CN106257114B - The seal of cutter and the method for sealing - Google Patents
The seal of cutter and the method for sealing Download PDFInfo
- Publication number
- CN106257114B CN106257114B CN201510567633.5A CN201510567633A CN106257114B CN 106257114 B CN106257114 B CN 106257114B CN 201510567633 A CN201510567633 A CN 201510567633A CN 106257114 B CN106257114 B CN 106257114B
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- seal
- cutter
- sealing ring
- capsul
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 234
- 238000000034 method Methods 0.000 title claims abstract description 11
- 210000000515 tooth Anatomy 0.000 claims description 65
- 238000009434 installation Methods 0.000 claims description 36
- 238000009527 percussion Methods 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000013536 elastomeric material Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 230000001737 promoting effect Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 8
- 230000035939 shock Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The present invention relates to the seal of cutter and encapsulating method.A kind of seal of the cutter of quartering hammer, sealing device, quartering hammer and seal quartering hammer cutter method.The seal is sealing ring (14), and the periphery (23) of the sealing ring (14) is provided with some prominent elements, and the prominent element is inclined (S).When just pushing up the sealing ring in transverse direction (T) during use in quartering hammer (1), the prominent element produces moment of torsion in the sealing ring.Therefore, the sealing ring can rotate (R) equivalent to cutter (6).
Description
Background technology
The present invention relates to a kind of seal of the cutter of quartering hammer.The seal is a kind of annular element.The inner circumferential of seal
As the sealing surfaces against cutter.
The invention further relates to a kind of sealing device, a kind of quartering hammer and a kind of method for the cutter for sealing quartering hammer.
The field of the invention is more specifically limited in the preamble of independent claims.
Quartering hammer is in the material of crushing hard, such as rock, concrete and the like.Quartering hammer includes percussion device,
For producing shock pulse to the crushing cutter connectable to quartering hammer.By means of cutter seal (typically sealing ring),
By cutter relative to the body of quartering hammer or the sealing structure of other surroundings.Current sealing device shown comprising for example with
Some relevant defects of their wearability.
The content of the invention
It is an object of the present invention to provide a kind of novel and improved cutter seal.Another purpose is to provide one
Kind novelty and improved sealing device, quartering hammer and the method for sealing cutter, all purposes are to reduce the mill of cutter seal
Damage.
It is characterised by according to the seal of the present invention：The periphery of sealing ring is provided with some prominent elements, and works as
When being observed on the axial direction of sealing ring, normal slope of the element relative to periphery is protruded.
It is characterised by according to the sealing device of the present invention：Sealing ring is the seal according to claim 1-6；And permit
Perhaps sealing ring rotates relative to capsul and cutter in its circumferential direction.
It is characterised by according to the quartering hammer of the present invention：Sealing ring is the seal according to claim 1-6；And allow
Sealing ring rotates relative to capsul and cutter in its circumferential direction.
The method according to the invention is characterised by：Using elastic sealing ring, it is provided with the periphery of sealing ring inclined
Prominent element；During using quartering hammer, it is allowed to which sealing ring is subjected to the power with the longitudinal axis phase traversed by of cutter；Due to laterally inclined
Oblique force and cause the inclined prominent element of sealing ring reversibly to deform；After compression deflecting force terminates, inclined prominent element
Shape recover to their initial states, and moment of torsion is produced in sealing ring by recovery；And by means of caused
Moment of torsion makes sealing ring be rotated relative to cutter and capsul.
One kind of disclosed scheme is conceived：In quartering hammer during use, the sealing ring of cutter is in its circumferential direction
Rotate.The cross force that cutter and sealing ring are born is used to produce required moment of torsion in sealing ring.Caused moment of torsion is based on
Inclined prominent element on the periphery of sealing ring.Inclined prominent element was reversibly deformed due to cross force and at power end
Recover after only, wherein moment of torsion produces during Restoration stage.
The advantages of disclosed scheme is：Because sealing ring at it rotates or rotated during use, so sealing ring makes
It is longer than traditional sealing ring with the time limit.Between cutter and seal, the sealing surfaces are typically subjected to local sealing surfaces
Or the abrasion pointed to.Now, sealing ring changes its position relative to cutter, and unrelated with the cross force of sensing, for whole
For sealing surfaces, abrasive effect is distributed more uniformly across.Therefore, the durability of sealing ring is improved.
In addition, when seal rightly operates and prevents that impurity from entering in the structure of quartering hammer, the validity period of quartering hammer
Limit can be with longer.Similarly, seal prevents lubricating grease leakage from going out quartering hammer, can be with longer so as to the useful life of cutter.Always
It, the structure that disclosed scheme can allow sealing ring in itself and be sealed has longer useful life, and can enter
One step reduces the needs of maintenance and the time of shutdown.
