CN109594561A - Hydraulic linear impact vibration pile monkey machine - Google Patents
Hydraulic linear impact vibration pile monkey machine Download PDFInfo
- Publication number
- CN109594561A CN109594561A CN201811321606.XA CN201811321606A CN109594561A CN 109594561 A CN109594561 A CN 109594561A CN 201811321606 A CN201811321606 A CN 201811321606A CN 109594561 A CN109594561 A CN 109594561A
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- Prior art keywords
- hydraulic
- spool
- impact vibration
- actuator port
- pile monkey
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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
- E02D7/26—Placing by using several means simultaneously
Abstract
The invention discloses hydraulic linear impact vibration pile monkey machine, the hydraulic linear impact vibration pile monkey machine includes impact vibration seat, the hydraulic cylinder for applying impact and vibration to the impact vibration seat, the hydraulic station for driving the hydraulic cylinder and changes the reversing mechanism for entering the direction of hydraulic oil of the hydraulic cylinder by predeterminated frequency；The hydraulic cylinder includes cylinder body and piston rod, the cylinder body it is direct or indirect be fixed on the impact vibration seat, the piston rod is fixed with jump bit.Hydraulic linear impact vibration pile monkey machine of the invention has bigger pile sinking power, and Piling speed is fast, mechanical efficiency is high.
Description
Technical field
The present invention relates to architectural engineerings, the foundation pile construction mechanical technique of engineer equipment, and in particular to hydraulic linear impact vibration
Dynamic pile monkey machine.
Background technique
It is frequently necessary to carry out pile foundation construction in fields such as engineering machinery, marine engineering equipment, offshore wind farm and bridge spanning the seas.
The construction of pile foundation is dependent on equipment such as pile monkey machines.
Current pile monkey machine has that Piling speed is slow, energy consumption is high.For example, Publication No. CN108252304A, name
The referred to as patent of invention of " electric impacting pile hammer ", including station, control cabinet, power supply and hammer body, the invention pass through variable-frequency electric
Machine drives winch drum and then lift hammer core, the quick release when hammering core into shape and arriving preset height, hammer core freely falling body impact piling, in fact
Existing power grid electric energy is converted into piling impact potential energy.The device uses electric power as power, but structure is still traditional jump bit, according to
It drives piles by impact force, energy loss is bigger, and speed is slow, mechanical efficiency is relatively low.
Summary of the invention
In view of this, present invention contemplates that providing hydraulic linear impact vibration pile monkey machine, speed is fast, mechanical efficiency is high.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The present invention provides hydraulic linear impact vibration pile monkey machine, the pile monkey machine includes impact vibration seat, to the punching
It hits the hydraulic cylinder of vibrating seat application impact and vibration, the hydraulic station of the driving hydraulic cylinder and changes described in entrance by predeterminated frequency
The reversing mechanism in the direction of the hydraulic oil of hydraulic cylinder；
The hydraulic cylinder includes cylinder body and piston rod, the cylinder body it is direct or indirect be fixed on the impact vibration seat,
The piston rod is fixed with jump bit；The jump bit, which applies the impact vibration seat in the piston rod movement, to be impacted,
The cylinder body, which applies the impact vibration seat in the piston rod movement, to be vibrated.
In above scheme, the top of the hydraulic cylinder is arranged in the piston rod, and the direction of motion is vertical direction；It is described
The top of the impact vibration seat is fixed in the bottom end of cylinder body；The jump bit includes fixed part and impact portion, the fixed part
It is fixed with the piston rod, the impact portion extends along the cylinder body periphery to the impact vibration seat above the cylinder body；
When the piston rod movement, the jump bit is driven to move, and the impact vibration seat is applied and is impacted.
In above scheme, the pile monkey machine is additionally provided with impact reinforcing mechanisms, and the impact reinforcing mechanisms include being set to
The elastomeric element of the impact vibration seat；When the jump bit moves upwards under the drive of the piston rod, the elastic portion
Part is by compress energy storage；When the jump bit moves downward under the drive of the piston rod, the elastic force of the elastomeric element is pushed
The jump bit moves downward.
In above scheme, the reversing mechanism include the valve body of bore seal and one end be set to the body cavity and
The spool being able to rotate；The valve body is equipped with the first actuator port and the second actuator port for connecting the hydraulic cylinder, the spool
It is provided with the oil inlet pipe and oil return line for connecting the hydraulic station；The oil inlet pipe includes that at least one can be connected to described
The oil outlet of one actuator port or second actuator port, the oil return line include that at least one can be connected to second work
Make the oil inlet of hydraulic fluid port or first actuator port；
At least two are preset in the operating position of circumference uniform distribution in the circumference that the spool is rotated at one；The spool
When turning to the first operating position, the oil outlet is connected to second actuator port, the oil inlet is connected to first work
Make hydraulic fluid port；When the valve core rotation to the second operating position, the oil outlet is connected to first actuator port, the oil inlet
It is connected to second actuator port；Wherein, first operating position and second operating position are in the spool circumference
The adjacent operating position in direction.
