CN108591170A - A kind of hydraulic bidirectional splitting stick - Google Patents
A kind of hydraulic bidirectional splitting stick Download PDFInfo
- Publication number
- CN108591170A CN108591170A CN201810686309.9A CN201810686309A CN108591170A CN 108591170 A CN108591170 A CN 108591170A CN 201810686309 A CN201810686309 A CN 201810686309A CN 108591170 A CN108591170 A CN 108591170A
- Authority
- CN
- China
- Prior art keywords
- stick
- piston rod
- cylinder
- way hydraulic
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000000446 fuel Substances 0.000 claims abstract description 6
- 230000003068 static effect Effects 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 28
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 20
- 239000010720 hydraulic oil Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003776 cleavage reaction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 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
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
-
- 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
- F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
-
- 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
- F15B15/1428—Cylinders
-
- 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
- F15B15/20—Other details, e.g. assembly with regulating devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of hydraulic bidirectionals to cleave stick, and longitudinally disposed multiple above-mentioned two-way hydraulic cylinders, each two-way hydraulic cylinder two-way hydraulic cylinder adjacent with its join end to end in stick shell, and all two-way hydraulic cylinders share same oil inlet passage and drainback passage in stick shell；The two-way hydraulic cylinder includes cylinder body, cylinder sleeve, piston rod and sealing element, plunger shaft is formed between piston rod one and piston rod two, oil inlet passage is arranged in the side of plunger shaft and is communicated with plunger shaft by fuel feed hole, and drainback passage is arranged in the other side of plunger shaft and is communicated with plunger shaft by oil return hole.The present invention makes splitting stick uniform force in non-homogeneous cylindrical hole compared with existing splitting stick, by bidirectional piston system, can to avoid rock reaction force to cleave stick damage, improve its service life；The stroke for cleaving stick is big, improves splitting efficiency；Overall structure simple and compact, it is convenient to install and maintain.
Description
Technical field
The present invention relates to a kind of rock cleavage mechanisms, and in particular to a kind of hydraulic bidirectional splitting stick.
Background technology
In traditional rock mining and mining, either strip mining transformation or underground mining, most of use are beaten
The method blown out of eye, with China's expanding economy, environmental protection and the consideration of construction personnel's safety, increasingly to the control of explosion medicine
Strictly, therefore mechanical breaking method is more and more widely used.The mechanical crumbling method of one of the most common is to split
Split machine, splitting machine be it is a kind of efficiently splitting broken equipment to what rock was cleaved with hydraulic machinery mode, by hydraulic power station and
Stick two large divisions composition is cleaved, splitting stick generates huge motive force, multiple plungers by the super high pressure oil drive cylinder that pumping plant exports
It works together and the hard object such as rock splits by predetermined direction, specifically used method is as follows：First by drilling device on rock
Or cylindrical hole is drilled out on concrete, then splitting stick is put into cylindrical hole, then hydraulic oil, splitting are supplied for splitting stick by hydraulic power unit
Hydraulic pressure in stick gradually increases, and the plunger stopper stretching in splitting stick is pushed to open rock cleavage.In mining and building soil
In the case of cannot using explosive in stonework, there is splitting effect well using splitting machine fractured rock.
But used splitting stick on this common splitting machine, there is following technological deficiency in use：Due to
The hole drilled out on rock is all not the circular hole or square hole of rule, causes to bore due to building site condition, construction technology etc.
The hole gone out be irregular shape, and cleave stick will during rock break cleave stick everywhere can be by prodigious reaction force, such as
Fruit borehole shape is very irregular, splitting stick will be made to occur crack or whole fracture due to discontinuity everywhere, most
The case where leading to a whole set of splitting stick equipment scrapping eventually.
Application No. is 201520786934.2 Chinese utility model patents to disclose a kind of two-way splitting of mechanical structure
Stick, principle are to deliver torque to screw rod by hydraulic motor band nutating gear, and screw rod both ends are connect with outer cylinder body, and energy
It is rotated freely in outer cylinder interior, the movement that rotates in a circumferential direction of screw rod is then converted to by axial linear movement by drive block, into
And it drives link mechanism that column will be promoted to release outer cylinder body and completes cleavage operations.
