CN105927606B - A kind of hydraulic pile system and its inserted valve - Google Patents
A kind of hydraulic pile system and its inserted valve Download PDFInfo
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- CN105927606B CN105927606B CN201610480824.2A CN201610480824A CN105927606B CN 105927606 B CN105927606 B CN 105927606B CN 201610480824 A CN201610480824 A CN 201610480824A CN 105927606 B CN105927606 B CN 105927606B
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- valve
- valve element
- hydraulic
- fluid port
- hydraulic fluid
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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
- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of inserted valve for hydraulic pile system, including control cover plate, valve element, valve pocket, back-moving spring, valve element guide sleeve;Described valve element is inserted in the axially extending bore of valve pocket, and first paragraph valve element and first paragraph valve pocket form and be oriented to cavity, and valve element is oriented to be set on and is oriented on cavity;Second segment valve pocket is provided with the first valve pocket oil duct and the second valve pocket oil duct, and the first valve pocket oil duct communicates with the first sealed volume, and the second valve pocket oil duct communicates with the second sealed volume;Oil duct cavity is provided with 3rd section of valve element, is provided with the back-moving spring cavity for being used for placing back-moving spring in first paragraph valve element, the 3rd hydraulic fluid port communicates with oil duct cavity;The invention further relates to a kind of hydraulic pile system;The inserted valve of the present invention can realize big flow connection, the purpose of fast response time, and hydraulic pile system oil-way of the invention is simple, can realize piling purpose well, belongs to the technical field of hydraulic pile.
Description
Technical field
The present invention relates to the technical field of hydraulic pile, more particularly to a kind of hydraulic pile system and its inserted valve.
Background technology
The two-position three-way valve of common big flow all uses the design form of guiding valve, and this kind of valve has two function positions, this kind
The through-current capability of first function position of valve halves with respect to the through-current capability of two-way plug-in valve, the through-current capability and two of the second function position
The through-current capability of logical inserted valve is suitable, and the through-current capability of the first function position is less than the through-current capability of the second function position.Beaten in hydraulic pressure
In pile monkey hydraulic system, using Differential Control oil circuit so that when oil cylinder is up, cylinder upper cavity oil oil extraction is stable, when under oil cylinder
, it is necessary to connect the upper and lower cavity of oil cylinder during row, and linear speed reaches more than 5m/s so that upper and lower cavity passes through control valve when connecting
Flow into several times increase.In order to reach the control of big flow switching, typically combine to be formed using magnetic valve and common inserted valve
Control valve group, so as to carry out commutation switching, but the complexity of oil circuit certainly will be so added, while reduce the reliable of system
Property.After Multistage Control so that control response speed is slow, so that whole hydraulic pile system needs higher strike
Frequency.
The content of the invention
For technical problem present in prior art, the purpose of the present invention is:A kind of big flow, fast response time are provided
The inserted valve for hydraulic pile system;
Another object of the present invention is to provide a kind of hydraulic pile system, the hydraulic pile system oil-way is simple, can be very
Piling purpose is realized well.
