CN207453963U - Suspending sealing device, inner sprayer unit and development machine - Google Patents
Suspending sealing device, inner sprayer unit and development machine Download PDFInfo
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- CN207453963U CN207453963U CN201721240703.7U CN201721240703U CN207453963U CN 207453963 U CN207453963 U CN 207453963U CN 201721240703 U CN201721240703 U CN 201721240703U CN 207453963 U CN207453963 U CN 207453963U
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- sealing ring
- suspending sealing
- suspending
- water channel
- pin
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- 238000007789 sealing Methods 0.000 title claims abstract description 157
- 238000011161 development Methods 0.000 title claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 45
- 230000000712 assembly Effects 0.000 claims abstract description 45
- 230000013011 mating Effects 0.000 claims abstract description 27
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 238000007667 floating Methods 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 31
- 238000012546 transfer Methods 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005483 Hooke's law Effects 0.000 description 1
- 241001274660 Modulus Species 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The suspending sealing device, inner sprayer unit and development machine of the utility model, wherein, suspending sealing device is used to transfer liquid from fixed pedestal to rotary body, the mating groove around main shaft is provided on fixed pedestal, suspending sealing ring is provided in mating groove, the side wall surface of mating groove is interior spherical zone face or inner conical surface, suspending sealing ring be with the matched outer surface of side wall surface of mating groove and ectosphere zone face or male cone (strobilus masculinus), suspending sealing ring forms the fluid passage of sealing with fixed pedestal, and suspending sealing ring is connected with rotary body by spring pin assemblies.The inner sprayer unit of the utility model includes the suspending sealing device of the utility model.The development machine of the utility model includes the inner sprayer unit of the utility model.The advantages of technical solutions of the utility model:Suspending sealing ring and cooperation of the ectosphere zone face with interior spherical zone face that fixed pedestal is same diameter, are the best geometries for realizing that the two is coaxial；Under spring force, effective guarantee suspending sealing ring and fixed pedestal is coaxial.The technical solution of the utility model realizes being kept completely separate for water cavity and oil pocket, and safety work is made to have guarantee.
Description
Technical field
The utility model is related to engineering machinery, more particularly to a kind of suspending sealing device, inner sprayer unit and driving
Machine.
Background technology
Boom-type roadheader be it is a kind of can realize cut, load transport, from walking and spray for dust suppression Unit erriger.It is outstanding
Road headers to realize simultaneously remove coal petrography, load transport, the functions such as machine walking transfer in itself and spray for dust suppression, i.e.,
Integrate cutting, loading, transport, walking.The inner sprayer unit of development machine is the important component of development machine, and function is in lane
Cut to coal petrography is realized by the rotation of cutterhead during road headwork, while the water mist sprayed is to cut tooth and coal petrography
Depositing dust is realized in contact site.A kind of common internal spraying device for development machine is as shown in Figure 1, including the body of the cutting head 1, inner spline housing
2nd, floating seal seat 3, floating seal frame 4, spacer 5, main shaft 6, floating seal 11, O-ring 12, TG oil sealings 13.Wherein water route passes through
By passing through spacer 5 after floating seal frame 4,13 Jiang Shui of TG oil sealings of 5 centre of floating seal frame 4 and spacer is separated with oil, 5 He of spacer
O-ring 12 is set between main shaft 6.The higher water of pressure enters main shaft 6 at work, so through the water hole of inner spline housing 2 into
Enter 1 water cavity of the body of the cutting head, be finally transported to each water spout of cutterhead, still, there are gaps and main shaft 6 to work due to bearing
When by radially outward force, main shaft 6 can generate cycle slight oscillatory in working, so as to generate rotation mill between TG oil sealings 13 and spacer 5
Damage, forms radial clearance, and high pressure water (pressure >=2.5MPa) will be leaked into bearing bore from such gap so that water oil is mixed
It closes, bearing rust damage causes the internal spraying of development machine at this stage that can not use.Internal spraying can not use cause cut working face
Dust is big, and can bring following problem：1st, coal dust explosion hidden danger is added；2nd, worker's operating environment is degrading, during worker's operation
A large amount of dust still can be sucked in spite of protection；3rd, it is unsighted, thus operation at present is had to one man operation, a people is digging
Observation commander is assisted into pusher side face, cost of labor is added, while also increases personal safety hidden danger.
