CN105971969A - Hydraulic oil cylinder assembly for shield machine, and shield machine with same - Google Patents
Hydraulic oil cylinder assembly for shield machine, and shield machine with same Download PDFInfo
- Publication number
- CN105971969A CN105971969A CN201610517171.0A CN201610517171A CN105971969A CN 105971969 A CN105971969 A CN 105971969A CN 201610517171 A CN201610517171 A CN 201610517171A CN 105971969 A CN105971969 A CN 105971969A
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- Prior art keywords
- shield machine
- protection sleeve
- cylinder body
- hydraulic cylinder
- oil cylinder
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 54
- 239000004519 grease Substances 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 230000002829 reductive effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 239000004576 sand Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 239000002893 slag Substances 0.000 description 7
- 239000004575 stone Substances 0.000 description 7
- 239000011499 joint compound Substances 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 210000001138 tear Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- -1 wherein Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Actuator (AREA)
Abstract
The invention discloses a hydraulic oil cylinder assembly for a shield machine, and a shield machine with the same. The hydraulic oil cylinder assembly for the shield machine comprises an oil cylinder body and a protection sleeve, wherein the oil cylinder body comprises a cylinder block and a cylinder rod moving out forwards and moving in backwards in a reciprocating manner along the cylinder block; and the protection sleeve is arranged outside the oil cylinder body in a sleeving manner and fixedly connected with the cylinder block. According to the hydraulic oil cylinder assembly for the shield machine, which is disclosed by the invention, the protection sleeve is arranged outside the oil cylinder body in the sleeving manner for protecting the oil cylinder body, thus the shield machine provided with the hydraulic oil cylinder assembly meets use requirements in special landforms such as water-rich sand cobble stratums. In addition, because the oil cylinder body is protected by the protection sleeve and not liable to damage, thus the risk of entering a cabin to maintain under a pressure, of personnel, can be lowered, the geological adaptability of the shield machine is improved, and the overall driving efficiency of the shield machine is increased.
Description
Technical field
The present invention relates to shield machine technical field, especially relate to a kind of hydraulic cylinder component for shield machine and there is it
Shield machine.
Background technology
Correlation technique is pointed out, slurry balance shield machine be build crossed the river river, pass through straits, water rich strata tunnel main
Digging device.Slurry balance shield machine is in tunnel excavating process, and the dregs after knife cutting needs lithotrite to carry out two
The secondary broken muddy water circulation system that just can pass through transfers out outside tunnel.Lithotrite is arranged in shield machine muddy water cabin, muddy water cabin
The most generally have 3～10bar mud hydraulic pressures, lithotrite employing high-pressure and hydraulic oil cylinder pushing to move jaw assembly to carry out cleaving, fracture or squeezing
Crush broken.But, in rich water sand-pebble layer, muddy water cabin easily accumulated slag, cause hydraulic jack cylinder rod direct with sandy gravel
Collision or friction, cause hydraulic jack cylinder rod to be damaged, cause hydraulic jack leakage, lost efficacy, cause lithotrite to work.
Being additionally, since shield machine complete machine underground height hydraulic pressure environmental work, the maintenance cost after once hydraulic jack breaks down is high,
Security risk is very big.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.Use to this end, the invention reside in proposition one
In the hydraulic cylinder component of shield machine, described hydraulic cylinder component is hardly damaged.
The present invention also proposes a kind of shield machine with above-mentioned hydraulic cylinder component.
The hydraulic cylinder component for shield machine according to a first aspect of the present invention, including: oil cylinder body, described oil cylinder body
Including cylinder body with remove the most forward along described cylinder body and the cylinder rod retracted backward；With protection sleeve, described protection sleeve is sheathed
At described oil cylinder, this is the most external and be fixedly linked with described cylinder body.
According to the hydraulic cylinder component for shield machine of the present invention, by oil cylinder body outer sheathed protection sleeve protection oil cylinder
Body, so that the shield machine being provided with this hydraulic cylinder component meets at special geomorphology, such as making in rich water sand-pebble layer
With requiring.Further, since the protection of oil cylinder body protected sleeve is hardly damaged, such that it is able to minimizing personnel carry is pressed into cabin maintenance
Risk, and improve the geological adaptability of shield machine and overall drivage efficiency.
In one embodiment of the invention, the front end of described protection sleeve be provided with for seal described protection sleeve described before
The black box of fit clearance between end and described cylinder rod.
