CN110285110A - A kind of composite hydraulic cylinder that wireless automatic control is flexible - Google Patents
A kind of composite hydraulic cylinder that wireless automatic control is flexible Download PDFInfo
- Publication number
- CN110285110A CN110285110A CN201910113401.0A CN201910113401A CN110285110A CN 110285110 A CN110285110 A CN 110285110A CN 201910113401 A CN201910113401 A CN 201910113401A CN 110285110 A CN110285110 A CN 110285110A
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- China
- Prior art keywords
- hydraulic cylinder
- wireless
- oil circuit
- way valve
- control
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 230000003068 static effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 35
- 230000009471 action Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- 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
-
- 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
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- 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
- F15B15/202—Externally-operated valves mounted in or on the actuator
-
- 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
- F15B15/26—Locking mechanisms
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- 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
- F15B15/26—Locking mechanisms
- F15B2015/268—Fluid supply for locking or release independent of actuator pressurisation
Abstract
The present invention relates to coal mine machinery technical field, specifically a kind of composite hydraulic cylinder that wireless automatic control is flexible.The hydraulic cylinder configures wireless trip sensor, wireless pressure sensor, arrangement oil circuit is respectively communicated with rod chamber, rodless cavity in piston rod, increase the forced area of piston rod assembly, to achieve the purpose that increase thrust hydraulic cylinder, hydraulic control one-way valve is integrated in cylinder bottom, has locking effect to rodless cavity, the signal that electric-control system transmits wireless trip sensor, wireless pressure sensor judges, to control the flexible of hydraulic cylinder.The technical program uses wireless sensor, built-in oil circuit and hydraulic control one-way valve, avoid the cable being connected with electric-control system and external hydraulic control one-way valve, exposed pipeline and lead to the phenomenon that damaging, improve the reliability of hydraulic cylinder.
Description
Technical field
The present invention relates to coal mine machinery technical field, specifically a kind of wireless automatic control is stretched compound hydraulic
Cylinder.
Background technique
As coal industry structural adjustment and transition and upgrade constantly promote, the high-productivity faces of 15Mt, 20Mt are produced per year
Construction will become coal industry technology development main flow direction.Large-scale Coal manufacturing enterprise starts to be laid out 8 meters and the above super large
Height mining face, fully-mechanized mining equipment gradually develop to enlargement, high-power direction, and the total installed capacity power of complete conveying equipment constantly mentions
It is high.In the severe working environment in underground, bastard coal and rock etc. are easy to exposed hydraulic control one-way valve, and the generations such as sebific duct destroy；
Simultaneously as the matched size limitation such as three machines, the thrust of conveyor telescopic tail one single telescopic hydraulic cylinder are not able to satisfy
Aircraft tail shelf stretches with tension chain.
Summary of the invention
The present invention provides a kind of wireless automatic control to overcome the shortcomings of the hydraulic cylinder technology of high-power conveyor telescopic machine tail
The flexible composite hydraulic cylinder of system, it is flexible with tension chain that thrust meets aircraft tail shelf, so that telescopic machine tail is stablized, reliably work
Make.
The technical solution adopted by the present invention to solve the technical problems is: automatic control that one kind is wireless is stretched compound hydraulic
Cylinder, configures wireless trip sensor 2, wireless pressure sensor 9, and built-in hydraulic control one-way valve 7 arranges oil circuit point on piston rod 3
Not Lian Tong hydraulic cylinder rod chamber and rodless cavity.
Described one kind is wireless to automatically control flexible composite hydraulic cylinder, and wireless trip sensor 2 is fixed on coupling head 1
Interior, the stroke of hydraulic cylinder passes to control system by 2 signal of wireless trip sensor.
Described one kind is wireless to automatically control flexible composite hydraulic cylinder, and threeway 8 is connected with hydraulic control one-way valve 7, wireless to press
Force snesor 9 is installed in threeway 8, real-time detection rodless cavity pressure, and signal passes to control system simultaneously, and safety valve 6 is installed
In in threeway 8, important protective effect is played to the use of hydraulic cylinder.
Described one kind is wireless to automatically control flexible composite hydraulic cylinder, and hydraulic control one-way valve 7 and oil circuit I 5, oil circuit II 15 collect
At in hydraulic cylinder, rodless cavity c, d are connected to by oil circuit I 5, and rod chamber e, g are connected to by flowing hole f, oil circuit II 15 with have bar
Chamber e is communicated, and 7 locking rodless cavity fluid path of hydraulic control one-way valve plays the role of pressure maintaining to hydraulic cylinder.
Described one kind is wireless to automatically control flexible composite hydraulic cylinder, and coupling head 1 is connected through a screw thread with piston rod assembly 4,
Arrange that static seal, piston rod 3 are connected through a screw thread with cylinder bottom 10 in its contact surface, static seal is arranged at screw thread both ends, prevents screw thread
Corrosion.