In above scheme, first actuator port and second actuator port are opened in the valve body excircle
Above and axially align；There are two respectively correspond institute around entire spool circumference, radial position for setting on the excircle of the spool
The join domain of the first actuator port and second actuator port is stated, each join domain is offered by described fuel-displaced
Mouthful and the circle hydraulic fluid port that is alternately arranged of the oil inlet, the hydraulic fluid port in two join domains be aligned axially, and it is axial
Two hydraulic fluid port types of alignment are not identical.
In above scheme, periphery of the spool between two join domains is offered around entire spool periphery
Annular groove, the oil outlet is the U-lag being axially connected to the annular groove that opens up of the join domain；The spool is also
Offer the consistent centre bore of axially extending, axis and valve core axis, the oil inlet opened up for the join domain with institute
State the first through hole of centre bore radial communication；The U-lag is not connected to the centre bore radially, the first through hole and institute
Annular groove is stated not to be connected to axially；
The oil inlet pipe is to begin from the annular groove, and first actuator port or institute are flowed into after the U-lag
State the pipeline of the second actuator port process；The oil return line is from first actuator port or second actuator port
Begin, the pipeline of the hydraulic station oil return is flowed to after the first through hole, the centre bore；The valve body is additionally provided with connection institute
Hydraulic station is stated to connect hydraulic fluid port with the first of the annular groove and be connected to the second connection hydraulic fluid port of the hydraulic station and the centre bore,
The spool, which is offered, connect the second through-hole that hydraulic fluid port is connected to merging with the centre bore with described second.
In above scheme, the spool is additionally provided with two annular grooves, two annulars at the both ends of the body cavity
One of them in slot offers second through-hole, another offers the third through-hole being connected to the centre bore.
In above scheme, the reversing mechanism further includes the motor for driving the valve core rotation, one end position of the spool
In the body cavity, the other end of the spool is pierced by the output axis connection of the valve body Yu the motor；The motor
For variable-frequency motor.
In above scheme, the valve body is additionally provided with valve core housing, and the valve core housing is provided with the accommodating space of both ends open；
The spool is arranged in the accommodating space, the spool and valve core housing in the junction at both ends in one end of the body cavity
It is provided with sealing structure；The outer wall of the valve core housing is fixed on the body cavity.
In above scheme, the sealing structure is labyrinth seal structure.
Hydraulic linear impact vibration pile monkey machine of the invention, impact vibration seat, to the impact vibration seat apply impact and
The side of the hydraulic cylinder of vibration, the hydraulic station for driving the hydraulic cylinder and the hydraulic oil for entering the hydraulic cylinder by predeterminated frequency change
To reversing mechanism；The cylinder body it is direct or indirect be fixed on the impact vibration seat, the piston rod is fixed with jump bit；
The jump bit, which applies the impact vibration seat in the piston rod movement, to be impacted, and the cylinder body is in the piston rod movement
When to the impact vibration seat apply vibrate；As it can be seen that hydraulic linear impact vibration pile monkey machine of the invention, passes through jump bit and cylinder
Body applies shock and vibration to impact vibrating seat simultaneously, vibratory impulse coupling, generates bigger pile sinking power, and Piling speed is fast, machine
Tool is high-efficient.
Other beneficial effects of the invention will combine specific technical solution to further illustrate in a specific embodiment.
Detailed description of the invention
Fig. 1 is the schematic diagram of hydraulic linear of embodiment of the present invention impact vibration pile monkey machine；
Fig. 2 is after the impact vibration seat and hydraulic cylinder in hydraulic linear of embodiment of the present invention impact vibration pile monkey machine assemble
Schematic diagram；
Fig. 3 is the schematic diagram of the hydraulic cylinder in hydraulic linear of embodiment of the present invention impact vibration pile monkey machine；
Fig. 4 is the valve body in hydraulic linear of embodiment of the present invention impact vibration pile monkey machine and the schematic diagram after spool assembling；
Fig. 5 is the schematic diagram of the valve body in hydraulic linear of embodiment of the present invention impact vibration pile monkey machine；
Fig. 6 is the schematic diagram of the spool in hydraulic linear of embodiment of the present invention impact vibration pile monkey machine；
Fig. 7 be Fig. 6 in C-C to diagrammatic cross-section；
Fig. 8 is the schematic diagram of the valve core housing in hydraulic linear of embodiment of the present invention impact vibration pile monkey machine.
Specific embodiment
It should be noted that unless otherwise indicated and being limited, term " connection " should be done extensively in record of the embodiment of the present invention
Reason and good sense solution, for example, it may be electrical connection, the connection being also possible to inside two elements can be directly connected, can also pass through
Intermediary is indirectly connected, and for the ordinary skill in the art, can understand above-mentioned term as the case may be
Concrete meaning.
