CN207333701U - A kind of abrasion resistant type shaft sealer and high gear - Google Patents
A kind of abrasion resistant type shaft sealer and high gear Download PDFInfo
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- CN207333701U CN207333701U CN201721262098.3U CN201721262098U CN207333701U CN 207333701 U CN207333701 U CN 207333701U CN 201721262098 U CN201721262098 U CN 201721262098U CN 207333701 U CN207333701 U CN 207333701U
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- abrasion resistant
- resistant type
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Abstract
The utility model provides a kind of abrasion resistant type shaft sealer and high gear, is related to sealing technical field.Abrasion resistant type shaft sealer includes：Shaft seal body, fueller, liquid feed device and air balance device, shaft seal body is sheathed on shaft, shaft seal body has clamping ring, the first seal assembly and the second seal assembly, first seal assembly and the second seal assembly are respectively arranged at clamping ring, and including cooling fluid-tight portion and oil sealing portion, cooling fluid-tight portion and oil sealing portion are arranged at intervals to form cavity；Fueller is connected with oil sealing portion；Liquid feed device is connected with cooling fluid-tight portion；Air balance device includes feeder and air balance valve, and feeder is cavity conveying balance supply by the first pipeline, and conveys equilibrium air for fueller, and air balance valve is connected with cavity.Wearability, rotating speed, the degree of automation of shaft are effectively improved, extends the service life of shaft, reduces shaft maintenance maintenance expense, increases economic benefit.
Description
Technical field
Sealing technical field is the utility model is related to, in particular to a kind of abrasion resistant type shaft sealer and high speed
Gear.
Background technology
The great dress such as petrochemical industry at present, Aeronautics and Astronautics, ship, core pump, electric power, papermaking, steel, cement, universal machine
The equipment such as standby required High Speed Gearing device, since module is little, the number of teeth is more, rotating speed is high, the rotating speed of axis is generally all
Up to 3000~30000RPM.The gear to run at high speed causes the lubricating oil for being distributed in itself to receive very big operating on centrifugal force,
The field of conjugate action produces substantial amounts of heat due to running at high speed at the same time, causes gear accelerated ageing and damage.So high-speed rotating shaft
And its sealing device is the design of high gear propulsion system and it uses one of critical component of management, and it is close how to extend shaft
The service life of envelope, how realizing convenient management and safeguarding becomes relevant industries focus of attention.
Utility model content
The purpose of this utility model is to provide a kind of abrasion resistant type shaft sealer, this abrasion resistant type shaft sealer it is automatic
Change degree is high, stability is good, can effectively improve the wearability of shaft, extend the service life of shaft, meanwhile, this abrasion resistant type axis
Sealing device can effectively improve the heat dissipation performance of shaft, reduce the maintenance maintenance expense of shaft, increase economic benefit.
The another object of the utility model is to provide a kind of high gear, including abrasion resistant type shaft sealer and shaft,
Abrasion resistant type shaft sealer is sheathed on shaft.The degree of automation of this high gear is high, stability is good, the rotating speed of its shaft is fast,
Wearability is high, and the service life length of shaft, the maintenance maintenance expense of shaft is few, high financial profit.
The utility model is realized in this way：
A kind of abrasion resistant type shaft sealer, for sealing the shaft of high gear, abrasion resistant type shaft sealer includes：
Shaft seal body, shaft seal body are sheathed on shaft, and shaft seal body has clamping ring, the first sealing group
Part and the second seal assembly, the first seal assembly and the second seal assembly are respectively arranged at the both ends of clamping ring, and first is close
Sealing assembly and the second seal assembly include spaced cooling fluid-tight portion and oil sealing portion, and cool down between fluid-tight portion and oil sealing portion
Cavity is formed every setting；
Fueller, fueller are connected with oil sealing portion, and for being oil sealing portion fuel feeding；
Liquid feed device, liquid feed device are connected with cooling fluid-tight portion, and for being cooling fluid-tight portion feed flow；
Air balance device, air balance device include feeder and air balance valve, and feeder passes through the first pipe
Road is cavity conveying balance supply, and conveys equilibrium air by second pipe for fueller, and air balance valve connects with cavity
It is logical, and for discharging unnecessary equilibrium air to exterior space.
