CN104444756B - A kind of slow discharger of segmentation - Google Patents
A kind of slow discharger of segmentation Download PDFInfo
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- CN104444756B CN104444756B CN201410586786.XA CN201410586786A CN104444756B CN 104444756 B CN104444756 B CN 104444756B CN 201410586786 A CN201410586786 A CN 201410586786A CN 104444756 B CN104444756 B CN 104444756B
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- 230000011218 segmentation Effects 0.000 title claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 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 23
- 239000000725 suspension Substances 0.000 claims description 23
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 230000010355 oscillation Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 200
- 230000007246 mechanism Effects 0.000 description 18
- 230000005484 gravity Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000036962 time dependent Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 125000002015 acyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/021—Installations or systems with accumulators used for damping
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Jib Cranes (AREA)
Abstract
A kind of slow discharger of segmentation, including autocoupler, also includes retarder, autocoupler is positioned at the lower section of retarder, autocoupler is connected with retarder, retarder be arranged over spring feeler lever, be provided with the hydraulic circuit for controlling retarder hydraulic coupling in retarder.The present invention is by reducing retarder hydraulic coupling stage by stage, it is gradually reduced the pulling force of wire rope suspensioning weight, the release of weight step is transformed into notch cuttype slowly transfer, reduce the weight release impact to system, crane arm bounce-back is little, and steel wire rope disorder cable probability is low, and hook device abrasion is little, complete machine oscillation is little, long working life.
Description
Technical field
The present invention relates to a kind of slow discharger of segmentation.
Background technology
Impulse machine refer to mechanical system or a part therein by suddenly, drastically, acyclic excitation time, occur
Time be very faster than the abrupt change of state of the system natural period of oscillation, such as continuous wall grab, dynamic compaction machinery.Dynamic compaction machinery relies on height
Empty release tension weight churning Ground Operation, will be promoted to tens of meters of high-altitudes instantaneous relase by weight.At present, the release of weight high-altitude is main
Uncoupling rigging operation to be used, typical case's uncoupling rigging has mechanical detacher, autocoupler and hydraulic detacher three kinds.
Existing mechanical decoupling device utilizes the self-locking performance at mechanism dead point that tens of tons of weights are promoted to tens of meters of high-altitudes, passes through
Steel wire rope tractive makes mechanism cross dead point instantaneous relase weight.When applying this device, the weight of tens of tons and hoisting mechanism wink
Time disengage, promote the lineoutofservice signal pull of weight from rated value step to zero, the potential energy of hoisting mechanism storage discharges immediately, easily occurs
Crane arm acutely rebounds, the dangerous situations such as jib fiercelyed attack by complete machine hypsokinesis, hoist rope disorder cable, suspension hook, there is certain safety
Hidden danger；Hoisting mechanism and crane arm under the fierce impact of many frequencys, also easily recurring structure fatigue rupture.
Relative to mechanical decoupling device, inside autocoupler, comprise multi-disc spring hook bolt, can be by internal spring hook bolt
Automatically catch on gib head, it is achieved automatic coupling, stick Quick release spring hook bolt can be passed through, it is achieved automatically-unhooked, but apply this
When one device is automatically-unhooked, the lineoutofservice signal pull moment vanishing of suspention autocoupler, there is acutely bounce-back in crane.
Autocoupler and hydraulic jack are combined by hydraulic detacher by quadric chain, utilize the fortune of cylinder piston rod
Dynamic raising unhook speed, it is possible to solve mechanism and cross lumbering problem during dead point, but hydraulic detacher relies on solenoid directional control valve
Commutation switching oil circuit controls cylinder movement, the hydraulic coupling abrupt release in oil cylinder, the lineoutofservice signal pull wink of suspention hydraulic detacher
Between step to zero, the most instantaneous transition of lineoutofservice signal pull brings fierce impact to crane.
Summary of the invention
The technical problem to be solved is, overcomes the deficiency of above-mentioned background technology, it is provided that a kind of crane arm bounce-back
Little, steel wire rope disorder cable probability is low, hook device abrasion little, complete machine oscillation is little, the slow discharger of the segmentation of long working life.
The present invention solves its technical problem and employed technical scheme comprise that, a kind of slow discharger of segmentation, including automatically hanging
Hook device, also includes that retarder, described autocoupler are positioned at the lower section of retarder, and autocoupler is connected with retarder, slowly
Device be arranged over spring feeler lever, be provided with the hydraulic circuit for controlling retarder hydraulic coupling in described retarder.
Further, described retarder includes pedestal, and the top of pedestal is provided with suspension ring and the first switch, the lower section of described pedestal
Be provided with all be connected with pedestal accumulator, oil cylinder, accumulator, the lower section of described oil cylinder is provided with wedge shape collision block, wedge shape collision block and oil
The piston rod of cylinder is connected；The lower section of described accumulator is provided with valve block, and described first switch is electrically connected with valve block.
Further, the quantity of described oil cylinder is at least one, when the quantity of described oil cylinder is more than one, in parallel between oil cylinder
Connect.
Further, it is additionally provided with sunshading cover, described suspension ring and the first switch between described pedestal and suspension ring and is positioned at sunshading cover
Top exterior walls, described pedestal is positioned at the top inner wall of sunshading cover, and described accumulator, oil cylinder, accumulator, valve block are positioned at sunshading cover
In.
Further, described autocoupler includes that stick, stick are positioned at the lower section of wedge shape collision block, and described stick leads to
Crossing unhook rope to be connected with oil cylinder, the lower section of described stick is provided with hook bolt, and the lower section of hook bolt is provided with gib head.