It should be noted that the term " Yi Er third " such as related in the embodiment of the present invention, is only difference class
As object, do not represent the particular sorted for object, it is possible to understand that ground, " first second third " can in the case where permission
To exchange specific sequence or precedence.It should be understood that the object that " Yi Er third " is distinguished in the appropriate case can be with
It exchanges, so that the embodiment of the present invention described herein can be with the sequence reality other than those of illustrating or describe herein
It applies.
The embodiment of the invention provides hydraulic linear impact vibration pile monkey machines, and the pile monkey machine may include impact vibration
Seat applies impact and the hydraulic cylinder vibrated to the impact vibration seat, drives the hydraulic station of the hydraulic cylinder and press predeterminated frequency
Change the reversing mechanism for entering the direction of hydraulic oil of the hydraulic cylinder；The hydraulic cylinder includes cylinder body and piston rod, the cylinder
Body it is direct or indirect be fixed on the impact vibration seat, the piston rod is fixed with jump bit；The jump bit is in the work
The impact vibration seat is applied when stopper rod moves and is impacted, the cylinder body is in the piston rod movement to the impact vibration seat
Apply vibration.The jump bit, which applies the impact vibration seat in the piston rod movement, to be impacted, and refers to jump bit in liquid
The impact vibration seat is directly hit under the impact of pressure power；The cylinder body is in the piston rod movement to the impact vibration
Seat applies vibration, refers to that cylinder body can generate vibration under the action of the hydraulic oil constantly changed direction；Here, conversion rate is got over
Fastly, vibration frequency is higher, and the pile sinking power of generation is bigger；And cylinder body it is direct or indirect be fixed on the impact vibration seat, so
The vibration that cylinder body generates can be applied to the impact vibration seat.
The principle of the embodiment of the present invention: shock and vibration, vibration are applied to impact vibrating seat simultaneously by jump bit and cylinder body
Dynamic impact coupling, generates bigger pile sinking power, Piling speed is fast, mechanical efficiency is high.And the impact vibration seat is applied and is rushed
The power hit is hydraulic system, and hydraulic system start and stop speed is fast, it is possible that will not generate resonance with other components or generate
The time of resonance is short, avoids the impact failure to other parts members in pile monkey machine.
In one embodiment, the piston rod can be set in the top of the hydraulic cylinder, and the direction of motion is perpendicular
Histogram to；The top of the impact vibration seat is fixed in the bottom end of the cylinder body；The jump bit includes fixed part and impact portion,
The fixed part is fixed with the piston rod, and the impact portion is shaken along the cylinder body periphery to the impact above the cylinder body
Dynamic seat extends, i.e., the described impact portion is exactly the ring for being sheathed on the cylinder body；When the piston rod movement, the impact is driven
Hammer movement, and the impact vibration seat is applied and is impacted.Since the chamber of hydraulic cylinder is divided into rod chamber and rodless cavity, rod chamber,
Rodless cavity piston area differs, and in the present embodiment, above, the rod chamber piston area of top is small for piston rod, lower section without bar
Chamber piston area is big；When the reversing mechanism is changed direction by setting time, the time phase of the piston rod upstream or downstream
Deng, and no matter upstream or downstream, the oil inlet quantity of the cylinder body is also equal, pipeline oil pressure is also equal, in this way, can according to hydraulic principle
Know: because the rod chamber piston area of top is small, the speed of downlink is bigger, i.e. the stroke length of downlink is long greater than the stroke of uplink
Degree, each downlink, jump bit can all strike impact vibration seat, apply to the impact vibration seat and impact.
In one embodiment, the pile monkey machine is also provided with impact reinforcing mechanisms, the impact reinforcing mechanisms
Elastomeric element including being set to the impact vibration seat；When the jump bit moves upwards under the drive of the piston rod,
The elastomeric element is by compress energy storage；When the jump bit moves downward under the drive of the piston rod, the elastomeric element
Elastic force push the jump bit to move downward.Specifically, the elastomeric element can be compressed spring, in such manner, it is possible in institute
When stating jump bit and moving downward, increase the initial velocity of the jump bit, because the reaction speed of compressed spring rebound is greater than piston
The reaction speed of bar commutation, obtains bigger impact force.
In one embodiment, the reversing mechanism may include that the valve body of bore seal and one end are set to the valve
Intracoelomic cavity and the spool being able to rotate；The valve body is equipped with the first actuator port and the second actuator port for connecting the hydraulic cylinder,
The spool is provided with the oil inlet pipe and oil return line for connecting the hydraulic station；The oil inlet pipe includes that at least one can connect
Lead to the oil outlet of first actuator port or second actuator port, the oil return line includes that at least one can be connected to institute
State the oil inlet of the second actuator port or first actuator port；It is preset at least in the circumference that the spool is rotated at one
Two operating positions in circumference uniform distribution；When the valve core rotation to the first operating position, the oil outlet connection described second
Actuator port, the oil inlet are connected to first actuator port；It is described fuel-displaced when the valve core rotation to the second operating position
Mouth is connected to first actuator port, the oil inlet is connected to second actuator port；Wherein, first operating position and
Second operating position is the operating position adjacent in the spool circumferencial direction.In this way, pass through the cooperation of valve body and spool,
And under the driving of motor equal power device, the hydraulic oil into hydraulic cylinder can be allowed quickly to commutate, guarantee the work of pile monkey machine
Make efficiency.It is understood that reversing mechanism is also possible to solenoid directional control valve, but the commutating frequency of solenoid directional control valve is relatively
It is low.