In order to achieve the above object, the present invention adopts the following technical scheme that:
A kind of inserted valve for hydraulic pile system, including control cover plate, valve element, valve pocket, back-moving spring, valve element are oriented to
Set;Described valve element is divided into first paragraph valve element, second segment valve element, the 3rd section of valve element from top to bottom, and described valve pocket is by upper
Down it is divided into first paragraph valve pocket, second segment valve pocket, the 3rd section of valve pocket;Described valve element is inserted in the axially extending bore of valve pocket,
First paragraph valve element and first paragraph valve pocket, which are formed, is oriented to cavity, and valve element is oriented to be set on and is oriented on cavity;Second segment valve pocket, valve element
Guide sleeve, first paragraph valve element, second segment valve element surround the first sealed volume, second segment valve pocket, the 3rd section of valve pocket, second segment valve
Core, the 3rd section of valve element surround the second sealed volume;Second segment valve pocket is provided with the first valve pocket oil duct and the second valve pocket oil duct, and first
Valve pocket oil duct communicates with the first sealed volume, and the second valve pocket oil duct communicates with the second sealed volume;3rd section of valve pocket is provided with more
First hydraulic fluid port of individual radial direction and the second hydraulic fluid port of multiple radial directions, the first hydraulic fluid port are located at the top of the second hydraulic fluid port;On 3rd section of valve element
The 3rd hydraulic fluid port provided with multiple radial directions, the 3rd section of valve element is interior to be provided with oil duct cavity, is provided with first paragraph valve element and is used to place reset
The back-moving spring cavity of spring, the 3rd hydraulic fluid port communicate with oil duct cavity;Described valve pocket is inserted in control cover plate, is controlled in cover plate
Provided with the first cover plate oil duct and the second cover plate oil duct, the first cover plate oil duct communicates with the first valve pocket oil duct, the second cover plate oil duct with
Second valve pocket oil duct communicates;One end of back-moving spring connects with control cover plate, and the other end connects with second segment valve element;
Moved upwards with valve element, the second hydraulic fluid port communicates with the axially extending bore of valve pocket, is moved downward with valve element, the first hydraulic fluid port and
3rd hydraulic fluid port communicates.
When the input pressure oil into the first cover plate oil duct, pressure oil enters the first valve pocket oil duct from the first cover plate oil duct,
Enter back into the first sealed volume;Pressure oil in first sealed volume applies pressure to the upper surface of second segment valve element, makes valve element
Move downward, while the back-moving spring in compressive state also promotes valve element to move downward;At the same time, second sealed volume
Oil stream goes out the second valve pocket oil duct, then flows out the second cover plate oil duct;Moved downward with valve element, the first hydraulic fluid port, the 3rd hydraulic fluid port, oil duct are empty
Communicated between chamber, pressure oil by the 3rd section of valve element due to being stopped, it is impossible to enters oil duct cavity from the second hydraulic fluid port.
It is further:The 3rd section of described valve pocket, which is provided with, to be used to prevent the internal projection that valve element moves downward, the 3rd section of valve
Core is provided with the outer lug being adapted with internal projection, and internal projection is located at the following of the second hydraulic fluid port, and outer lug is located under the 3rd hydraulic fluid port
Side.Valve element is set to have moved downward an extreme position.
It is further:First seal is provided with described valve element guide sleeve.First seal can prevent the first sealing
Pressure oil leakage in cavity volume.
It is further:Second seal is provided with described second segment valve element.Second seal can obstruct the first sealing
Pressure oil in cavity volume and the second sealed volume is connected.
It is further:The 3rd seal is provided with the 3rd section of described valve element, the 3rd seal is located at the 3rd hydraulic fluid port
Top.3rd seal can prevent the pressure oil in the second sealed volume from revealing.
It is further:Described oil duct cavity communicates with back-moving spring cavity, the pressure face of first paragraph valve element upper surface
Product is equal with the pressure area of the 3rd section of valve element lower surface.It can ensure that the top of valve element and the pressure of bottom are equal
, interference of the discharge pressure to valve element, ensure valve element having stable behavior.
A kind of hydraulic pile system, including inserted valve, pile hammer, differential hydro cylinder, pressure oil device, oil return box, electromagnetism
Valve;The piston rod of pile hammer passes through differential hydro cylinder, and piston rod is provided with hydraulic piston, and hydraulic piston is formed with differential hydro cylinder
Upper hydraulic cavities and lower hydraulic pressure chamber;Pressure oil port of the pressure oil device respectively with lower hydraulic pressure chamber, the second hydraulic fluid port, magnetic valve is connected,
Lower hydraulic pressure chamber is connected with the second hydraulic fluid port, and upper hydraulic cavities are connected with the axially extending bore of valve pocket, and the first hydraulic fluid port is connected with oil return box
Logical, the oil return opening of magnetic valve is connected with oil return box, and the first control mouth of magnetic valve is connected with the first cover plate oil duct, magnetic valve
The second control mouth be connected with the second cover plate oil duct;
When magnetic valve is under power failure state, the pressure oil port of magnetic valve communicates with the first control mouth of magnetic valve, electromagnetism
The oil return opening of valve communicates with the second control mouth of magnetic valve;When magnetic valve be under electricity condition, the pressure oil port of magnetic valve with
Second control mouth of magnetic valve communicates, and the oil return opening of magnetic valve communicates with the first control mouth of magnetic valve.
