal and second seal phase
In conjunction with mode can effectively extend the maintenance period of motor for the single sealing of the prior art；Pass through piston balanced seal
Between pressure difference, make to be sealed under zero pressure difference environment and work, improve sealing reliability, thin oil inside motor is effectively prevent to let out
Leakage and external multi-phase fluid enter inside motor, and then can ensure motor steady operation under high temperature, hyperbaric environment.On piston
It is cased with outer side seal circle, upper cover of piston rod has inner seal circle, and for outer side seal circle between the first connector and piston, inside is close
Seal, by the way that inner seal circle and outer side seal circle is arranged, has good sealing effect, energy between piston and piston rod
It enough prevents piston from generating gap with the first connector and piston rod respectively, ensures piston stability in use, keep piston movement more smooth,
Convenient for adjusting the pressure balance between inner cavity and adapter cavity.
Claims (4)
1. a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment, including with motor housing（1）Connection
First connector（2）With with main shaft（3）Second connector of connection（4）, the first connector（2）With the second connector（4）It is connected through a screw thread,
It is characterized in that：The main shaft（3）On be cased with piston rod（5）, piston rod（5）On be connected with piston（6）, the first connector（2）One
End is connected with piston end cap（7）, the other end is connected with first seal, second connector（4）Pass through second seal and master
Axis（3）Connection, the first connector（2）, the second connector（4）And main shaft（3）Surround adapter cavity（8）, motor housing（1）, main shaft（3）With
Piston end cap（7）Surround inner cavity（9）, first connector（2）On be provided with first pressure balance hole（10）, piston end cap（7）On
It is provided with second pressure balance hole（11）；The piston（6）On be cased with outer side seal circle（18）With inner seal circle（19）, outside is close
Seal（18）Positioned at the first connector（2）And piston（6）Between, inner seal circle（19）Positioned at piston（6）And piston rod（5）It
Between；The first seal and second seal are radial seal, and first seal includes journal bearing（16）It is close with radial direction
Seal（17）, journal bearing（16）It is sleeved on main shaft（3）On, the first connector（2）And main shaft（3）Pass through radial direction seal ring（17）Even
It connects；Second seal includes journal bearing（16）And radial direction seal ring（17）, journal bearing（16）It is sleeved on main shaft（3）On, second
Connector（4）And main shaft（3）Pass through radial direction seal ring（17）Connection.
2. a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment according to claim 1, special
Sign is：The main shaft（3）On be cased with journal bearing（16）, journal bearing（16）Positioned at the second connector（4）And main shaft（3）It
Between.
3. a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment according to claim 1, special
Sign is：The first pressure balance hole（10）With second pressure balance hole（11）Corresponding arrangement.
4. a kind of spindle seal system for work drive motor under high temperature or hyperbaric environment according to claim 1, special
Sign is：The first pressure balance hole（10）With second pressure balance hole（11）It is staggeredly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014476.XA CN105515256B (en) | 2016-01-11 | 2016-01-11 | A kind of spindle seal system for work drive motor under high temperature or hyperbaric environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014476.XA CN105515256B (en) | 2016-01-11 | 2016-01-11 | A kind of spindle seal system for work drive motor under high temperature or hyperbaric environment |
Publications (2)
| Publication Number | Publication Date |
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| CN105515256A CN105515256A (en) | 2016-04-20 |
| CN105515256B true CN105515256B (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610014476.XA Active CN105515256B (en) | 2016-01-11 | 2016-01-11 | A kind of spindle seal system for work drive motor under high temperature or hyperbaric environment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106655589B (en) * | 2016-11-29 | 2023-06-06 | 邢天宜 | Shaft seal system with motor rotating shaft device for resisting deep sea high water pressure |
| KR102638649B1 (en) * | 2020-07-07 | 2024-02-19 | 세메스 주식회사 | Semiconductor device pressing apparatus and test handler comprising the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5666012A (en) * | 1994-07-29 | 1997-09-09 | Innerspace Corporation | Rotating shaft seal |
| CN1834469A (en) * | 2006-04-10 | 2006-09-20 | 于业明 | Mechaniclly sealing device of immersible pump |
| CN101338761A (en) * | 2007-07-03 | 2009-01-07 | 天津甘泉集团有限公司 | Oil immersion type water proof diving pump |
| CN102761204A (en) * | 2012-07-11 | 2012-10-31 | 成都欧迅海洋工程装备科技有限公司 | Controller integrated deep sea motor |
| CN205489915U (en) * | 2016-01-11 | 2016-08-17 | 东方电气集团东方电机有限公司 | A shaft seal system that is used for motor of working under high temperature or high voltage ring border |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162289B (en) * | 2015-10-08 | 2018-01-05 | 中国石油天然气集团公司 | Downhole electric drilling tool motor |
-
2016
- 2016-01-11 CN CN201610014476.XA patent/CN105515256B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5666012A (en) * | 1994-07-29 | 1997-09-09 | Innerspace Corporation | Rotating shaft seal |
| CN1834469A (en) * | 2006-04-10 | 2006-09-20 | 于业明 | Mechaniclly sealing device of immersible pump |
| CN101338761A (en) * | 2007-07-03 | 2009-01-07 | 天津甘泉集团有限公司 | Oil immersion type water proof diving pump |
| CN102761204A (en) * | 2012-07-11 | 2012-10-31 | 成都欧迅海洋工程装备科技有限公司 | Controller integrated deep sea motor |
| CN205489915U (en) * | 2016-01-11 | 2016-08-17 | 东方电气集团东方电机有限公司 | A shaft seal system that is used for motor of working under high temperature or high voltage ring border |
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| Publication number | Publication date |
|---|---|
| CN105515256A (en) | 2016-04-20 |
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