Following problem existing for the two-way splitting stick of this Mechanical Driven：Due to screw drive high precision machining, and work
Speed difference is big, therefore wears big, short life, using being also easy to creeping phenomenon occur for a period of time；The essence of processing, installation and adjustment
Degree is high, improves equipment cost；Due to being machine driving during use, once there is abrasion and transmission accuracy caused to change
Excessive, the problems such as noise is big can be caused to vibrate；And this structure No-mistake Principle protection, it is easy damage failure.
Invention content
In order to overcome various deficiencies of the existing technology, the present invention provides a kind of hydraulic bidirectional and cleaves stick, can be to avoid
Damage of the reaction force of rock to splitting stick, improves its service life；The stroke for cleaving stick is big, improves splitting efficiency；It is whole
It is simple and compact for structure, it is convenient to install and maintain.
To solve the above-mentioned problems, a kind of hydraulic bidirectional of the present invention cleaves stick, including stick shell and hydraulic cylinder, is opened up on stick shell
Multiple through-holes for allowing the piston rod of hydraulic cylinder to stretch out；The hydraulic cylinder is two-way hydraulic cylinder, and the both sides of stick shell offer logical
Hole, longitudinally disposed multiple above-mentioned two-way hydraulic cylinders in stick shell, each two-way hydraulic cylinder two-way hydraulic cylinder head and the tail adjacent with its
It is connected, all two-way hydraulic cylinders share same oil inlet passage and drainback passage in stick shell；The two-way hydraulic cylinder includes cylinder body, cylinder
Set, piston rod and sealing element, piston rod one and piston rod two are symmetrical arranged, and piston rod one is mounted on the one of cylinder body by cylinder sleeve one
Side, piston rod two are mounted on the symmetrical other side of cylinder body by cylinder sleeve two, plunger shaft are formed between piston rod one and piston rod two,
Oil inlet passage is arranged in the side of plunger shaft and is communicated with plunger shaft by fuel feed hole, and drainback passage is arranged in the another of plunger shaft
Side is simultaneously communicated by oil return hole with plunger shaft, static seal between cylinder sleeve one and cylinder sleeve two and cylinder body, piston rod one and cylinder sleeve one
Between, equal dynamic sealing between piston rod two and cylinder sleeve two, piston rod one and piston rod two pass through work close to the end of plunger shaft
Plug is sealed with sealing ring.
Hydraulic cylinder is self-existent, but since the multiple hydraulic cylinders in stick shell share an oil inlet passage and one time
Oily channel, therefore when needing to cleave rock, hydraulic oil is sequentially input by each two-way hydraulic cylinder, hydraulic oil by oil inlet passage
Pressure push the piston rod of two-way hydraulic cylinder both sides to stretch out simultaneously to cleave its rock, extremely by first two-way hydraulic cylinder
Piston rod on the last one two-way hydraulic cylinder sequentially stretches out successively, and since piston is arranged symmetrically, cleaves stick piston
The work of bar is similar to wedge shape and cleaves, and directly acts on rock, and the position of position acts perpendicularly to rock, cleaves power
Greatly, while contact of the stick shell with rock is avoided, therefore also avoids damage of the rock reaction force to stick shell；Due to both sides
Piston rod stretches out simultaneously, therefore compared to common splitting stick, the length of piston rod is shorter, stroke bigger, therefore can both subtract
Damage of the small shearing force to piston rod, while improving splitting efficiency；When needing to cleave stick retraction, hydraulic system passes through oil return
Hydraulic oil extraction can both have been made the piston rod of two-way hydraulic cylinder retract successively by channel, use more convenient, hydraulic system
Arrangement is more simple.
Further, bolt hole is offered on the cylinder body of two-way hydraulic cylinder, stay bolt passes through the bolt on two-way hydraulic cylinder
Hole connects multiple two-way hydraulic cylinders in stick shell.
Multiple two-way hydraulic cylinders, which are cascaded, to be set in stick shell, that is, is individually present and is worked together, when some hydraulic pressure
When cylinder damages, stay bolt is directly removed, the hydraulic cylinder of damage is replaced, maintenance cost is both reduced, avoids simultaneously
Common splitting stick results in entirely cleaving the case where stick can not use due to the failure of some piston rod.
It is positioned for the ease of installation, ensures that the installation accuracy of two-way hydraulic cylinder, the cylinder body head end of each two-way hydraulic cylinder are set
Fluted, tail end is equipped with boss, the size mutual cooperation of the groove and boss.