Utility model content
The technical problem to be solved by the present invention is to provide it is a kind of ensure internal spraying normal use suspending sealing device,
Inner sprayer unit and development machine.
The suspending sealing device of the utility model, for transferring liquid from fixed pedestal to rotary body, including suspending sealing
Ring, fixed pedestal, rotary body are provided with the mating groove around main shaft on the fixed pedestal, are set in the mating groove
There is suspending sealing ring, suspending sealing ring set is placed on the main shaft, and the side wall surface of the mating groove is interior spherical zone face or inner cone
Face, the suspending sealing ring with the matched outer surface of side wall surface of the mating groove be with ectosphere zone face or male cone (strobilus masculinus),
By interior spherical zone face and the cooperation of ectosphere zone face or the cooperation of inner conical surface and male cone (strobilus masculinus), the suspending sealing ring and the fixed base
Seat forms the fluid passage of sealing, and the suspending sealing ring is connected with the rotary body by spring pin assemblies, and the suspension is close
Seal ring is internally provided with the first water channel, and first water channel is connected with fluid passage, and the rotary body is internally provided with second
Water channel, first water channel are connected with second water channel by connector hose component.
The suspending sealing device of the utility model, wherein, the suspending sealing ring and the rotary body pass through three springs
Pin assemblies connect, and three spring pin assemblies are circumferentially uniformly distributed on the end face of suspending sealing ring, spring pin assemblies to the master
The vertical line of the vertical lines of the central axes of axis and adjacent springs pin assemblies to the central axes of the main shaft into angle be 120 degree.
The suspending sealing device of the utility model, wherein, the spring pin assemblies include pin and are placed on the pin
Spring, one end of the pin stretches into the first pin hole of the rotary body and is interference fitted with first pin hole, the pin
The other end stretch into the second pin hole on the end face of suspending sealing ring and with the second pin hole clearance fit, the spring is to suspension
The end face of sealing ring applies elastic force.
The suspending sealing device of the utility model, wherein, the connector hose component includes the first Taper Pipe connector, the second cone
Pipe fitting, hose assembly, the first Taper Pipe connector are stretched into the first water channel of the suspending sealing ring, and second Taper Pipe connects
Head is stretched into the second water channel of the rotary body, and the first Taper Pipe connector, the second Taper Pipe connector are connected to one by the hose assembly
It rises.
The suspending sealing device of the utility model, wherein, the suspending sealing ring includes the metal towards the rotary body
Ring body and the ceramic wear-resisting ring being embedded in the metal ring body, the metal ring body and the rotary body pass through three springs
Pin assemblies connect.
The inner sprayer unit of the utility model including the body of the cutting head, suspending sealing ring, main shaft, is placed on the main shaft
On inner spline housing and floating seal seat and floating seal frame, the body of the cutting head is welded on the inner spline housing, described
Suspending sealing ring set is placed on the floating seal seat, and the mating groove around main shaft is provided on the floating seal frame, is hanged
Floating sealing ring coordinates with the mating groove, and the side wall surface of the mating groove is interior spherical zone face or inner conical surface, and the suspension is close
Seal ring with the matched outer surface of side wall surface of the mating groove be with ectosphere zone face or male cone (strobilus masculinus), by interior spherical zone face with
The cooperation of ectosphere zone face or the cooperation of inner conical surface and male cone (strobilus masculinus), the suspending sealing ring form sealing with the floating seal frame
Fluid passage, the suspending sealing ring are connected with the inner spline housing by spring pin assemblies, the inside of the suspending sealing ring
The first water channel is provided with, first water channel is connected with fluid passage, and the body of the cutting head is internally provided with the second water channel, described
First water channel is connected with second water channel by connector hose component.
The inner sprayer unit of the utility model, wherein, the inner spline housing and the suspending sealing ring pass through three springs
Pin assemblies connect, and three spring pin assemblies are circumferentially uniformly distributed on the end face of suspending sealing ring, spring pin assemblies to the master
The vertical line of the vertical lines of the central axes of axis and adjacent springs pin assemblies to the central axes of the main shaft into angle be 120 degree.
The inner sprayer unit of the utility model, wherein, the spring pin assemblies include pin and are placed on the pin
Spring, one end of the pin are stretched into the first pin hole of the inner spline housing and are interference fitted with first pin hole, the pin
The other end stretch into the second pin hole on the end face of suspending sealing ring and with the second pin hole clearance fit, the spring is to suspension
The end face of sealing ring applies elastic force.