Further, described hydraulic circuit includes safety oil-way, oil circuit control, through-flow oil circuit and oil return circuit.
Further, described valve block includes inserted valve, check valve, solenoid directional control valve, overflow valve and relief valve；
Described relief valve is serially connected between oil cylinder and accumulator, and the oil-in of relief valve is connected with the rod chamber of oil cylinder, peace
The oil-out of full valve is connected with accumulator, forms safety oil-way；
Described solenoid directional control valve is attempted by relief valve two ends after contacting with overflow valve, the oil-in of solenoid directional control valve and oil cylinder
Rod chamber be connected, the oil-out of solenoid directional control valve is connected with the oil-in of overflow valve, the oil-out of overflow valve and accumulator phase
Even, oil circuit control is formed；
The oil-in of described inserted valve is connected with the rod chamber of oil cylinder, and the oil-out of inserted valve is connected with accumulator, plug-in mounting
The end that controls of valve is connected with the oil-in of relief valve, forms through-flow oil circuit；
Described check valve is serially connected between oil cylinder and accumulator, and the oil-out of check valve is connected with the rod chamber of oil cylinder, single
It is connected with accumulator to the oil-in of valve, forms oil return circuit.
Further, the quantity of described oil circuit control is one, is the first oil circuit control, and described first switch controls with first
The solenoid directional control valve electrical connection of oil circuit, for controlling the on/off of the solenoid directional control valve of the first oil circuit control.
Further, the lower section of described valve block is provided with at least one switch, and described switch is electrically connected with valve block.
Further, the lower section of described valve block is provided with a switch, and for second switch, the quantity of described oil circuit control is two
Bar, is divided into the first oil circuit control and the second oil circuit control, and described first switch is electric with the solenoid directional control valve of the first oil circuit control
Connect, for controlling the on/off of the solenoid directional control valve of the first oil circuit control；Described second switch and the second oil circuit control
Solenoid directional control valve is electrically connected, for controlling the on/off of the solenoid directional control valve of the second oil circuit control.
Further, the lower section of described valve block is provided with two switches, respectively second switch and the 3rd switch, and described second opens
Pass is positioned at above the 3rd switch and is positioned on same vertical direction, and the vertical length of described wedge shape collision block is more than second switch and the
Distance between three switches；The quantity of described oil circuit control is three, is divided into the first oil circuit control, the second oil circuit control and the 3rd
Oil circuit control, described first switch and the solenoid directional control valve electrical connection of the first oil circuit control, be used for controlling the first oil circuit control
The on/off of solenoid directional control valve；The solenoid directional control valve electrical connection of described second switch and the second oil circuit control, is used for controlling
Make the on/off of the solenoid directional control valve of the second oil circuit control；Described 3rd switch is electric with the solenoid directional control valve of the 3rd oil circuit control
Gas connects, for controlling the on/off of the solenoid directional control valve of the 3rd oil circuit control.
Further, the lower section of described valve block is provided with three switches, respectively second switch, the 3rd switch and the 4th switch,
Described second switch is positioned at the top of the 3rd switch, and described 3rd switch is positioned at the top of the 4th switch, and three switches are positioned at
On same vertical direction, the adjacent distance between two switches is identical, and the vertical length of described wedge shape collision block is more than adjacent two
Distance between switch；The quantity of described oil circuit control is four, is divided into the first oil circuit control, the second oil circuit control, the 3rd control
Liquefaction road and the 4th oil circuit control, described first switch and the solenoid directional control valve electrical connection of the first oil circuit control, be used for controlling
The on/off of the solenoid directional control valve of the first oil circuit control；The solenoid directional control valve of described second switch and the second oil circuit control is electric
Connect, for controlling the on/off of the solenoid directional control valve of the second oil circuit control；Described 3rd switch and the 3rd oil circuit control
Solenoid directional control valve is electrically connected, for controlling the on/off of the solenoid directional control valve of the 3rd oil circuit control；Described 4th switch with
The solenoid directional control valve electrical connection of the 4th oil circuit control, for controlling the on/off of the solenoid directional control valve of the 4th oil circuit control.
Further, described first switch, second switch, the 3rd switch, the 4th switch for travel switch or proximity switch or
Infrared inductor.
Compared with prior art, advantages of the present invention is as follows:
It is provided with retarder, in retarder, is provided with the hydraulic circuit for controlling retarder hydraulic coupling, do not change existing
Under conditions of heavy-duty machine structure and drive system, by reducing retarder hydraulic coupling stage by stage, it is gradually reduced wire rope suspensioning weight
Pulling force, the release of weight step is transformed into notch cuttype is slowly transferred, reduces the weight release impact to system, crane arm rebounds
Little, steel wire rope disorder cable probability is low, and hook device abrasion is little, and complete machine oscillation is little, long working life.
Accompanying drawing explanation
Fig. 1 is the mechanical construction drawing of embodiment 1.
Fig. 2 is the hydraulic schematic diagram of embodiment 1.
Fig. 3 is the time dependent schematic diagram of pulling force of the wire rope suspensioning weight of embodiment 1.
Fig. 4 is the mechanical construction drawing of embodiment 2.
Fig. 5 is the hydraulic schematic diagram of embodiment 2.
Fig. 6 is the time dependent schematic diagram of pulling force of the wire rope suspensioning weight of embodiment 2.
Fig. 7 is the mechanical construction drawing of embodiment 3.
Fig. 8 is the hydraulic schematic diagram of embodiment 3.
Fig. 9 is the time dependent schematic diagram of pulling force of the wire rope suspensioning weight of embodiment 3.