Further, in the preferred embodiment of the utility model, abrasion resistant type shaft sealer further include control device with
To release case, case of releasing is connected by the bleeder pipe with the first solenoid valve with cooling fluid-tight portion, oil sealing portion and cavity, and the
One solenoid valve is electrically connected to control device with air balance valve, and control device is configured as controlling during the operation of air balance valve
Open the first solenoid valve.
Further, in the preferred embodiment of the utility model, abrasion resistant type shaft sealer further includes alarm system, report
Alert system includes pressure sensor and alarm bell, and pressure sensor is connected with feeder, and pressure sensor is electrically connected with alarm bell
In control device, the detected value that control device is configured as pressure sensor controls alarm bell alarm when being less than the first preset value.
Further, in the preferred embodiment of the utility model, alarm system further includes air flow sensor, air
Flow sensor is used to measure the air mass flow that feeder transports to cavity, and control device is configured as air flow sensor
Detected value control alarm bell alarm when being less than the second preset value.
Further, in the preferred embodiment of the utility model, alarm system further includes the first liquid level sensor, and first
Liquid level sensor is arranged at fueller, and the first liquid level sensor is used to detect the liquid level in fueller, control device
Alarm bell alarm is controlled when being configured as the detected value of the first liquid level sensor higher than the 3rd preset value or less than four preset values.
Further, in the preferred embodiment of the utility model, alarm system further includes the second liquid level sensor, and second
Liquid level sensor is used for the level value for detecting case of releasing, and the detected value that control device is configured as the second liquid level sensor is higher than
Alarm bell alarm is controlled during five preset values.
Further, in the preferred embodiment of the utility model, alarm system further includes the 3rd liquid level sensor, and the 3rd
Liquid level sensor is used for the level value for detecting liquid feed device, and the detected value that control device is configured as the 3rd liquid level sensor is high
Control in the 6th preset value or during less than seven preset values alarm bell alarm.
Further, in the preferred embodiment of the utility model, abrasion resistant type shaft sealer further includes waste discharge case, waste discharge
Case is connected to case of releasing by the waste discharge pipeline with second solenoid valve, and control device is configured as the second liquid level sensor
Second solenoid valve is opened when detected value is higher than five preset values waste liquid is drained into waste discharge case.
Further, in the preferred embodiment of the utility model, control device is programmable logic controller (PLC), monolithic
One kind in machine, computer.
A kind of high gear, including abrasion resistant type shaft sealer and shaft, abrasion resistant type shaft sealer are sheathed on shaft.
The beneficial effect of such scheme：
The utility model provides a kind of abrasion resistant type shaft sealer and high gear.The abrasion resistant type shaft sealer of offer
Including shaft seal body, fueller, liquid feed device and air balance device.
First, shaft seal body is sheathed on shaft, and shaft seal body has clamping ring, the first seal assembly and the
Two seal assemblies, the first seal assembly and the second seal assembly are respectively arranged at the both ends of clamping ring, and the first seal assembly with
Second seal assembly includes spaced cooling fluid-tight portion and oil sealing portion, and cools down fluid-tight portion and be arranged at intervals shape with oil sealing portion
Into cavity.The motion state of shaft can be effectively observed by designing oil sealing and cooling down fluid-tight, consequently facilitating countershaft carries out
Monitoring and maintenance.Oil sealing is the mechanical organ for oil sealing, it will be needed in transmission parts the component that lubricates and output component every
From being unlikely to allow oil seepage.Cooling fluid-tight refers to the fluid column for having certain altitude in a device, prevents in discharge opeing guard system
Gas scurries into interior.It can be used for resisting draught head change in drain pipe, prevent that gas is scurried into indoor in Drainage pipe system
The fluid column of certain altitude.Meanwhile cooling down fluid-tight effectively can also help shaft to radiate.First seal assembly and the second seal assembly
Be symmetrical arranged so that the stress at clamping ring both ends is consistent, so as to avoid since the axes of rotation skew that unbalance stress occurs is brought
Abrasion.