In one embodiment of the invention, described black box includes: two the first sealing rings that time interval is opened, each
Described first sealing ring is all set in described cylinder rod and a part is embedded in described protection sleeve；With the first joint, described
First joint inserting limits on described protection sleeve and with the internal perisporium of described protection sleeve and described cylinder rod periphery wall
The first space connection between two described first sealing rings.
In one embodiment of the invention, described black box also includes: plug, and described plug pluggable ground inserting is in institute
State on protection sleeve and connect with described first space.
In one embodiment of the invention, described first joint is connected with high pressure grease source to introduce height to described first space
Force feed fat.
In one embodiment of the invention, at least one lip opened wide forward for lip in two described first sealing rings
Sealing ring.
In one embodiment of the invention, the described hydraulic cylinder component for shield machine farther includes: the second joint,
Described second joint inserting on described protection sleeve and and described oil cylinder body and protection sleeve between limit with described
The second space connection that cylinder rod moves and occurs volume to change.
In one embodiment of the invention, described second joint is connected with hydraulic oil source with adaptively to described second space
Introduce hydraulic oil.
In one embodiment of the invention, it is provided with sealing member between described protection sleeve and the joint face of described cylinder body.
In one embodiment of the invention, the periphery wall of described protection sleeve has build-up wear-resistant layer.
In one embodiment of the invention, the cross section of the front end of described protection sleeve is gradually reduced from back to front.
In one embodiment of the invention, described protection sleeve is removably secured with described cylinder body and is connected.
In one embodiment of the invention, described protection sleeve is removably secured phase with described cylinder body by threaded fastener
Even.
In one embodiment of the invention, described cylinder body includes: mounting end and the guide post being located on described mounting end
Portion, described cylinder rod is set in described guide post portion and moves back and forth, wherein, described protection sleeve be set in described cylinder rod outer and
Rear end is fixedly linked with described mounting end.
Shield machine according to a second aspect of the present invention, including: anterior shield, dynamic jaw assembly and according to a first aspect of the present invention
For the hydraulic cylinder component of shield machine, described cylinder body is hinged and connected with described anterior shield, and described cylinder rod is cut with scissors with described dynamic jaw assembly
Connect.
According to the shield machine of the present invention, by arranging the hydraulic cylinder component for shield machine of above-mentioned first aspect, thus carry
The high overall performance of shield machine.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the hydraulic cylinder component for shield machine according to embodiments of the present invention；
Fig. 2 is the partial schematic diagram of shield machine according to embodiments of the present invention.
Reference:
Shield machine 1000；
Hydraulic cylinder component 100；Anterior shield 1001；Dynamic jaw assembly 1002；
Oil cylinder body 1；Cylinder body 11；Mounting end 11a；Guide post portion 11b；Cylinder rod 12；
Protection sleeve 2；Build-up wear-resistant layer 21；
First sealing ring 3；First joint 4；Plug 5；Second sealing ring 6；Second joint 7；
First space A；Second space B.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of embodiment is shown in the drawings, the most identical or class
As label represent same or similar element or there is the element of same or like function.Describe below with reference to accompanying drawing
Embodiment is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Following disclosure provides many different embodiments or example for realizing the different structure of the present invention.In order to simplify this
Disclosure of the invention, hereinafter parts and setting to specific examples are described.Certainly, they are the most merely illustrative, and mesh
Do not lie in the restriction present invention.Additionally, the present invention can in different examples repeat reference numerals and/or letter.This repetition
It is for purposes of simplicity and clarity, the relation between itself not indicating discussed various embodiment and/or arranging.Additionally,
The various specific technique that the invention provides and the example of material, but those of ordinary skill in the art it can be appreciated that other
The property of can be applicable to of technique and/or the use of other materials.
Below, the hydraulic jack for shield machine 1000 of embodiment according to a first aspect of the present invention is described with reference to Fig. 1 and Fig. 2
Assembly 100.
As it is shown in figure 1, hydraulic cylinder component 100 includes: oil cylinder body 1 and protection sleeve 2, oil cylinder body 1 includes cylinder body
11 and along the reciprocal removal the most forward of cylinder body 11 and the cylinder rod 12 retracted backward, say, that cylinder rod 12 opposing cylinder 11 is permissible
Front and back moving back and forth, protection sleeve 2 is set in outside oil cylinder body 1 and is fixedly linked with cylinder body 11, say, that cylinder body 11
With protection sleeve 2 geo-stationary, cylinder rod 12 can be movable relatively with protection sleeve 2, i.e. cylinder rod 12 can be from protection sleeve 2
Remove before introversive and retract backward in protection sleeve 2.