Figure 10 is the mechanical construction drawing of embodiment 4.
Figure 11 is the hydraulic schematic diagram of embodiment 4.
Figure 12 is the time dependent schematic diagram of pulling force of the wire rope suspensioning weight of embodiment 4.
In figure: 1 retarder, 2 autocouplers, 3 gib heads, 4 hook bolts, 5 sticks, 6 wedge shape collision blocks,
7 first switches, 8 valve blocks, 9 accumulator, 10 oil cylinders, 11 spring feeler levers, 12 suspension ring, 13 pedestals, 14 store
Energy device, 15 sunshading covers, 16 break off relations restricts, 17 springs, 18 inserted valves, 19 check valves, 20 solenoid directional control valves, and 21
Overflow valve, 22 relief valve, 23 second switches, 24 the 3rd switches, 25 the 4th switches.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by specific embodiment.
Embodiment 1
With reference to Fig. 1, the slow discharger of segmentation of the present embodiment includes retarder 1 and autocoupler 2, autocoupler
2 lower sections being positioned at retarder 1, autocoupler 2 is connected with retarder 1, retarder 1 be arranged over spring feeler lever 11；Slowly
The hydraulic circuit for controlling retarder 1 hydraulic coupling it is provided with in device 1.
Retarder 1 includes that pedestal 13, the top of pedestal 13 are provided with suspension ring 12 and the first switch 7, and the lower section of pedestal 13 is provided with
The accumulator 14 that is all connected with pedestal 13, oil cylinder 10, accumulator 9, the lower section of oil cylinder 10 is provided with wedge shape collision block 6, wedge shape collision block 6 with
The piston rod of oil cylinder 10 is connected；The lower section of accumulator 9 is provided with valve block 8, and the first switch 7 is electrically connected with valve block 8.
The quantity of oil cylinder 10 is one.
Being additionally provided with sunshading cover 15 between pedestal 13 and suspension ring 12, suspension ring 12 and the first switch 7 are positioned at the top of sunshading cover 15
Outer wall, pedestal 13 is positioned at the top inner wall of sunshading cover 15, and accumulator 14, oil cylinder 10, accumulator 9, valve block 8 are positioned at sunshading cover 15
In.Each parts that sunshading cover 15 is prevented from sunshading cover 15 are exposed to the sun by the sun, prevent the temperature of each parts in sunshading cover 15
Spending height, particularly oil cylinder 10, accumulator 14 and accumulator 9, the temperature of oil cylinder 10, accumulator 14 and accumulator 9 is the most too high,
Influence whether the safety of whole system.
Autocoupler 2 includes that stick 5, stick 5 are positioned at the lower section of wedge shape collision block 6, and stick 5 is by unhook rope 16
Being connected with oil cylinder 10, the lower section of stick 5 is provided with hook bolt 4, and the lower section of hook bolt 4 is provided with gib head 3, and hook bolt 4 can mount or pine automatically
Open gib head 3.
With reference to Fig. 2, described hydraulic circuit includes safety oil-way, oil circuit control, through-flow oil circuit and oil return circuit, and valve block 8 wraps
Include inserted valve 18, check valve 19, solenoid directional control valve 20, overflow valve 21 and relief valve 22.
Relief valve 22 is serially connected between oil cylinder 10 and accumulator 14, the rod chamber phase of the oil-in of relief valve 22 and oil cylinder 10
Even, the oil-out of relief valve 22 is connected with accumulator 14, forms safety oil-way.
Solenoid directional control valve 20 is attempted by relief valve 22 two ends with overflow valve 21 after contacting, the oil-in of solenoid directional control valve 20 with
The rod chamber of oil cylinder 10 is connected, and the oil-out of solenoid directional control valve 20 is connected with the oil-in of overflow valve 21, overflow valve 21 fuel-displaced
Mouth is connected with accumulator 14, forms oil circuit control.
The oil-in of inserted valve 18 is connected with the rod chamber of oil cylinder 10, and the oil-out of inserted valve 18 is connected with accumulator 14,
The end that controls of inserted valve 18 is connected with the oil-in of relief valve 22, forms through-flow oil circuit.
Check valve 19 is serially connected between oil cylinder 10 and accumulator 14, the rod chamber phase of the oil-out of check valve 19 and oil cylinder 10
Even, the oil-in of check valve 19 is connected with accumulator 14, forms oil return circuit.
The quantity of oil circuit control is one, is the first oil circuit control, the first switch 7 and electromagnetic switch of the first oil circuit control
Valve 20 is electrically connected, for controlling the on/off of the solenoid directional control valve 20 of the first oil circuit control.
First switch 7 is travel switch.
Steel wire rope in use, is first connected on suspension ring 12 by the present embodiment, then is led to by slow for whole segmentation discharger
Cross steel wire hang below the suspension hook of crane；And weight is fixed on below gib head 3；To safety oil-way and each oil circuit control
Carry out pressure setting: the setting pressure of relief valve 22 is higher than the setting pressure of the overflow valve 21 of the first oil circuit control, and is higher than weight
The hydraulic coupling that hammer gravity is corresponding.
When weight promotes, the first switch 7 disconnection, accumulator 14 initial pressure is low pressure, and all oil circuit controls are turned off, oil
Cylinder 10 pressurize；The hoisting mechanism of crane starts transfers, and the slow discharger of segmentation moves downward, and gib head 3 gos deep into automatic coupling
Pushing hook bolt 4 in device 2 open, hook bolt 4 locks gib head 3；Hoisting mechanism starts and rises, by whole mechanism lifts to working depth.