According to embodiment, it is allowed to which sealing ring rotates in its circumferential direction relative to capsul and cutter.Cutter is using
Period is subjected to cross force, so as to cause the relative movement between cutter and capsul.In the longitudinal axis phase traversed by with cutter
Direction on the relative movement between cutter and capsul set causing the inclined protrusion on sealing ring periphery
The reversible deformation of element and recovery.Continuous deformation and recovery produce moment of torsion and sealing ring are rotated.So as to, in capsul and
It is some conversion elements between sealing ring, some conversion elements are used to change the part for pointing to the cross force of sealing ring
Into the moment of torsion of sealing ring.
According to embodiment, the inclined prominent element on sealing ring periphery is flexible or compressible, wherein due to
The cross force of cutter is pointed to, so sealing ring can move in capsul on horizontal direction.Prominent element is except as torsion
Buffer element is also acted as outside square generating element.Due to the buffering, the transverse shifting of sealing ring does not cause the inner circumferential of sealing ring
Shape deformation, so as to maintain the circularity of inner circumferential.So as to which the purpose of buffering is to maintain sealing surfaces not change.In addition,
Because prominent element can be used as flexibility or compressible portion in sealing ring, so buffering can reduce in cutter and sealing ring
Surface pressing between inner circumferential.
According to embodiment, capsul is provided with the roughing portion for increasing the friction between sealing ring and capsul.Example
Such as, roughing portion can be annular knurl or groove.Alternatively, or in addition, for the same reason, the outer surface of prominent element
There can be roughing portion.Increased friction prevent and possible between contact surface slide and ensure the appropriate of sealing ring
Rotate.
According to embodiment, sealing ring is so-called large sealing ring.Thus, axial length L and radial thickness RT's is relative
Size has predetermined scope.Moreover, the maximum outside diameter D and minimum diameter d of sealing ring have predetermined scope.Radial thickness RT
It can be calculated by equation below：(D-d)/2.In large sealing ring, the first ratio L/RT is 0.5-2, in addition, the second ratio D/
D is 1.3-3.Large sealing ring is rigid and durable.Large sealing ring can well allowable wear and point to its horizontal stroke
Xiang Li.
According to embodiment, the periphery of sealing ring is dentation, including some inclined teeths.Thus, inclined teeth is used as inclined
Prominent element.
According to embodiment, the periphery of sealing ring is dentation, including some inclined teeths.Moreover, the periphery of sealing ring is every
Individual tooth includes tooth flank surface, when being observed on the axial direction in sealing ring, the tooth flank surface relative to periphery normal slope.
According to embodiment, the periphery of sealing ring is dentation, including some inclined teeths.Moreover, the periphery of sealing ring is every
Individual tooth includes tooth flank surface, when being observed in the axial direction direction of sealing ring, tooth flank surface relative to periphery normal slope.
Each tooth has the first tooth flank surface, the second tooth flank surface and tip portion.In addition, when observing in the axial direction, first
Tooth flank surface be bending and the second tooth flank surface be plane.Tip portion can be bending.
According to embodiment, the periphery of sealing ring is dentation, including some inclined teeths.Moreover, the periphery of sealing ring is every
Individual tooth includes tooth flank surface, when being observed on the axial direction in sealing ring, tooth flank surface relative to periphery normal slope.Often
Individual tooth has the first tooth flank surface, the second tooth flank surface and tip portion.In addition, when observing in the axial direction, the first tooth
Side surface and the second tooth flank surface are planes.Tip portion can be bending.
According to embodiment, the protrusion element of sealing device be bar, nail, pin, short column or corresponding protrusion or protruding member or
Drip molding.To as described in it, these elements can also be inclined more than, wherein when being influenceed by cross force, they can be produced
It is raw to be used to make sealing ring rotate required moment of torsion.Thus, at least in some cases, disclosed tooth can be other types of
Inclined prominent element substitutes.
According to embodiment, seal is made up of one or more elastomeric materials.Elastomeric material can by temporary transient compression or again
Shape and its initial shape can be recovered after deflecting force termination.
According to embodiment, sealing ring is made up of the material of elastic caoutchouc or rubber like.
According to embodiment, sealing ring is made up of elastomeric polymer such as polyurethane PU.It can also be used some other elasticity poly-
Compound material.
According to embodiment, sealing ring is made up of the elastomeric material provided with suitable internal damping.Then, when sealing ring is subjected to
During lateral drift power, the inclined prominent element of sealing ring is flexible, and at the beginning of it can be back to it after deflecting force is terminated
Beginning shape.