Thus, the hydraulic cylinder component 100 for shield machine 1000 according to embodiments of the present invention, by oil cylinder body 1
Outer sheathed protection sleeve 2, so that oil cylinder body 1 substantially can be kept apart with mud, water, slag, stone etc., with to oil cylinder
Body 1 plays effective effect so that hydraulic jack can apply in the adverse circumstances of high silt, high dust so that sets
The shield machine 1000 having this hydraulic cylinder component 100 meets the use requirement in special geomorphology (such as rich water sand-pebble layer).
Further, since the protection of oil cylinder body 1 protected sleeve 2 is hardly damaged, such that it is able to minimizing personnel carry is pressed into cabin maintenance
The number of times of hydraulic cylinder component 100, reduces use cost and the construction risk of shield machine 1000, improves shield machine 1000
Geological adaptability and overall drivage efficiency.In short, the hydraulic jack for shield machine 1000 according to embodiments of the present invention
Assembly 100, can effectively solve hydraulic jack flimsy technical barrier in rich water sand-pebble layer of shield machine 1000.
In one embodiment of the invention, the front end of protection sleeve 2 is provided with for the front end of seal protection cover cylinder 2 and cylinder rod
The black box of fit clearance between 12, thus, when cylinder rod 12 removes forward from the front end of protection sleeve 2, cylinder rod 12
Periphery wall and the front end internal perisporium of protection sleeve 2 between protect due to the sealing by black box, thus mud, water, slag,
It is internal that stone etc. will not clamp-on protection sleeve 2 from the front end of protection sleeve 2, thus further improves mud, water, slag, stone etc.
The problem of abrasion oil cylinder body 1, improves the protected effect of protection sleeve 2.
With reference to Fig. 1, in a concrete example of the present invention, black box includes: the first joint 4 and two of time interval
First sealing ring 3, each first sealing ring 3 is all set on the periphery wall of cylinder rod 12 and a part is embedded at protection sleeve 2
In, the first joint 4 inserting limits on the protection sleeve 2 and with the protection internal perisporium of sleeve 2 and cylinder rod 12 periphery wall
The first space A connection between two the first sealing rings 3.
It is to say, be formed with two ring annular grooves that time interval is opened, every ring shape on the internal perisporium of the front end of protection sleeve 2
It is respectively equipped with first sealing ring 3 in groove, and each first sealing ring 3 is all set on the periphery wall of cylinder rod 12.Thus,
When moving back and forth before and after cylinder rod 12 protects sleeve 2 relatively, the first sealing ring 3 can all the time with protection sleeve 2 geo-stationary,
Such first sealing ring 3 can be sealed in all the time protection sleeve 2 front end and cylinder rod 12 between, with constantly avoid mud, water,
Slag, stone etc. are clamp-oned in protection sleeve 2 from front to back, improve protected effect.
Further, by arranging two the first sealing rings 3, two the first sealing rings 3, the protection internal perisporium of sleeve 2, cylinders
Can limit the first space A of annulus cylindricality between the periphery wall of bar 12, the front end of protection sleeve 2 has through first
Through hole, the inner of the first through hole connects with the first space A within protection sleeve 2, the outer end of the first through hole and protection sleeve
2 ft connection, one end inserting of the first joint 4 in the first through hole with to first space A inject lubricant (the most hereafter
Described high pressure grease).Thus, the pressure in the first space A is relatively big, so that black box can bear higher
Pressure, to be effectively improved sealing protected effect.It addition, lubricant the first sealing ring 3 can also be played cooling, cooling,
The effect of lubrication, thus improve the sealing reliability of the first sealing ring 3, thus improve sealing and protected effect.
Preferably, the first joint 4 is connected with high pressure grease source to introduce high pressure grease, wherein, hydraulic oil to the first space A
Fat source refers to provide the source of high pressure grease, such as, be loaded with the casing etc. of high pressure grease.Thus, when empty to first
Between when introducing high pressure grease in A, the pressure in the first space A can be improved further so that the resistance to pressure of black box is more
By force, significantly more efficient sealing protective effect is played.It addition, high pressure grease can be preferably the first sealing ring 3 cooling and lubricating,
Improve the functional reliability of the first sealing ring 3 further.