Further, the dynamic sealing includes super-pressure reciprocating movement sealing circle and baffle ring one, and super-pressure moves back and forth close
Seal is separately mounted at the inside groove of cylinder sleeve one and cylinder sleeve two and is limited using baffle ring one.
Further, the static seal includes super-pressure static sealing ring and baffle ring two, and static seal includes super-pressure static seal
Circle is separately mounted at the inside groove of cylinder body both sides and is limited using baffle ring two.
Further, the piston is super-pressure piston sealing ring with sealing ring.
Further, the end of both sides cylinder sleeve is mounted on double-lip dustband；The both ends of stick shell are respectively provided with end cover.
It is the fortune to piston rod that super-pressure reciprocating movement sealing circle, which is used for movable sealing, baffle ring one between piston rod and cylinder sleeve,
It is dynamic to be limited；Super-pressure static sealing ring prevents oil leak, baffle ring two to be used for stationary cylinder for the static seal between cylinder sleeve and cylinder body
Set；Super-pressure piston is with sealing ring for the dynamic sealing between piston rod end and cylinder body；Double-lip dustband is used for hydraulic cylinder
Dustproof effect.
The present invention makes splitting stick stress in non-homogeneous cylindrical hole compared with existing splitting stick, by bidirectional piston system
Uniformly, splitting effect is good；And splitting stick shell will not be acted on directly with rock wall when splitting stick work, therefore avoid rock
Damage of the reaction force to splitting stick；Bidirectional piston bar can both reduce the length of piston rod, while increase the row of splitting stick
Journey improves the efficiency of splitting；Compared with commonly splitting stick, this splitting stick is by multiple mutual indepedent and end to end hydraulic cylinder
Composition can be connect by bolt with tapped through hole there are four the tapped through hole penetrated through on each hydraulic cylinder between hydraulic cylinder,
And hydraulic cylinder is cooperated by boss and groove with adjacent hydraulic cylinder, and positioning accuracy is high, easy for assemble or unload, reduces
Use cost, while avoiding the problem of global failure is caused due to hydraulic cylinder damage；The present invention is connected by several hydraulic cylinders
It forms, relatively easy in structure, each component is relatively independent, and the design requirement of hydraulic system is relatively low, easily facilitates realization；With
Mechanical splitting stick is compared, and the present invention uses hydraulic-driven, light-weight, compact-sized, inertia is small, and it is steady to transmit motion homogeneous,
Speed is relatively stablized when load variation, can also realize overload protection by hydraulic valve in hydraulic system.
Description of the drawings
Fig. 1 is dimensional structure diagram of the present invention；
Fig. 2 is the structural schematic diagram of single two-way hydraulic cylinder in Fig. 1；
Fig. 3 is the middle sectional view along A-A of Fig. 2；
Fig. 4 is the end to end sectional view of each two-way hydraulic cylinder；
In figure：1, stick shell；2, piston rod；2.1, piston rod one；2.2, piston rod two；3, two-way hydraulic cylinder；4, double-lip
Dustband；5, cylinder sleeve；5.1, cylinder sleeve one；5.2, cylinder sleeve two；6, super-pressure reciprocating movement sealing circle；7, baffle ring one；8, super-pressure
Static sealing ring；9, baffle ring two；10, super-pressure piston sealing ring；11, plunger shaft；12, cylinder body；13, boss；14, groove；15、
Through-hole；16, threaded hole；17, stay bolt；18, oil inlet access；19, fuel feed hole；20, way to cycle oil；21, oil return hole；22, it seals
End cap.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of hydraulic bidirectional cleaves stick, including stick shell 1 and hydraulic cylinder, and multiple appearances are opened up on stick shell 1
Perhaps the through-hole 15 that the piston rod of hydraulic cylinder stretches out；The hydraulic cylinder is two-way hydraulic cylinder 3, and the both sides of stick shell 1 offer through-hole
15, longitudinally disposed multiple above-mentioned two-way hydraulic cylinders 3 in stick shell 1, the two-way hydraulic cylinder adjacent with its of each two-way hydraulic cylinder 3 be first
Tail is connected, and all two-way hydraulic cylinders 3 share same oil inlet passage 18 and drainback passage 20 in stick shell 1；The two-way hydraulic cylinder 3 wraps
Cylinder body 12, cylinder sleeve 5, piston rod 2 and sealing element are included, piston rod 1 and piston rod 2 2.2 are symmetrical arranged, and piston rod 1 is logical
The side that cylinder sleeve 1 is mounted on cylinder body 12 is crossed, piston rod 2 2.2 is symmetrical another mounted on cylinder body 12 by cylinder sleeve 2 5.2
Side, between piston rod 1 and piston rod 2 2.2 form plunger shaft 11, oil inlet passage 18 be arranged the side of plunger shaft 11 simultaneously
It is communicated with plunger shaft 11 by fuel feed hole 19, drainback passage 20 is arranged in the other side of plunger shaft 11 and by oil return hole 21 and work
Plug chamber 11 communicates, static seal between cylinder sleeve 1 and cylinder sleeve 2 5.2 and cylinder body 12, piston rod 1 and cylinder sleeve 1 it
Between, equal dynamic sealing between piston rod 2 2.2 and cylinder sleeve 2 5.2, piston rod 1 and piston rod 2 2.2 are close to the end of plunger shaft
Portion is sealed by piston with sealing ring.