According to embodiment, sealing ring is provided with some predetermined artis, and it allows the outer shape of sealing ring close in installation
The duration of seal ring changes.Due to artis, sealing ring can be single piece, and nevertheless, sealing ring can be easily
It is mounted relative to the appropriate location of capsul.Artis allows the structure of sealing ring more violent than the basic system of sealing ring
Ground is bent, and needs less power.Articular system is particularly preferred for so-called large sealing ring, its relatively rigidity simultaneously
And it is difficult to install.The number of artis can be two, three, four or more.
According to embodiment, sealing ring is provided with some slits, and some slits are used as artis and allow the outer of sealing ring
Portion's shape is by temporary transient change.So as to, sealing ring include at least two outer slits on the outer periphery and in inner circumferential at least
One interior slit.Slit has opposite outer circumference of the limited radial dimension without extending to sealing ring, and no by sealing
Ring cuts into section.Thus, in spite of slit, but sealing ring or single piece.Moreover, at least two outer slit is at them
Between limit installation sector region.One or more of interior slits are at installation sector region.During installation, outer slit
Installation sector region is allowed to be pushed inwardly to reduce the external dimensions of sealing ring in the duration of installation with interior slit.To
After sealing ring is placed into the correct position in capsul with the shape changed, removes deflection installing force and sealing ring returns
The shape and external dimensions initial to its.
According to embodiment, sealing ring is provided with two slits on the outer periphery and a slit in inner circumferential.Outer slit
Limit the installation sector region with 100-120 ° of sector angle.Interior slit is positioned at the centre in installation sector region.By inside
Promote installation sector region sealing ring can be set into installment state in the duration of installation.Slit is used as artis and permitted
Perhaps sealing ring changes its outer shape, so as to which sealing ring can be similar to lowercase symbol omega (ω).Installed when pointing to
When the deflecting force in region terminates, sealing ring can recover its original shape and external dimensions.
According to embodiment, sealing ring is provided with some slits as artis.Slit can terminate in axial drilling or right
The crackle answered prevents end space.Due to the embodiment, because the resistance to of sealing ring can be improved with the formation of Crack prevention
The property used.
According to embodiment, both sealing ring and capsul have structure that is one or not disconnecting.When sealing ring is set
When having artis such as slit, then it can be attached to its position as single piece.It is not necessary to capsul is formed as into two halves, its
The structure of middle capsul can be with more rigid.Capsul is located at the lower end of quartering hammer, and here through overwhelming and power.One
Capsul preferably bears harsh environment.In addition, compared with by two semi-finished sealing rings, integral structural improvement sealing
The rotation of ring.In an experiment it has been found that when sealing ring is cut to the part of separation, the end face of these parts hinders to rotate and nothing
Method realizes intended effect.
According to embodiment, quartering hammer includes the protective cover around percussion device.Protective cover protects percussion device from impurity
And damage.Moreover, protective cover can weaken the noise of percussion device.The lower end of protective cover is provided with cutter aperture, cutters layout
Into through the cutter aperture.Thus, capsul and sealing ring are located at the cutter aperture of protective cover.
According to embodiment, percussion device includes framework, and seal and capsul are located at the cutter side of framework.Cause
And quartering hammer does not surround the protective cover of percussion device.
According to embodiment, quartering hammer includes single sealing frame frame member, and the single sealing frame frame member is attached to quartering hammer
Cutter side.Sealing frame frame member is provided with capsul and sealing ring.Sealing frame frame member can be mounted to the lower end of protective cover, should
Protective cover surrounds percussion device.Alternatively, if impact hammer does not have any protective cover, sealing frame frame member can be mounted to and hit
Hit the lower end of the framework of device.Single sealing frame frame member can be the part for being easily installed and dismantling.
Incidentally, the seal of the cutter of quartering hammer is also suitable in addition to those disclosed in the patent application
Other types of quartering hammer.For example, shock or percussion mechanism may differ from the percussion device shown.
Embodiment disclosed above can be combined to form the expectation scheme with disclosed essential feature.