Secondly, fueller can provide enough crude oil for oil sealing portion.Liquid feed device can provide for coolant envelope portion
Enough liquid point, to ensure the normal operation in cooling fluid-tight portion and oil sealing portion.
Meanwhile air balance device includes feeder and air balance valve, feeder is used for for cavity conveying balance
Air, air balance valve are connected with cavity, and for discharging unnecessary equilibrium air to exterior space.Exported from feeder
Gas gas is charged to the cavity that is formed between cooling fluid-tight portion and oil sealing portion all the way, unnecessary air can pass through air balance
Valve is discharged to outside.The size of air balance valve release air capacity is determined by the air pressure around air balance valve：Work as high gear
Rotating speed increase, the outer air pressure increase of air balance valve, release air capacity are reduced, and air pressure accordingly raises, and does so used in cooling
The air pressure of fluid-tight both sides is basically identical, so as to ensure that cooling fluid-tight lip acts on the pressure very little on shaft seal body
And substantially constant so that the abrasion of shaft also accordingly reduces, and the service life is extended.
The another way air come from feeder is charged to rotation shaft feeding oil device, does so oil pressure and work on front side of oil sealing
Air pressure variations on rear side of oil sealing are consistent, so as to ensure that the pressure that oil seal lip is acted on shaft seal body only has
Cushion rubber pretightning force itself, initial tension of spring and the low pressure for putting gravity oil tank, this combination pressure is much smaller than suffered by traditional type sealing
Pressure, therefore shaft is small with the abrasion of shaft seal body in itself, and service life is also further increased.
The high gear of offer, including abrasion resistant type shaft sealer and shaft, abrasion resistant type shaft sealer are sheathed on shaft.
The wearability of the shaft of this high gear is high with rotating speed, and the service life length of shaft, the maintenance maintenance expense of shaft is few, economy effect
It is beneficial high.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram for the first abrasion resistant type shaft sealer that the embodiment of the utility model provides；
Fig. 2 is the structure diagram for second of abrasion resistant type shaft sealer that the embodiment of the utility model provides；
Fig. 3 is the structure diagram for the third abrasion resistant type shaft sealer that the embodiment of the utility model provides；
Fig. 4 is the structure diagram for the 4th kind of abrasion resistant type shaft sealer that the embodiment of the utility model provides.
Icon：100- abrasion resistant type shaft sealers；101- shafts；103- clamping rings；The first seal assemblies of 105-；107-
Two seal assemblies；109- cooling fluid-tights portion；111- oil sealings portion；113- cavitys；115- fuellers；117- liquid feed devices；119-
Air balance device；121- feeders；123- air balance valves；The first pipelines of 125-；127- second pipes；129- control dresses
Put；131- releases case；The first solenoid valves of 133-；135- alarm systems；137- pressure sensors；139- alarm bells；141- bleeder pipes；
143- air flow sensor；The first liquid level sensors of 145-；The second liquid level sensors of 147-；The 3rd liquid level sensors of 149-；
151- waste discharge casees；153- waste pipes；155- second solenoid valves.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached
The detailed description of the embodiment of the utility model provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiment in the utility model, ordinary skill people
Member's all other embodiments obtained without creative efforts, belong to the model of the utility model protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation in the description of the utility model embodiment, term " " center ", " on ", " under ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " liquid is put down ", " interior ", " outer " are based on orientation shown in the drawings or position
Relation, or the utility model product using when the orientation usually put or position relationship, be for only for ease of and describe this reality
With new and simplify description, rather than instruction or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ", "
Three ", " the 4th ", " the 5th ", " the 6th ", " the 7th ", " the 8th " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited, art
Language " setting ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or detachably
Connection, or be integrally connected；Can mechanically connect or be electrically connected；It can be directly connected, centre can also be passed through
Medium is indirectly connected, and can be the connection inside two elements.For the ordinary skill in the art, can specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is on or below second feature
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Directly over two features and oblique upper, or be merely representative of fisrt feature liquid and put down and be highly higher than second feature.Fisrt feature is special second
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature liquid and put down
Highly it is less than second feature.