Hydraulic cylinder is self-existent, but since the multiple hydraulic cylinders in stick shell share an oil inlet passage and one time
Oily channel, therefore when needing to cleave rock, hydraulic oil is sequentially input by each two-way hydraulic cylinder, hydraulic oil by oil inlet passage
Pressure push the piston rod of two-way hydraulic cylinder both sides to stretch out simultaneously to cleave its rock, extremely by first two-way hydraulic cylinder
Piston rod on the last one two-way hydraulic cylinder sequentially stretches out successively, and since piston is arranged symmetrically, cleaves stick piston
The work of bar is similar to wedge shape and cleaves, and directly acts on rock, and the position of position acts perpendicularly to rock, cleaves power
Greatly, while contact of the stick shell with rock is avoided, therefore also avoids damage of the rock reaction force to stick shell；Due to both sides
Piston rod stretches out simultaneously, therefore compared to common splitting stick, the length of piston rod is shorter, stroke bigger, therefore can both subtract
Damage of the small shearing force to piston rod, while improving splitting efficiency；When needing to cleave stick retraction, hydraulic system passes through oil return
Hydraulic oil extraction can both have been made the piston rod of two-way hydraulic cylinder retract successively by channel, use more convenient, hydraulic system
Arrangement is more simple.
Such as Fig. 2 to Fig. 4, bolt hole 16 is offered on the cylinder body of two-way hydraulic cylinder 3, stay bolt 17 passes through two-way hydraulic cylinder 3
On bolt hole multiple two-way hydraulic cylinders in stick shell 1 are connected.
Multiple two-way hydraulic cylinders, which are cascaded, to be set in stick shell, that is, is individually present and is worked together, when some hydraulic pressure
When cylinder damages, stay bolt is directly removed, the hydraulic cylinder of damage is replaced, maintenance cost is both reduced, avoids simultaneously
Common splitting stick results in entirely cleaving the case where stick can not use due to the failure of some piston rod.
It is positioned for the ease of installation, ensures the installation accuracy of two-way hydraulic cylinder, 12 head end of cylinder body of each two-way hydraulic cylinder 3
Equipped with groove 14, tail end is equipped with boss 13, the size mutual cooperation of the groove 14 and boss 13.
Further, the dynamic sealing includes super-pressure reciprocating movement sealing circle 6 and baffle ring 1, and super-pressure moves back and forth
Sealing ring 6 is separately mounted at the inside groove of cylinder sleeve 1 and cylinder sleeve 2 5.2 and is limited using baffle ring 1.
Further, the static seal includes super-pressure static sealing ring 8 and baffle ring 29, and static seal includes that super-pressure is quiet close
Seal 8 is separately mounted at the inside groove of 12 both sides of cylinder body and is limited using baffle ring 29.
Further, the piston is super-pressure piston sealing ring 10 with sealing ring.
Further, the end of both sides cylinder sleeve 5 is mounted on double-lip dustband 4；The both ends of stick shell 1 are respectively provided with sealed end
Lid 22.
It is to piston rod that super-pressure reciprocating movement sealing circle 6, which is used for movable sealing, baffle ring 1 between piston rod and cylinder sleeve,
Movement is limited；Super-pressure static sealing ring 8 prevents oil leak, baffle ring 29 is for solid for the static seal between cylinder sleeve and cylinder body
Determine cylinder sleeve；Super-pressure piston is with sealing ring 10 for the dynamic sealing between piston rod end and cylinder body；Double-lip dustband 4 is used for
3 dustproof effect of hydraulic cylinder.