Weight release time, trigger the first switch 7 by spring feeler lever 11, open the first oil circuit control, oil cylinder 10 have bar
In chamber, hydraulic coupling declines, and weight drives the downward accelerated motion of piston rod of oil cylinder 10；The control end pressure of inserted valve 18 declines, and inserts
Dress valve 18 is opened, and through-flow oil circuit turns on, and the pressure differential between oil-in and the oil-out of inserted valve 18 is determined by oil circuit control, oil
Hydraulic oil in the rod chamber of cylinder 10 flows to accumulator 14 through inserted valve 18；Along with the hydraulic coupling of the rod chamber of oil cylinder 10 reduces,
Lineoutofservice signal pull on suspension ring 12 is gradually reduced；Break off relations rope 16 tractive sticks 5, triggers autocoupler 2 and separates gib head 3, real
Existing weight release.
After weight release, the piston rod of oil cylinder 10 moves downward speed and raises with the pressure of accumulator 14 and reduce, finally
The speed that the piston rod of oil cylinder 10 moves downward is kept to zero；The hydraulic action provided due to accumulator 14 is higher than oil cylinder 10 piston
The gravity of bar, the piston rod of oil cylinder 10 upwards resets, and the hydraulic oil in accumulator 14 has bar through what check valve 19 flowed back to oil cylinder 10
Chamber, is finally returned to initial position by spring 17 locked cylinder 10.
Represent the gravity of weight with reference to Fig. 3, G, weight release whole during, the time period 0～t1 represents that weight discharges
Before, t1～t2 represents that the first switch 7 is connected, and during whole, the pulling force of wire rope suspensioning weight is stepped to be gradually reduced,
The release of weight step is transformed into notch cuttype slowly transfer, reduces the weight release impact to system.
Embodiment 2
With reference to Fig. 4, the present embodiment differs only in embodiment 1: the lower section of valve block 8 is provided with a switch, is second
Switch 23；With reference to Fig. 5, the quantity of oil circuit control is two, is divided into the first oil circuit control and the second oil circuit control, second switch 23
It is electrically connected with the solenoid directional control valve 20 of the second oil circuit control, for controlling the power supply of the solenoid directional control valve 20 of the second oil circuit control
Break-make.The quantity of oil cylinder 10 is two, and two oil cylinders 10 are connected in parallel.First switch 7, second switch 23 are travel switch.Its
Remaining with embodiment 1.
Steel wire rope in use, is first connected on suspension ring 12 by the present embodiment, then is led to by slow for whole segmentation discharger
Cross steel wire hang below the suspension hook of crane；And weight is fixed on below gib head 3；To safety oil-way and each oil circuit control
Carry out pressure setting: the setting pressure of relief valve 22 is higher than the setting pressure of the overflow valve 21 of the first oil circuit control, and is higher than weight
The hydraulic coupling that hammer gravity is corresponding, the pressure that sets of the overflow valve 21 of the first oil circuit control is higher than the overflow valve 21 of the second oil circuit control
Set pressure.
When weight promotes, the first switch 7 and second switch 23 all disconnect, and accumulator 14 initial pressure is low pressure, all controls
Liquefaction road is turned off, oil cylinder 10 pressurize；The hoisting mechanism of crane starts transfers, and the slow discharger of segmentation moves downward, hook
3 go deep into pushing open in autocoupler 2 hook bolt 4, and hook bolt 4 locks gib head 3；Hoisting mechanism starts and rises, by whole mechanism lifts
To working depth.
During weight release, trigger the first switch 7 by spring feeler lever 11, open (the i.e. first control of maximum pressure oil circuit control
Liquefaction road), in the rod chamber of oil cylinder 10, hydraulic coupling declines, and weight drives the downward accelerated motion of piston rod of oil cylinder 10；Oil cylinder 10
Piston rod drive wedge shape collision block 6 to trigger second switch 23 during moving downward, second switch 23 energising makes the second control
The solenoid directional control valve 20 on liquefaction road commutates, and the second oil circuit control conducting, the control end pressure of inserted valve 18 declines, and inserted valve 18 is opened
Opening, through-flow oil circuit turns on, and the pressure differential between oil-in and the oil-out of inserted valve 18 is determined by oil circuit control, having of oil cylinder 10
Hydraulic oil in bar chamber flows to accumulator 14 through inserted valve 18；Along with the hydraulic coupling of the rod chamber of oil cylinder 10 reduces successively, suspension ring
Lineoutofservice signal pull on 12 is gradually reduced；Break off relations rope 16 tractive sticks 5, triggers autocoupler 2 and separates gib head 3, it is achieved weight
Hammer release.
After weight release, the piston rod of oil cylinder 10 moves downward speed and raises with the pressure of accumulator 14 and reduce, finally
The speed that the piston rod of oil cylinder 10 moves downward is kept to zero；The hydraulic action provided due to accumulator 14 is higher than oil cylinder 10 piston
The gravity of bar, the piston rod of oil cylinder 10 upwards resets, and the hydraulic oil in accumulator 14 has bar through what check valve 19 flowed back to oil cylinder 10
Chamber, is finally returned to initial position by spring 17 locked cylinder 10.
Represent the gravity of weight with reference to Fig. 6, G, weight release whole during, the time period 0～t3 represents that weight discharges
Before, t3～t4 represents that the first switch 7 is connected, t4～t5 represents that second switch 23 is connected, during whole, and wire rope suspensioning weight
The pulling force of hammer is stepped to be gradually reduced, and the release of weight step is transformed into notch cuttype and slowly transfers, and reduces weight and discharges being
The impact of system.