Further, black box also includes: plug 5, and plug 5 pluggable ground inserting is empty on protection sleeve 2 and with first
Between A connection, for the gas discharged in the first space A.Specifically, as it is shown in figure 1, the front end of protection sleeve 2 has
The second through through hole, the inner of the second through hole is had to connect, outside the second through hole with the first space A within protection sleeve 2
End with protection sleeve 2 ft connection, plug 5 can be inserted into and extract ground inserting in the first through hole, with at the first joint 4
Or before the gas in the first space A is discharged when the first space A injects lubricant, so that it is guaranteed that can in the first space A
With full lubricant (such as high pressure grease), improve further lubrication, tamp, protected effect.
Preferably, at least one in two the first sealing rings 3 is that lip removes, towards cylinder rod 12, the lip packing that direction is opened wide
Circle.It is to say, one of them in two the first sealing rings 3 can be lip-type packing, two the first sealing rings 3 are also
Can be lip-type packing, wherein, the lip of lip-type packing opens wide towards front.Thus, have due to lip-type packing
There is unidirectional self-styled, thus when impurity such as having mud, water, slag, stone squeezes lip-type packing from front to back, be positioned at front side
Lip-type packing can preferably carry out blocking more reliably to seal the first space A, and when being full of profit in the first space A
During lubrication prescription (such as high pressure grease), the lip-type packing being positioned at rear side can avoid the high pressure grease of the first space A close to this
The problem that the rear side (as to second space B) of seal runs off.
To sum up, by using the first sealing ring 3 and the combination sealing of high pressure grease, the resistance to of black box can be effectively improved
Voltage resistance and sealing reliability, effectively improves impurity and enters into from front to back and wear and tear between protection sleeve 2 and cylinder rod 12
The problem of cylinder rod 12, thus improve the whole service life of hydraulic cylinder component 100 so that hydraulic cylinder component 100 can
For high hydraulic pressure, the adverse circumstances of high impurity impact.
In one embodiment of the invention, hydraulic cylinder component 100 can also include further: the second joint 7, and second connects
7 insertings on protection sleeve 2 and and oil cylinder body 1 and protection sleeve 2 between limit move with cylinder rod 12 and send out
The second space B connection of raw volume change, be passed through in second space B adaptively lubricant (such as hydraulic oil) or from
Lubricant (such as hydraulic oil) is drawn by second space B.It is to say, when cylinder rod 12 removal outside protection sleeve 2, the
The volume of two space B becomes big, and now the second joint 7 can be passed through hydraulic oil to second space B, when cylinder rod 12 is to protection
During the internal immigration of sleeve 2, the volume of second space B diminishes, and now the second joint 7 can be by the hydraulic pressure in second space B
Oil is drawn.
Thus so that remain the state of full hydraulic oil in second space B, thus efficiently avoid cylinder rod 12 to guarantor
The evacuation phenomenon caused during the outside removal of pretective sleeve pipe 2, to guarantee that oil cylinder body 1 can normally work, second space simultaneously
Hydraulic oil in B sealing member hereinafter described can also be played effectively cool, lubricate, protective effect, thus change
It is apt to the use condition of sealing member, improves functional reliability and the service life of sealing member.
It is provided with sealing member between protection sleeve 2 and the joint face of cylinder body 11, such as the second sealing ring 6 shown in Fig. 1, as
O RunddichtringO.Thus, it is possible to avoid mud, water, slag, stone etc. to clamp-on protection from the junction of protection sleeve 2 with cylinder body 11
The oil cylinder body 1 that weares and teares in sleeve 2, thus further increase protected effect.
Such as in a concrete example of the present invention, oil cylinder body 1 can be built-in hydraulic pressure tubular type single cylinder version.As
Shown in Fig. 1, oil cylinder body 1 is configured to: cylinder body 11 includes mounting end 11a and the guide post being located on mounting end 11a
Portion 11b, guide post portion 11b are extended forward by the front end face of mounting end 11a, and cylinder rod 12 is set in outside guide post portion 11b
Front and back to move back and forth, protection sleeve 2 is set in outside cylinder rod 12 and rear end is fixedly linked with mounting end 11a, and protection set
It is folded with the second sealing ring 6 between rear end and the front end face of mounting end 11a of cylinder 2.Thus, the front end of mounting end 11a
Face, protection the internal perisporium of sleeve 2, can limit between the periphery wall of guide post portion 11b and the rear end of cylinder rod 12 above-mentioned
Second space B, moves back and forth with before and after cylinder rod 12, the volume adaptations of second space B.
