CN108119424A - Rotary steering double-piston hydraulic device - Google Patents
Rotary steering double-piston hydraulic device Download PDFInfo
- Publication number
- CN108119424A CN108119424A CN201810004694.4A CN201810004694A CN108119424A CN 108119424 A CN108119424 A CN 108119424A CN 201810004694 A CN201810004694 A CN 201810004694A CN 108119424 A CN108119424 A CN 108119424A
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- China
- Prior art keywords
- piston
- housing
- oil
- backup
- hydraulic pressure
- Prior art date
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 39
- 238000003860 storage Methods 0.000 claims abstract description 29
- 239000000446 fuel Substances 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 119
- 239000000428 dust Substances 0.000 claims description 18
- 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 description 13
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The present invention relates to drilling equipment technical fields, it is a kind of rotary steering double-piston hydraulic device, including backup housing, oil sac pressing plate, oil sac body, piston pressing plate, piston-cylinder component, motor, hydraulic pump, valve seat, check valve and isolating seal circle, there is oil sac body by the limit installation of oil sac pressing plate on backup housing, trapped fuel chamber is formed between oil sac body and backup housing；Work backup housing positioned at oil sac body rear position is equipped with the pistion recess of opening upwards, and piston pressing plate is installed with for the backup housing upper of pistion recess position, and piston storage chamber is formed between piston pressing plate and backup housing.Reasonable and compact in structure of the present invention, it can be used for underground Operating Pressure, the deflection precision of rotary steering drilling tool can be improved in backplate using at least two piston collective effects, and failure rate can be reduced, extend the action time of entire instrument, also there is easy to use, easy to process, the characteristics of stability is high.
Description
Technical field
The present invention relates to drilling equipment technical fields, are a kind of rotary steering double-piston hydraulic devices.
Background technology
In drilling process, vertical drilling tool can meet the requirement of well track by adjusting hole deviation in real time, make
Drill bit reaches predetermined target.For pushing type vertical drilling tool using relatively broad, which, which passes through, controls three hydraulic modules
Action realize guide function, hydraulic module integrates mechanical, electrical, liquid, be vital one in vertical drilling tool
Point, however the hydraulic module of existing vertical drilling tool, mostly there are high failure rate, the various problems such as control accuracy is low cause
Entire instrument cannot continuously work for a long time.
The content of the invention
The present invention provides a kind of rotary steering double-piston hydraulic device, the deficiency of the above-mentioned prior art, energy are overcome
High failure rate existing for existing piston backup equipment is effectively solved, control accuracy is low, and entire instrument uninterrupted working time is short to ask
Topic.
The technical scheme is that realized by following measures：A kind of rotary steering double-piston hydraulic device, bag
Include backup housing, oil sac pressing plate, oil sac body, piston pressing plate, piston-cylinder component, motor, hydraulic pump, valve seat, check valve and
Isolating seal circle has oil sac body, shape between oil sac body and backup housing on backup housing by the limit installation of oil sac pressing plate
Into trapped fuel chamber；Work backup housing positioned at oil sac body rear position is equipped with the pistion recess of opening upwards, recessed for piston
The backup housing upper of groove location is installed with piston pressing plate, and piston storage chamber is formed between piston pressing plate and backup housing,
It is located at the piston-cylinder component in piston storage chamber equipped at least two groups of Inner ends at piston pressing plate, in every group of piston-cylinder component
Include the piston jacking block that outward thrust is generated when can be filled with hydraulic oil in piston storage chamber；Hydraulic pressure is fixed on backup housing
Housing, is equipped with installation cavity in hydraulic case body, along front and rear to being installed with motor, hydraulic pump and valve seat successively in installation cavity, electricity
Machine and hydraulic pump driving link together；Check valve is installed, the outlet of hydraulic pump and the entrance of check valve are mounted in valve seat
Together, the hydraulic pressure oil inlet passage of one-way valved outlet and piston storage chamber can be connected by being equipped between valve seat and hydraulic pressure housing, valve body with
Be equipped with the isolating seal circle that hydraulic pressure oil inlet passage can be isolated with installation cavity between hydraulic pressure housing, hydraulic pressure housing and backup housing it
Between be equipped with the hydraulic pressure oil discharge passage that can connect installation cavity and trapped fuel chamber.