Brief description of the drawings
Some embodiments are described in more detail in the accompanying drawings, wherein
Fig. 1 is the schematic side elevation of excavator, and it is provided with quartering hammer,
Fig. 2 is schematic and section the side view of quartering hammer,
Fig. 3 is provided with schematic and section the side view of the end portion of the quartering hammer of rotational sleeve ring, and Fig. 4
It is the perspective view of same object,
Fig. 5 is the perspective schematic view of the sealing ring provided with tooth on their outer circumference,
Fig. 6 a are details H schematic axial views, show some teeth under their original state, and Fig. 6 b are shown
Situation when sealing ring is subjected to transverse shifting,
Fig. 7 is the schematic axial view of sealing ring,
Fig. 8 is schematic and partial cross section the side view of the sealing ring shown in Fig. 7, and
Fig. 9 and 10 is the schematic axial view of the sealing ring substituted, its not according to the present invention for required protection, this
It is because the periphery of sealing ring is smooth and sealing ring does not have rotation feature.
For clarity, some embodiments of disclosed scheme are shown in accompanying drawing in a straightforward manner.It is similar in figure
Reference represents similar element.
Embodiment
Fig. 1 shows the quartering hammer 1 arranged on the free end of the arm 2 in such as excavator of Work machine 3.It is optional
Ground, arm 2 may be disposed on any removable carrier or in the fixed platform of disintegrating apparatus.Quartering hammer 1 includes being used to produce
The percussion device 4 of raw shock pulse.Quartering hammer 1 is pressed against the material 5 that will be broken by means of arm 2, and can be simultaneously sharp
Impact is produced to the cutter 6 for being connected to quartering hammer 1 with percussion device 4, shock pulse is transferred to the material that will be broken by cutter 6
5.Percussion device 4 can be hydraulic pressure, and wherein it can be connected to the hydraulic system of Work machine 2.Alternatively, percussion device 4 can
To be electric and pneumatic.Piston is such as hit by means of impact component to produce shock pulse in percussion device 4, in flow of pressurized
Under the influence of body, the impact component can be moved forward and backward on impact direction and Return-ing direction.Moreover, quartering hammer 1 may include to protect
Cover 7, percussion device 4 is set in the protective cover 7.At the lower end of quartering hammer, i.e., at cutter side, it is used for cutter 6
The sealing device 8 sealed relative to the surrounding structure of quartering hammer.Sealing device 8 is included in the sealing disclosed in the patent application
Ring.
Fig. 2 discloses the structure of quartering hammer 1.Quartering hammer is included in lower end A at cutter side and provided with for will be broken
Hammer 1 is connected to the upper end B of the erecting device of arm.In protective cover 7 is percussion device 4, and percussion device 4 may include that arrangement is used
With the shock piston 9 moved forward and backward relative to the framework 10 of percussion device 4.The shock surface 11 for hitting piston 9 is arranged to hit
Hit the upper end 12 of cutter 6.Cutter 6 can be connected to quartering hammer 1 by means of lateral connection pin.Cutter 6 is allowed to exist during use
Moved on axial direction P.At the lower end of quartering hammer 1 is sealing device 8, and sealing device 8 includes sealing ring 14, and cutter 6 is worn
Cross sealing ring 14.Sealing ring 14 is arranged in capsul 15, and capsul 15 surrounds cutter 6.Capsul 15 is formed at protective cover 7
Lower end.As the above is described, if existed without protective cover, capsul can alternatively be used as percussion device
Framework 10 a part.It is alternatively possible to be, single seal assembly 16 is installed at the lower end of protective cover 7, in fig. 2 by
Broken line shows single seal assembly 16.In quartering hammer 1 during use, except point to axial direction P on operating physical force it
Outside, cutter 6 is also subject to the power on horizontal direction T.These cross forces cause cutter 6 to be moved on horizontal direction T.Sealing ring 14
Need to bear the transverse shifting and keep sealing close.In the present invention program, cross force and movement are used in sealing ring 14
Moment of torsion is produced, it is rotated relative to cutter 6.If cutter 6 repeats to move on one or several horizontal directions, sealing ring
14 are subjected to concentrated wear according to transverse shifting.This is the situation typical in quartering hammer 1.However, due to rotary seal ring 14,
Relative position between the sealing surfaces of cutter 6 and sealing ring 14 can persistently be changed, so that the abrasion of sealing surfaces is more
Uniform distribution.