Embodiment 3
With reference to Fig. 7, the present embodiment differs only in embodiment 1: the lower section of valve block 8 is provided with two switches, is respectively
Second switch 23 and the 3rd switch 24, second switch 23 is positioned at above the 3rd switch 24 and is positioned on same vertical direction, wedge shape
The vertical length of collision block 6 is more than the distance between second switch 23 and the 3rd switch 24；With reference to Fig. 8, the quantity of oil circuit control is
Article three, it is divided into the first oil circuit control, the second oil circuit control and the 3rd oil circuit control, second switch 23 and the electricity of the second oil circuit control
Magnetic reversal valve 20 is electrically connected, for controlling the on/off of the solenoid directional control valve 20 of the second oil circuit control；3rd switch 24 with
The solenoid directional control valve 20 of the 3rd oil circuit control is electrically connected, and leads to for controlling the power supply of the solenoid directional control valve 20 of the 3rd oil circuit control
Disconnected.The quantity of oil cylinder 10 is three, is connected in parallel between oil cylinder 10.First switch 7, second switch 23, the 3rd switch 24 are row
Cheng Kaiguan.Remaining is with embodiment 1.
Steel wire rope in use, is first connected on suspension ring 12 by the present embodiment, then is led to by slow for whole segmentation discharger
Cross steel wire hang below the suspension hook of crane；And weight is fixed on below gib head 3；To safety oil-way and each oil circuit control
Carry out pressure setting: the setting pressure of relief valve 22 is higher than the setting pressure of the overflow valve 21 of the first oil circuit control, and is higher than weight
The hydraulic coupling that hammer gravity is corresponding, the pressure that sets of the overflow valve 21 of the first oil circuit control is higher than the overflow valve 21 of the second oil circuit control
Setting pressure, the pressure that sets of the overflow valve 21 of the second oil circuit control sets pressure higher than the overflow valve 21 of the 3rd oil circuit control.
When weight promotes, the first switch 7, second switch 23 and the 3rd switch 24 all disconnect, and accumulator 14 initial pressure is
Low pressure, all oil circuit controls are turned off, oil cylinder 10 pressurize；The hoisting mechanism of crane starts transfers, the slow discharger of segmentation
Moving downward, gib head 3 gos deep into pushing open in autocoupler 2 hook bolt 4, and hook bolt 4 locks gib head 3；Hoisting mechanism starts and rises, by whole
Individual mechanism lifts is to working depth.
During weight release, trigger the first switch 7 by spring feeler lever 11, open (the i.e. first control of maximum pressure oil circuit control
Liquefaction road), in the rod chamber of oil cylinder 10, hydraulic coupling declines, and weight drives the downward accelerated motion of piston rod of oil cylinder 10；Oil cylinder 10
Piston rod drive during moving downward wedge shape collision block 6 trigger successively second switch the 23, the 3rd switch 24, second switch
During 23 triggering, second switch 23 energising makes the solenoid directional control valve 20 of the second oil circuit control commutate, the second oil circuit control conducting, plug-in mounting
The control end pressure of valve 18 declines, and inserted valve 18 is opened, and through-flow oil circuit turns on, between oil-in and the oil-out of inserted valve 18
Pressure differential is determined by oil circuit control, and the hydraulic oil in the rod chamber of oil cylinder 10 flows to accumulator 14 through inserted valve 18；Along with oil cylinder
The hydraulic coupling of the rod chamber of 10 reduces successively, and the lineoutofservice signal pull on suspension ring 12 is gradually reduced；The piston rod of oil cylinder 10 is downwards
In motor process, when driving the 3rd switch 24 that wedge shape collision block 6 pushes down bottom, the 3rd switch 24 energising makes the 3rd oil circuit control
Solenoid directional control valve 20 commutate, the 3rd oil circuit control conducting, break off relations rope 16 tractive sticks 5, trigger autocoupler 2 detaching hook
3, it is achieved weight discharges.
After weight release, the piston rod of oil cylinder 10 moves downward speed and raises with the pressure of accumulator 14 and reduce, finally
The speed that the piston rod of oil cylinder 10 moves downward is kept to zero；The hydraulic action provided due to accumulator 14 is higher than oil cylinder 10 piston
The gravity of bar, the piston rod of oil cylinder 10 upwards resets, and the hydraulic oil in accumulator 14 has bar through what check valve 19 flowed back to oil cylinder 10
Chamber, is finally returned to initial position by spring 17 locked cylinder 10.
Represent the gravity of weight with reference to Fig. 9, G, weight release whole during, time period t 0～t6 represents that weight discharges
Before, t6～t7 represents that the first switch 7 is connected, t7～t8 represents that second switch 23 is connected, t8～t9 represents the 3rd switch 24 connection,
During whole, the pulling force of wire rope suspensioning weight is stepped to be gradually reduced, and the release of weight step is transformed into notch cuttype
Slowly transfer, reduce the weight release impact to system.
Embodiment 4
With reference to Figure 10, the present embodiment differs only in embodiment 1: the lower section of valve block 8 is additionally provided with three switches, respectively
For second switch the 23, the 3rd switch 24 and the 4th switch 25, second switch 23 is positioned at the top of the 3rd switch 24, the 3rd switch 24
Being positioned at the top of the 4th switch 25, and three switches are positioned on same vertical direction, the adjacent distance between two switches is identical,
The vertical length of wedge shape collision block 6 is more than the distance between two adjacent switches；With reference to Figure 11, the quantity of oil circuit control is four,
It is divided into the first oil circuit control, the second oil circuit control, the 3rd oil circuit control and the 4th oil circuit control, second switch 23 and second to control
The solenoid directional control valve 20 of oil circuit is electrically connected, for controlling the on/off of the solenoid directional control valve 20 of the second oil circuit control；3rd
Switch 24 is electrically connected with the solenoid directional control valve 20 of the 3rd oil circuit control, for controlling the solenoid directional control valve 20 of the 3rd oil circuit control
On/off；4th switch 25 is electrically connected with the solenoid directional control valve 20 of the 4th oil circuit control, for controlling the 4th control oil
The on/off of the solenoid directional control valve 20 on road.The quantity of oil cylinder 10 is three, is connected in parallel between oil cylinder 10.First switch 7, the
Two switch the 23, the 3rd switch the 24, the 4th switches 25 are travel switch.Remaining is with embodiment 1.