Here is the further optimization and/or improvements to foregoing invention technical solution：
Above-mentioned plug cylinder sleeve component may also include oil cylinder set, actuating plunger and dust cover, and piston pressing plate is equipped at least two pistons
Mounting hole, is equipped with the oil cylinder set that lower part is located in piston storage chamber in each piston mounting holes, the lower end of each oil cylinder set with
The communication gap of oily cylinder sleeve bore and piston storage chamber can be connected by being formed between backup housing, and start is equipped in each oil cylinder set
Piston, the piston jacking block for generating angular deflection, oil cylinder set can be moved with actuating plunger by being equipped at the top of each actuating plunger
Upper end be located at the top of piston pressing plate, be equipped with and be located above piston pressing plate and can be between piston jacking block and corresponding oil cylinder set
Actuating plunger movement generates the dust cover for stretching or compressing, and the upper outside of the lower end inside and oil cylinder set of dust cover is fixedly mounted
Together, the upper outside on the inside of the upper end of dust cover with piston jacking block is fixedly installed togather.
The pistion recess slot bottom of the above-mentioned each oil cylinder set lower end position of correspondence can be equipped with limiting slot, and oil cylinder set, which is located at, to be corresponded to
Limiting slot in, be equipped with the oil cylinder passage that can connect two limiting slots, backup housing between every two adjacent /V trench bottoms
The hydraulic pressure oil inlet passage at least communicated with one of limiting slot, the bottom of oil cylinder set and limiting slot are equipped between hydraulic pressure housing
Bottom between form communication gap, inner groovy is equipped in the middle part of the bottom surface of each actuating plunger, under corresponding each actuating plunger
The upper protrusion with inner groovy profiling and in inner groovy is equipped on the backup housing that orientation is put.
Above-mentioned oil cylinder set middle part outside can be equipped with outer land, between the piston pressing plate of corresponding outer land position and backup housing
Equipped with limit card slot, outer shroud decometer enters in corresponding limit card slot.
Above-mentioned dust cover can be rubber system revolving body, and arc line shaped curved surface is equipped on rubber system revolving body.Thus can make
Pressure balance capsule can move with actuating plunger and generate corresponding stretching and compression sideline.
The upper inner of above-mentioned actuating plunger can be equipped with arc groove, deflect attachment bottom be equipped with matched with arc groove
Arc convex, arc convex seat is in spherical surface connected in star.
The upper inner of above-mentioned actuating plunger can be equipped with spherical groove, and the bottom for deflecting attachment is equipped with and spherical surface connected in star
The spheric protrusion matched somebody with somebody, spheric boss is in spherical surface connected in star.
The rear and front end of above-mentioned valve seat can be equipped with isolating seal circle between hydraulic pressure housing, and corresponding front and rear sides isolation is close
Logical pendular ring slot is equipped between seal on the outside of the valve seat of position, one-way valved outlet and logical pendular ring can be connected by circumferentially having on valve seat
The split channel of slot, piston storage chamber can be connected and the connection of logical pendular ring slot is led to by being equipped between hydraulic pressure housing and backup housing
Hydraulic pressure oil inlet passage is collectively formed in road, split channel, logical pendular ring slot and interface channel.
The trapped fuel groove of opening upwards can be equipped on above-mentioned backup housing, is corresponded to solid on the backup housing of trapped fuel groove location
Dingan County is equipped with oil sac pressing plate, and the middle part of oil sac pressing plate is equipped with oil sac mounting hole, the oil sac that Open Side Down is equipped in oil sac mounting hole
Body, oil sac body lower end outside are equipped with the installation edge being pressed between oil sac pressing plate and backup housing, and oil sac body is with pushing away
By forming trapped fuel chamber between housing.
Above-mentioned hydraulic pressure housing may include link block, main body and end cap, and the rear end of link block and the front end of main body are fixedly mounted
Together, the rear end of main body and the front end of end cap are fixedly installed togather, and main body is fixed together with backup housing, is set in main body
There is the central passage of front and rear perforation；The prepass that opening communicates backward and with central passage is equipped in the middle part of link block, is set on end cap
There is the front and rear rear passage for penetrating through and being communicated with central passage, installation cavity is collectively formed in prepass, central passage and rear passage；It is preceding logical
External electrical components is installed in road, the link block of corresponding external electrical components on-position is equipped with external opening, outside
Power part part is electrically connected with motor by conducting wire；Oil filler plug is installed from back to front in passage afterwards, motor, hydraulic pump and
Valve seat is sequentially arranged in central passage from front to back, sets that there are two can connect the protection of one-way valved outlet and installation cavity on valve seat
Passage is protected in passages for two and is separately installed with throttle valve and safety valve, the oiling passage of left and right perforation is additionally provided on valve seat.