Described one kind is wireless to automatically control flexible composite hydraulic cylinder, it is characterised in that: quick connector I 11, fast grafting
First II 13 are connected through a screw thread with cylinder bottom 10 respectively, and contact surface arranges static seal, keep good leakproofness.
The beneficial effects of the present invention are: since hydraulic control one-way valve and oil circuit are integrated in hydraulic cylinder, it can be against damages.Electricity
Control system controls the flexible of hydraulic cylinder according to the signal of wireless trip sensor and wireless pressure sensor, and composite hydraulic cylinder increases
The forced area of big piston rod assembly greatly improves thrust compared to same size Normal hydraulic cylinder, configures safety valve, ensure that
The reliability of hydraulic cylinder.
Detailed description of the invention
Fig. 1 is a kind of flexible composite hydraulic cylinder structural schematic diagram of wireless automatic control of the invention.
Fig. 2 is hydraulic control one-way valve structural schematic diagram of the present invention.
As shown in the figure, 1, coupling head, 2, wireless trip sensor, 3, piston rod, 4, piston rod assembly, 5, oil circuit I, 6, peace
Full valve, 7, hydraulic control one-way valve, 8, threeway, 9, wireless pressure sensor, 10, cylinder bottom, 11, quick connector I, 12, oil inlet oil circuit a,
13, quick connector II, 14, oil inlet oil circuit b, 15, oil circuit II, 16, reaction magnetic ring, 17, cylinder body, c, d rodless cavity, e, g rod chamber,
F flowing hole.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings:
A kind of wireless composite hydraulic cylinder to stretch that automatically controls of the present invention: coupling head 1 and piston rod assembly 4 pass through screw thread
Connection arranges that static seal, wireless trip sensor 2 are fixed in coupling head 1 in its contact surface, and piston rod 3 passes through with cylinder bottom 10
It is threadedly coupled, static seal is arranged at screw thread both ends, arranges reaction magnetic ring 16 in piston rod 3, and oil circuit I 5, oil circuit II 15, nothing is arranged
Rod cavity c, d is connected to by oil circuit I 5, and rod chamber e, g are connected to by flowing hole f, and oil circuit II 15 is communicated with rod chamber e, hydraulic control list
It is built in cylinder bottom 10 to valve 7, setting oil inlet oil circuit a12, oil inlet oil circuit b14, oil inlet oil circuit a12 pass through hydraulic control list in cylinder bottom 10
It is connected to valve 7 with rodless cavity c, oil inlet oil circuit b14 approach hydraulic control one-way valve 7, oil circuit II 15 are connected to rod chamber e, and threeway 8 is installed
In on hydraulic control one-way valve 7, both ends connect safety valve 6 and wireless pressure sensor 9 respectively.
The wireless course of work for automatically controlling flexible composite hydraulic cylinder is: the phase of stroke sensor 2 and reaction magnetic ring 16
The signal generated to position is transmitted to control system by wireless trip sensor 2, and control system sentences its position according to signal
It is disconnected, carry out hydraulic cylinder action command.When hydraulic cylinder stretches out, hydraulic oil flows through hydraulic control from quick connector I 11 into oil inlet oil circuit a12
Check valve 7, hydraulic oil enters rodless cavity c approach oil circuit I 5 and reaches rodless cavity d stretching hydraulic cylinder, when oil cylinder extending action stops,
7 locking rodless cavity fluid path of hydraulic control one-way valve, plays the role of pressure maintaining to hydraulic cylinder；When hydraulic cylinder retracts, hydraulic oil is from fast grafting
First II 13 enter oil inlet oil circuit b14, and approach oil circuit II 15 enters rod chamber e, flows through flowing hole f and enter rod chamber g, meanwhile, liquid
Pressure oil pushes 7 spool of hydraulic control one-way valve, and rodless cavity c, d is connected with oil inlet oil circuit a12, rod chamber e, g feed liquor, rodless cavity c, d
Liquid is returned, hydraulic cylinder retracts, when stopping supply hydraulic fluid, 7 locking rodless cavity c, d fluid path of hydraulic control one-way valve.Wireless pressure sensor 9
Pressure in real-time monitoring rodless cavity c, d, pressure signal are transferred to control system, and control system judges pressure, carry out
Hydraulic cylinder action command；Safety valve 6 plays important protective effect to the use of hydraulic cylinder.
It should be appreciated that technical solution of the present invention is described in detail by preferred embodiment above be it is schematical rather than
Restrictive, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in
Within protection scope of the present invention.
Claims (6)
1. a kind of composite hydraulic cylinder that wireless automatic control is flexible, it is characterised in that: hydraulic cylinder configures wireless trip sensor
(2), wireless pressure sensor (9), built-in hydraulic control one-way valve (7) arrange that oil circuit is respectively communicated with hydraulic cylinder on piston rod (3)
Rod chamber and rodless cavity.