Now, the rear end of protection sleeve 2 has through third through-hole, within the inner of third through-hole and protection sleeve 2
Second space B connects, and the outer end of third through-hole and protection sleeve 2 ft connection, one end inserting of the second joint 7 is the 3rd
To inject hydraulic oil to second space B adaptively in through hole, so that the second space B moment is full of hydraulic oil.Here, need
It is noted that the first joint 4, plug 5 and the quantity of the second joint 7 and position is set is not restricted, the most all
Can be one or more.
Certainly, the invention is not restricted to this, in other embodiments of the invention, oil cylinder body 1 can also be the knots such as double oil cylinders
Configuration formula, its outermost layer can arrange protection sleeve 2.After those skilled in the art have read above technical scheme, aobvious
So it is appreciated that other deformation programs, repeats no more here.It addition, the architectural characteristic of the basic kind of hydraulic jack should be this
Known to skilled person, the most no longer describe in detail.
In one embodiment of the invention, the periphery wall of protection sleeve 2 has build-up wear-resistant layer 21.Thus, it is possible to have
Effect ground improves the protection wearability of sleeve 2, resistance to impact and service life, thus improves protection sleeve 2 to oil cylinder body
The protected effect of 1 so that hydraulic cylinder component 100 is be applicable to the adverse circumstances of sand-pebble layer.Certainly, the present invention is not
It is limited to this, for improving the protection wearability of sleeve 2, resistance to impact etc., it is also possible to carry out on the periphery wall of protection sleeve 2
Coating or embedded alloy etc..Here, it should be noted that build-up wear-resistant layer 21, coating, the technique of embedded alloy are
As it is known to those skilled in the art that I will not elaborate.
Further, with reference to Fig. 1, the cross section of the front end of protection sleeve 2 is gradually reduced from back to front.Thus, by protecting
The front end of pretective sleeve pipe 2 is processed as pyramidal structure, such that it is able to be effectively improved wearability and the resistance to impact of protection sleeve 2,
And then improve the protection sleeve 2 protected effect to oil cylinder body 1, also improve the service life of protection sleeve 2 simultaneously.
In an embodiment of the present invention, protection sleeve 2 is removably secured with cylinder body 11 and is connected.It is to say, protection sleeve
2 can disassemble from cylinder body 11.Thus so that the convenient dismounting of hydraulic cylinder component 100 and installation, maintainable good.
Preferably, protection sleeve 2 and cylinder body 11 is removably secured by threaded fastener and is connected, such as in the example shown in Fig. 1
In, mounting end 11a locate (such as C Fig. 1 shown at) relative with the rear end of protection sleeve 2 can be tight by screw thread
Firmware (such as screw) connects, thus improves the convenience of installation and removal further.Certainly, the invention is not restricted to this,
Protection sleeve 2 can also be without being removably secured with cylinder rod 12 and is connected, so that protection sleeve 2 has relatively with cylinder body 11
High connection reliability, such as protection sleeve 2 can also be weldingly fixed on cylinder body 11 by techniques such as welding.
Below, with reference to Fig. 2, the shield machine 1000 of embodiment according to a second aspect of the present invention is briefly described.
Shield machine 1000 includes: anterior shield 1001, dynamic jaw assembly 1002 and according to the present invention above-mentioned first aspect embodiment
For the hydraulic cylinder component 100 of shield machine 1000, wherein, dynamic jaw assembly 1002 can be located at the front side of anterior shield 1001,
Cylinder body 11 is hinged and connected with anterior shield 1001, and cylinder rod 12 is hinged with dynamic jaw assembly 1002.With reference to Fig. 2, shield machine 1000 can
Thinking slurry balance shield machine, in the mud channel rubble system of shield machine 1000, shield machine 1000 also includes lithotrite,
Lithotrite includes the dynamic jaw assembly 1002 for rubble, when hydraulic cylinder component 100 is connected to the anterior shield 1001 of shield machine 1000
And time between dynamic jaw assembly 1002, dynamic jaw assembly 1002 can be driven to perform cutting action by the impetus of hydraulic jack.