In one embodiment, first actuator port and second actuator port can be opened in the valve
On external circumference and axially align；There are two around entire spool circumference, radial position point for setting on the excircle of the spool
Do not correspond to the join domain of first actuator port and second actuator port, each join domain offer by
The circle hydraulic fluid port that the oil outlet and the oil inlet are alternately arranged, the hydraulic fluid port in two join domains is axial right
Together, and two hydraulic fluid port types axially aligning are not identical.In this way, valve core rotation one week, the hydraulic oil into hydraulic cylinder can become
Direction several times is finished changing, guarantees that pile monkey machine has higher working efficiency.It is understood that less oil outlet is arranged and oil inlet is also
It is feasible, such as first actuator port and second actuator port are symmetrically provided with the valve body excircle, institute
It states oil outlet and oil inlet is also correspondingly arranged, in this way, valve core rotation one week, the hydraulic oil into hydraulic cylinder only converts first power
To.
In one embodiment, the spool can be offered in the periphery between two join domains around entire
The annular groove of spool periphery, the oil outlet are the U-lag being axially connected to the annular groove that the join domain opens up；
The spool is also provided with the consistent centre bore of axially extending, axis and valve core axis, and the oil inlet is the join domain
The first through hole with the centre bore radial communication opened up；The U-lag and the centre bore are not connected to radially, and described the
One through-hole is not connected to the annular groove axially；The oil inlet pipe is to begin from the annular groove, is flowed after the U-lag
Enter the pipeline that first actuator port or second actuator port pass through；The oil return line is from first working oil
Mouth or second actuator port begin, and the pipeline of the hydraulic station oil return is flowed to after the first through hole, the centre bore；
The valve body is additionally provided with the connection hydraulic station and connects hydraulic fluid port with the first of the annular groove and be connected to the hydraulic station and described
Second connection hydraulic fluid port of centre bore, the spool, which is offered, connect what hydraulic fluid port was connected to merging with the centre bore with described second
Second through-hole.In this way, entire oil inlet pipe and oil return line is relatively simple for structure, it is to be understood that other knots also can be set
Structure, such as each oil inlet or oil return opening pass through hose and are connected to the hydraulic station, and such spool and valve body structure are more complicated.
It should be noted that centre bore here is not " fabrication hole processed for determining workpiece centre " in being usually machined,
But with the consistent hole of valve core axis, for accommodating hydraulic oil.
In one embodiment, the spool can be additionally provided with two annular grooves at the both ends of the body cavity, and two
One of them in a annular groove offers second through-hole, another offers the third being connected to the centre bore
Through-hole.By second through-hole and the third through-hole, the hydraulic oil of the hydraulic station can fill entire valve body and spool
In the cavity of composition, guarantee that the oil of the oil outlet or the oil inlet will not be revealed to both sides.
In one embodiment, the reversing mechanism can also include the motor for driving the valve core rotation, the valve
One end of core is located in the body cavity, and the other end of the spool is pierced by the valve body and the output shaft of the motor connects
It connects.The valve core rotation, revolving speed height, simple structure, convenient control are driven by motor.It is understood that other power parts
It is also possible, such as can be hydraulic motor etc..
In one embodiment, the motor can be variable-frequency motor.In this way, motor speed can easily be adjusted, make
Pile monkey machine generates different impact force and vibration, adapts to different soil properties.Normal work is nor affected on it is understood that not adjusting the speed.
In one embodiment, the valve body is also provided with valve core housing, and the valve core housing is provided with both ends open
Accommodating space；The spool is arranged in the accommodating space in one end of the body cavity, and the spool and valve core housing exist
The junction at both ends is provided with sealing structure；The outer wall of the valve core housing is fixed on the body cavity.It is this by valve body and valve
The design of core retainer plate separation, can guarantee the machining accuracy of valve core housing, preferably guarantee that hydraulic oil will not be revealed.
In one embodiment, the sealing structure can be labyrinth seal structure.Since spool is at work
High-speed rotation, therefore sealing structure is also required to be adapted.It certainly, is also to be adapted to axis there are also a lot of other sealing structures
High-speed rotation, it is not described further.