Fig. 3 and 4 shows capsul 15 and sealing ring 14 in a more detailed manner.Capsul 15 can be formed sleeve
Shape part 17, it can be supported on the lower end A of protection cap 7 by means of bottom plate 18.First base plate part 18a can vertically support close
Seal ring 14.Can be the second base plate part 18b around sleeve-like member 17, the second base plate part 18b can be used as surrounding capsul
15 protection element.Base plate part 18a, 18b can be fixedly secured together.In addition, installation sleeve 20 can be fastened to protection
The lower end of cover 7 simultaneously provides support for sleeve-like member 17 and 18.When sealing ring 14 is assembled into capsul 15, cutter 6 is first
It is removed, then sealing ring 14 can be squeezed into less external dimensions, to allow it to be pushed into capsul 15.Then,
Cutter 6 is pushed through sealing ring 14 and enters position that it specifies and be locked by means of one or more stop pins.From
And in disclosed scheme, only need to dismantle cutter 6 when changing sealing ring 14.It is broken that sealing ring 14 prevents that impurity from entering
Hammer 1 inside configuration into shape.In addition, sealing ring 14 has the second effect, that is, prevent lubricating grease or corresponding lubricant from lubricating place 21
Escape.During operation, cutter 6 has limited movement on horizontal direction T.Disclosed above that in such as patent application
Sample, transverse shifting are converted to the rotation R of sealing ring 14.
Fig. 5 shows sealing ring 14, and with teeth 22 are set on its periphery 23.Tooth 22 is used as above-mentioned inclination and protrudes element,
The transverse shifting of sealing ring 14 can be converted into for producing the moment of torsion rotated by it.Tooth 22 is relative to the normal N of periphery 23
Inclined S, as shown in Fig. 5.Only when being observed on the axial direction in sealing ring 14, tooth 22 is inclined.It is close
The inner circumferential 24 of seal ring 14 is used as the sealing surfaces against cutter.Sealing ring 14 may include to install sector 25, install sector 25 and be used for
Sealing ring 14 is promoted to be installed to as integral piece in capsul.The region of sector 25 is installed by narrow outside at least two on periphery 23
Seam 26 and 27 limits.In addition, at least one interior slit 28 is located in inner circumferential 24.Slit 26-28 there is limited radial dimension and
The opposite outer circumference of sealing ring 14 is not extended to, and sealing ring 14 is not cut into section.During installation, outer slit 26,
27 and interior slit 28 allow sector region 25 is installed and be pushed inwardly to reduce the outside of sealing ring 14 in the duration of installation
Size.Slit 26-28 may terminate at axial drilling or terminate at corresponding end space 29, can so prevent from rupturing.It is narrow inside
Stitch at 28, two adjacent teeth can form combination tooth 22a, so as to be properly located slit 28 and end space 29.Slit 26,
27th, 28 artis 30 is limited, artis 30 allows installation sector the part 25a and 25b of sealing ring 14 to curve inwardly.In Fig. 7,9
With 10 in illustrate in greater detail the installation of sealing ring 14.
Fig. 6 a are Fig. 7 details H, show some teeth 22 under their original state, and Fig. 6 b are shown when sealing
Ring 14 is subjected to the situation during transverse shifting as caused by power F.
The periphery 23 of sealing ring 14 is dentation, including some teeth 22, tooth 22 are inclined.Inclination is shown in Fig. 6 a
Direction S and the normal N of periphery 23.Each tooth 22 includes tooth flank surface 31,32, is observed when on the axial direction in sealing ring 14
When, tooth flank surface 31,32 tilts relative to normal N.Each tooth 22 includes the first tooth flank surface 31, the second tooth flank surface 32 and top
Hold part 33.When observing in the axial direction, the first tooth flank surface 31 can be bending and the second tooth flank surface 32 can be with
It is plane.Alternatively, the first tooth flank surface 31 can also be flat surface, and the second tooth flank surface 32 can also be bending.Top
End part 33 can be bending.
In figure 6b, sealing ring 14 is promoted towards capsul 15.In figure 6b, show when cutter 6 and capsul 15
Between clearance G reduce when, tooth 22G is compressed.Alternatively, or in addition, tooth can be bent and reversibly deform, such as tooth
As shown in 22F.When deformation force F is terminated and clearance G stretches, the tooth 22G and 22F of deformation recover to their initial shapes
Shape.Then, tangential force component F t is also produced in addition to radial force component Fr.Tangential force component F t produces moment of torsion and causes sealing
Ring 14 rotates R.Therefore, the inclined prominent element on periphery 23, such as tooth 22, as conversion element or flexible member, use
In cross force F is converted into moment of torsion, the moment of torsion is set to produce the rotation of sealing ring 14 in the circumferential direction of sealing ring 14.
In addition, Fig. 6 b are disclosed in a very simplified manner：The inner surface (its towards sealing ring 14) of capsul is settable
There is roughing portion 34, the roughing portion 34 is used for the anti-sliding stop in the presence of caused moment of torsion and improves the rotation of sealing ring 14
R。
In the figure 7, sealing ring is observed in the axial direction.The principal character of sealing ring 14 is above disclosing.Sealing
Ring is single piece.In order to promote its installation, sealing ring 14 is provided with slit 26-28, and slit 26-28 is used to form installation sector 25
Region.Figure 7 illustrates：Installing force M can point to sealing ring 14, for inwardly promoting installation sector region 25.Then, pacify
Filling sector part 25a and 25b can bend relative to each other and relative to the remaining part of seal ring structure.It is thus possible in installation
Duration reduces the external dimensions of sealing ring 14.Because sealing ring is made up of elastomeric material, so after installing force M terminations,
Initial shape will be recovered.