Here, it should be noted that the composition the most above-mentioned mud channel rubble system of shield machine 1000 according to embodiments of the present invention,
Lithotrites etc. and operation are the most all known, are not detailed herein.
Shield machine 1000 according to embodiments of the present invention, by arrange above-mentioned first aspect embodiment for shield machine 1000
Hydraulic cylinder component 100, thus improve the overall performance of shield machine 1000.
Below, see figures.1.and.2, briefly describe the shield machine 1000 according to one specific embodiment of the present invention.
As in figure 2 it is shown, shield machine 1000 includes: anterior shield 1001, two groups moves jaw assembly 1002 and two groups of hydraulic cylinder components
100, wherein, hydraulic cylinder component 100 can be built-in hydraulic oil tubular type hydraulic jack, is arranged on anterior shield 1001 and rubble
Between the dynamic jaw assembly 1002 of machine, provide rubble power for lithotrite, often after the cylinder body 11 of group hydraulic cylinder component 100
End is by hinge on the anterior shield 1001 of shield machine 1000, and often the front end of the cylinder rod 12 of group hydraulic cylinder component 100 is all
One group that is hinged on the lithotrite on front side of shield machine 1000 is moved on jaw assembly 1002, so, by two groups of hydraulic cylinder components
The cylinder rod 12 of 100 move forward (i.e. oil cylinder body 1 extends) promote two groups to move jaw assembly 1002 relative motion, with realize to stone
The splitting of block or walk etc., fracture or attrition crushing.
As it is shown in figure 1, often group hydraulic cylinder component 100 all include: oil cylinder body 1, protection sleeve the 2, first sealing ring 3,
First joint 4, plug the 5, second sealing ring 6 and the second joint 7.Protection sleeve 2 is used for sealing and protect oil cylinder body
1, the front end employing conical design of protection sleeve 2, and all build-up wear-resistant layers 21 on the overall periphery wall of protection sleeve 2, protect
Pretective sleeve pipe 2 is fixedly linked by the cylinder body 11 of screw with oil cylinder body 1, and two the first sealing rings 3 and the second sealing ring 6 are equal
It is embedded in the corresponding seal groove on protection sleeve 2 internal perisporium, to prevent silt particle, muddy water, sandy gravel etc. from entering protection sleeve
2 inside contact with oil cylinder body 1.
With reference to Fig. 1, the first joint 4 is used for accessing high pressure grease and being arranged on protection sleeve 2, and it act as in twice first
It is continuously injected into high pressure grease between sealing ring 3, improves the bearing capacity of the first sealing ring 3, the first sealing ring 3 is entered simultaneously
Row lubrication and cooling, improve the service life of the first sealing ring 3.Second joint 7 is used for accessing hydraulic oil and being arranged on protection
On sleeve 2, it adapts to the volume of second space B while acting as being lubricated oil cylinder body the 1, second sealing ring 6
Change, prevents evacuation, prevents the second sealing ring 6 heating from damaging simultaneously.
In sum, the hydraulic jack group for shield machine 1000 according to the above embodiment of the present invention, have wearability good,
The advantages such as bearing capacity is strong, length in service life, maintainability are good.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ",
" width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ",
" level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " footpath
To ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or position relationship, merely to just
In describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation, with
Specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or imply relatively important
Property or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", " second " feature permissible
Express or implicitly include one or more this feature.In describing the invention, " multiple " are meant that two
Or two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals or two elements
Interaction relationship.For the ordinary skill in the art, can understand that above-mentioned term is at this as the case may be
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or
It is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " under
Face " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second
Feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " tool
Body example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material
Material or feature are contained at least one embodiment or the example of the present invention.In this manual, the signal to above-mentioned term
Property statement be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can be to combine in one or more embodiments in office or example in an appropriate manner.Additionally, in the case of the most conflicting,
Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: without departing from
These embodiments can be carried out multiple change in the case of the principle of the present invention and objective, revise, replace and modification, this
Bright scope is limited by claim and equivalent thereof.
Claims (15)
1. the hydraulic cylinder component for shield machine, it is characterised in that including:
Oil cylinder body, the cylinder rod that described oil cylinder body includes cylinder body and removes the most forward along described cylinder body and retract backward；With
Protection sleeve, described protection sleeve is set in described oil cylinder, and this is the most external and be fixedly linked with described cylinder body.