Below in conjunction with drawings and the specific embodiments, the present invention will be described in further detail.It should be appreciated that this place is retouched
It states that specific examples are only used to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the schematic diagram of hydraulic linear of embodiment of the present invention impact vibration pile monkey machine, as shown in Figure 1, the pile monkey machine
Including impact vibration seat 11, the hydraulic cylinder 12 for applying impact and vibration to the impact vibration seat 11, the driving hydraulic cylinder 12
Hydraulic station 13 and by predeterminated frequency change enter the hydraulic cylinder 12 hydraulic oil direction reversing mechanism；The hydraulic cylinder
12 include cylinder body 121 and piston rod 122, and the cylinder body 121 is fixed on the impact vibration seat 11, and the piston rod 122 is fixed
There is jump bit 15；The jump bit 15, which applies the impact vibration seat 11 when the piston rod 122 moves, to be impacted, the cylinder
Body 121, which applies the impact vibration seat 11 when the piston rod 122 moves, to be vibrated.
It is pile body 19, the impact vibration seat 11 and the pile body 19 below the impact vibration seat 11 in the present embodiment
It is fixed by hydraulic gripper 20.The reversing mechanism passes through sebific duct 21 with the hydraulic station and the hydraulic cylinder and connect.
In the present embodiment, as shown in Figure 2,3, the impact vibration seat is fixed on by screw in the bottom end of the cylinder body 121
The vibrational energy on 11 top, the cylinder body 121 described in this way is directly delivered to the impact vibration seat 11.
In the present embodiment, the top of the hydraulic cylinder 12 is arranged in the piston rod 122, and the direction of motion is vertical side
To；The jump bit 15 includes fixed part 151 and impact portion 152, and the fixed part 151 and the piston rod 122 are fixed, described
Impact portion 152 extends along 121 periphery of cylinder body to the impact vibration seat 11 above the cylinder body 121.Due to the work
The top of the hydraulic cylinder 12 is arranged in stopper rod 122, according to hydraulic principle: because the rod chamber piston area of top is small,
The speed of downlink is bigger, i.e., stroke of the stroke of downlink greater than uplink, each downlink, jump bit 15 can all strike impact vibration
Therefore seat 11 when the piston rod 122 moves downward, drives the jump bit 15 to apply the impact vibration seat 11 and impacts.
In the present embodiment, the fixed part 151 is fixed by screw and the piston rod 122；The fixed part 151 and institute
It states impact portion 152 to fix also by screw, it is to be understood that the fixed part 151 and the impact portion 152 can be integrated.
In the present embodiment, the impact force of the pile monkey machine and vibration in order to further increase, the pile monkey machine is additionally provided with
Reinforcing mechanisms are impacted, the impact reinforcing mechanisms include the elastomeric element for being set to the impact vibration seat；In the present embodiment, institute
Stating elastomeric element is compressed spring 111, and there are six the compressed spring 111 is uniformly arranged in the surrounding of entire jump bit,
The impact reinforcing mechanisms further include spring fixed column 112, spring-compressed circle 113 and Spring retention cap 114, and the spring is fixed
Column 112 is fixed on the impact vibration seat 11, and 113 inner end of spring-compressed circle, which is arranged, is fixed on the jump bit 15, outside
End cap is set to the spring fixed column 112, and can glide on the spring fixed column 112 described in the drive lower edge of the jump bit 15
It is dynamic；The compressed spring 111 is sheathed on the spring fixed column 112, and the bottom of the compressed spring 111 is against the spring
Compression ring 113；The Spring retention cap 114 is sheathed on the top of the spring fixed column 112, for preventing the compressed spring
111 deviate from from the spring fixed column 12.In this way, when the jump bit 15 moves upwards under the drive of the piston rod 122,
The elastomeric element is by compress energy storage；When the jump bit 15 moves downward under the drive of the piston rod 122, the elasticity
The elastic force of component pushes the jump bit 15 to move downward.Specifically, the compressed spring 111 can be butterfly spring.
In the present embodiment, as shown in Fig. 1,4, the reversing mechanism includes valve body 16, spool 17 and motor 18；The spool
17 one end is located in 16 inner cavity of valve body, and the other end is pierced by the output axis connection of the valve body 16 and the motor 18.Institute
Stating spool 17 is the main body for converting hydraulic oil direction, and the valve body 16 is for accommodating the spool, in order to what is passed in and out in spool 17
Oil off-energy, the cavity that the valve body 16 accommodates the spool will not be sealed because of leakage with to be extraneous.The motor 18
For driving the spool 17 to rotate, is driven by motor 18, have the characteristics that revolving speed height, simple structure, convenient control.This reality
It applies in example, the other end of the spool 17 is connect with the output shaft of the motor 18 by shaft coupling.
In the present embodiment, as shown in figure 4, the valve body 16 is additionally provided with valve in order to which the sealing of valve body 16 is easier to ensure that
Core retainer plate 161, the valve core housing 161 are provided with the accommodating space of both ends open；The spool 17 in 16 inner cavity of valve body one
End is arranged in the accommodating space, and the spool 17 and valve core housing 161 are provided with labyrinth seal structure in the junction at both ends
171, i.e., multiple annular grooves, indention are processed in the spool periphery；Such sealing structure adapts to spool 17 and exists
High-speed rotation in work；The outer wall of the valve core housing 161 is fixed on 16 inner cavity of valve body, solid particular by screw 162
It is fixed.