Refering to Fig. 1, a kind of abrasion resistant type shaft sealer 100 is present embodiments provided, including：Shaft seal body, fuel feeding
Device 115, liquid feed device 117 and air balance device 119.Fueller 115, liquid feed device 117 and air balance dress
Put 119 and be connected to shaft seal body.
In the present embodiment, referring to Fig. 1, shaft seal body is sheathed on shaft 101, and shaft seal body has
Clamping ring 103, the first seal assembly 105 and the second seal assembly 107, the first seal assembly 105 and the second seal assembly 107
Be respectively arranged at the both ends of clamping ring 103, and the first seal assembly 105 include with the second seal assembly 107 it is spaced
Fluid-tight portion 109 and oil sealing portion 111 are cooled down, and cools down fluid-tight portion 109 and forms cavity 113 with the interval setting of oil sealing portion 111.By setting
Meter oil sealing and cooling fluid-tight can effectively observe the motion state of shaft 101, consequently facilitating countershaft 101 is monitored and ties up
Shield.
Wherein, oil sealing is the mechanical organ for oil sealing, it will need the component that lubricates and output component in transmission parts
Isolation, is unlikely to allow oil seepage.
Wherein, cooling fluid-tight refers to the fluid column for having certain altitude in a device, prevents that gas is scurried into discharge opeing guard system
It is indoor.It can be used for resisting draught head change in drain pipe, prevent that gas scurries into indoor certain altitude in Drainage pipe system
Fluid column.
Meanwhile first seal assembly 105 and the second seal assembly 107 be symmetrical arranged so that 103 both ends of clamping ring by
Power is consistent, so as to avoid the abrasion come by 101 tilting band of shaft that unbalance stress occurs.
In the present embodiment, fueller 115 can be that oil sealing portion 111 provides enough crude oil.Liquid feed device 117 can be with
Enough liquid point is provided for cooling fluid-tight portion 109, to ensure the normal operation in cooling fluid-tight portion 109 and oil sealing portion 111.
In the present embodiment, air balance device 119 includes feeder 121 and air balance valve 123, feeder
121 are supplied by the first pipeline 125 for the conveying balance of cavity 113, and flat for the conveying of fueller 115 by second pipe 127
Weigh air, and air balance valve 123 is connected with cavity 113, and for discharging unnecessary equilibrium air to exterior space.
Wherein, from the gas that feeder 121 exports, gas is charged between cooling fluid-tight portion 109 and oil sealing portion 111 all the way
The cavity 113 of formation, unnecessary air can be discharged to outside by air balance valve 123.Air balance valve 123 discharges air
The size of amount is determined by the air pressure around air balance valve 123：When the increase of high gear rotating speed, the 123 outer air pressure of air balance valve
Increase, release air capacity are reduced, and air pressure accordingly raises, and do so the air pressure basic one used in cooling fluid-tight both sides
Cause, so as to ensure that cooling fluid-tight lip acts on pressure very little and substantially constant on shaft seal body so that shaft 101
Abrasion also accordingly reduce, the service life is extended.
Wherein, 101 fueller 115 of shaft is charged to from the another way air of feeder 121, done so used in oil sealing
The oil pressure of front side is consistent with air pressure variations on rear side of oil sealing are acted on, so as to ensure that oil seal lip acts on shaft seal sheet
Pressure on body only has cushion rubber pretightning force itself, initial tension of spring and the low pressure for putting gravity oil tank, this combination pressure to be much smaller than
The suffered pressure of traditional type sealing, therefore the abrasion of shaft 101 itself and shaft seal body is small, service life also obtain into
Increase to one step.