Hydraulic cylinder component for shield machine the most according to claim 1, it is characterised in that described protection sleeve
Front end is provided with the black box of fit clearance between the described front end for sealing described protection sleeve and described cylinder rod.
Hydraulic cylinder component for shield machine the most according to claim 2, it is characterised in that described black box bag
Include:
Two the first sealing rings that time interval is opened, each described first sealing ring is all set in described cylinder rod and a part of embedding
It is located in described protection sleeve；With
First joint, described first joint inserting on described protection sleeve and with the internal perisporium of described protection sleeve and described
The first space connection between two described first sealing rings that cylinder rod periphery wall limits.
Hydraulic cylinder component for shield machine the most according to claim 3, it is characterised in that described black box is also
Including: plug, described plug pluggable ground inserting connects on described protection sleeve and with described first space.
Hydraulic cylinder component for shield machine the most according to claim 3, it is characterised in that described first joint with
High pressure grease source is connected to introduce high pressure grease to described first space.
Hydraulic cylinder component for shield machine the most according to claim 3, it is characterised in that two described first close
The lip-type packing that at least one in seal is opened wide forward for lip.
7. according to the hydraulic cylinder component for shield machine according to any one of claim 1-6, it is characterised in that enter one
Step includes:
Second joint, described second joint inserting on described protection sleeve and and described oil cylinder body and protection sleeve between
Limit move with described cylinder rod and occur volume to change second space connection.
Hydraulic cylinder component for shield machine the most according to claim 7, it is characterised in that described second joint with
Hydraulic oil source is connected to introduce hydraulic oil to described second space adaptively.
Hydraulic cylinder component for shield machine the most according to claim 1, it is characterised in that described protection sleeve with
It is provided with sealing member between the joint face of described cylinder body.
Hydraulic cylinder component for shield machine the most according to claim 1, it is characterised in that described protection sleeve
Periphery wall on there is build-up wear-resistant layer.
11. hydraulic cylinder components for shield machine according to claim 1, it is characterised in that described protection sleeve
The cross section of front end be gradually reduced from back to front.
12. hydraulic cylinder components for shield machine according to claim 1, it is characterised in that described protection sleeve
It is removably secured with described cylinder body and is connected.
13. hydraulic cylinder components for shield machine according to claim 12, it is characterised in that described protection sleeve
It is removably secured by threaded fastener with described cylinder body and is connected.
14. hydraulic cylinder components for shield machine according to claim 1, it is characterised in that described cylinder body includes:
Mounting end and the guide post portion being located on described mounting end, described cylinder rod is set in described guide post portion and moves back and forth,
Wherein, described protection sleeve is set in that described cylinder rod is outer and rear end is fixedly linked with described mounting end.
15. 1 kinds of shield machines, it is characterised in that including:
Anterior shield, dynamic jaw assembly and according to the hydraulic cylinder component for shield machine according to any one of claim 1-14,
Described cylinder body is hinged and connected with described anterior shield, described cylinder rod and described dynamic jaw member hinges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517171.0A CN105971969A (en) | 2016-07-04 | 2016-07-04 | Hydraulic oil cylinder assembly for shield machine, and shield machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517171.0A CN105971969A (en) | 2016-07-04 | 2016-07-04 | Hydraulic oil cylinder assembly for shield machine, and shield machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105971969A true CN105971969A (en) | 2016-09-28 |
Family
ID=56954964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610517171.0A Pending CN105971969A (en) | 2016-07-04 | 2016-07-04 | Hydraulic oil cylinder assembly for shield machine, and shield machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105971969A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050122A (en) * | 2017-10-09 | 2018-05-18 | 中国铁建重工集团有限公司 | A kind of cylinder component and stone crusher for shield machine stone crusher |
| CN110159335A (en) * | 2019-06-25 | 2019-08-23 | 中国铁建重工集团股份有限公司 | Tunnel cooling system based on mud circulation |
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| CN108050122A (en) * | 2017-10-09 | 2018-05-18 | 中国铁建重工集团有限公司 | A kind of cylinder component and stone crusher for shield machine stone crusher |
| CN110159335A (en) * | 2019-06-25 | 2019-08-23 | 中国铁建重工集团股份有限公司 | Tunnel cooling system based on mud circulation |
| CN110159335B (en) * | 2019-06-25 | 2024-03-29 | 中国铁建重工集团股份有限公司 | Tunnel cooling system based on mud circulation |
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Application publication date: 20160928 |