In the present embodiment, in order to rotate the spool 17 in 161 high speed of valve core housing, the valve core housing 161
Both ends are equipped with rolling bearing 168, the axle journal of the both ends setting and the rolling bearing 168 cooperation of the spool.
In the present embodiment, as shown in Figure 4,5, the valve body 16 is equipped with the first actuator port for connecting the hydraulic cylinder 12
163 and second actuator port 164, in the present embodiment, first actuator port 163 and second actuator port 164 are opened
On 16 excircle of valve body and axially align；
As shown in Fig. 4,6, there are two around entire 17 circumference of spool, radial position for setting on the excircle of the spool 17
The join domain of first actuator port 163 and second actuator port 164 is respectively corresponded, each join domain is equal
Hydraulic fluid port including oil outlet and oil inlet, quantity are four, and the oil outlet and the oil inlet are in circle alternate
Arrangement is aligned axially, i.e., hydraulic fluid port is in circumference to having eight rows, axial have two column；
At work, the initialization position of the spool is equivalent to the first above-mentioned operating position, first work
Hydraulic fluid port 163 and the second actuator port 164 are aligned with the hydraulic fluid port of two join domains respectively, and 163 He of the first actuator port
The hydraulic fluid port type of second actuator port 164 alignment is different, i.e., one of actuator port is aligned oil outlet, that another work
Hydraulic fluid port can only be aligned oil inlet, in this way, the circuit of circulation could be constituted.After 1/8th circumference of valve core rotation, it is equivalent to
The hydraulic fluid port exchange of the second operating position stated, first actuator port 163 and the alignment of the second actuator port 164, into described
The direction of the hydraulic oil of hydraulic cylinder is changed, i.e. the direction of motion of the piston rod of hydraulic cylinder is changed.
In the present embodiment, as shown in Figure 6,7, periphery of the spool 17 between two join domains offers circular
The annular groove 173 of 17 periphery of entire spool, the oil outlet open up axial with the annular groove 173 for the join domain
The U-lag 174 of connection；The spool 17 is also provided with axially extending, axis and the consistent centre bore 175 of 17 axis of spool, institute
Stating oil inlet is the first through hole 176 with 175 radial communication of centre bore that the join domain opens up；The U-lag 174
It is not connected to the centre bore 175 radially, the first through hole 176 is not connected to the annular groove 173 axially；In this way,
Begin from the annular groove 173, first actuator port 163 or second actuator port are entered after the U-lag 174
164 pipelines passed through constitute oil inlet pipe；Begin from first actuator port 163 or second actuator port 164, by institute
First through hole 176, centre bore 175 are stated, the pipeline for finally flowing to 13 oil return of hydraulic station constitutes oil return line；The valve body 16
The connection hydraulic station 13 is additionally provided with to connect hydraulic fluid port 165 with the first of the annular groove 173 and be connected to the hydraulic station 13 and institute
The second connection hydraulic fluid port 166 of centre bore 175 is stated, the spool 17, which is offered, connect hydraulic fluid port 166 with merging and institute with described second
State the second through-hole 177 of the connection of centre bore 175.
In the present embodiment, the spool 17 is additionally provided with two annular grooves at the both ends of 16 inner cavity of valve body, described in two
One of them in annular groove offers second through-hole 177, another offers the third being connected to the centre bore 175
Through-hole 178.By second through-hole 177 and the third through-hole 178, the hydraulic oil of the hydraulic station 13 can be filled entirely
In the cavity that valve body 16 and spool 17 are constituted, guarantee that the oil of the oil outlet or the oil inlet will not be revealed to both sides.
In the present embodiment, for the ease of processing the centre bore, one end of the spool is run through in one end of the centre bore,
As shown in Fig. 4,6, what the left end of the centre bore was through, in order to avoid oil leak, the left end is equipped with plug 179.In order to
The U-lag 174 easy to process and first through hole 176 and the disengaging convenient for hydraulic oil, as shown in fig. 7, the U-lag 174
Cross-sectional shape is one trapezoidal, and it is trapezoidal speaker hole that the first through hole 176 also has one section of cross-sectional shape outwardly.
In the present embodiment, work as shown in figure 8, the valve core housing 161 is equipped with first actuator port 163, second
Hydraulic fluid port 164, first connect hydraulic fluid port 165 and second connection hydraulic fluid port 166 cooperate through-hole, so either hydraulic station 13 provide liquid
The hydraulic oil that pressure oil or hydraulic cylinder 12 return, can smoothly pass through the spool.
In the present embodiment, the motor 18 is variable-frequency motor.In this way, the revolving speed of motor 18 can easily be adjusted, make pile monkey
Machine generates different impact force and vibration, adapts to different soil properties.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention, should be included in protection of the invention
Within the scope of.