The inner sprayer unit of the utility model, wherein, the connector hose component includes the first Taper Pipe connector, the second Taper Pipe
Connector, hose assembly, the first Taper Pipe connector are stretched into the first water channel of the suspending sealing ring, the second Taper Pipe connector
It stretches into the second water channel of the body of the cutting head, the first Taper Pipe connector, the second Taper Pipe connector are connected to one by the hose assembly
It rises.
The development machine of the utility model, the inner sprayer unit including the utility model.
The utility model to rotating mechanism transfer highly pressurised liquid suspending sealing device the advantages of:1st, suspending sealing ring with
Fixed pedestal be ectosphere zone face and the interior spherical zone face of same diameter cooperation (or with size frustum and taper hole cooperation), be
Realize the coaxial best geometry of the two；2nd, above two spherical zone face or cone match can look for automatically under spring pressure
Center, i.e.,：Make suspending sealing ring and fixed pedestal coaxial always；3rd, above two spherical zone face or cone match are in spring pressure
Under, the gap that suspending sealing ring 3 is generated with fixed pedestal abrasion is effectively made up, plays long term seal effect；4th, three groups of same specifications,
It with the spring of elastic force, is evenly distributed on same circumference, achievees the effect that determine a plane, is evenly distributed on pressure at 3 points
On suspending sealing ring；5th, three torque passing pins coordinate with the torque transfer hole on suspending sealing ring for wide arc gap, and it is fixed to prevent
Position, under spring force, effective guarantee suspending sealing ring is coaxial with fixed pedestal；6th, inlayed in the global zone face of suspending sealing
Ceramic material, to strengthen wearability；7th, connector hose component both ends respectively with suspending sealing ring and rotary body Taper Pipe joint sealing,
Centre is connected with hose, is influenced from wear extent structure is supplemented at any time
Compared with prior art, the technical solution of the utility model special construction realizes dividing completely for water cavity and oil pocket
From, it both ensure that the use of internal spraying, and also improved the service life of development machine accessory, while operating environment is improved, after being
The automation driving design of phase provides condition, and safety work is made to have guarantee.
Description of the drawings
Fig. 1 is the structure diagram of the internal spraying device for development machine of the prior art；
Fig. 2 is the structure diagram of the suspending sealing device of the utility model；
Fig. 3 is the I partial enlarged views of Fig. 2；
Fig. 4 is the structure diagram of the inner sprayer unit of the utility model；
Fig. 5 is the structure diagram of the connector hose component of the inner sprayer unit of the utility model；
Fig. 6 is the B partial enlarged views of Fig. 4；
Fig. 7 is that the pressure of the suspending sealing device of the utility model derives calculating schematic diagram.
Specific embodiment
As shown in Fig. 2, the suspending sealing device of the utility model, for transferring liquid from fixed pedestal 4 to rotary body 1,
Including suspending sealing ring 3, fixed pedestal 4, rotary body 1, the mating groove around main shaft 5 is provided on fixed pedestal 4, cooperation is recessed
Suspending sealing ring 3 is provided in slot, suspending sealing ring 3 is placed on main shaft 5, and the side wall surface of mating groove is interior spherical zone face or interior
The conical surface, suspending sealing ring 3 with the matched outer surface of side wall surface of mating groove be with ectosphere zone face or male cone (strobilus masculinus), by interior
Spherical zone face and the cooperation of ectosphere zone face or the cooperation of inner conical surface and male cone (strobilus masculinus), suspending sealing ring form the liquid of sealing with fixed pedestal
Body passage, suspending sealing ring and rotary body are connected by spring pin assemblies 7, and suspending sealing ring is internally provided with the first water channel,
First water channel is connected with fluid passage, and rotary body is internally provided with the second water channel, and the first water channel is soft by connector with the second water channel
Tube assembly 6 connects.
Rotary body 1 is connected by connecting key 2 with main shaft 5, and rotation is driven by main shaft 5.
The suspending sealing device of the utility model, wherein, suspending sealing ring and rotary body are connected by three spring pin assemblies
It connects, three spring pin assemblies are circumferentially uniformly distributed on the end face of suspending sealing ring, the central axes of spring pin assemblies to main shaft
Vertical line and adjacent springs pin assemblies to the central axes of main shaft vertical line into angle be 120 degree.