Incidentally, additionally it is possible to be to be provided with to tilt the disclosed sealing ring for protruding element in some cases
Can be without disclosed slit.For example, capsul can be formed by two halves.
Fig. 8 is shown：Tooth 22 or corresponding prominent element do not tilt in the axial direction.Fig. 8 also show dimensions length L,
Radial thickness RD, internal diameter d and outer diameter D.Sealing ring 14 can be so-called large sealing part, in the disclosure in this patent, above
Define its relative size.
A kind of alternative solution to scheme disclosed above includes single support member, and the single support member surrounds sealing ring
And cause the moment of torsion for rotating sealing ring.The single elastic supporting member for supporting optical member for being provided with aperture is arranged in capsul.The hole
Mouth is provided with inclined prominent element.So as to for example, the inner surface in the aperture of support member includes inclined teeth.Implement in the replacement
In example, the periphery of sealing ring can be the inclined prominent element in aperture that is smooth and being disposed against support member.When
When cutter and sealing ring move in a lateral direction, the inclined prominent element of support member can cause the rotation of sealing ring.So as to,
Sealing ring is not provided with the inclined prominent element for producing moment of torsion, but inclined prominent element is in single support member
Inner circumferential on.Support member can be made up of elastomeric material.Support member can immovably be fastened to capsul.Produce what is rotated
Principle is disclosed above identical with the patent application.Such sealing device can be defined below：Sealing device includes：Knife
Tool, it is elongate member；Support member, it is located at around cutter and including aperture；In the outer surface of cutter and the aperture of support member
Annular gap between inner surface；Sealing ring, it is arranged in annular gap, to seal cutter；The inner surface in the aperture of support member
Including some prominent elements, when being observed on the axial direction in cutter, prominent element is inclined；Support member is by elastomeric material
It is made；And wherein the transverse shifting of cutter and sealing ring is set to produce what is rotated for causing sealing ring relative to cutter
Moment of torsion.According to first embodiment, the inner surface in the aperture of support member is dentation and tooth is inclined.In addition, in the program
In, sealing ring can be made up of elastomeric material, or alternatively, it can be made up of suitable other materials, such as bronze.So as to,
Sealing ring can also be made up of non-elastic material.
In addition, also disclose that in figures 9 and 10 not according to presently claimed alternative solution of the invention.For close
The sealing ring 14 for sealing the cutter of quartering hammer can be without rotation feature disclosed above.However, it may include in the disclosure in this patent
Disclosed some further features.Sealing ring 14 may be provided with the slit disclosed above for promoting installation sealing ring.It is however, close
The periphery of seal ring can protrude element, such as tooth without disclosed inclination, due to sealing device can not with sealing ring phase
Relevant disclosed feature is rotated for cutter and capsul.Therefore, the periphery of sealing ring can be smooth.This type
Seal can be defined below：The seal of the cutter of quartering hammer is hit, wherein seal is long with inner circumferential, periphery and axial direction
The annular element of degree；Inner circumferential is used as sealing surfaces and is intended to be disposed against the cutter that will be sealed；Periphery is intended to towards capsul；
And sealing ring is made up of elastomeric material；And wherein sealing ring is including at least two outer slits on the outer periphery and in inner circumferential
At least one interior slit；Slit has limited radial dimension without extending to the opposite outer circumference of sealing ring, and does not have
Sealing ring is cut into section；At least two outer slit limits installation sector region between them；It is described at least one interior
Slit is at installation sector region；And wherein during installation, outer slit and interior slit allow install sector region by
Interior promotion is with the external dimensions of the duration of installation reduction sealing ring.Original outer diameter D can reversibly be deformed into less
Diameter DM is installed.The first embodiment of seal can include following other feature：Sealing ring is provided with periphery 23
Two outer slits 26,27 and an interior slit 28 in inner circumferential 24；The installation sector region 25 limited by outer slit has
Sector angle SA100-120 degree；At least one interior slit 28 is positioned at the centre in installation sector region 25；And work as to pacify
When filling sealing ring 14 and sealing ring 14 being set into installment state by inwardly promoting installation sector region, sealing ring 14 is similar
Lowercase symbol omega ω.The second embodiment of sealing ring 14 may include following other feature：Slit 26-28 can be whole
Terminating in axial drilling or corresponding crackle prevents end space 29.The 3rd embodiment of sealing ring may include following other spy
Sign：Sealing ring 14 and capsul 15 all have structure that is one or not disconnecting.According to fourth embodiment, sealing ring is such as at this
Large sealing ring defined above in patent application.In addition, sealing ring can be made up of above-mentioned material, and its can be used for it is above-mentioned
Device and quartering hammer.It is, thus, possible to the scheme and Fig. 1 disclosed in Fig. 9 and 10 to other schemes disclosed in 8 only
Some difference are：On the outer periphery without inclined prominent element.