2. a kind of flexible composite hydraulic cylinder of wireless automatic control according to claim 1, it is characterised in that: wireless trip
Sensor (2) is fixed in coupling head (1), and the stroke of hydraulic cylinder passes to control system by wireless trip sensor (2) signal.
3. a kind of flexible composite hydraulic cylinder of wireless automatic control according to claim 1, it is characterised in that: threeway (8)
It is connected with hydraulic control one-way valve (7), wireless pressure sensor (9) is installed on threeway (8), real-time detection rodless cavity pressure, signal
Control system is passed to simultaneously, safety valve (6) is installed on threeway (8), plays important protective effect to the use of hydraulic cylinder.
4. a kind of flexible composite hydraulic cylinder of wireless automatic control according to claim 1, it is characterised in that: fluid-control one-way
Valve (7) and oil circuit I (5), oil circuit II (15) are integrated in hydraulic cylinder, and rodless cavity c, d are connected to by oil circuit I (5), rod chamber e, g
It is connected to by flowing hole f, oil circuit II (15) is communicated with rod chamber e, hydraulic control one-way valve (7) locking rodless cavity fluid path, to hydraulic cylinder
Play the role of pressure maintaining.
5. a kind of flexible composite hydraulic cylinder of wireless automatic control according to claim 1, it is characterised in that: coupling head
(1) it is connected through a screw thread with piston rod assembly (4), arranges static seal in its contact surface, piston rod (3) and cylinder bottom (10) pass through spiral shell
Line connection, screw thread both ends arrange static seal, prevent screw-thread rust.
6. a kind of flexible composite hydraulic cylinder of wireless automatic control according to claim 1, it is characterised in that: quick connector
I (11), quick connector II (13) are connected through a screw thread with cylinder bottom (10) respectively, and contact surface arranges static seal, are kept good
Leakproofness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113401.0A CN110285110A (en) | 2019-02-14 | 2019-02-14 | A kind of composite hydraulic cylinder that wireless automatic control is flexible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113401.0A CN110285110A (en) | 2019-02-14 | 2019-02-14 | A kind of composite hydraulic cylinder that wireless automatic control is flexible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110285110A true CN110285110A (en) | 2019-09-27 |
Family
ID=68001200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910113401.0A Pending CN110285110A (en) | 2019-02-14 | 2019-02-14 | A kind of composite hydraulic cylinder that wireless automatic control is flexible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110285110A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979780A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Hydraulic cylinder and engineering machine with hydraulic cylinder |
| CN203532390U (en) * | 2013-10-31 | 2014-04-09 | 长沙中联消防机械有限公司 | Hydraulic cylinder quick motion loop and engineering machine |
| DE102013102167A1 (en) * | 2013-03-05 | 2014-09-11 | Ewo Fluid Power Gmbh | Hydraulic cylinder with redundant safety valve system |
| CN104057797A (en) * | 2013-03-22 | 2014-09-24 | 刘胜 | Intelligent hydraulic suspension unit and control method thereof |
| CN105782164A (en) * | 2016-05-26 | 2016-07-20 | 中国人民解放军国防科学技术大学 | Multi-cavity hydraulic cylinder and control system and method thereof |
| CN107939773A (en) * | 2017-12-07 | 2018-04-20 | 中煤张家口煤矿机械有限责任公司 | A kind of high thrust is compound singly to stretch hydraulic cylinder |
| CN209638142U (en) * | 2019-02-14 | 2019-11-15 | 中煤张家口煤矿机械有限责任公司 | A kind of composite hydraulic cylinder that wireless automatic control is flexible |
-
2019
- 2019-02-14 CN CN201910113401.0A patent/CN110285110A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979780A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Hydraulic cylinder and engineering machine with hydraulic cylinder |
| DE102013102167A1 (en) * | 2013-03-05 | 2014-09-11 | Ewo Fluid Power Gmbh | Hydraulic cylinder with redundant safety valve system |
| CN104057797A (en) * | 2013-03-22 | 2014-09-24 | 刘胜 | Intelligent hydraulic suspension unit and control method thereof |
| CN203532390U (en) * | 2013-10-31 | 2014-04-09 | 长沙中联消防机械有限公司 | Hydraulic cylinder quick motion loop and engineering machine |
| CN105782164A (en) * | 2016-05-26 | 2016-07-20 | 中国人民解放军国防科学技术大学 | Multi-cavity hydraulic cylinder and control system and method thereof |
| CN107939773A (en) * | 2017-12-07 | 2018-04-20 | 中煤张家口煤矿机械有限责任公司 | A kind of high thrust is compound singly to stretch hydraulic cylinder |
| CN209638142U (en) * | 2019-02-14 | 2019-11-15 | 中煤张家口煤矿机械有限责任公司 | A kind of composite hydraulic cylinder that wireless automatic control is flexible |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |