CN108750977A - A kind of manual-operated emergent release system - Google Patents
A kind of manual-operated emergent release system Download PDFInfo
- Publication number
- CN108750977A CN108750977A CN201810386007.XA CN201810386007A CN108750977A CN 108750977 A CN108750977 A CN 108750977A CN 201810386007 A CN201810386007 A CN 201810386007A CN 108750977 A CN108750977 A CN 108750977A
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- China
- Prior art keywords
- valve
- shut
- hydraulic fluid
- fluid port
- manual
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
-
- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
Abstract
The invention discloses a kind of manual-operated emergents to discharge system.The manual-operated emergent discharges system：Manual pump, the first shut-off valve, the second shut-off valve, third shut-off valve, the 5th shut-off valve, shuttle valve and balanced valve, first hydraulic fluid port of manual pump is connected to fuel tank, second hydraulic fluid port of manual pump is connected to the first hydraulic fluid port of the first shut-off valve, second hydraulic fluid port of the first shut-off valve is connected to the rod chamber of the first hydraulic fluid port of the second shut-off valve and the brake oil cylinder of extra large work crane respectively, and the second hydraulic fluid port of the second shut-off valve is connected to the oil outlet of shuttle valve.Hydraulic oil in fuel tank is sucked out manual pump, hydraulic oil is output to from outflow in fuel tank and by the first shut-off valve in the rod chamber of brake oil cylinder, to open brake oil cylinder, at this time, slowly open third shut-off valve, make the first actuator port of motor and two oil communications of the second actuator port of motor, motor that can slowly invert, to which skyborne cargo will be suspended in midair or personnel drop at a slow speed ground.
Description
Technical field
The present invention relates to hydraulic valve bank field, more particularly to a kind of manual-operated emergent discharges system.
Background technology
Extra large work crane is the important component of marine ship auxiliary products.
Extra large work crane often carries out slinging work in the marine of bad environments, and operation is frequent and intensity is big, this makes pair
The reliability and safety of extra large work crane is more demanding.
Extra large work crane in use, can be potentially encountered emergency, cause cargo or personnel to suspend in mid air, nothing
Method transfers to deck or harbour, to threaten the safety of staff and cargo.
Invention content
In order to solve the problems, such as that in case of emergency extra large work crane can not transfer, an embodiment of the present invention provides a kind of hands
Dynamic emergent release system.The technical solution is as follows：
An embodiment of the present invention provides a kind of manual-operated emergents to discharge system, and the manual-operated emergent release system includes：Manually
Pump, the first shut-off valve, the second shut-off valve, third shut-off valve, shuttle valve and balanced valve, the first hydraulic fluid port and the fuel tank of the manual pump connect
Logical, the second hydraulic fluid port of the manual pump is connected to the first hydraulic fluid port of first shut-off valve, the second oil of first shut-off valve
Mouth is connected to the rod chamber of the first hydraulic fluid port of the second shut-off valve and the brake oil cylinder of extra large work crane respectively, second shut-off valve
The second hydraulic fluid port be connected to the oil outlet of the shuttle valve, A mouthfuls of the oil inlet of the shuttle valve is connected to the A of balanced valve mouths, described
B mouthfuls of the oil inlet of shuttle valve is connected to X mouthfuls of the control oil of the balanced valve, the B mouths of the balanced valve and the of the third shut-off valve
One hydraulic fluid port is connected to, and X mouthfuls of the oil of control of the balanced valve is connected to the second hydraulic fluid port of the third shut-off valve, the third shut-off valve
The first hydraulic fluid port be connected to the first actuator port of the motor of extra large work crane, the second hydraulic fluid port of the third shut-off valve with it is described
Second actuator port of motor is connected to.
Specifically, the manual-operated emergent release system further includes the 4th shut-off valve, the first hydraulic fluid port of the 4th shut-off valve
It is connected to hydraulic power unit, the second hydraulic fluid port of the 4th shut-off valve is connected to the second actuator port of the motor.
Specifically, the rated pressure of the manual pump is 3.3~3.6MPa.