The feature relevant with promoting the sealing ring for installing one shown in Fig. 5 to 10 can be used for all embodiments
In, but can not be to describe all features in a manner of detailed in the explanation in every width figure.
Accompanying drawing and related explanation are only used for showing the design of the present invention.In its details, the present invention can be in claim
Change in the range of book.
Claims (15)
1. a kind of seal of the cutter of quartering hammer, wherein
The seal is the annular element for having inner circumferential (24), periphery (23) and axial length (L)；
The inner circumferential (24) is used as sealing surfaces and is intended to be arranged to against the cutter (6) that will be sealed；
The periphery (23) is intended to towards capsul (15)；And
The seal (14) is made up of elastomeric material；
It is characterized in that
The periphery (23) of the seal (14) is provided with some prominent elements；And
When being observed on the axial direction in the seal (14), the prominent element relative to the periphery (23) normal
(N) it is inclined.
2. seal according to claim 1, it is characterised in that
The periphery (23) of the seal (14) is dentation, including some inclined teeths (22).
3. seal according to claim 2, it is characterised in that
Each tooth (22) of the periphery (23) of the seal (14) includes tooth flank surface (31,32), when in the sealing
When being observed on the axial direction of part (14), the tooth flank surface (31,32) is to tilt relative to the normal (N) of the periphery (23)
's.
4. seal according to claim 3, it is characterised in that
Each tooth (22) has the first tooth flank surface (31), the second tooth flank surface (32) and tip portion (33)；
When observing in the axial direction, first tooth flank surface (31) is to bend, and second tooth flank surface
(32) it is plane；And
The tip portion (33) is bending.
5. seal according to any one of claim 1 to 4, it is characterised in that
The seal (14) is included at least two outer slits (26,27) on the periphery (23) and in the inner circumferential (24)
On at least one interior slit (28)；
The slit (26,27,28) has opposite outer circumference of the limited radial dimension without extending to the seal (14)
And the seal (14) section is not cut into；
At least two outer slit (26,27) limits installation sector region (25) between them；
At least one interior slit (28) is positioned at described installation sector region (25) place；And
Wherein during installation, the outer slit (26,27) and the interior slit (28) allow installation sector region (25)
It is pushed inwardly, to reduce the external dimensions of the seal (14) in the installation phase.
6. seal according to claim 5, it is characterised in that
The seal (14) is provided with two outer slits (26,27) on the periphery (23) and in the inner circumferential (24)
An interior slit (28)；
The installation sector region (25) limited by the outer slit (26,27) has 100 ° -120 ° of sector angle (SA)；
The interior slit (28) is positioned at the centre of installation sector region (25)；And
When for the installation of the seal (14), by inwardly promoting installation sector region (25) by the seal
(14) when setting is to installment state, the similar lowercase symbol omega (ω) of the seal (14).
7. a kind of sealing device, including：
Cutter (6), the cutter (6) is elongate member；
Capsul (15), the capsul (15) are located at around the cutter (6)；
Annular gap (G) between the inner surface of the outer surface of the cutter (6) and the capsul (15)；With
Seal (14), the seal (14) are arranged to seal the gap (G)；
It is characterized in that
The seal (14) is the seal according to any one of claim 1 to 6；And
The seal (14) is allowed to rotate (R) relative to the capsul (15) and the cutter (6) in its circumferential direction.
8. sealing device according to claim 7, it is characterised in that
With on the direction of the longitudinal axis phase traversed by (T) of the cutter (6), the cutter (6) and the capsul (15) it
Between relative movement be arranged to cause inclined prominent element on the periphery (23) of the seal (14)
Reversible deformation and recovery simultaneously produce the rotation (R) of the seal (14).
9. the sealing device according to claim 7 or 8, it is characterised in that
At least described capsul (15) is provided with roughing portion (34), and the roughing portion (34) is used to increase the seal
(14) friction between the capsul (15).