Specifically used method is as follows；
By drilling device, drilling goes out cylindrical hole on rock or on concrete, and hydraulic bidirectional splitting stick is put into cylindrical hole,
Hydraulic power unit injects hydraulic oil into each hydraulic cylinder from oil inlet access 18, and hydraulic oil is respectively by each two-way hydraulic cylinder 3
Fuel feed hole 19 enter the plunger shaft 11 of each two-way hydraulic cylinder 3, as hydraulic oil increases in plunger shaft 11, pressure rise is simultaneously
It pushes the piston rod 2 of both sides to stretch out simultaneously, and each two-way hydraulic cylinder 3 is sequentially entered with hydraulic oil, it is two-way by first
Piston rod 2 on hydraulic cylinder to the last one two-way hydraulic cylinder successively stretch out by sequence, and the piston rod 2 of both sides stretches out vertical make simultaneously
With on rock wall by rock break；After being split up, move back plug system work, hydraulic oil via drainback passage 20 successively oil return extremely
The piston rod 2 of fuel tank, both sides is retracted into hydraulic cylinder 3.
Claims (7)
1. a kind of hydraulic bidirectional cleaves stick, including stick shell (1) and hydraulic cylinder, multiple work for allowing hydraulic cylinder are opened up on stick shell (1)
The through-hole (15) that stopper rod stretches out；It is characterized in that, the hydraulic cylinder is two-way hydraulic cylinder (3), the both sides of stick shell (1) offer
Through-hole (15), longitudinally disposed multiple above-mentioned two-way hydraulic cylinders (3) in stick shell (1), each two-way hydraulic cylinder (3) and its is adjacent
Two-way hydraulic cylinder joins end to end, and all two-way hydraulic cylinders (3) share same oil inlet passage (18) and drainback passage in stick shell (1)
(20)；The two-way hydraulic cylinder (3) includes cylinder body (12), cylinder sleeve (5), piston rod (2) and sealing element, piston rod one (2.1) and
Piston rod two (2.2) is symmetrical arranged, and piston rod one (2.1) is mounted on the side of cylinder body (12), piston rod by cylinder sleeve one (5.1)
Two (2.2) are mounted on cylinder body (12) symmetrical other side, piston rod one (2.1) and piston rod two (2.2) by cylinder sleeve two (5.2)
Between composition plunger shaft (11), oil inlet passage (18) is arranged and in the side of plunger shaft (11) and passes through fuel feed hole (19) and plunger shaft
(11) it communicates, drainback passage (20) is arranged in the other side of plunger shaft (11) and passes through oil return hole (21) and plunger shaft (11) phase
Lead to, static seal between cylinder sleeve one (5.1) and cylinder sleeve two (5.2) and cylinder body (12), piston rod one (2.1) and cylinder sleeve one (5.1)
Between, equal dynamic sealing between piston rod two (2.2) and cylinder sleeve two (5.2), piston rod one (2.1) and piston rod two (2.2) are close
The end of plunger shaft is sealed by piston with sealing ring.
2. hydraulic bidirectional according to claim 1 cleaves stick, which is characterized in that opened up on the cylinder body of two-way hydraulic cylinder (3)
There are bolt hole (16), stay bolt (17) to pass through the bolt hole on two-way hydraulic cylinder (3) by multiple two-way hydraulic cylinders in stick shell (1)
It connects.
3. hydraulic bidirectional according to claim 2 cleaves stick, which is characterized in that the cylinder body of each two-way hydraulic cylinder (3)
(12) head end is equipped with groove (14), and tail end is equipped with boss (13), the size mutual cooperation of the groove (14) and boss (13).
4. hydraulic bidirectional according to claim 3 cleaves stick, which is characterized in that the dynamic sealing includes that super-pressure is back and forth transported
Dynamic seal ring (6) and baffle ring one (7), super-pressure reciprocating movement sealing circle (6) are separately mounted to cylinder sleeve one (5.1) and cylinder sleeve two
(5.2) it is limited inside groove and using baffle ring one (7).
5. hydraulic bidirectional according to claim 4 cleaves stick, which is characterized in that the static seal includes super-pressure static seal
It includes that super-pressure static sealing ring (8) is separately mounted at the inside groove of cylinder body (12) both sides simultaneously to enclose (8) and baffle ring two (9), static seal
It is limited using baffle ring two (9).