In the present embodiment, referring to Fig. 2, abrasion resistant type shaft sealer 100 further includes control device 129 and case of releasing
131, case 131 of releasing passes through the bleeder pipe 141 with the first solenoid valve 133 and cooling fluid-tight portion 109, oil sealing portion 111 and sky
Chamber 113 connects, and the first solenoid valve 133 is electrically connected to control device 129,129 quilt of control device with air balance valve 123
It is configured to the control when air balance valve 123 is run and opens the first solenoid valve 133.Cool down liquid, the oil sealing portion that fluid-tight portion 109 is more than
The air being more than in 111 oil being more than and cavity 113 can be emitted into case 131 of releasing by bleeder pipe 141, case of releasing
131 are used to keep in waste liquid, avoid contaminated liquid domain.
In detail, control device 129 is programmable logic controller (PLC) (PLC), microcontroller or computer.Programmable logic control
Device processed, for its internally stored program, performs logical operation, sequential control, timing, counting using a kind of programmable memory
With the user oriented instruction such as arithmetical operation, and pass through numeral or the various types of machineries or raw of analog pattern input/output control
Production process.Certainly, in the other embodiment of the utility model, the species of control device 129 can make choice according to demand,
The utility model does not limit.
In the present embodiment, referring to Fig. 2, abrasion resistant type shaft sealer 100 further includes alarm system 135, alarm
System 135 includes pressure sensor 137 and alarm bell 139, and pressure sensor 137 is connected with feeder 121, pressure sensor
137 are electrically connected to control device 129 with alarm bell 139, and control device 129 is configured as the detected value of pressure sensor 137
Alarm bell 139 is controlled to alarm during less than the first preset value.Pressure value when first preset value is 121 normal operation of feeder, when
When bleed pressure is abnormal or air gas circuit has the larger leakage to occur, air pressure can subnormal first preset value,
Control device 129 then can control alarm bell 139 to alarm at this time.So design, efficiently avoid just not caused turn of air pressure
The generation of phenomena such as 101 increased wear of axis.
As preferable scheme, referring to Fig. 2, alarm system 135 further includes air flow sensor 143, air
Flow sensor 143 is used to measure the air mass flow that feeder 121 transports to cavity 113, and control device 129 is configured as sky
Alarm bell 139 is controlled to alarm when the detected value of mass-air-flow sensor 143 is less than the second preset value.Second preset value is feeder
121 flow values normally supplied, when air balance valve 123 blocks the either blocking of bleeder pipe 141, air flow sensor
Flow value detected by 143 can be less than normal second preset value, and control device 129 can control alarm bell 139 to be reported at this time
It is alert, remind staff to check correlation circumstance.
In the present embodiment, referring to Fig. 3, alarm system 135 further includes the first liquid level sensor 145, the first liquid level passes
Sensor 145 is arranged at fueller 115, and the first liquid level sensor 145 is used to detect the liquid level in fueller 115, control
When device 129 processed is configured as the detected value of the first liquid level sensor 145 higher than the 3rd preset value or less than four preset values
Control alarm bell 139 is alarmed.3rd preset value is the upper limit value of fueller 115, and fueller is indicated more than the 3rd preset value
The supersaturation of 115 capacity.4th preset value is the lower limit of fueller 115, and fueller 115 is indicated less than the 4th preset value
Oil starvation.It is continuously 111 fuel feeding of oil sealing portion to be needed due to fueller 115, when the inspection of the first liquid level sensor 145
Control device 129 can control alarm bell 139 to alarm when measured value is higher than the 3rd preset value or less than four preset values, remind staff
To reduce the possibility of security incident generation.