Claims (10)
1. hydraulic linear impact vibration pile monkey machine, which is characterized in that the pile monkey machine includes impact vibration seat, shakes to the impact
Dynamic seat applies the hydraulic cylinder for impacting and vibrating, the hydraulic station of the driving hydraulic cylinder and changes by predeterminated frequency into described hydraulic
The reversing mechanism in the direction of the hydraulic oil of cylinder；
The hydraulic cylinder includes cylinder body and piston rod, the cylinder body it is direct or indirect be fixed on the impact vibration seat, it is described
Piston rod is fixed with jump bit；The jump bit, which applies the impact vibration seat in the piston rod movement, to be impacted, described
Cylinder body, which applies the impact vibration seat in the piston rod movement, to be vibrated.
2. hydraulic linear impact vibration pile monkey machine according to claim 1, which is characterized in that the piston rod is arranged in institute
The top of hydraulic cylinder is stated, and the direction of motion is vertical direction；The top of the impact vibration seat is fixed in the bottom end of the cylinder body；
The jump bit includes fixed part and impact portion, and the fixed part is fixed with the piston rod, and the impact portion is from the cylinder body
Top extends along the cylinder body periphery to the impact vibration seat；When the piston rod movement, the jump bit is driven to move, and
The impact vibration seat is applied and is impacted.
3. hydraulic linear impact vibration pile monkey machine according to claim 1, which is characterized in that the pile monkey machine is additionally provided with
Reinforcing mechanisms are impacted, the impact reinforcing mechanisms include the elastomeric element for being set to the impact vibration seat；The jump bit exists
When moving upwards under the drive of the piston rod, the elastomeric element is by compress energy storage；The jump bit is in the piston rod
When moving downward under drive, the elastic force of the elastomeric element pushes the jump bit to move downward.
4. hydraulic linear impact vibration pile monkey machine according to claim 1 or 2, which is characterized in that the reversing mechanism packet
The spool that the valve body and one end for including bore seal are set to the body cavity and are able to rotate；The valve body is equipped with described in connection
The first actuator port and the second actuator port of hydraulic cylinder, the spool are provided with the oil inlet pipe for connecting the hydraulic station and return
Oil pipe line；The oil inlet pipe includes that at least one can be connected to the fuel-displaced of first actuator port or second actuator port
Mouthful, the oil return line includes the oil inlet that at least one can be connected to second actuator port or first actuator port；
At least two are preset in the operating position of circumference uniform distribution in the circumference that the spool is rotated at one；The valve core rotation
When to the first operating position, the oil outlet is connected to second actuator port, the oil inlet is connected to first working oil
Mouthful；When the valve core rotation to the second operating position, the oil outlet is connected to first actuator port, oil inlet connection
Second actuator port；Wherein, first operating position and second operating position are in the spool circumferencial direction
Adjacent operating position.
5. hydraulic linear impact vibration pile monkey machine according to claim 4, which is characterized in that first actuator port and
Second actuator port is opened on the valve body excircle and axially aligns；It is provided on the excircle of the spool
Two respectively correspond the connection of first actuator port and second actuator port around entire spool circumference, radial position
Region, each join domain offer by the oil outlet and the oil inlet be alternately arranged one circle hydraulic fluid port, two
Hydraulic fluid port in the join domain is aligned axially, and two axially aligned hydraulic fluid port type is not identical.
6. hydraulic linear impact vibration pile monkey machine according to claim 5, which is characterized in that the spool is connected at two
Periphery between region offers the annular groove around entire spool periphery, and the oil outlet is that the join domain opens up
The U-lag being axially connected to the annular groove；The spool be also provided with axially extending, axis and valve core axis it is consistent in
Heart hole, the oil inlet are the first through hole with the centre bore radial communication that the join domain opens up；The U-lag with
The centre bore is not connected to radially, and the first through hole is not connected to the annular groove axially；
The oil inlet pipe is to begin from the annular groove, and first actuator port or described the are flowed into after the U-lag
The pipeline that two actuator ports pass through；The oil return line is to begin from first actuator port or second actuator port, warp
It crosses after the first through hole, the centre bore and flows to the pipeline of the hydraulic station oil return；The valve body is additionally provided with the connection liquid
Pressure station connects hydraulic fluid port with the first of the annular groove and is connected to the second connection hydraulic fluid port of the hydraulic station and the centre bore, described
Spool, which is offered, connect the second through-hole that hydraulic fluid port is connected to merging with the centre bore with described second.
7. hydraulic linear impact vibration pile monkey machine according to claim 6, which is characterized in that the spool is in the valve body
The both ends of inner cavity are additionally provided with two annular grooves, one of them in two annular grooves offers second through-hole, another
It is a to offer the third through-hole being connected to the centre bore.
8. hydraulic linear impact vibration pile monkey machine according to claim 4, which is characterized in that the reversing mechanism further includes
The motor of the valve core rotation is driven, one end of the spool is located in the body cavity, and the other end of the spool is pierced by
The output axis connection of the valve body and the motor；The motor is variable-frequency motor.