Specifically, damping hole is offered on the oil circuit of the first oil port of the third shut-off valve.
Further, the aperture of the damping hole is 0.7~0.9mm.
Specifically, the manual-operated emergent release system further includes the 5th shut-off valve, the first hydraulic fluid port of the 5th shut-off valve
It is connected to X mouthfuls of the control oil of the balanced valve, the second hydraulic fluid port of the 5th shut-off valve and the second oil of the third shut-off valve
Mouth connection.
Further, manual-operated emergent release system further includes throttle valve, the first hydraulic fluid port of the throttle valve with it is described
First hydraulic fluid port of the 5th shut-off valve is connected to, and the second hydraulic fluid port of the throttle valve is connected to for X mouthfuls with the control oil of the balanced valve.
Specifically, the balanced valve is two position two-way valve, and balance check valve is provided in the balanced valve and balance throttles
Valve, when the balanced valve is in first state, the oil inlet of the balance check valve is connected to the A of balanced valve mouths, institute
The oil outlet for stating balance check valve is connected to the B of balanced valve mouths, when the balanced valve is in the second state, the balance
First hydraulic fluid port of throttle valve is connected to the A of balanced valve mouths, the B of the second hydraulic fluid port and the balanced valve of the balance throttle valve
Mouth connection.
Specifically, first shut-off valve, second shut-off valve and the third shut-off valve are Oblique Stop Valves.
Specifically, the third shut-off valve is hand stop valve.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：Manual-operated emergent provided in an embodiment of the present invention
Release system, can be when extra large work crane needs urgent release cargo or personnel, and the hydraulic oil in fuel tank is sucked out manual pump,
Hydraulic oil is from the rod chamber for the brake oil cylinder for being flowed out in fuel tank and being output to extra large work crane by the first shut-off valve, to beat
Open brake oil cylinder.At this point, slowly opening third shut-off valve, make the first actuator port of motor and the second actuator port two of motor
Oil communication, motor can be inverted slowly, to suspend skyborne cargo in midair or personnel drop at a slow speed ground.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the hydraulic schematic diagram of manual-operated emergent release system provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
An embodiment of the present invention provides a kind of manual-operated emergents to discharge system, as shown in Figure 1, the manual-operated emergent discharges system packet
It includes：Manual pump 1, the first shut-off valve 2, the second shut-off valve 3, third shut-off valve 4, shuttle valve 5 and balanced valve 6, the first oil of manual pump 1
Mouth is connected to fuel tank a, and the second hydraulic fluid port of manual pump 1 is connected to the first hydraulic fluid port of the first shut-off valve 2, and the second of the first shut-off valve 2
Hydraulic fluid port is connected to the rod chamber b of the first hydraulic fluid port of the second shut-off valve 3 and the brake oil cylinder of extra large work crane respectively, the second shut-off valve
3 the second hydraulic fluid port is connected to the oil outlet of shuttle valve 5, and A mouthfuls of the oil inlet of shuttle valve 5 is connected to the A of balanced valve 6 mouths, the oil inlet B of shuttle valve 5
Mouth is connected to X mouthfuls of the control oil of balanced valve 6, and the B mouths of balanced valve 6 are connected to the first hydraulic fluid port of third shut-off valve 4, balanced valve 6
X mouthfuls of oil of control is connected to the second hydraulic fluid port of third shut-off valve 4, the motor c of the first hydraulic fluid port of third shut-off valve 4 and extra large work crane
The first actuator port A connection, the second hydraulic fluid port of third shut-off valve 4 is connected to the second actuator port B of motor c.
Specifically, manual-operated emergent release system further includes the 4th shut-off valve 7, the first hydraulic fluid port and liquid of the 4th shut-off valve 7
The (not shown) connection of press pump station, the second hydraulic fluid port of the 4th shut-off valve 7 are connected to the second actuator port B of motor c.As motor c
When normal work, the 4th shut-off valve 7 is in an open state, and the 4th shut-off valve 7 by hydraulic power unit by unlatching can be motor c
The second actuator port B fuel feeding, be used for motor c reversion, when carry out manual-operated emergent release, and weight suspention in the air when, then
It needs to close the 4th shut-off valve 7, the hydraulic oil at the second actuator port B of 7 closed motor c of the 4th shut-off valve so that hydraulic oil
It can flow to the first actuator port A of motor c by the second actuator port B of motor c, motor is made slowly to invert, to suspend in midair
Skyborne weight is slowly dropped to ground.