As preferable scheme, alarm system 135 further includes the second liquid level sensor 147, and the second liquid level sensor 147 is used
Release the level value of case 131 in detection, control device 129 is configured as the detected value of the second liquid level sensor 147 higher than the
Alarm bell 139 is controlled to alarm during five preset values.5th preset value is the upper limit value of case 131 of releasing, and is let out more than the 5th preset value mark
Put the supersaturation of 131 capacity of case.Need to be drained at this time, avoid waste liquor contamination marine site or liquid domain environment.
As preferable scheme, alarm system 135 further includes the 3rd liquid level sensor 149, and the 3rd liquid level sensor 149 is used
In the level value of detection liquid feed device 117, the detected value that control device 129 is configured as the 3rd liquid level sensor 149 is higher than
6th preset value or control alarm bell 139 is alarmed during less than seven preset values.6th preset value carries for 117 saturation of liquid feed device
Show, the 7th preset value is the prompting for lacking liquid.Supersaturated and scarce liquid is all unfavorable for the normal operation of shaft 101.
In the present embodiment, referring to Fig. 4, abrasion resistant type shaft sealer 100 further includes waste discharge case 151, waste discharge case 151 is logical
Cross the waste pipe 153 with second solenoid valve 155 and be connected to case 131 of releasing, control device 129 is configured as the second liquid level
Second solenoid valve 155 is opened when the detected value of sensor 147 is higher than five preset values waste liquid is drained into waste discharge case 151.When releasing
The actual capacity value of case 131 more than the 5th preset value, mark release 131 capacity of case supersaturation.It can be drained, be drained at this time
Collected to waste discharge case 151, avoid waste liquor contamination marine site or liquid domain environment.
The present embodiment additionally provides a kind of high gear, including abrasion resistant type shaft sealer 100 and shaft 101, abrasion resistant type
Shaft sealer 100 is sheathed on shaft 101.
Abrasion resistant type shaft sealer 100 and the operation principle of high gear that the embodiment of the utility model provides and beneficial
Effect is：
The abrasion resistant type shaft sealer 100 of offer include shaft seal body, fueller 115, liquid feed device 117 and
Air balance device 119.
First, shaft seal body is sheathed on shaft 101, and shaft seal body has clamping ring 103, the first seal assembly
105 and second seal assembly 107, the first seal assembly 105 and the second seal assembly 107 are respectively arranged at clamping ring 103
Both ends, and the first seal assembly 105 and the second seal assembly 107 include spaced cooling fluid-tight portion 109 and oil sealing portion
111, and cool down fluid-tight portion 109 and form cavity 113 with the interval setting of oil sealing portion 111.Can be with by designing oil sealing and cooling fluid-tight
The motion state of shaft 101 is effectively observed, consequently facilitating countershaft 101 is monitored and safeguards.Oil sealing is for oil sealing
Mechanical organ, it isolates the component for needing to lubricate in transmission parts with output component, is unlikely to allow oil seepage.Coolant
Envelope refers to the fluid column for having certain altitude in a device, prevents that gas scurries into interior in discharge opeing guard system.It can be used for the row of resistance
Draught head changes in liquid pipe, prevents gas in Drainage pipe system from scurrying into the fluid column of indoor certain altitude.First seal assembly
105 are symmetrical arranged with the second seal assembly 107 so that the stress at 103 both ends of clamping ring is consistent, so as to avoid due to stress not
The abrasion that 101 tilting band of shaft occurred is come.
Secondly, fueller 115 can be that oil sealing portion 111 provides enough crude oil.Liquid feed device 117 can be coolant
Envelope portion 109 provides enough liquid point, to ensure the normal operation in cooling fluid-tight portion 109 and oil sealing portion 111.