When the pile hammer is up moved with the hydraulic pile system, a part of pressure oil of pressure oil device flows into differential
The lower hydraulic pressure chamber of hydraulic cylinder, makes pile hammer up move;A part of pressure oil of pressure oil device flows to magnetic valve (now electromagnetism
Valve is in power failure state) pressure oil port, then flowed out by the first control mouth of magnetic valve, then flow to the first cover plate oil duct, so as to
Valve element is set down to move, when valve element down moves to a certain degree, the first hydraulic fluid port and the 3rd hydraulic fluid port are connected, differential hydro cylinder
The pressure oil of upper hydraulic pressure intracavitary flows to the oil duct cavity of valve element, then flow to oil return box from the 3rd hydraulic fluid port and the first hydraulic fluid port.
It is further:Described inserted valve has two.
It is further:Hydraulic pile system also includes two the first accumulators, and the first accumulator is connected with the second hydraulic fluid port
It is logical.
It is further:Hydraulic pile system also includes the second accumulator, and the second accumulator is connected with the first hydraulic fluid port.
Generally speaking, the invention has the advantages that:
1. the second hydraulic fluid port of the invention is connected with the axially extending bore of valve pocket, the pressure oil circulation of big flow is realized.
2. the first hydraulic fluid port and the 3rd hydraulic fluid port of the present invention are connected, the pressure oil circulation compared with low discharge is realized.
3. the volume of the first sealed volume of the invention and the second sealed volume is smaller, it is only necessary to which less both can quickly ring
Should.
4. present invention can ensure that the top of valve element and the pressure of bottom are equal, discharge pressure is done to valve element
Disturb, ensure valve element having stable behavior.
Brief description of the drawings
Fig. 1 is structural representation when present invention inserting valve core moves downward.
Fig. 2 is the enlarged drawing at Figure 1A.
Fig. 3 is the enlarged drawing at Figure 1B.
Fig. 4 is structural representation when present invention inserting valve core moves upwards.
Fig. 5 is structural representation when hydraulic pile system of the present invention makes the pile hammer up move.
Fig. 6 is structural representation when hydraulic pile system of the present invention makes the pile hammer down impact motion.
Wherein, 1 is first paragraph valve pocket, and 2 be second segment valve pocket, and 3 be the 3rd section of valve pocket, and 4 be first paragraph valve element, and 5 be second
Section valve element, 6 be the 3rd section of valve element, and 7 be valve element guide sleeve, and 8 be back-moving spring, and 9 be first seal, and 10 be second seal,
11 be the 3rd seal, and 12 be the first sealed volume, and 13 be the second sealed volume, and 14 be the first valve pocket oil duct, and 15 be the second valve
Oil duct is covered, 16 be the first cover plate oil duct, and 17 be the second cover plate oil duct, and 18 be back-moving spring cavity, and 19 be oil duct cavity, and 20 be valve
The axially extending bore of set, 21 be the first hydraulic fluid port, and 22 be the second hydraulic fluid port, and 23 be the 3rd hydraulic fluid port, and 24 be control cover plate, and 25 be the 3rd section of valve
The internal projection of set, 26 be the outer lug of the 3rd section of valve element, and 27 be internal projection step, and 28 be outer lug step, and 29 be that pressure oil fills
Put, 30 be oil return box, and 31 be the hammer core of pile hammer, and 32 be the piston rod of pile hammer, and 33 be hydraulic piston, and 34 be differential hydro cylinder
Upper hydraulic cavities, 35 be the lower hydraulic pressure chamber of differential hydro cylinder, and 36 be trimmer valve, and 37 be the pressure oil port of magnetic valve, and 38 be electromagnetism
The oil return opening of valve, 39 be the first control mouth of magnetic valve, and 40 be the second control mouth of magnetic valve, and 41 be the first accumulator, and 42 are
Second accumulator.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
For the convenience of narration, hereafter up and down direction of the described direction up and down with Fig. 1 in itself is consistent.