With reference to shown in Fig. 3, the suspending sealing device of the utility model, wherein, spring pin assemblies 7 include pin 71 and are nested with
In the spring 72 on pin 71, one end of pin is stretched into the first pin hole 11 of rotary body 1 and is interference fitted with the first pin hole 11, pin it is another
One end stretch into the second pin hole 31 on the end face of suspending sealing ring 3 and with the second pin hole clearance fit, spring is to suspending sealing ring
End face apply elastic force.
The suspending sealing device of the utility model, wherein, connector hose component includes the first Taper Pipe connector, the second Taper Pipe connects
Head, hose assembly, the first Taper Pipe connector stretched into the first water channel of suspending sealing ring, and the second Taper Pipe connector stretches into the of rotary body
In two water channels, hose assembly links together the first Taper Pipe connector, the second Taper Pipe connector.
The suspending sealing device of the utility model, wherein, suspending sealing ring include towards rotary body metal ring body and
The ceramic wear-resisting ring being embedded in metal ring body, metal ring body and rotary body are connected by three spring pin assemblies.
The detailed operation principle of the suspending sealing device of the utility model is as follows：
Floating seal seat is coordinated with suspending sealing ring by the mating surface of special shape, forms the built-in liquid of a closing
Passage, suspending sealing ring front end are connected by three spring pin assemblies with rotary body, inside and outside realization spherical zone face or inside and outside frustum it
Between dynamic sealing.
The right end of pin in spring pin assemblies uploads three the second pin hole clearance fits of torque delivery with suspending sealing ring, prevents
Only suspending sealing ring crosses positioning；The left end of pin in spring pin assemblies uploads three the first pin hole interference of torque delivery with rotary body
Cooperation, rotary body drive suspending sealing ring synchronous rotary.
Three groups of same specification springs are evenly distributed on the same circumference, and are acted on the left side of suspending sealing ring, are worked as spring
When elastic force is more than high pressure liquid pressure, reach the dynamic blind-mate of suspending sealing ring and fixed pedestal.
In addition, the other end (right side) of suspending sealing ring is ectosphere zone face or outer cone mesa designs, in spring pin bank
Under part effect, it is ensured that suspending sealing ring and fixed pedestal are coaxial always, and can supplement wear extent at any time with automatic aligning.
Suspending sealing ring is connected with rotary body by connector hose component, and thus highly pressurised liquid enters rotary body and presets
Fluid passage in, be achieved in highly pressurised liquid and transmitted from fixed pedestal to a rotating body, so as to the dedusting played and cycle
Cooling effect.
Calculation of pressure reasoning：
With reference to shown in Fig. 7, highly pressurised liquid is F to the maximum pressure (direction is to the left) of suspending sealing ringLiquid max；In first water channel
The distance of the peak of water annulus mesohigh liquid to main shaft is r1, water annulus mesohigh liquid is minimum in the first water channel
The distance of point to main shaft is r2, highly pressurised liquid is respectively r to the radius of the annulus of spring active area1、r2, then its active area
For S=π (r1 2-r2 2), if the maximum pressure of highly pressurised liquid is PMPa, calculating pressure is FLiquid max=PS=P π (r1 2-r2 2)。
Hooke's law：One group of spring force is FBullet=Ks (K:Coefficient of elasticity, s：Elastically-deformable distance.) K=(G ×
d4)/(8×Dm3× Nc), G=carbon spring steel wires moduluses, d=steel wire diameters, Dm=central diameters, N=numbers of total coils, Nc=coils
Number is N-2.
Conclusion：Work as 3FBullet＞ FLiquidMax then can be achieved with the positive confinement of suspending sealing ring and fixed pedestal.
The utility model is summarized the advantages of transferring the suspending sealing device of highly pressurised liquid to rotating mechanism:
1st, suspending sealing ring and fixed pedestal are cooperation (or the same sizes in ectosphere zone face and the interior spherical zone face of same diameter
Frustum and taper hole cooperation), be both to realize coaxial best geometry；
2nd, above two spherical zone face or cone match be under spring pressure, can automatic alignment, i.e.,：Make suspending sealing ring
It is coaxial always with fixed pedestal；
3rd, above two spherical zone face or cone match effectively make up suspending sealing ring 3 and fixed pedestal under spring pressure
The gap generated is worn, plays long term seal effect；
4th, three groups of same specifications, the spring with elastic force are evenly distributed on same circumference, are reached at 3 points and are determined plane
Effect makes pressure be evenly distributed on suspending sealing ring；
5th, three torque passing pins coordinate with the torque transfer hole on suspending sealing ring for wide arc gap, prevent positioning,
Under spring-force driven dual, effective guarantee suspending sealing ring is coaxial with fixed pedestal；
6th, in the ceramic embedded material of the global zone face of suspending sealing, to strengthen wearability；
7th, connector hose component both ends are connected respectively with suspending sealing ring and rotary body, from other influences.