Pedestal can be equipped in above-mentioned installation cavity, pedestal is fixedly installed togather with hydraulic pressure housing, and motor is equal with hydraulic pump
It is fixedly mounted on pedestal, together with motor and hydraulic pump are sequentially connected by shaft coupling.
Slanted angle α can be formed between above-mentioned backup housing and the adjacent exterior sides of hydraulic pressure housing, slanted angle α is 90 °
To between 180 °.
It can be in seamlessly transit shape between above-mentioned backup housing and the adjacent inboard face of hydraulic pressure housing, and arc is integrally formed
Face.
Setting can be integrated with hydraulic pressure housing or be fixed together by welding or connected by bolt on above-mentioned backup housing
It connects and is fixedly installed togather.
Reasonable and compact in structure of the present invention, can be used for underground Operating Pressure, using at least two piston collective effects in
Backplate can improve the deflection precision of rotary steering drilling tool, and can reduce failure rate, extend the action time of entire instrument, also
It is easy to process with easy to use, the characteristics of stability is high.
Description of the drawings
Attached drawing 1 is the overlooking the structure diagram of preferred embodiment.
Attached drawing 2 is section view enlarged structure schematic diagram of the attached drawing 1 at A-A.
Attached drawing 3 is section view enlarged structure schematic diagram of the attached drawing 1 at B-B.
Attached drawing 4 is schematic cross-sectional view of the attached drawing 1 at C-C.
Attached drawing 5 is that section view of the attached drawing 3 at D-D reduces structure diagram.
Coding in attached drawing is respectively：1 be backup housing, 2 be oil sac pressing plate, 3 be oil sac body, 4 be piston pressing plate, 5
It is hydraulic pump for motor, 6,7 be valve seat, and 8 be check valve, and 9 be isolating seal circle, and 10 be trapped fuel chamber, and 11 be hydraulic pressure oil discharge passage,
12 be piston jacking block, and 13 be shaft coupling, and 14 be oil cylinder set, and 15 be actuating plunger, and 16 be dust cover, and 17 be oil cylinder passage, and 18 are
Upper protrusion, 19 be outer land, and 20 be arc convex, and 21 be logical pendular ring slot, and 22 be split channel, and 23 be interface channel, and 24 be peace
Rim edge, 25 be link block, and based on 26,27 be end cap, and 28 be pedestal, and 29 be external electrical components, and 30 be oil filler plug, and 31 be section
Valve is flowed, 32 be safety valve, and 33 be oiling passage, and α is slanted angle.
Specific embodiment
The present invention from following embodiments limitation, can technique according to the invention scheme and actual conditions determine specifically
Embodiment.
In the present invention, for ease of description, the description of the relative position relation of each component is according to Figure of description 1
Butut mode be described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is the Butut according to Figure of description
Direction is come definite.