Specifically, third shut-off valve 4 is hand stop valve.Third shut-off valve 4 is slowly opened by operating personnel, ensures to flow through
The hydraulic oil of third shut-off valve 4 has lower flow velocity, to enable motor c slowly to open, and then crane is enable to delay
The cargo to suspend in mid air or personnel are slowly drop to safety place.
Specifically, the rated pressure of manual pump 1 can be 3.3~3.6MPa.In the present embodiment, manual pump 1 is specified
Pressure is 3.5MPa.The pressure can ensure that the fluid that manual pump 1 provides can open brake.
Specifically, damping hole 8 is offered on the oil circuit of the first oil port of third shut-off valve 4.The damping hole 8 can reduce
The oil duct openings of sizes of oil circuit where it, to ensure that fluid flows slowly into motor c, to enable motor c slowly to act.Together
When, the phenomenon that fluid is not in quick backflow so that cargo or personnel can slowly land safely.
Further, the aperture of damping hole 8 can be 0.7~0.9mm.In the present embodiment, the aperture of damping hole 8 can be with
For 0.8mm.The damping hole 8 in the aperture is capable of providing good damping.
Specifically, manual-operated emergent release system can also include the 5th shut-off valve 9, the first hydraulic fluid port of the 5th shut-off valve 9
It is connected to X mouthfuls of the control oil of balanced valve 6, the second hydraulic fluid port of the 5th shut-off valve 9 is connected to the second hydraulic fluid port of third shut-off valve 4.It should
5th shut-off valve 9 is used to control the connection of X mouthfuls of the oil of control of balanced valve 6.Can be to avoid extra large work crane in carry weight, it can
Can the balanced valve 6 that can occur because can not pressurize due to the driving that occurs (winch of extra large work crane is fast with the whereabouts of carry weight
Speed rotation) the case where.
Further, manual-operated emergent release system can also include throttle valve 10, the first hydraulic fluid port of throttle valve 10 and the 5th
First hydraulic fluid port of shut-off valve 9 is connected to, and the second hydraulic fluid port of throttle valve 10 is connected to for X mouthfuls with the control oil of balanced valve 6.Throttle valve 10 can
Control flows into the flow trim of the fluid of X mouthfuls of the oil of control of balanced valve 6, avoids X mouthfuls of the control oil of balanced valve 6 because by larger
Flow attack and be damaged.
Specifically, balanced valve 6 can be two position two-way valve, and balance check valve 11 is provided in balanced valve 6 and balance throttles
Valve 12, when balanced valve 6 is in first state, the oil inlet of balance check valve 11 is connected to the A of balanced valve 6 mouths, and balance is unidirectional
The oil outlet of valve 11 is connected to the B of balanced valve 6 mouths, when balanced valve 6 is in the second state, balances the first hydraulic fluid port of throttle valve 12
It is connected to the A of balanced valve 6 mouths, the second hydraulic fluid port of balance throttle valve 12 is connected to the B of balanced valve 6 mouths.First state refers to working as
When X mouthfuls of the control oil of balanced valve 6 is connected to manual pump 1, and the spring force of balanced valve 6 is less than X mouthfuls of the oil of control of balanced valve 6
When hydraulic fluid pressure, balance throttle valve 12 the first hydraulic fluid port balanced valve 6 A mouths connection, balance throttle valve 12 the second hydraulic fluid port and
The B mouths of balanced valve 6 are connected to；Second state refers to that when X mouthfuls of the control oil of balanced valve 6 is not connected to manual pump 1, balance is unidirectional
The oil outlet of valve 11 is connected to the B of balanced valve 6 mouths, and the oil outlet of balance check valve 11 is connected to the B of balanced valve 6 mouths.