As shown in Fig. 4, Fig. 5, Fig. 6, the inner sprayer unit of the utility model, including the body of the cutting head 1, suspending sealing ring 8, master
Axis 6, the inner spline housing 2 being placed on main shaft and floating seal seat 3 and floating seal frame 4, the body of the cutting head 1, which is nested with, to be welded in
On inner spline housing 2, suspending sealing ring 8 is placed on floating seal seat, and the cooperation being provided on floating seal frame around main shaft 6 is recessed
Slot, suspending sealing ring 8 and mating groove coordinate, and the side wall surface of mating groove is interior spherical zone face or inner conical surface, suspending sealing ring
With the matched outer surface of side wall surface of mating groove be with ectosphere zone face or male cone (strobilus masculinus), pass through interior spherical zone face and ectosphere zone face
Cooperation or the cooperation of inner conical surface and male cone (strobilus masculinus), suspending sealing ring form the fluid passage of sealing, suspending sealing with floating seal frame
Ring and inner spline housing are connected by spring pin assemblies 9, and suspending sealing ring is internally provided with the first water channel, the first water channel and liquid
Passage connects, and the body of the cutting head is internally provided with the second water channel, and the first water channel is connected with the second water channel by connector hose component 7.
The inner sprayer unit of the utility model, wherein, inner spline housing 2 and suspending sealing ring 8 pass through three 9 components of spring catch
Connection, three spring pin assemblies are circumferentially uniformly distributed on the end face of suspending sealing ring, the central axes of spring pin assemblies to main shaft
Vertical line and adjacent springs pin assemblies to the central axes of main shaft vertical line into angle be 120 degree.
The inner sprayer unit of the utility model, wherein, spring pin assemblies 9 include pin 91 and the spring being placed on pin
92, one end of pin is stretched into the first pin hole 21 of inner spline housing 2 and is interference fitted with the first pin hole, and the other end of pin 91 stretches into suspension
The second pin hole 81 on the end face of sealing ring 8 and with the second pin hole clearance fit, spring 92 applies to the end face of suspending sealing ring 8
Elastic force.
The inner sprayer unit of the utility model, wherein, connector hose component 7 includes the first Taper Pipe connector 71, the second Taper Pipe
Connector 72, hose assembly 73, the first Taper Pipe connector are stretched into the first water channel of suspending sealing ring 8, and the second Taper Pipe connector, which stretches into, to be cut
It cuts in the second water channel of body, hose assembly links together the first Taper Pipe connector, the second Taper Pipe connector.
The development machine of the utility model, the inner sprayer unit including the utility model.
The inner sprayer unit of the utility model makes highly pressurised liquid (water) from floating seal frame to rotation by suspending sealing device
Rotation mechanism (the body of the cutting head 1) transmits, for dedusting, depositing dust and circulating cooling in the course of work etc..
The inner sprayer unit of the utility model can thoroughly solve the problems, such as internal spraying using suspending sealing device, the suspending sealing
Device is that revolutionary character is separated oil pocket and water cavity for development machine, so definitely avoids water and enters oil pocket, it is ensured that
Internal spraying can be used safely.
The suspending sealing device of highly pressurised liquid is transferred to rotating mechanism (rotary body), using an outer surface for spherical zone face or
The suspending sealing ring 8 of circular conical surface serves as a connection, and high pressure water enters the built-in water route of floating seal frame 4 by protecting cylinder.It is outstanding
Floating 8 front end of sealing ring is connected with inner spline housing by three spring pin assemblies 9, and the dynamic sealing in spherical zone face inside and outside realization suspends
Sealing ring 8 connects water route with the body of the cutting head 1 by connector hose component 7, so that high pressure water can enter cutterhead water cavity, entirely
Water route is arranged outside bearing seal chamber, effectively controls water oil mixing.