10. a kind of quartering hammer, including：
Percussion device (4)；
Cutter (6), the cutter (6) can be connected to the percussion device (4)；
Capsul (15), the capsul (15) are located at around the cutter (6)；
Seal (14), the seal (14) are located in the capsul (15)；
And wherein described seal (14) has aperture, and the cutter (6) passes through the aperture, wherein the seal (14)
It is configured to seal the gap (G) between the cutter (6) and the capsul (15)；
It is characterized in that
The seal (14) is the seal according to any one of claim 1 to 6；And
The seal (14) is allowed to be rotated in its circumferential direction relative to the capsul (15) and the cutter (14)
(R)。
11. quartering hammer according to claim 10, it is characterised in that
The quartering hammer (1) includes the protective cover (7) around the percussion device (4)；
The protective cover (7) is provided with cutter aperture, and the cutter (6) is arranged through the cutter aperture；
The capsul (15) and the seal (14) are located at the cutter aperture of the protective cover (7).
12. quartering hammer according to claim 10, it is characterised in that
The percussion device (4) includes framework (10)；And
The capsul (15) and the seal (14) are located at cutter side (A) place of the framework (10).
13. quartering hammer according to claim 10, it is characterised in that
The quartering hammer (1) includes single sealing frame frame member (16), and the sealing frame frame member (16) is mounted to described broken
Hammer the cutter side (A) of (1) into shape；And
The sealing frame frame member (16) is provided with the capsul (15) and the seal (14).
14. a kind of method for the cutter for sealing quartering hammer, methods described include：
For the quartering hammer (1), at least one sealing ring (14) is set；
The arrangement sealing ring (14) in the capsul (15) of the quartering hammer (1)；And
So that the cutter (6) passes through the aperture of the sealing ring (14)；
It is characterized in that
Sealing ring (14), the sealing ring (14) for elasticity and be provided with and incline on the periphery of the sealing ring (14) (23)
Oblique protrusion element；
In the quartering hammer (1) during use, it is allowed to which the sealing ring (14) is subjected to the longitudinal axis phase with the cutter (6)
The power of traversed by (T)；
The inclined prominent element of the sealing ring (14) is caused reversibly to deform due to the deflecting force (F) of transverse direction；
After the deflecting force (F) terminates, the shape of the inclined prominent element returns to their initial states, and by
Moment of torsion is produced in the sealing ring (14) in the recovery；And
By means of the caused moment of torsion, the sealing ring (14) is set to turn relative to the cutter (6) and the capsul (15)
It is dynamic.
15. according to the method for claim 14, it is characterised in that
It is used to make the sealing ring to produce by means of the inclined teeth (22) on the periphery (23) of the sealing ring (14)
(14) moment of torsion of (R) is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567633.5A CN106257114B (en) | 2015-06-19 | 2015-06-19 | The seal of cutter and the method for sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567633.5A CN106257114B (en) | 2015-06-19 | 2015-06-19 | The seal of cutter and the method for sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106257114A CN106257114A (en) | 2016-12-28 |
| CN106257114B true CN106257114B (en) | 2018-04-06 |
Family
ID=57714126
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510567633.5A Expired - Fee Related CN106257114B (en) | 2015-06-19 | 2015-06-19 | The seal of cutter and the method for sealing |
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| Country | Link |
|---|---|
| CN (1) | CN106257114B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102985128A (en) * | 2010-06-30 | 2013-03-20 | 泰尔茂株式会社 | Catheter |
| CN104549626A (en) * | 2013-10-11 | 2015-04-29 | 山特维克知识产权股份有限公司 | Sealing ring for gyratory crusher |
| CN104632069A (en) * | 2013-11-13 | 2015-05-20 | 山特维克矿山工程机械有限公司 | Impact device and method of dismounting the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8033491B2 (en) * | 2008-05-22 | 2011-10-11 | Flsmidth A/S | Top service gyratory crusher |
| FI121220B (en) * | 2008-11-20 | 2010-08-31 | Sandvik Mining & Constr Oy | Rock drill and axial bearing module |
-
2015
- 2015-06-19 CN CN201510567633.5A patent/CN106257114B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102985128A (en) * | 2010-06-30 | 2013-03-20 | 泰尔茂株式会社 | Catheter |
| CN104549626A (en) * | 2013-10-11 | 2015-04-29 | 山特维克知识产权股份有限公司 | Sealing ring for gyratory crusher |
| CN104632069A (en) * | 2013-11-13 | 2015-05-20 | 山特维克矿山工程机械有限公司 | Impact device and method of dismounting the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106257114A (en) | 2016-12-28 |
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