Steel wire rope in use, is first connected on suspension ring 12 by the present embodiment, then is led to by slow for whole segmentation discharger
Cross steel wire hang below the suspension hook of crane；And weight is fixed on below gib head 3；To safety oil-way and each oil circuit control
Carry out pressure setting: the setting pressure of relief valve 22 is higher than the setting pressure of the overflow valve 21 of the first oil circuit control, and is higher than weight
The hydraulic coupling that hammer gravity is corresponding, the pressure that sets of the overflow valve 21 of the first oil circuit control is higher than the overflow valve 21 of the second oil circuit control
Setting pressure, the pressure that sets of the overflow valve 21 of the second oil circuit control sets pressure higher than the overflow valve 21 of the 3rd oil circuit control,
The pressure that sets of the overflow valve 21 of the 3rd oil circuit control sets pressure higher than the overflow valve 21 of the 4th oil circuit control.
When weight promotes, the first switch 7, second switch the 23, the 3rd switch 24 and the 4th switch 25 all disconnect, accumulator 14
Initial pressure is low pressure, and all oil circuit controls are turned off, oil cylinder 10 pressurize；The hoisting mechanism of crane starts transfers, and segmentation is delayed
Speed discharger moves downward, and gib head 3 gos deep into pushing open in autocoupler 2 hook bolt 4, and hook bolt 4 locks gib head 3；Hoisting mechanism opens
Dynamic rising, by whole mechanism lifts to working depth.
During weight release, trigger the first switch 7 by spring feeler lever 11, open (the i.e. first control of maximum pressure oil circuit control
Liquefaction road), in the rod chamber of oil cylinder 10, hydraulic coupling declines, and weight drives the downward accelerated motion of piston rod of oil cylinder 10；Oil cylinder 10
Piston rod drive during moving downward wedge shape collision block 6 trigger successively second switch the 23, the 3rd switch the 24, the 4th switch
25, when second switch 23 triggers, second switch 23 energising makes the solenoid directional control valve 20 of the second oil circuit control commutate, and second controls oil
Road turns on；During the 3rd switch 24 triggering, the 3rd switch 24 energising makes the solenoid directional control valve 20 of the 3rd oil circuit control commutate, the 3rd control
Liquefaction road turns on；The control end pressure of inserted valve 18 declines, and inserted valve 18 is opened, and through-flow oil circuit turns on, the oil-feed of inserted valve 18
Pressure differential between mouth and oil-out is determined by oil circuit control, and the hydraulic oil in the rod chamber of oil cylinder 10 flows to store through inserted valve 18
Can device 14；Along with the hydraulic coupling of the rod chamber of oil cylinder 10 reduces successively, the lineoutofservice signal pull on suspension ring 12 is gradually reduced；Oil cylinder 10
Piston rod during moving downward, drive wedge shape collision block 6 push down bottom the 4th switch 25 time, the 4th switch 25 energising
The solenoid directional control valve 20 making the 4th oil circuit control commutates, the 4th oil circuit control conducting；Break off relations rope 16 tractive sticks 5, triggers certainly
Dynamic hook device 2 separates gib head 3, it is achieved weight discharges.
After weight release, the piston rod of oil cylinder 10 moves downward speed and raises with the pressure of accumulator 14 and reduce, finally
The speed that the piston rod of oil cylinder 10 moves downward is kept to zero；The hydraulic action provided due to accumulator 14 is higher than oil cylinder 10 piston
The gravity of bar, the piston rod of oil cylinder 10 upwards resets, and the hydraulic oil in accumulator 14 has bar through what check valve 19 flowed back to oil cylinder 10
Chamber, is finally returned to initial position by spring 17 locked cylinder 10.
Represent the gravity of weight with reference to Figure 12, G, weight release whole during, time period t 0～t10 represents that weight is released
Before putting, t10～t11 represents that the first switch 7 is connected, t11～t12 represents that second switch 23 is connected, t12～t13 represents that the 3rd opens
Closing 24 connections, t13～t14 represents the 4th switch 25 connection, and during whole, the pulling force of wire rope suspensioning weight is stepped
It is gradually reduced, the release of weight step is transformed into notch cuttype and slowly transfers, reduce the weight release impact to system.
Embodiment 5
The present embodiment differs only in embodiment 1: the first switch 7 is proximity switch.Remaining is with embodiment 1.
Embodiment 6
The present embodiment differs only in embodiment 1: the first switch 7 is infrared inductor.Remaining is with embodiment 1.
Embodiment 7
The present embodiment differs only in embodiment 2: the first switch 7, second switch 23, for proximity switch.Remaining is same
Embodiment 2.
Embodiment 8
The present embodiment differs only in embodiment 2: the first switch 7, second switch 23, for infrared inductor.Remaining
With embodiment 2.
Embodiment 9
The present embodiment differs only in embodiment 3: the first switch 7, second switch 23, the 3rd switch 24 are for close to opening
Close.Remaining is with embodiment 3.
Embodiment 10
The present embodiment differs only in embodiment 3: the first switch 7, second switch 23, the 3rd switch 24 are infrared sense
Answer device.Remaining is with embodiment 3.
Embodiment 11
The present embodiment differs only in embodiment 4: the first switch 7, second switch the 23, the 3rd switch the 24, the 4th are opened
Closing 25 is proximity switch.Remaining is with embodiment 4.
Embodiment 12
The present embodiment differs only in embodiment 4: the first switch 7, second switch the 23, the 3rd switch the 24, the 4th are opened
Closing 25 is infrared inductor.Remaining is with embodiment 4.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, as first switch 7 except
Outside can being triggered by spring feeler lever 11, it is possible to triggered by steel wire rope tractive, if these amendments and modification are wanted in right of the present invention
Ask and within the scope of equivalent technologies, then these amendments and modification are also within protection scope of the present invention.
The prior art that the content not described in detail in description is known to the skilled person.
Claims (10)
1. the slow discharger of segmentation, including autocoupler (2), it is characterised in that: also include retarder (1), described
Autocoupler (2) is positioned at the lower section of retarder (1), and autocoupler (2) is connected with retarder (1), the top of retarder (1)
It is provided with spring feeler lever (11), in described retarder (1), is provided with the hydraulic circuit for controlling retarder (1) hydraulic coupling, described liquid
Force feed road includes safety oil-way, oil circuit control, through-flow oil circuit and oil return circuit；Described retarder (1) includes pedestal (13), pedestal
(13) top is provided with suspension ring (12) and the first switch (7), and the lower section of described pedestal (13) is provided with and is all connected with pedestal (13)
Accumulator (14), oil cylinder (10), accumulator (9), the lower section of described oil cylinder (10) is provided with wedge shape collision block (6), wedge shape collision block (6) with
The piston rod of oil cylinder (10) is connected；The lower section of described accumulator (9) is provided with valve block (8), described first switch (7) and valve block (8)
Electrical connection；Described valve block (8) includes inserted valve (18), check valve (19), solenoid directional control valve (20), overflow valve (21) and safety
Valve (22)；
Described relief valve (22) is serially connected between oil cylinder (10) and accumulator (14), the oil-in of relief valve (22) and oil cylinder (10)
Rod chamber be connected, the oil-out of relief valve (22) is connected with accumulator (14), formation safety oil-way；
Described solenoid directional control valve (20) is attempted by relief valve (22) two ends after contacting with overflow valve (21), solenoid directional control valve (20)
Oil-in is connected with the rod chamber of oil cylinder (10), and the oil-out of solenoid directional control valve (20) is connected with the oil-in of overflow valve (21),
The oil-out of overflow valve (21) is connected with accumulator (14), forms oil circuit control；
The oil-in of described inserted valve (18) is connected with the rod chamber of oil cylinder (10), the oil-out of inserted valve (18) and accumulator
(14) being connected, the control end of inserted valve (18) is connected with the oil-in of relief valve (22), forms through-flow oil circuit；
Described check valve (19) is serially connected between oil cylinder (10) and accumulator (14), the oil-out of check valve (19) and oil cylinder (10)
Rod chamber be connected, the oil-in of check valve (19) is connected with accumulator (14), formation oil return circuit.
2. the slow discharger of segmentation as claimed in claim 1, it is characterised in that: described
The quantity of oil cylinder (10) is at least one, and when the quantity of described oil cylinder (10) is more than one, between oil cylinder (10), parallel connection is even
Connect.
3. the slow discharger of segmentation as claimed in claim 2, it is characterised in that: between described pedestal (13) and suspension ring (12)
It is additionally provided with sunshading cover (15), described suspension ring (12) and the first switch (7) and is positioned at the top exterior walls of sunshading cover (15), described pedestal
(13) being positioned at the top inner wall of sunshading cover (15), described accumulator (14), oil cylinder (10), accumulator (9), valve block (8) are positioned at anti-
Shine in cover (15).
4. the slow discharger of segmentation as claimed any one in claims 1 to 3, it is characterised in that: described autocoupler
(2) include that stick (5), stick (5) are positioned at the lower section of wedge shape collision block (6), described stick (5) by break off relations rope (16) with
Oil cylinder (10) is connected, and the lower section of described stick (5) is provided with hook bolt (4), and the lower section of hook bolt (4) is provided with gib head (3).
5. the slow discharger of segmentation as claimed in claim 1, it is characterised in that: the quantity of described oil circuit control is one,
It is the first oil circuit control, described first switch (7) and solenoid directional control valve (20) electrical connection of the first oil circuit control, it is used for controlling
The on/off of the solenoid directional control valve (20) of the first oil circuit control.
6. the slow discharger of segmentation as claimed in claim 1, it is characterised in that: described
The lower section of valve block (8) is provided with at least one switch, and described switch is electrically connected with valve block (8).
7. the slow discharger of segmentation as claimed in claim 6, it is characterised in that: the lower section of described valve block (8) is provided with one
Switch, for second switch (23), the quantity of described oil circuit control is two, is divided into the first oil circuit control and the second oil circuit control,
Described first switch (7) and solenoid directional control valve (20) electrical connection of the first oil circuit control, be used for controlling the first oil circuit control
The on/off of solenoid directional control valve (20)；Described second switch (23) electrically connects with the solenoid directional control valve (20) of the second oil circuit control
Connect, for controlling the on/off of the solenoid directional control valve (20) of the second oil circuit control.