Meanwhile air balance device 119 includes feeder 121 and air balance valve 123, feeder 121 is for being
Cavity 113 conveys equilibrium air, and air balance valve 123 is connected with cavity 113, and for discharging unnecessary equilibrium air to outer
Portion space.Gas is charged to what is formed between cooling fluid-tight portion 109 and oil sealing portion 111 to the gas exported from feeder 121 all the way
Cavity 113, unnecessary air can be discharged to outside by air balance valve 123.Air balance valve 123 discharges the big of air capacity
The small air pressure by around air balance valve 123 determines：When the increase of high gear rotating speed, 123 outer air pressure of air balance valve increase, is released
It is vented tolerance to reduce, air pressure accordingly raises, and the air pressure done so used in cooling fluid-tight both sides is basically identical, so as to protect
Card cooling fluid-tight lip acts on pressure very little and substantially constant on shaft seal body so that the abrasion of shaft 101
Corresponding to reduce, the service life is extended.
101 fueller 115 of shaft is charged to from the another way air of feeder 121, is done so on front side of oil sealing
Oil pressure it is consistent with air pressure variations on rear side of oil sealing are acted on, so as to ensure that oil seal lip is acted on shaft seal body
Pressure there was only cushion rubber pretightning force itself, initial tension of spring and the low pressure for putting gravity oil tank, this combination pressure is much smaller than tradition
The suffered pressure of formula sealing, therefore the abrasion of shaft 101 itself and shaft seal body is small, service life also obtains further
Ground increases.
The high gear of offer, including abrasion resistant type shaft sealer 100 and shaft 101,100 sets of abrasion resistant type shaft sealer
Arranged on shaft 101.The wearability of the shaft 101 of this high gear is high, the service life length of shaft 101, the maintenance dimension of shaft 101
It is few to protect expense, high financial profit.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
- A kind of 1. abrasion resistant type shaft sealer, for sealing the shaft of high gear, it is characterised in that the abrasion resistant type sealing Device includes：Shaft seal body, the shaft seal body are sheathed on the shaft, and the shaft seal body has clamping ring, the One seal assembly and the second seal assembly, first seal assembly are respectively arranged at the folder with second seal assembly The both ends of tight ring, and first seal assembly includes spaced cooling fluid-tight portion and oil with second seal assembly Envelope portion, and the cooling fluid-tight portion is arranged at intervals to form cavity with the oil sealing portion；Fueller, the fueller are connected with the oil sealing portion, and for being oil sealing portion fuel feeding；Liquid feed device, the liquid feed device are connected with the cooling fluid-tight portion, and for cooling down fluid-tight portion feed flow to be described；Air balance device, the air balance device include feeder and air balance valve, and the feeder passes through the One pipeline is cavity conveying balance supply, and conveys equilibrium air, the sky by second pipe for the fueller Gas balanced valve is connected with the cavity, and for discharging unnecessary equilibrium air to exterior space.
- 2. abrasion resistant type shaft sealer according to claim 1, it is characterised in that the abrasion resistant type shaft sealer also wraps Include control device and release case, the case of releasing passes through the bleeder pipe with the first solenoid valve and the fluid-tight portion, described of cooling down Oil sealing portion and the cavity connect, and first solenoid valve is electrically connected to the control with the air balance valve and fills Put, the control device is configured as control opening first solenoid valve during air balance valve operation.
- 3. abrasion resistant type shaft sealer according to claim 2, it is characterised in that the abrasion resistant type shaft sealer also wraps Alarm system is included, the alarm system includes pressure sensor and alarm bell, and the pressure sensor is connected with the feeder, The pressure sensor is electrically connected to the control device with the alarm bell, and the control device is configured as the pressure The detected value of sensor controls the alarm bell to alarm when being less than the first preset value.
- 4. abrasion resistant type shaft sealer according to claim 3, it is characterised in that the alarm system further includes air stream Quantity sensor, the air flow sensor are used to measure the air mass flow that the feeder transports to the cavity, the control The detected value that device processed is configured as the air flow sensor controls the alarm bell to alarm when being less than the second preset value.