6. hydraulic bidirectional according to claim 5 cleaves stick, which is characterized in that the piston is that super-pressure is lived with sealing ring
Plug sealing ring (10).
7. the hydraulic bidirectional according to claim 1 to 6 any claim cleaves stick, which is characterized in that both sides cylinder sleeve (5)
End be mounted on double-lip dustband (4)；The both ends of stick shell (1) are respectively provided with end cover (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810686309.9A CN108591170A (en) | 2018-06-28 | 2018-06-28 | A kind of hydraulic bidirectional splitting stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810686309.9A CN108591170A (en) | 2018-06-28 | 2018-06-28 | A kind of hydraulic bidirectional splitting stick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591170A true CN108591170A (en) | 2018-09-28 |
Family
ID=63634811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810686309.9A Pending CN108591170A (en) | 2018-06-28 | 2018-06-28 | A kind of hydraulic bidirectional splitting stick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591170A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946342A (en) * | 2020-08-21 | 2020-11-17 | 郑波 | Splitting rod for coal mining and stone layer splitting method thereof |
| CN111963191A (en) * | 2020-08-31 | 2020-11-20 | 中铁工程装备集团有限公司 | Sealed cutterhead for drilling and splitting |
| CN111963188A (en) * | 2020-08-31 | 2020-11-20 | 中铁工程装备集团有限公司 | Anchor drill heading machine and construction method thereof |
| CN112502663A (en) * | 2020-12-09 | 2021-03-16 | 中国矿业大学 | Curtain grouting method based on directional hydraulic mechanical splitting technology |
| CN113356847A (en) * | 2021-07-14 | 2021-09-07 | 中铁工程装备集团有限公司 | Rock swelling and breaking equipment and rock swelling and breaking construction method for tunnel |
| CN113565504A (en) * | 2021-07-09 | 2021-10-29 | 中铁二十一局集团轨道交通工程有限公司 | Hydraulic rock breaking process capable of simultaneously splitting multiple points in drill hole |
| CN114017028A (en) * | 2021-10-25 | 2022-02-08 | 国能神东煤炭集团有限责任公司 | Rock stratum splitting equipment and tunnel top rock stratum splitting method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB574603A (en) * | 1944-02-15 | 1946-01-11 | Gullick Ltd | Improvements in or relating to pressure fluid operated devices |
| JPS6013194A (en) * | 1983-06-30 | 1985-01-23 | 大山 孝一 | Hard substance crushing apparatus |
| CN201218254Y (en) * | 2008-07-21 | 2009-04-08 | 泸州邦立液压有限责任公司 | Hydraulic cylinder of large excavator |
| CN203296775U (en) * | 2013-05-31 | 2013-11-20 | 潍坊亿宏重工机械有限公司 | Hydraulic rock splitting machine |
| CN104454751A (en) * | 2013-11-22 | 2015-03-25 | 梁汉根 | Suspension oil cylinder |
| CN204646238U (en) * | 2015-04-21 | 2015-09-16 | 重庆市博平液压机械有限公司 | The splitting rod of stone-splitter |
| CN106150499A (en) * | 2016-07-05 | 2016-11-23 | 重庆市博平液压机械有限公司 | Split splitting rod |
| CN106351658A (en) * | 2016-11-17 | 2017-01-25 | 安徽理工大学 | Multi-vibration-source hydraulic splitting machine |
| CN107263736A (en) * | 2017-08-15 | 2017-10-20 | 罗承良 | A kind of hydraulic pressure division rod and rock splitter |
-
2018
- 2018-06-28 CN CN201810686309.9A patent/CN108591170A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB574603A (en) * | 1944-02-15 | 1946-01-11 | Gullick Ltd | Improvements in or relating to pressure fluid operated devices |
| JPS6013194A (en) * | 1983-06-30 | 1985-01-23 | 大山 孝一 | Hard substance crushing apparatus |
| CN201218254Y (en) * | 2008-07-21 | 2009-04-08 | 泸州邦立液压有限责任公司 | Hydraulic cylinder of large excavator |
| CN203296775U (en) * | 2013-05-31 | 2013-11-20 | 潍坊亿宏重工机械有限公司 | Hydraulic rock splitting machine |
| CN104454751A (en) * | 2013-11-22 | 2015-03-25 | 梁汉根 | Suspension oil cylinder |