With reference to shown in Fig. 1 and Fig. 4, a kind of inserted valve for hydraulic pile system, including control cover plate, valve element, valve pocket,
Back-moving spring, valve element guide sleeve.Described valve element is divided into first paragraph valve element, second segment valve element, the 3rd section of valve from top to bottom
Core, described valve pocket are divided into first paragraph valve pocket, second segment valve pocket, the 3rd section of valve pocket from top to bottom.Valve pocket is provided with axially logical
Hole, the axially extending bore are through to the upper end of valve pocket from the lower end of valve pocket, and the outer wall of second segment valve element is provided with outside outer lug platform
Rank, more than the upper surface of the outer lug step it is first paragraph valve element, is the 3rd section of valve element below the lower surface of outer lug step, valve
The inwall of core is provided with inside internal projection step, and the upper surface of internal projection step is located at second segment valve element.Second segment valve pocket
Inwall protrudes inwardly from, and the inwall of the 3rd section of valve pocket further protrudes inwardly from, i.e. the cross section for the inner chamber that first paragraph valve pocket is formed
Product is maximum, and the cross-sectional area for the inner chamber that second segment valve pocket is formed takes second place, the cross-sectional area for the inner chamber that the 3rd section of valve pocket is formed
It is minimum.Described outwardly direction is that the outer wall of valve pocket is pointed at the center of valve pocket herein, and described inward direction is valve pocket
Outer wall points to the center of valve pocket.
With reference to shown in Fig. 1 and Fig. 3, described valve element is inserted in the axially extending bore of valve pocket, first paragraph valve element and first paragraph valve
Set, which is formed, is oriented to cavity, and valve element is oriented to be set on and is oriented on cavity;The inwall of second segment valve pocket, the lower end of valve element guide sleeve
Face, the outer wall of first paragraph valve element, the upper surface (i.e. the upper surface of outer lug step) of second segment valve element surround the first sealed volume,
The inwall of second segment valve pocket, the upper surface of the 3rd section of valve pocket, second segment valve element lower surface (i.e. the lower surface of outer lug step),
The outer wall of 3rd section of valve element surrounds the second sealed volume.Second segment valve pocket is provided with the first valve pocket oil duct and the second valve pocket oil duct,
First valve pocket oil duct communicates with the first sealed volume, and the second valve pocket oil duct communicates with the second sealed volume.Set on 3rd section of valve pocket
There are the first hydraulic fluid port of multiple radial directions and the second hydraulic fluid port of multiple radial directions, the first hydraulic fluid port is located at the top of the second hydraulic fluid port;First hydraulic fluid port
It is uniformly distributed, is communicated between each first hydraulic fluid port, Mei Ge with excircle side of second hydraulic fluid port along the 3rd section of valve pocket
Communicated between two hydraulic fluid ports.3rd section of valve element is provided with the 3rd hydraulic fluid port of multiple radial directions, and the 3rd hydraulic fluid port is along the 3rd section of valve element
Circumference side be uniformly distributed;Oil duct cavity is provided with 3rd section of valve element, is provided with first paragraph valve element and is used to place back-moving spring
Back-moving spring cavity, the 3rd hydraulic fluid port communicates with oil duct cavity, and back-moving spring cavity and oil duct cavity communicate.Described valve
It is inserted in control cover plate, the first cover plate oil duct and the second cover plate oil duct, the first cover plate oil duct and first is provided with control cover plate
Valve pocket oil duct communicates, and the second cover plate oil duct communicates with the second valve pocket oil duct.It is internal cavity structure to control cover plate, the one of back-moving spring
Hold with controlling the upper wall of cover plate internal cavity to connect, the other end connects with the upper surface of internal projection step, i.e. the other end and second segment
Valve element connects.The volume of first sealed volume and the second sealed volume is smaller, it is only necessary to which less pressure oil can obtain this and insert
Fill valve.