- 5. abrasion resistant type shaft sealer according to claim 3, it is characterised in that the alarm system further includes the first liquid Level sensor, first liquid level sensor are arranged at the fueller, and first liquid level sensor is used to detect described Liquid level in fueller, the detected value that the control device is configured as first liquid level sensor are higher than the 3rd Preset value or less than four preset values when, control the alarm bell to alarm.
- 6. abrasion resistant type shaft sealer according to claim 5, it is characterised in that the alarm system further includes the second liquid Level sensor, second liquid level sensor are used for the level value for detecting the case of releasing, and the control device is configured as The detected value of second liquid level sensor controls the alarm bell to alarm when being higher than five preset values.
- 7. abrasion resistant type shaft sealer according to claim 6, it is characterised in that the alarm system further includes the 3rd liquid Level sensor, the 3rd liquid level sensor are used for the level value for detecting the liquid feed device, and the control device is configured as The alarm bell is controlled to alarm when the detected value of the 3rd liquid level sensor is higher than the 6th preset value or less than seven preset values.
- 8. abrasion resistant type shaft sealer according to claim 6, it is characterised in that the abrasion resistant type shaft sealer also wraps Waste discharge case is included, the waste discharge case is connected to the case of releasing, the control device by the waste discharge pipeline with second solenoid valve It is configured as opening the second solenoid valve by waste liquid when the detected value of second liquid level sensor is higher than five preset values Drain into the waste discharge case.
- 9. the abrasion resistant type shaft sealer according to any one of claim 2 to 7, it is characterised in that the control device For one kind in programmable logic controller (PLC), microcontroller, computer.
- 10. a kind of high gear, it is characterised in that including the abrasion resistant type shaft sealer any one of claim 1 to 9 With shaft, the abrasion resistant type shaft sealer is sheathed on the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721262098.3U CN207333701U (en) | 2017-09-27 | 2017-09-27 | A kind of abrasion resistant type shaft sealer and high gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721262098.3U CN207333701U (en) | 2017-09-27 | 2017-09-27 | A kind of abrasion resistant type shaft sealer and high gear |
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| Publication Number | Publication Date |
|---|---|
| CN207333701U true CN207333701U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721262098.3U Expired - Fee Related CN207333701U (en) | 2017-09-27 | 2017-09-27 | A kind of abrasion resistant type shaft sealer and high gear |
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| CN (1) | CN207333701U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504182A (en) * | 2017-09-27 | 2017-12-22 | 南京创力传动机械有限公司 | A kind of abrasion resistant type shaft sealer and high gear |
| WO2022087346A1 (en) * | 2020-10-23 | 2022-04-28 | Cornell Pump Company | Monitoring system for pump with mechanical seal lubrication arrangement |
| CN107504182B (en) * | 2017-09-27 | 2024-05-17 | 南京创力传动机械有限公司 | Wear-resistant shaft sealing device and high-speed gear |
-
2017
- 2017-09-27 CN CN201721262098.3U patent/CN207333701U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504182A (en) * | 2017-09-27 | 2017-12-22 | 南京创力传动机械有限公司 | A kind of abrasion resistant type shaft sealer and high gear |
| CN107504182B (en) * | 2017-09-27 | 2024-05-17 | 南京创力传动机械有限公司 | Wear-resistant shaft sealing device and high-speed gear |
| WO2022087346A1 (en) * | 2020-10-23 | 2022-04-28 | Cornell Pump Company | Monitoring system for pump with mechanical seal lubrication arrangement |
| US11686228B2 (en) | 2020-10-23 | 2023-06-27 | Cornell Pump Company LLC | Monitoring system for pump with mechanical seal lubrication arrangement |
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Denomination of utility model: Wear-resistant type shaft sealing device and high-speed gear Effective date of registration: 20200325 Granted publication date: 20180508 Pledgee: Bank of Jiangsu Limited by Share Ltd. Nanjing Jiangning branch Pledgor: NANJING CHUANGLI TRANSMISSION MACHINERY Co.,Ltd. Registration number: Y2020980001006 |
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