9. hydraulic linear impact vibration pile monkey machine according to claim 8, which is characterized in that the valve body is additionally provided with valve
Core retainer plate, the valve core housing are provided with the accommodating space of both ends open；The spool is arranged in institute in one end of the body cavity
It states accommodating space, the spool and valve core housing and the junction at both ends is provided with sealing structure；The outer wall of the valve core housing is fixed
In the body cavity.
10. hydraulic linear impact vibration pile monkey machine according to claim 9, which is characterized in that the sealing structure is fan
Palace type sealing structure.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321606.XA CN109594561B (en) | 2018-11-07 | 2018-11-07 | Hydraulic linear impact vibration pile hammer machine |
| PCT/CN2019/075111 WO2020093618A1 (en) | 2018-11-07 | 2019-02-14 | Hydraulic linear impact vibration pile hammer machine |
| AU2019377666A AU2019377666B2 (en) | 2018-11-07 | 2019-02-14 | Hydraulic linear impact vibration pile hammer machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321606.XA CN109594561B (en) | 2018-11-07 | 2018-11-07 | Hydraulic linear impact vibration pile hammer machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109594561A true CN109594561A (en) | 2019-04-09 |
| CN109594561B CN109594561B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811321606.XA Active CN109594561B (en) | 2018-11-07 | 2018-11-07 | Hydraulic linear impact vibration pile hammer machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109594561B (en) |
| AU (1) | AU2019377666B2 (en) |
| WO (1) | WO2020093618A1 (en) |
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| CN112343623B (en) * | 2020-11-02 | 2023-06-06 | 中交二航局成都城市建设工程有限公司 | Tunnel segment anti-floating structure and method |
| CN114411869A (en) * | 2022-03-30 | 2022-04-29 | 徐州徐工挖掘机械有限公司 | Oil cylinder, breaking hammer and piling hammer |
| CN115305914A (en) * | 2022-09-13 | 2022-11-08 | 青建总承包建设有限公司 | Hydraulic pile hammer for building construction |
Citations (3)
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|---|---|---|---|---|
| CN207553096U (en) * | 2017-06-11 | 2018-06-29 | 煤炭工业济南设计研究院有限公司 | A kind of civil engineering piling equipment |
| CN207672569U (en) * | 2017-11-13 | 2018-07-31 | 四川工商学院 | A kind of building piling machine |
| CN109469058A (en) * | 2018-10-15 | 2019-03-15 | 许慧保 | A kind of hydraulic excitation high frequency linear percussion mechanism |
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| JPS52154781U (en) * | 1976-05-20 | 1977-11-24 | ||
| JPS5394404A (en) * | 1977-01-31 | 1978-08-18 | Sanwa Kigyo Kk | Device and method for driving pile |
| US4187917A (en) * | 1977-11-30 | 1980-02-12 | Hydroacoustics, Inc. | Pile driver |
| EP0024748A3 (en) * | 1979-02-08 | 1981-08-26 | Proweco Bv. | Construction and/or application in relation to the generation or the use of pressures, forces, flows and movements in and by means of hydraulic or hydro-pneumatic systems |
| SU1025798A1 (en) * | 1981-11-16 | 1983-06-30 | Винницкий политехнический институт | Hydraulic pile hammer |
| EP0266206A1 (en) * | 1986-10-31 | 1988-05-04 | Erico International Corporation | Ground rods and method and apparatus for forming and placing such rods |
| DE4118069C2 (en) * | 1991-06-01 | 1997-11-20 | Udo Hahlbrock | Vibrator for a vibratory hammer |
| CN2240547Y (en) * | 1994-05-21 | 1996-11-20 | 吉林工业大学 | Accelerated down impact hydraulic hammer |
| CN2216079Y (en) * | 1995-04-14 | 1995-12-27 | 赵理郁 | Hydraulic static and dynamic compound pile-driver |
| CN2340810Y (en) * | 1998-09-03 | 1999-09-29 | 华北水利水电学院 | Portable pile driver for emergency |
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| CN104831729A (en) * | 2015-05-11 | 2015-08-12 | 创银机械技术(上海)有限公司 | Impact vibration type pile hammer |
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- 2019-02-14 WO PCT/CN2019/075111 patent/WO2020093618A1/en active Application Filing
- 2019-02-14 AU AU2019377666A patent/AU2019377666B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207553096U (en) * | 2017-06-11 | 2018-06-29 | 煤炭工业济南设计研究院有限公司 | A kind of civil engineering piling equipment |
| CN207672569U (en) * | 2017-11-13 | 2018-07-31 | 四川工商学院 | A kind of building piling machine |
| CN109469058A (en) * | 2018-10-15 | 2019-03-15 | 许慧保 | A kind of hydraulic excitation high frequency linear percussion mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2019377666A1 (en) | 2020-09-24 |
| CN109594561B (en) | 2020-10-27 |
| AU2019377666B2 (en) | 2022-01-13 |
| WO2020093618A1 (en) | 2020-05-14 |
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