When the input pressure oil into the first cover plate oil duct, pressure oil enters the first valve pocket oil duct from the first cover plate oil duct,
Enter back into the first sealed volume;Upper surface from pressure oil in first sealed volume to second segment valve element (outer lug step it is upper
End face) apply pressure, move downward valve element, while the back-moving spring in compressive state also promotes valve element to move downward;With
This simultaneously, the oil stream of the second sealed volume goes out the second valve pocket oil duct, then flows out the second cover plate oil duct;Moved downward (i.e. with valve element
When valve element moves downwardly to relevant position), communicated between the first hydraulic fluid port, the 3rd hydraulic fluid port, oil duct cavity, pressure oil is due to quilt
3rd section of valve element stops, it is impossible to enters oil duct cavity from the second hydraulic fluid port.Now, the first hydraulic fluid port and the 3rd hydraulic fluid port communicate, it is allowed to compared with
Low discharge circulates, and flow circulation now is equivalent to the pressure oil circulation for waiting latus rectum guiding valve flow.
When the input pressure oil into the second cover plate oil duct, pressure oil enters the second valve pocket oil duct from the second cover plate oil duct,
Enter back into the second sealed volume;Pressure oil in second sealed volume is to the lower surface of second segment valve element (under outer lug step
End face) apply pressure, valve element is moved upwards, at the same time, the oil stream of the first sealed volume goes out the first valve pocket oil duct, then flows out
First cover plate oil duct;Moved upwards with valve element (when i.e. valve element moves up to relevant position), the axial direction of the second hydraulic fluid port and valve pocket
Through hole communicates, and is communicated at the lower end of valve pocket axially extending bore with oil duct cavity, and pressure oil by the 3rd section of valve element due to being stopped, no
Oil duct cavity can be entered from the first hydraulic fluid port.Now, the axially extending bore of the second hydraulic fluid port and valve pocket communicates, it is allowed to the pressure oil of big flow
Circulation.
With reference to shown in Fig. 2, the described the 3rd section of valve pocket, which is provided with, to be used to prevent the internal projection that valve element moves downward, the 3rd section of valve
Core is provided with the outer lug being adapted with internal projection, and internal projection is located at the following of the second hydraulic fluid port, and outer lug is located under the 3rd hydraulic fluid port
Side.Valve element has been moved downward an extreme position, now also function to sealing function.It is close that first is provided with described valve element guide sleeve
Sealing, valve element pass through valve element guide sleeve and first seal, and first seal can prevent the pressure oil in the first sealed volume from letting out
Dew.Second seal is provided with described second segment valve element, second seal can obstruct the first sealed volume and the second sealing is held
The pressure oil of intracavitary is connected.The 3rd seal is provided with the 3rd section of described valve element, the 3rd seal is located at the 3rd hydraulic fluid port
Top, the 3rd seal can prevent the pressure oil in the second sealed volume from revealing.Described oil duct cavity and back-moving spring cavity
Communicate, the pressure area of first paragraph valve element upper surface is equal with the pressure area of the 3rd section of valve element lower surface;Pressure oil acts on
The area of first paragraph valve element upper surface or the area of the 3rd section of valve element lower surface are referred to as pressure area, due to oil duct cavity and again
Position spring plenum length is communicated, and pressure oil can be flowed to back-moving spring cavity by oil duct cavity, so can ensure valve element most
The pressure of upper end and bottom is equal, interference of the discharge pressure to valve element, ensures valve element having stable behavior.