8. the slow discharger of segmentation as claimed in claim 6, it is characterised in that: the lower section of described valve block (8) is provided with two
Switch, respectively second switch (23) and the 3rd switch (24), described second switch (23) be positioned at the 3rd switch (24) above and
Be positioned on same vertical direction, the vertical length of described wedge shape collision block (6) more than second switch (23) and the 3rd switch (24) it
Between distance；The quantity of described oil circuit control is three, is divided into the first oil circuit control, the second oil circuit control and the 3rd to control oil
Road, described first switch (7) and solenoid directional control valve (20) electrical connection of the first oil circuit control, be used for controlling the first oil circuit control
The on/off of solenoid directional control valve (20)；Described second switch (23) is electric with the solenoid directional control valve (20) of the second oil circuit control
Connect, for controlling the on/off of the solenoid directional control valve (20) of the second oil circuit control；Described 3rd switch (24) and the 3rd control
Solenoid directional control valve (20) electrical connection on liquefaction road, leads to for controlling the power supply of the solenoid directional control valve (20) of the 3rd oil circuit control
Disconnected.
9. the slow discharger of segmentation as claimed in claim 6, it is characterised in that: the lower section of described valve block (8) is provided with three
Switch, respectively second switch (23), the 3rd switch (24) and the 4th switch (25), described second switch (23) is positioned at the 3rd and opens
Closing the top of (24), described 3rd switch (24) is positioned at the top of the 4th switch (25), and three switches are positioned at same vertical side
Upwards, the adjacent distance between two switches is identical, between the vertical length of described wedge shape collision block (6) is more than two adjacent switches
Distance；The quantity of described oil circuit control is four, be divided into the first oil circuit control, the second oil circuit control, the 3rd oil circuit control and
4th oil circuit control, solenoid directional control valve (20) electrical connection of described first switch (7) and the first oil circuit control, for control the
The on/off of the solenoid directional control valve (20) of one oil circuit control；Described second switch (23) and the electromagnetic switch of the second oil circuit control
Valve (20) is electrically connected, for controlling the on/off of the solenoid directional control valve (20) of the second oil circuit control；Described 3rd switch
(24) solenoid directional control valve (20) with the 3rd oil circuit control is electrically connected, for controlling the solenoid directional control valve of the 3rd oil circuit control
(20) on/off；Described 4th switch (25) and solenoid directional control valve (20) electrical connection of the 4th oil circuit control, be used for controlling
Make the on/off of the solenoid directional control valve (20) of the 4th oil circuit control.
10. the slow discharger of segmentation as claimed in claim 9, it is characterised in that: described first switch (7), second switch
(23), the 3rd switch (24), the 4th switch (25) are travel switch or proximity switch or infrared inductor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410586786.XA CN104444756B (en) | 2014-10-29 | 2014-10-29 | A kind of slow discharger of segmentation |
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| CN201410586786.XA CN104444756B (en) | 2014-10-29 | 2014-10-29 | A kind of slow discharger of segmentation |
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| CN104444756B true CN104444756B (en) | 2016-08-24 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006350B (en) * | 2016-07-08 | 2019-02-05 | 湖南师范大学 | A kind of retarder and the stepless slow discharge mechanism including the retarder |
| CN106246613B (en) * | 2016-08-01 | 2018-09-25 | 湖南师范大学 | Discharge mechanism and dynamic compaction machinery |
| CN106400773B (en) * | 2016-11-07 | 2019-02-22 | 湖南师范大学 | Discharge mechanism and dynamic compaction machinery |
| CN106381861B (en) * | 2016-11-07 | 2019-02-05 | 湖南师范大学 | Discharge mechanism and dynamic compaction machinery |
| CN109822323A (en) * | 2017-11-23 | 2019-05-31 | 中核苏阀科技实业股份有限公司 | A kind of Quick disassembling structure of large complicated gas-liquid linked driving device |
| FR3076826B1 (en) * | 2018-01-18 | 2020-01-31 | Saipem S.A. | DEVICE AND METHOD FOR THE INSTALLATION AND HANDLING OF A MODULE OF AN UNDERWATER TREATMENT STATION |
| CN109972606B (en) * | 2019-04-09 | 2024-03-19 | 湖南师范大学 | Mechanical unloading device |
| CN110759271B (en) * | 2019-11-28 | 2020-10-02 | 浦江培咯电子科技有限公司 | Crane power-off descending object hanging device |
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| CN104444756A (en) | 2015-03-25 |
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Correction item: Applicant Correct: CHANGSHA JIABAI PRECISION MACHINERY CO., LTD. False: HUNAN CHANGSHA JIABAI PRECISION MACHINERY CO., LTD. Number: 12 Page: The title page Volume: 31 |
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Address after: 410000 Hunan province Changsha Municipal Economic Development Zone, Long Bridge Road northbound East Central Intelligence Valley Industrial Park 6 Building 103 Applicant after: CHANGSHA JIABAI PRECISION MACHINERY CO., LTD. Address before: 410000, Hunan Province, Changsha, Changsha County province people's East Road, No. 2 section 189 No. 6 middle Valley Industrial Park 301 Applicant before: CHANGSHA JIABAI PRECISION MACHINERY CO., LTD. |
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Effective date of registration: 20160603 Address after: 410007 Hunan province Changsha Yuhua District, Cao Jia Po Lane 106, building 2708 room Huayun Applicant after: Liu Yang Address before: 410000 Hunan province Changsha Municipal Economic Development Zone, Long Bridge Road northbound East Central Intelligence Valley Industrial Park 6 Building 103 Applicant before: CHANGSHA JIABAI PRECISION MACHINERY CO., LTD. |
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