Specifically, the first shut-off valve 2, the second shut-off valve 3 and third shut-off valve 4 all can be Oblique Stop Valves.This is straight
Streaming shut-off valve can reduce the pressure loss.
The operation principle of manual-operated emergent release system provided in an embodiment of the present invention is following is a brief introduction of, specifically such as
Under：
When extra large work crane is during lifting cargo, when can not be continuing with because being in an emergency, need tight
Anxious release cargo or personnel open the first shut-off valve 2 at this point, closing the second shut-off valve 3 and the 5th shut-off valve 9, operate manual pump
1, make manual pump 1 that the hydraulic oil in fuel tank a to be sucked out, and make 1 persistent pressure of manual pump to 3.5MPa.Hydraulic oil is from fuel tank a
It flows out and passes through in the rod chamber b for the brake oil cylinder that the first shut-off valve 2 is output to extra large work crane, to open brake oil cylinder.
At this point, slowly opening third shut-off valve 4, make two oil circuits of the second actuator port B of the first actuator port A and motor c of motor c
Connection, motor c can be rotated to the few side of hydraulic oil, so that motor c is slowly inverted, to suspend skyborne cargo in midair
Or personnel drop at a slow speed ground, when the hydraulic oil of outflow flow to shuttle valve 5 A mouthfuls of oil inlet or shuttle valve 5 B mouthfuls of oil inlet after, by
The oil outlet of shuttle valve 5 flows out, at this point, closing shut-off valve (not shown) self-contained in manual pump 1 so that hydraulic oil can
It is flowed back in fuel tank a by manual pump 1.
Manual-operated emergent provided in an embodiment of the present invention discharges system, can extra large work crane need urgent release cargo or
When personnel, the hydraulic oil in fuel tank is sucked out manual pump, and hydraulic oil flows out from fuel tank and is output to sea by the first shut-off valve
In the rod chamber of the brake oil cylinder of work crane, to open brake oil cylinder.At this point, slowly opening third shut-off valve, make motor
The first actuator port and motor two oil communications of the second actuator port, motor can invert slowly, to be suspended in sky
In cargo or personnel drop to ground at a slow speed.The manual-operated emergent discharges stable system performance, and safety coefficient is high, operation side
Just, it can be widely applied in extra large work crane facility.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of manual-operated emergent discharges system, which is characterized in that the manual-operated emergent discharges system and includes：Manual pump, first section
First hydraulic fluid port of only valve, the second shut-off valve, third shut-off valve, shuttle valve and balanced valve, the manual pump is connected to fuel tank, the hand
Second hydraulic fluid port of dynamic pump is connected to the first hydraulic fluid port of first shut-off valve, and the second hydraulic fluid port of first shut-off valve is respectively with the
First hydraulic fluid port of two shut-off valves is connected to the rod chamber of the brake oil cylinder of extra large work crane, the second hydraulic fluid port of second shut-off valve
It is connected to the oil outlet of the shuttle valve, A mouthfuls of the oil inlet of the shuttle valve is connected to the A of balanced valve mouths, the oil inlet B of the shuttle valve
Mouth is connected to X mouthfuls of the control oil of the balanced valve, and the B mouths of the balanced valve are connected to the first hydraulic fluid port of the third shut-off valve,
X mouthfuls of the oil of control of the balanced valve is connected to the second hydraulic fluid port of the third shut-off valve, the first hydraulic fluid port of the third shut-off valve
It is connected to the first actuator port of the motor of extra large work crane, the second hydraulic fluid port of the third shut-off valve and the second of the motor
Actuator port is connected to.
2. manual-operated emergent according to claim 1 discharges system, which is characterized in that the manual-operated emergent release system is also wrapped
The 4th shut-off valve is included, the first hydraulic fluid port of the 4th shut-off valve is connected to hydraulic power unit, the second hydraulic fluid port of the 4th shut-off valve
It is connected to the second actuator port of the motor.
3. manual-operated emergent according to claim 1 discharges system, which is characterized in that the rated pressure of the manual pump is
3.3~3.6MPa.