Cutterhead (being the combination of the body of the cutting head 1 and inner spline housing 2) rotates, by the effect of three groups of spring pin assemblies 9,
Suspending sealing ring 8 is driven to rotate synchronously, while ensures that suspending sealing ring 8 is fitted closely with floating seal frame 4 under the action of the spring
And coaxial relative rotation.
In the inner sprayer unit real work of the utility model, high pressure water (pressure >=2.5MPa) enters floating seal frame 4
Built-in water route, by water route built in suspending sealing ring 8, into cutterhead water cavity.9 elastic force of spring pin assemblies is more than hydraulic pressure, suspends
The automatic Efficient software patching abrasion of sealing device, makes water column be walked along predetermined water route, is sprayed from cutterhead water spout, realize interior spray
Mist.
According to above-mentioned formula, by selecting the processing dimension of spring and design water inlet annular groove, can with it is concluded that：Work as FBullet＞
FLiquid max, then the positive confinement between suspending sealing ring and floating seal frame is realized.
Compared with prior art, the technical solution of the utility model special construction realizes dividing completely for water cavity and oil pocket
From, it both ensure that the use of internal spraying, and also improved the service life of development machine accessory, while operating environment is improved, after being
The automation driving design of phase provides condition, and safety work is made to have guarantee.
It the above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill people of the art
For member, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of suspending sealing device, for transferring liquid from fixed pedestal to rotary body, which is characterized in that including suspending sealing
Ring, fixed pedestal, rotary body are provided with the mating groove around main shaft on the fixed pedestal, are set in the mating groove
There is suspending sealing ring, suspending sealing ring set is placed on the main shaft, and the side wall surface of the mating groove is interior spherical zone face or inner cone
Face, the suspending sealing ring with the matched outer surface of side wall surface of the mating groove be with ectosphere zone face or male cone (strobilus masculinus),
By interior spherical zone face and the cooperation of ectosphere zone face or the cooperation of inner conical surface and male cone (strobilus masculinus), the suspending sealing ring and the fixed base
Seat forms the fluid passage of sealing, and the suspending sealing ring is connected with the rotary body by spring pin assemblies, and the suspension is close
Seal ring is internally provided with the first water channel, and first water channel is connected with fluid passage, and the rotary body is internally provided with second
Water channel, first water channel are connected with second water channel by connector hose component.
2. suspending sealing device as described in claim 1, which is characterized in that the suspending sealing ring and the rotary body pass through
Three spring pin assemblies connections, three spring pin assemblies are circumferentially uniformly distributed on the end face of suspending sealing ring, spring pin assemblies
To the central axes of the main shaft vertical line and adjacent springs pin assemblies to the central axes of the main shaft vertical line into angle be 120
Degree.
3. suspending sealing device as claimed in claim 2, which is characterized in that the spring pin assemblies include pin and are placed on
Spring on the pin, one end of the pin are stretched into the first pin hole of the rotary body and are interference fitted with first pin hole,
The other end of the pin stretch into the second pin hole on the end face of suspending sealing ring and with the second pin hole clearance fit, the bullet
Spring applies elastic force to the end face of suspending sealing ring.
4. suspending sealing device as claimed in claim 3, which is characterized in that the connector hose component connects including the first Taper Pipe
Head, the second Taper Pipe connector, hose assembly, the first Taper Pipe connector is stretched into the first water channel of the suspending sealing ring, described
Second Taper Pipe connector is stretched into the second water channel of the rotary body, and the hose assembly connects the first Taper Pipe connector, the second Taper Pipe
Head links together.
5. suspending sealing device as claimed in claim 4, which is characterized in that the suspending sealing ring is included towards the rotation
The metal ring body of body and the ceramic wear-resisting ring being embedded in the metal ring body, the metal ring body and the rotary body pass through
Three spring pin assemblies connections.
6. a kind of inner sprayer unit, which is characterized in that including the body of the cutting head, suspending sealing ring, main shaft, be placed on the main shaft
On inner spline housing and floating seal seat and floating seal frame, the body of the cutting head is welded on the inner spline housing, described
Suspending sealing ring set is placed on the floating seal seat, and the mating groove around main shaft is provided on the floating seal frame, is hanged
Floating sealing ring coordinates with the mating groove, and the side wall surface of the mating groove is interior spherical zone face or inner conical surface, and the suspension is close
Seal ring with the matched outer surface of side wall surface of the mating groove be with ectosphere zone face or male cone (strobilus masculinus), by interior spherical zone face with
The cooperation of ectosphere zone face or the cooperation of inner conical surface and male cone (strobilus masculinus), the suspending sealing ring form sealing with the floating seal frame
Fluid passage, the suspending sealing ring are connected with the inner spline housing by spring pin assemblies, the inside of the suspending sealing ring
The first water channel is provided with, first water channel is connected with fluid passage, and the body of the cutting head is internally provided with the second water channel, described
First water channel is connected with second water channel by connector hose component.
7. inner sprayer unit as claimed in claim 6, which is characterized in that the inner spline housing and the suspending sealing ring pass through
Three spring pin assemblies connections, three spring pin assemblies are circumferentially uniformly distributed on the end face of suspending sealing ring, spring pin assemblies
To the central axes of the main shaft vertical line and adjacent springs pin assemblies to the central axes of the main shaft vertical line into angle be 120
Degree.
8. inner sprayer unit as claimed in claim 7, which is characterized in that the spring pin assemblies include pin and are placed on institute
The spring on pin is stated, one end of the pin is stretched into the first pin hole of the inner spline housing and is interference fitted with first pin hole,
The other end of the pin stretch into the second pin hole on the end face of suspending sealing ring and with the second pin hole clearance fit, the bullet
Spring applies elastic force to the end face of suspending sealing ring.
9. inner sprayer unit as claimed in claim 8, which is characterized in that the connector hose component connects including the first Taper Pipe
Head, the second Taper Pipe connector, hose assembly, the first Taper Pipe connector is stretched into the first water channel of the suspending sealing ring, described
Second Taper Pipe connector is stretched into the second water channel of the body of the cutting head, and the hose assembly is by the first Taper Pipe connector, the second Taper Pipe
Connector links together.
10. a kind of development machine, which is characterized in that including such as claim 6-9 any one of them inner sprayer unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721240703.7U CN207453963U (en) | 2017-09-26 | 2017-09-26 | Suspending sealing device, inner sprayer unit and development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721240703.7U CN207453963U (en) | 2017-09-26 | 2017-09-26 | Suspending sealing device, inner sprayer unit and development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207453963U true CN207453963U (en) | 2018-06-05 |
Family
ID=62284247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721240703.7U Withdrawn - After Issue CN207453963U (en) | 2017-09-26 | 2017-09-26 | Suspending sealing device, inner sprayer unit and development machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207453963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605483A (en) * | 2017-09-26 | 2018-01-19 | 北京中科威能技术服务有限公司 | Suspending sealing device, inner sprayer unit and development machine |
| CN110374593A (en) * | 2019-08-29 | 2019-10-25 | 三一重型装备有限公司 | Development machine internal spraying water supply system and development machine |
-
2017
- 2017-09-26 CN CN201721240703.7U patent/CN207453963U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605483A (en) * | 2017-09-26 | 2018-01-19 | 北京中科威能技术服务有限公司 | Suspending sealing device, inner sprayer unit and development machine |
| CN107605483B (en) * | 2017-09-26 | 2024-03-26 | 唯实重工股份有限公司 | Suspension sealing device, internal spraying device and heading machine |
| CN110374593A (en) * | 2019-08-29 | 2019-10-25 | 三一重型装备有限公司 | Development machine internal spraying water supply system and development machine |
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Effective date of registration: 20200720 Address after: 037000 Datong Xinrong District Economic Development Zone, West Village, township, Shanxi Patentee after: DATONG ZHONGKE WEISHI MINING TECHNOLOGY Co.,Ltd. Address before: 100085 building 4, yard 5, No. 1, Nongda Road, Haidian District, Beijing City, 405 Patentee before: BEIJING ZHONGKE WEINENG TECHNOLOGY SERVICE Co.,Ltd. |
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Address after: 037002 East Hebao Village, Xicun Township, Xinrong District, Datong City, Shanxi Province Patentee after: Weishi Heavy Industry Co.,Ltd. Address before: 037000 east of Hebao village, Xicun Township, economic development zone, Xinrong District, Datong City, Shanxi Province Patentee before: DATONG ZHONGKE WEISHI MINING TECHNOLOGY Co.,Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180605 Effective date of abandoning: 20240326 |