| CN204646238U (en) * | 2015-04-21 | 2015-09-16 | 重庆市博平液压机械有限公司 | The splitting rod of stone-splitter |
| CN106150499A (en) * | 2016-07-05 | 2016-11-23 | 重庆市博平液压机械有限公司 | Split splitting rod |
| CN106351658A (en) * | 2016-11-17 | 2017-01-25 | 安徽理工大学 | Multi-vibration-source hydraulic splitting machine |
| CN107263736A (en) * | 2017-08-15 | 2017-10-20 | 罗承良 | A kind of hydraulic pressure division rod and rock splitter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946342A (en) * | 2020-08-21 | 2020-11-17 | 郑波 | Splitting rod for coal mining and stone layer splitting method thereof |
| CN111963191A (en) * | 2020-08-31 | 2020-11-20 | 中铁工程装备集团有限公司 | Sealed cutterhead for drilling and splitting |
| CN111963188A (en) * | 2020-08-31 | 2020-11-20 | 中铁工程装备集团有限公司 | Anchor drill heading machine and construction method thereof |
| CN111963188B (en) * | 2020-08-31 | 2022-04-01 | 中铁工程装备集团有限公司 | Anchor drill heading machine and construction method thereof |
| CN112502663A (en) * | 2020-12-09 | 2021-03-16 | 中国矿业大学 | Curtain grouting method based on directional hydraulic mechanical splitting technology |
| CN113565504A (en) * | 2021-07-09 | 2021-10-29 | 中铁二十一局集团轨道交通工程有限公司 | Hydraulic rock breaking process capable of simultaneously splitting multiple points in drill hole |
| CN113356847A (en) * | 2021-07-14 | 2021-09-07 | 中铁工程装备集团有限公司 | Rock swelling and breaking equipment and rock swelling and breaking construction method for tunnel |
| CN114017028A (en) * | 2021-10-25 | 2022-02-08 | 国能神东煤炭集团有限责任公司 | Rock stratum splitting equipment and tunnel top rock stratum splitting method |
| CN114017028B (en) * | 2021-10-25 | 2023-09-15 | 国能神东煤炭集团有限责任公司 | Rock stratum splitting equipment and roof rock stratum splitting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108591170A (en) | A kind of hydraulic bidirectional splitting stick | |
| US9322397B2 (en) | Fracturing pump assembly and method thereof | |
| CA3014355A1 (en) | Rock drilling, swelling and chiselling integrated machine based on high-pressure foam medium | |
| CN109372424B (en) | Composite impact speed-increasing drilling tool for coiled tubing | |
| CN106150499B (en) | Fission splitting stick | |
| CN201636115U (en) | Mechanical self-locking hydraulic cylinder | |
| CN111173443A (en) | Double-liquid-drive rotary percussion drilling impactor and double-liquid-drive rotary percussion drilling method | |
| CN102126277A (en) | Injection molding mechanism with single cylinder | |
| CN109404246A (en) | A kind of Double-liquid mud-injection pump | |
| CN202248006U (en) | Novel hydraulic crushing hammer | |
| CN103557131A (en) | Multi-row-type fracturing pump | |
| CN106640073B (en) | Full Automatic Liquid presses off stone device | |
| CN103924920A (en) | Drilling tool safety device used during drilling | |
| CN104454751B (en) | suspension oil cylinder | |
| CN205260037U (en) | Hand -held type hydraulic pressure rendrock ware | |
| CN204082772U (en) | Combined type screw thread self-locking hydraulic jack | |
| CN201636130U (en) | Dual self-locking hydraulic cylinder | |
| CN101225738B (en) | Oil field down-hole rotary type mechanical transmission means | |
| CN204933619U (en) | A kind of rock cleavage frame head apparatus | |
| CN209430357U (en) | A kind of Double-liquid mud-injection pump | |
| CN203879499U (en) | Rocker arm and coal winning machine | |
| CN1020164C (en) | Automatic sealing device for sealing pressure fluid at orifice by friction | |
| CN111561260A (en) | Axial reversing rock drilling device with small structure | |
| CN205173110U (en) | Double -cylinder hydraulic pressure loading device | |
| CN204805218U (en) | Coordinated type pneumatic cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |
|
| RJ01 | Rejection of invention patent application after publication |