With reference to embodiment and attached drawing, the invention will be further described：
As shown in attached drawing 1,2,3,4,5, which includes backup housing 1, oil sac pressing plate 2, oil sac
Body 3, piston pressing plate 4, piston-cylinder component, motor 5, hydraulic pump 6, valve seat 7, check valve 8 and isolating seal circle 9, backup shell
There is oil sac body 3 by the limit installation of oil sac pressing plate 2 on body 1, trapped fuel chamber 10 is formed between oil sac body 3 and backup housing 1；Position
Work backup housing 1 in 3 rear position of oil sac body is equipped with the pistion recess of opening upwards, for pushing away for pistion recess position
Piston pressing plate 4 is installed with by 1 top of housing, piston storage chamber, piston pressure are formed between piston pressing plate 4 and backup housing 1
It is located at the piston-cylinder component in piston storage chamber equipped at least two groups of Inner ends at plate 4, includes in every group of piston-cylinder component
There is the piston jacking block 12 that outward thrust is generated when can be filled with hydraulic oil in piston storage chamber；Hydraulic pressure is fixed on backup housing 1
Housing, is equipped with installation cavity in hydraulic case body, along front and rear to being installed with motor 5, hydraulic pump 6 and valve seat 7 successively in installation cavity,
Together with motor 5 is sequentially connected with hydraulic pump 6；Check valve 8, the outlet of hydraulic pump 6 and entering for check valve 8 are installed in valve seat 7
Mouth is installed together, and equipped with that can connect, check valve 8 exports and the hydraulic pressure oil inlet of piston storage chamber is led between valve seat 7 and hydraulic pressure housing
Road, is equipped with the isolating seal circle 9 that can isolate hydraulic pressure oil inlet passage with installation cavity between valve body and hydraulic pressure housing, hydraulic pressure housing and
The hydraulic pressure oil discharge passage 11 of installation cavity and trapped fuel chamber 10 can be connected by being equipped between backup housing 1.During use, this need to be installed
Should circumferentially there be at least one link slot on the rotary steerable tool of invention, this hair can be installed in each link slot
Bright, then can be equipped on rotary steerable tool can make all 12 outsides of piston jacking block be against the backplate on the inside of it, oil sac
Insulation hydraulic oil can be injected in body 3, the hydraulic oil that insulate at this time will enter in installation cavity, wait to need to adjust rotary steerable tool
It, can be by the motor 5 for the present invention for starting correspondence position, so as to drive hydraulic pump 6 by the dielectric in installation cavity during direction
Pressure oil pressurization after exported from check valve 8, and pass through hydraulic pressure oil inlet passage be filled with into piston storage chamber pressurization after hydraulic oil from
And piston jacking block 12 is pushed out, all piston jacking blocks 12 in corresponding backplate, provide collective effect anti-by backplate
The angular adjustment to rotary steerable tool is realized to active force, after the completion for the treatment of angular adjustment, can close motor 5, and backplate will at this time
12 homing of piston jacking block is driven under external force.Reasonable and compact in structure of the present invention can be used for underground Operating Pressure,
The deflection precision of rotary steering drilling tool can be improved in backplate using at least two piston collective effects, and failure can be reduced
The characteristics of rate extends the action time of entire instrument, easy to process also with easy to use, and stability is high.
Above-mentioned rotary steering double-piston hydraulic device can be made further optimization and/or improvements according to actual needs：
As shown in attached drawing 1,2,3,4,5, plug cylinder sleeve component further includes oil cylinder set 14, actuating plunger 15 and dust cover 16, piston pressure
Plate 4 is equipped at least two piston mounting holes, and the oil cylinder that lower part is located in piston storage chamber is equipped in each piston mounting holes
Set 14, the company that oil cylinder covers 14 endoporus and piston storage chamber can be connected by being formed between the lower end of each oil cylinder set 14 and backup housing 1
Logical gap, each oil cylinder, which is covered in 14, is equipped with actuating plunger 15, and the top of each actuating plunger 15 is equipped with can be with actuating plunger
15 movements generate the piston jacking block 12 of angular deflection, and the upper end of oil cylinder set 14 is located at the top of piston pressing plate 4, piston jacking block 12
It is equipped between corresponding oil cylinder set 14 positioned at 4 top of piston pressing plate and can generate what is stretched or compress with the movement of actuating plunger 15
Dust cover 16, the upper outside of the lower end inside and oil cylinder set 14 of dust cover 16 are fixedly installed togather, the upper end of dust cover 16
Inside and the upper outside of piston jacking block 12 are fixedly installed togather.According to demand, dust cover 16 should be flexible capsule, and have
Good ductility, leakproofness and high temperature resistant and high voltage performance；Sealing ring is equipped between actuating plunger 15 and oil cylinder set 14.
Thus by injecting insulation hydraulic oil into piston storage chamber actuating plunger 15 can be promoted to be displaced outwardly when in use, and then driven
Piston jacking block 12 generates outside thrust；Inside and outside stress balance can be realized by dust cover 16, underground work with pressure can be used for
Industry；Piston jacking block 12 is enable, which to move generation angular deflection with actuating plunger 15, can prevent actuating plunger 15 from occurring in moving process
Eccentric wear extends its service life.