A kind of hydraulic pile system, including inserted valve, pile hammer, differential hydro cylinder, pressure oil device, oil return box, electromagnetism
Valve.Described inserted valve has two.Pile hammer includes piston rod, hydraulic piston and hammer core, and hammer core is arranged on the lower end of piston rod,
The piston rod of pile hammer passes through differential hydro cylinder, and piston rod is provided with hydraulic piston, and hydraulic piston is formed with differential hydro cylinder
Hydraulic cavities and lower hydraulic pressure chamber.Pressure oil device respectively with lower hydraulic pressure chamber, the second hydraulic fluid port of two inserted valves, magnetic valve pressure oil
Mouthful it is connected, the second hydraulic fluid port of two inserted valves is connected to logical, and lower hydraulic pressure chamber is connected with the second hydraulic fluid port of two inserted valves,
Upper hydraulic cavities are connected with the axially extending bore of two inserted valve valve pockets, and the first hydraulic fluid port of two inserted valves is connected with oil return box,
First hydraulic fluid port of two inserted valves is connected to logical, and the oil return opening of magnetic valve is connected with oil return box, the first control of magnetic valve
Mouth is connected with the first cover plate oil duct, and the second control mouth of magnetic valve is connected with the second cover plate oil duct.
When magnetic valve is under power failure state, the pressure oil port of magnetic valve communicates with the first control mouth of magnetic valve, electromagnetism
The oil return opening of valve communicates with the second control mouth of magnetic valve;When magnetic valve be under electricity condition, the pressure oil port of magnetic valve with
Second control mouth of magnetic valve communicates, and the oil return opening of magnetic valve communicates with the first control mouth of magnetic valve.
With reference to shown in Fig. 1 and Fig. 5, it is logical that the solid dot in Fig. 5 represents that each oil circuit at the solid dot is connected to.With
When the hydraulic pile system makes the pile hammer up move, a part of pressure oil of pressure oil device flows into the lower liquid of differential hydro cylinder
Chamber is pressed, pile hammer is up moved;A part of pressure oil of pressure oil device flows to magnetic valve, and (now magnetic valve is in dead electricity shape
State) pressure oil port, then flowed out by the first control mouth of magnetic valve, then the first cover plate oil duct flowed to, so that valve element is down transported
Dynamic, when valve element down moves to a certain degree, the first hydraulic fluid port and the 3rd hydraulic fluid port are connected, hydraulic pressure intracavitary on differential hydro cylinder
Pressure oil flows to the oil duct cavity of valve element, then flow to oil return box from the 3rd hydraulic fluid port and the first hydraulic fluid port.
With reference to shown in Fig. 4 and Fig. 6, it is logical that the solid dot in Fig. 6 represents that each oil circuit at the solid dot is connected to.With
When the hydraulic pile system makes the pile hammer down move, a part of pressure oil of pressure oil device flows to magnetic valve (now electromagnetism
Valve is in obtain electricity condition) pressure oil port, then flowed out by the second control mouth of magnetic valve, then flow to the second cover plate oil duct, so as to
Valve element is set up to move, when valve element up moves to a certain degree, the second hydraulic fluid port is connected with the axially extending bore of valve pocket, differential
Pressure oil in hydraulic cylinder lower hydraulic pressure chamber flows to the second hydraulic fluid port, then flows to the upper hydraulic cavities of differential hydro cylinder, so that pile hammer
Move downward.A part of hydraulic fluid port of pressure oil stream second of pressure oil device, promotes pile hammer to move downward.
The present invention is additionally provided with the trimmer valve of the upper hydraulic cavities of connection and lower hydraulic pressure chamber, in pile hammer by dropping hammer to proposing hammer conversion
When, trimmer valve can make hydraulic cavities be connected with lower hydraulic pressure chamber.
Hydraulic pile system also includes two the first accumulators, and the first accumulator is connected with the second hydraulic fluid port.First energy storage
Device is high-voltage energy storage device, and when pile hammer is up moved, the pressure oil of the first accumulator release flows to the lower liquid of differential hydro cylinder
Chamber is pressed, to promote pile hammer up to move, the second accumulator is when pile hammer moves downward, storage excess pressure oil.Hydraulic pressure is beaten
Stake system also includes the second accumulator, and the second accumulator is connected with the first hydraulic fluid port, and the second accumulator is low pressure accumulator, and second
When pile hammer is switched to and up moved, the oil pipe in hydraulic pile system can vibrate accumulator, and the second accumulator absorbs oil pipe
The energy of vibration, prevent oil pipe high vibration.