4. manual-operated emergent according to claim 1 discharges system, which is characterized in that the first hydraulic fluid port of the third shut-off valve
Damping hole is offered on the oil circuit at place.
5. manual-operated emergent according to claim 4 discharges system, which is characterized in that the aperture of the damping hole is 0.7~
0.9mm。
6. manual-operated emergent according to claim 1 discharges system, which is characterized in that the manual-operated emergent release system is also wrapped
The 5th shut-off valve is included, the first hydraulic fluid port of the 5th shut-off valve is connected to X mouthfuls of the control oil of the balanced valve, the 5th cut-off
Second hydraulic fluid port of valve is connected to the second hydraulic fluid port of the third shut-off valve.
7. manual-operated emergent according to claim 6 discharges system, which is characterized in that the manual-operated emergent release system is also wrapped
Throttle valve is included, the first hydraulic fluid port of the throttle valve is connected to the first hydraulic fluid port of the 5th shut-off valve, and the second of the throttle valve
Hydraulic fluid port is connected to X mouthfuls of the control oil of the balanced valve.
8. manual-operated emergent according to claim 1 discharges system, which is characterized in that the balanced valve is two position two-way valve,
Balance check valve and balance throttle valve, when the balanced valve is in first state, the balance are provided in the balanced valve
The oil inlet of check valve is connected to the A of balanced valve mouths, and the B mouths of the oil outlet and the balanced valve of the balance check valve connect
Logical, when the balanced valve is in the second state, the first hydraulic fluid port of the balance throttle valve is connected to the A of balanced valve mouths,
Second hydraulic fluid port of the balance throttle valve is connected to the B of balanced valve mouths.
9. manual-operated emergent according to claim 1 discharges system, which is characterized in that first shut-off valve, described second
Shut-off valve and the third shut-off valve are Oblique Stop Valves.
10. manual-operated emergent according to claim 1 discharges system, which is characterized in that the third shut-off valve is to cut manually
Only valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810386007.XA CN108750977A (en) | 2018-04-26 | 2018-04-26 | A kind of manual-operated emergent release system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810386007.XA CN108750977A (en) | 2018-04-26 | 2018-04-26 | A kind of manual-operated emergent release system |
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| Publication Number | Publication Date |
|---|---|
| CN108750977A true CN108750977A (en) | 2018-11-06 |
Family
ID=64011859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810386007.XA Pending CN108750977A (en) | 2018-04-26 | 2018-04-26 | A kind of manual-operated emergent release system |
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| Country | Link |
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| CN (1) | CN108750977A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1579673A (en) * | 2003-08-06 | 2005-02-16 | 机械工业部西安重型机械研究所 | Pans four-cylinder hydraulic lifting device |
| CN101315087A (en) * | 2008-06-05 | 2008-12-03 | 中冶华天工程技术有限公司 | Hydraulic system of blast furnace gun |
| CN203754275U (en) * | 2014-01-02 | 2014-08-06 | 武汉船用机械有限责任公司 | Emergency release device for crane |
| CN204828091U (en) * | 2015-08-14 | 2015-12-02 | 攀钢集团西昌钢钒有限公司 | Pushing ram emergency system |
-
2018
- 2018-04-26 CN CN201810386007.XA patent/CN108750977A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1579673A (en) * | 2003-08-06 | 2005-02-16 | 机械工业部西安重型机械研究所 | Pans four-cylinder hydraulic lifting device |
| CN101315087A (en) * | 2008-06-05 | 2008-12-03 | 中冶华天工程技术有限公司 | Hydraulic system of blast furnace gun |
| CN203754275U (en) * | 2014-01-02 | 2014-08-06 | 武汉船用机械有限责任公司 | Emergency release device for crane |
| CN204828091U (en) * | 2015-08-14 | 2015-12-02 | 攀钢集团西昌钢钒有限公司 | Pushing ram emergency system |
Non-Patent Citations (1)
| Title |
|---|
| 第一机械工业部机械研究院机电研究所等: "《机械工程手册 第34篇 液压传动》", 30 September 1977, 机械工业出版社 * |
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Application publication date: 20181106 |
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