As shown in attached drawing 1,2,3,4,5, the pistion recess slot bottom that corresponding each oil cylinder covers 14 lower end positions is equipped with /V
Slot, oil cylinder set 14 are located in corresponding limiting slot, and two limiting slots can be connected by being equipped between every two adjacent /V trench bottoms
Oil cylinder passage 17, the hydraulic pressure oil inlet that is at least communicated with one of limiting slot is equipped between backup housing 1 and hydraulic pressure housing and is led to
Road forms communication gap, is all provided in the middle part of the bottom surface of each actuating plunger 15 between the bottom of oil cylinder set 14 and the bottom of limiting slot
There is inner groovy, be equipped on the backup housing 1 of corresponding each 15 lower position of actuating plunger with inner groovy profiling and positioned at indent
Upper raised 18 in slot.Thus all limiting slots and oil cylinder passage 17 can be made to become a part for piston storage chamber, so as to
Actuating plunger 15 can be promoted when being filled with hydraulic oil in piston storage chamber and drives piston jacking block 12 that can generate outward thrust.
As shown in attached drawing 1,2,3,4,5,14 middle part outside of oil cylinder set is equipped with outer land 19, the work of corresponding outer 19 position of land
It fills in and limit card slot is equipped between pressing plate 4 and backup housing 1, outer land 19 is caught in corresponding limit card slot.Thus limit can be passed through
Position card slot realizes support of the backup housing 1 to oil cylinder set 14, it is ensured that shape between the lower end of each oil cylinder set 14 and the energy of backup housing 1
The communication gap of 14 endoporus and piston storage chamber is covered into connection oil cylinder.
As shown in attached drawing 1,2,3,4,5, dust cover 16 is rubber system revolving body, and camber line is equipped on rubber system revolving body
Shape curved surface.Thus pressure balance capsule can be enable to generate corresponding stretching and compression sideline with the movement of actuating plunger 15.According to need
It asks, pressure balance capsule also can be used other materials with ductility, leakproofness and high temperature resistant and high voltage performance and be made.
As shown in attached drawing 1,2,3,4,5, the upper inner of actuating plunger 15 is equipped with arc groove, and the bottom for deflecting attachment is set
There is arc convex 20 matched with arc groove, arc convex 20 is in spherical surface connected in star.Thus deflection attachment energy can be convenient for
Angular deflection is formed with moving up and down for actuating plunger 15.
As a preferred embodiment, the upper inner of actuating plunger 15 is equipped with spherical groove, the bottom for deflecting attachment is equipped with and ball
The matched spheric protrusion of face connected in star, spheric boss is in spherical surface connected in star.Thus it can be convenient for deflection attachment can be with work
Piston 15 moves up and down to form angular deflection.
As shown in attached drawing 1,2,3,4,5, the rear and front end of valve seat 7 is equipped with isolating seal circle 9 between hydraulic pressure housing, right
7 outside of valve seat of position between front and rear sides isolating seal circle 9 is answered to be equipped with logical pendular ring slot 21, circumferentially has energy on valve seat 7
The outlet of check valve 8 and the split channel 22 of logical pendular ring slot 21 are connected, work can be connected by being equipped between hydraulic pressure housing and backup housing 1
The interface channel 23 of storage chamber and logical pendular ring slot 21 is filled in, liquid is collectively formed in split channel 22, logical pendular ring slot 21 and interface channel 23
Press oil inlet passage.The outlet of check valve 8 is connected with piston storage chamber when thus can pass through hydraulic channel, and can pass through front and rear sides
Isolating seal circle 9 realize hydraulic pressure oil inlet passage with installation cavity isolate.According to demand, can circumferentially there are five on valve seat 7
Split channel 22.
As shown in attached drawing 1,2,3,4,5, backup housing 1 is equipped with the trapped fuel groove of opening upwards, corresponding trapped fuel groove position
It is installed with oil sac pressing plate 2 on the backup housing 1 put, the middle part of oil sac pressing plate 2 is equipped with oil sac mounting hole, in oil sac mounting hole
Equipped with the oil sac body 3 that Open Side Down, 3 lower end outside of oil sac body is equipped with and is pressed between oil sac pressing plate 2 and backup housing 1
Edge 24 is installed, trapped fuel chamber 10 is formed between oil sac body 3 and backup housing 1.Thus can be realized by oil sac body 3 to hydraulic pressure
The storage of oil realizes that the promotion to actuating plunger 15 is made so as to which existing hydraulic-driven component is combined with the present invention
With.According to demand, edge 24 is installed and is integrated setting with oil sac body 3；It can be equipped between installation edge 24 and backup housing 1 close
Seal, and the sealing ring can be wholely set with installation edge 24.
As shown in attached drawing 1,2,3,4,5, hydraulic pressure housing includes link block 25, main body 26 and end cap 27, after link block 25
The front end with main body 26 is held to be fixedly installed togather, the rear end and the front end of end cap 27 of main body 26 are fixedly installed togather, main body
26 are fixed together with backup housing 1, and the central passage of front and rear perforation is equipped in main body 26；The middle part of link block 25 be equipped with opening to
The prepass communicated afterwards and with central passage, end cap 27 is equipped with the front and rear rear passage for penetrating through and being communicated with central passage, preceding logical
Installation cavity is collectively formed in road, central passage and rear passage；External electrical components 29 is installed in prepass, it is corresponding external
The link block 25 of 29 on-position of electrical components is equipped with external opening, and external electrical components 29 is connected electrically in motor 5 by conducting wire
Together；Oil filler plug 30 is installed from back to front afterwards, during motor 5, hydraulic pump 6 and valve seat 7 are sequentially arranged at from front to back in passage
In portion's passage, set on valve seat 7 there are two the outlet of check valve 8 and the protection passage of installation cavity can be connected, two are protected interior point of passages
Throttle valve 31 and safety valve 32 are not installed, the oiling passage 33 of left and right perforation is additionally provided on valve seat 7.Thus hydraulic case can be convenient for
The processing and installation of body during oiling, can first remove oil filler plug 30, then by rear passage and oiling passage 33 into installation cavity
Injection insulation hydraulic oil, the hydraulic oil that insulate at this time will be entered by hydraulic pressure oil discharge passage 11 in trapped fuel chamber 10, after completing oiling
Oil filler plug 30 can be reinstalled in rear passage；It in use, can be by the external lug connected with existing external equipment and external electrical components
29 are electrically connected, and thus can be powered by external equipment through external lug to motor 5 and send corresponding control signal, from
And realize the control opened and closed to motor 5；The setting of throttle valve 31 and safety valve 32 can be carried out when 8 output pressure of check valve is excessive
Pressure release and shunting function make SI semi-insulation hydraulic oil flow to installation cavity, are protected so as to be formed to valve seat 7.According to demand, external electricity
Existing known technology, such as high pressure sealing contact pin or high pressure sealing plug can be used in component 29.
As shown in attached drawing 1,2,3,4,5, pedestal 28 is equipped in installation cavity, pedestal 28 is fixedly mounted on one with hydraulic pressure housing
It rises, motor 5 is fixedly mounted on hydraulic pump 6 on pedestal 28, and motor 5 and hydraulic pump 6 are sequentially connected by shaft coupling 13 one
It rises.Thus the connection and installation of motor 5 and hydraulic pump 6 can be convenient for.
As shown in attached drawing 1,2,3,4,5, slanted angle α is formed between the adjacent exterior sides of backup housing 1 and hydraulic pressure housing,
Between slanted angle α is 90 ° to 180 °.Thus it can be made more to meet the spatial distribution in well, reduces the occupancy to space in well.
It is in seamlessly transit shape as shown in attached drawing 1,2,3,4,5, between the adjacent inboard face of backup housing 1 and hydraulic pressure housing,
And arcwall face is integrally formed.Thus the installation and use of the present invention can be convenient for.
It is integrated as shown in attached drawing 1,2,3,4,5, on backup housing 1 with hydraulic pressure housing and sets or be fixed by welding in one
It rises or is bolted and be fixedly installed togather.Thus processing and installation can be made it easy to.
More than technical characteristic constitutes highly preferred embodiment of the present invention, is imitated with stronger adaptability and optimal implementation
Fruit can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to actual needs.
Claims (10)
1. a kind of rotary steering double-piston hydraulic device, it is characterised in that including backup housing, oil sac pressing plate, oil sac body, work
Pressing plate, piston-cylinder component, motor, hydraulic pump, valve seat, check valve and isolating seal circle are filled in, passes through oil sac pressure on backup housing
Plate limit installation has oil sac body, and trapped fuel chamber is formed between oil sac body and backup housing；Positioned at oil sac body rear position
Backup housing living is equipped with the pistion recess of opening upwards, and work is installed with for the backup housing upper of pistion recess position
Pressing plate is filled in, piston storage chamber is formed between piston pressing plate and backup housing, at least two groups of Inner ends are equipped at piston pressing plate and are located at work
The piston-cylinder component in storage chamber is filled in, includes in every group of piston-cylinder component and can be filled with hydraulic oil in piston storage chamber
When generate outward thrust piston jacking block；Hydraulic pressure housing is fixed on backup housing, installation cavity, installation cavity are equipped in hydraulic case body
It is interior along front and rear to motor, hydraulic pump and valve seat is installed with successively, motor and hydraulic pump driving link together；Peace in valve seat
Equipped with check valve, the outlet of hydraulic pump and the entrance of check valve are installed together, and being equipped between valve seat and hydraulic pressure housing can connect
The hydraulic pressure oil inlet passage of one-way valved outlet and piston storage chamber, between valve body and hydraulic pressure housing be equipped with can by hydraulic pressure oil inlet passage with
The isolating seal circle of installation cavity isolation, is equipped with the hydraulic pressure that can connect installation cavity and trapped fuel chamber between hydraulic pressure housing and backup housing
Oil discharge passage.
2. rotary steering double-piston hydraulic device according to claim 1, it is characterised in that plug cylinder sleeve component further includes oil
Cylinder sleeve, actuating plunger and dust cover, piston pressing plate are equipped at least two piston mounting holes, are equipped in each piston mounting holes
Lower part is located at the oil cylinder set in piston storage chamber, and being formed between the lower end of each oil cylinder set and backup housing can connect in oil cylinder set
The communication gap of hole and piston storage chamber is equipped with actuating plunger in each oil cylinder set, is equipped at the top of each actuating plunger
The piston jacking block for generating angular deflection can be moved with actuating plunger, the upper end of oil cylinder set is located at the top of piston pressing plate, piston
Jacking block, which is equipped with above piston pressing plate between being covered with corresponding oil cylinder and can be moved with actuating plunger, generates what is stretched or compress
Dust cover, the upper outside that the lower end inside of dust cover is covered with oil cylinder are fixedly installed togather, with living on the inside of the upper end of dust cover
The upper outside of plug jacking block is fixedly installed togather.
3. rotary steering double-piston hydraulic device according to claim 2, it is characterised in that corresponding each oil cylinder set lower end
The pistion recess slot bottom of position is equipped with limiting slot, and oil cylinder set is located in corresponding limiting slot, every two adjacent /V trench bottoms
Between be equipped with the oil cylinder passage that can connect two limiting slots, between backup housing and hydraulic pressure housing be equipped at least with one of them
The hydraulic pressure oil inlet passage that limiting slot communicates forms communication gap, each start between the bottom of oil cylinder set and the bottom of limiting slot
Inner groovy is equipped in the middle part of the bottom surface of piston, is equipped on the backup housing of corresponding each actuating plunger lower position and inner groovy
Profiling and the upper protrusion in inner groovy.
4. rotary steering double-piston hydraulic device according to claim 2, it is characterised in that oil cylinder set middle part outside is equipped with
Outer land is equipped with limit card slot between the piston pressing plate of corresponding outer land position and backup housing, and outer shroud decometer enters corresponding limit
In the card slot of position；Or/and dust cover is rubber system revolving body, and arc line shaped curved surface is equipped on rubber system revolving body, thus it can make
Pressure balance capsule can move with actuating plunger and generate corresponding stretching and compression sideline.
5. rotary steering double-piston hydraulic device according to claim 2, it is characterised in that the upper inner of actuating plunger
Equipped with arc groove, deflect attachment bottom be equipped with the matched arc convex of arc groove, arc convex seat is recessed in spheric
In slot；Or, the upper inner of actuating plunger is equipped with spherical groove, deflects the bottom of attachment equipped with the ball with spheric matching grooves
Face shape protrusion, spheric boss is in spherical surface connected in star.
6. the rotary steering double-piston hydraulic device according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that valve seat
Rear and front end is equipped with isolating seal circle between hydraulic pressure housing, between corresponding front and rear sides isolating seal circle outside the valve seat of position
Side is equipped with logical pendular ring slot, circumferentially has the split channel that can connect one-way valved outlet and logical pendular ring slot, hydraulic case on valve seat
The interface channel of piston storage chamber and logical pendular ring slot can be connected by being equipped between body and backup housing, split channel, logical pendular ring slot
Hydraulic pressure oil inlet passage is collectively formed with interface channel.
7. the rotary steering double-piston hydraulic device according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that backup shell
Body is equipped with the trapped fuel groove of opening upwards, is installed with oil sac pressing plate on the backup housing of corresponding trapped fuel groove location, oil
The middle part of bag pressure plate is equipped with oil sac mounting hole, is equipped with the oil sac body that Open Side Down in oil sac mounting hole, outside oil sac body lower end
Side is equipped with the installation edge being pressed between oil sac pressing plate and backup housing, and trapped fuel is formed between oil sac body and backup housing
Chamber.
8. the rotary steering double-piston hydraulic device according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that hydraulic case
Body includes link block, main body and end cap, and the rear end of link block and the front end of main body are fixedly installed togather, the rear end and end of main body
The front end of lid is fixedly installed togather, and main body is fixed together with backup housing, and the central passage of front and rear perforation is equipped in main body；
The prepass that opening communicates backward and with central passage is equipped in the middle part of link block, end cap is equipped with front and rear perforation and and central passage
Installation cavity is collectively formed in the rear passage communicated, prepass, central passage and rear passage；Outer power part is installed in prepass
Part, the link block of corresponding external electrical components on-position are equipped with external opening, and external electrical components passes through conducting wire with motor
It is electrically connected；Oil filler plug is installed from back to front afterwards, motor, hydraulic pump and valve seat are sequentially arranged at from front to back in passage
It is set in central passage, on valve seat there are two the protection passage that can connect one-way valved outlet and installation cavity, two protection passages are interior to be divided
Throttle valve and safety valve are not installed, the oiling passage of left and right perforation is additionally provided on valve seat.
9. the rotary steering double-piston hydraulic device according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that installation is empty
Intracavitary is equipped with pedestal, and pedestal is fixedly installed togather with hydraulic pressure housing, and motor is fixedly mounted on pedestal with hydraulic pump, motor
With hydraulic pump by shaft coupling be sequentially connected together with；Or/and it is formed between the adjacent exterior sides of backup housing and hydraulic pressure housing
Between slanted angle α, slanted angle α are 90 ° to 180 °；Or/and it is between backup housing and the adjacent inboard face of hydraulic pressure housing
Shape is seamlessly transitted, and arcwall face is integrally formed；Or/and setting or solid by welding is integrated on backup housing with hydraulic pressure housing
It is scheduled on together or is bolted and be fixedly installed togather.
10. the rotary steering double-piston hydraulic device according to claim 6 or 7 or 8, it is characterised in that set in installation cavity
There is pedestal, pedestal is fixedly installed togather with hydraulic pressure housing, and motor is fixedly mounted on pedestal with hydraulic pump, motor and hydraulic pressure
Pump is sequentially connected together by shaft coupling；Or/and it is formed between the adjacent exterior sides of backup housing and hydraulic pressure housing and tilts folder
Between angle α, slanted angle α are 90 ° to 180 °；Or/and in smoothed between backup housing and the adjacent inboard face of hydraulic pressure housing
Shape is crossed, and arcwall face is integrally formed；Or/and it is integrated on backup housing with hydraulic pressure housing and sets or be fixed by welding in one
It rises or is bolted and be fixedly installed togather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810004694.4A CN108119424B (en) | 2018-01-03 | 2018-01-03 | Rotary guiding double-piston hydraulic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810004694.4A CN108119424B (en) | 2018-01-03 | 2018-01-03 | Rotary guiding double-piston hydraulic device |
Publications (2)
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| CN108119424A true CN108119424A (en) | 2018-06-05 |
| CN108119424B CN108119424B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810004694.4A Active CN108119424B (en) | 2018-01-03 | 2018-01-03 | Rotary guiding double-piston hydraulic device |
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| CN107932885A (en) * | 2017-12-02 | 2018-04-20 | 东莞市罗兰制动技术有限公司 | A kind of braking automobile sheetmolding pressing machine |
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| Publication number | Publication date |
|---|---|
| CN108119424B (en) | 2024-03-12 |
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Effective date of registration: 20201105 Address after: 100120 Beijing Xicheng District six laying Kang Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Applicant before: CNPC Xibu Drilling Engineering Co.,Ltd. |
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