The inserted valve of two-bit triplet of the present invention, is controlled using bidirection press, fast response time, only needs less pressure oil
Inserted valve is controlled, and commutation action is unrelated with the dynamic characteristics for the fluid that circulates, and meet that the flow in differential system controls difference.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (8)
- A kind of 1. inserted valve for hydraulic pile system, it is characterised in that:Including control cover plate, valve element, valve pocket, reset bullet Spring, valve element guide sleeve;Described valve element is divided into first paragraph valve element, second segment valve element, the 3rd section of valve element from top to bottom, described Valve pocket be divided into first paragraph valve pocket, second segment valve pocket, the 3rd section of valve pocket from top to bottom;Described valve element is inserted in the axle of valve pocket Into through hole, first paragraph valve element and first paragraph valve pocket form and are oriented to cavity, and valve element is oriented to be set on and is oriented on cavity;Second segment Valve pocket, valve element guide sleeve, first paragraph valve element, second segment valve element surround the first sealed volume, second segment valve pocket, the 3rd section of valve pocket, Second segment valve element, the 3rd section of valve element surround the second sealed volume;Second segment valve pocket is provided with the first valve pocket oil duct and the second valve pocket Oil duct, the first valve pocket oil duct communicate with the first sealed volume, and the second valve pocket oil duct communicates with the second sealed volume;3rd section of valve pocket The first hydraulic fluid port of multiple radial directions and the second hydraulic fluid port of multiple radial directions are provided with, the first hydraulic fluid port is located at the top of the second hydraulic fluid port;3rd Section valve element is provided with the 3rd hydraulic fluid port of multiple radial directions, and oil duct cavity is provided with the 3rd section of valve element, is provided with and is used in first paragraph valve element The back-moving spring cavity of back-moving spring is placed, the 3rd hydraulic fluid port communicates with oil duct cavity;Described valve pocket is inserted in control cover plate, control The first cover plate oil duct and the second cover plate oil duct are provided with cover plate processed, the first cover plate oil duct communicates with the first valve pocket oil duct, the second lid Leaf fat road communicates with the second valve pocket oil duct;One end of back-moving spring connects with control cover plate, and the other end connects with second segment valve element;Moved upwards with valve element, the second hydraulic fluid port communicates with the axially extending bore of valve pocket, is moved downward with valve element, the first hydraulic fluid port and the 3rd Hydraulic fluid port communicates;The 3rd section of described valve pocket, which is provided with, to be used to prevent the internal projection that valve element moves downward, and the 3rd section of valve element is provided with and internal projection phase The outer lug of adaptation, internal projection are located at the following of the second hydraulic fluid port, and outer lug is located at the following of the 3rd hydraulic fluid port;First seal is provided with described valve element guide sleeve.
- 2. according to a kind of inserted valve for hydraulic pile system described in claim 1, it is characterised in that:Described second segment Second seal is provided with valve element.
- 3. according to a kind of inserted valve for hydraulic pile system described in claim 1, it is characterised in that:Described the 3rd section The 3rd seal is provided with valve element, the 3rd seal is located at the top of the 3rd hydraulic fluid port.
- 4. according to a kind of inserted valve for hydraulic pile system described in claim 1, it is characterised in that:Described oil duct is empty Chamber communicates with back-moving spring cavity, the pressure area of first paragraph valve element upper surface and the pressure area phase of the 3rd section of valve element lower surface Deng.
- A kind of 5. hydraulic pile system, it is characterised in that:Including according to the inserted valve any one of Claims 1-4, going back Including pile hammer, differential hydro cylinder, pressure oil device, oil return box, magnetic valve;The piston rod of pile hammer passes through differential hydro cylinder, Piston rod is provided with hydraulic piston, and hydraulic piston forms hydraulic cavities and lower hydraulic pressure chamber with differential hydro cylinder;Pressure oil device point Pressure oil port not with lower hydraulic pressure chamber, the second hydraulic fluid port, magnetic valve is connected, and lower hydraulic pressure chamber is connected with the second hydraulic fluid port, upper hydraulic pressure Chamber is connected with the axially extending bore of valve pocket, and the first hydraulic fluid port is connected with oil return box, and the oil return opening of magnetic valve is connected with oil return box, First control mouth of magnetic valve is connected with the first cover plate oil duct, and the second control mouth of magnetic valve is connected with the second cover plate oil duct It is logical;When magnetic valve is under power failure state, the pressure oil port of magnetic valve communicates with the first control mouth of magnetic valve, magnetic valve Oil return opening communicates with the second control mouth of magnetic valve;When magnetic valve be under electricity condition, the pressure oil port and electromagnetism of magnetic valve Second control mouth of valve communicates, and the oil return opening of magnetic valve communicates with the first control mouth of magnetic valve;Hydraulic pile system is additionally provided with the trimmer valve of the upper hydraulic cavities of connection and lower hydraulic pressure chamber.
- 6. according to a kind of hydraulic pile system described in claim 5, it is characterised in that:Described inserted valve has two.
- 7. according to a kind of hydraulic pile system described in claim 6, it is characterised in that:Hydraulic pile system also includes two the One accumulator, the first accumulator are connected with the second hydraulic fluid port.
- 8. according to a kind of hydraulic pile system described in claim 7, it is characterised in that:Hydraulic pile system also includes the second storage Energy device, the second accumulator are connected with the first hydraulic fluid port.
Priority Applications (1)
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CN107620308A (en) * | 2017-10-24 | 2018-01-23 | 江苏巨威机械有限公司 | guide rod type hydraulic pile hammer |
CN108180299B (en) * | 2017-12-28 | 2019-06-18 | 江苏金晟元特种阀门股份有限公司 | A kind of one-way flow valves |
CN108518369B (en) * | 2018-03-20 | 2023-09-29 | 广东力源液压机械有限公司 | Cartridge valve high-flow dynamic output control method and cartridge valve |
CN108953269B (en) * | 2018-08-24 | 2020-05-15 | 山东益格液压机械有限公司 | Cartridge valve |
CN109372816A (en) * | 2018-12-19 | 2019-02-22 | 江苏巨威机械有限公司 | Two-position three way quick response hydraulic operated valve |
CN109737112A (en) * | 2019-01-30 | 2019-05-10 | 广东科达洁能股份有限公司 | A kind of super-pressure dynamic valve |
CN111022407A (en) * | 2019-12-30 | 2020-04-17 | 广东力源液压机械有限公司 | High-flow cartridge valve and control method thereof |
CN110966275B (en) * | 2019-12-30 | 2024-05-14 | 广东力源液压机械有限公司 | Damping buffer method of large-flow throttling buffer cartridge valve and cartridge valve |
CN116498614A (en) * | 2023-04-24 | 2023-07-28 | 通用技术集团大连机床有限责任公司 | Normally open type large-flux two-way cartridge valve |
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DE3203533A1 (en) * | 1982-02-03 | 1983-08-04 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulic cartridge valve |
US5599409A (en) * | 1995-07-14 | 1997-02-04 | Bridgestone/Firestone, Inc. | Radial tire/wheel assembly for high brake heat generated service |
CN2643052Y (en) * | 2003-04-10 | 2004-09-22 | 中海油田服务股份有限公司 | Two-way normally open and normally closed cartridge valve |
CN201225444Y (en) * | 2008-05-31 | 2009-04-22 | 山东泰丰液压设备有限公司 | Two-stage piloted main control type hydraulic two-way cartridge valve |
CN201547050U (en) * | 2009-11-30 | 2010-08-11 | 佛山市恒力泰机械有限公司 | Rapid-response cartridge valve |
CN201972989U (en) * | 2011-03-09 | 2011-09-14 | 佛山市恒力泰机械有限公司 | Cover plate type three-way insertion valve |
PL219896B1 (en) * | 2011-11-02 | 2015-07-31 | Ct Rozwoju Techniki Spółka Z Ograniczoną Odpowiedzialnością | 3/2 cartridge distributor |
CN205858821U (en) * | 2016-06-23 | 2017-01-04 | 广东力源液压机械有限公司 | A kind of hydraulic pile system and inserted valve thereof |
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