CN204194686U - Hydraulic hammer stake machine high frequency is hammered stake hydraulic system into shape and is beaten hammer inserted valve - Google Patents
Hydraulic hammer stake machine high frequency is hammered stake hydraulic system into shape and is beaten hammer inserted valve Download PDFInfo
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- CN204194686U CN204194686U CN201420616306.5U CN201420616306U CN204194686U CN 204194686 U CN204194686 U CN 204194686U CN 201420616306 U CN201420616306 U CN 201420616306U CN 204194686 U CN204194686 U CN 204194686U
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Abstract
The utility model discloses a kind of hydraulic hammer stake machine high frequency hammer stake hydraulic system, comprising: hydraulic pump, its oil suction input access fuel tank; Hammer oil cylinder into shape and be connected and the cover plate valve group controlling its expanding-contracting action with beating; Described cover plate valve group is three groups of cover plate valves, and wherein the first cover plate valve is connected with the first hydraulic fluid port of the second cover plate valve and is connected to hydraulic pump; 3rd cover plate valve is connected with the first hydraulic fluid port of the 4th cover plate valve and is connected to the rodless cavity beaten and hammer oil cylinder into shape; 5th cover plate valve is connected with the first hydraulic fluid port of the 6th cover plate valve and is connected to the rod chamber beaten and hammer oil cylinder into shape; Comprise the magnetic valve group of three magnetic valves, be used for controlling the only logical of cover plate valve.The purpose of this utility model is to provide a kind of hydraulic hammer stake machine high frequency hammer stake hydraulic system, only logical with the two-way high frequency meeting hydraulic circuit, ensures that oil circuit is unobstructed; And efficient, stable, improve operating efficiency.What the invention also discloses a kind of hydraulic hammer stake machine of the cover plate valve group, magnetic valve group and the relevant oil circuit that are integrated with above-mentioned hydraulic system beats hammer inserted valve.
Description
Technical field
The invention belongs to constructional engineering machinery field, relate to a kind of hydraulic hammer stake machine high frequency hammer stake hydraulic system, and be integrated with beating of this system main conduit line and hammer pitching pile valve into shape.
Background technology
In modern construction engineering application, in order to prevent building differential settlement, and add stiff stability and antidetonation etc., for the ground of building, the mode of normal employing beats the ground of pile as building, and beating pile needs special hammer stake machine, and it generally adopts hydraulic pressure to provide power.
Miniature hammer stake machine is a kind of hammer stake equipment being applicable to limited space building site, and its architectural feature is applicable to small-sized construction site, particularly self-built residential building, little high level, industrial building, or every dead level etc.Its light structure, activity are flexibly.But simultaneously because its volume is little, force limited, thus the dynamics of its dozen of hammers and efficiency are than the confidential difference of large set hammer stake.
That improves miniature hammer stake machine beats hammer efficiency, and a kind of effective way improves the collision efficiency of playing hammer, and its frequency is higher, and the number of times acting on the power on pile in the unit interval is more, more can increase work efficiency.In order to increase work efficiency, must improve top hammer oil cylinder top hammer frequency (require 25-30 hammer/minute).Just necessarily require the magnetic valve of hydraulic fluid port A and hydraulic fluid port B repeatedly to switch within the very short time (t < 1s) in this case, the high frequency realizing hydraulic oil is only logical.Because switching time is extremely short, so require that hydraulic circuit must be unblocked as much as possible, for the circulation realizing hydraulic oil creates conditions.Existing technology is difficult to satisfied hammer valve of beating and leads to requirement only for high frequency, and that how to improve miniature hammer stake machine beats hammer efficiency, and the frequency improving top hammer oil cylinder top hammer becomes art technology person's technical problem urgently to be resolved hurrily.
By patent retrieval, there is following known prior art:
Patent 1:
Application number: 201110308944.1, the applying date: 2011.10.13, Shen Qing Publication day: 2013.04.17, high-frequency forging hydraulic system for hydraulic precision forging machine, high-frequency forging hydraulic system for hydraulic precision forging machine relates to a kind of hydraulic system of hydraulic precision forging machine.Mainly in order to solve, the slow problem of current hydraulic precision forging machine rapidity of blow designs.It comprises master cylinder, tup is had bottom main oil cylinder piston bar, hydraulic synchronization cylinder rodless cavity has hydraulic synchronization cylinder epicoele oil pipe to be connected with the working hole A mouth of hydraulic synchronization cylinder pilot valve, hydraulic synchronization cylinder rod chamber has hydraulic synchronization cylinder lower cavity oil pipe to be connected with the working hole B mouth of hydraulic synchronization cylinder pilot valve, master cylinder rodless cavity has master cylinder epicoele oil pipe to be connected with the working hole A mouth of master cylinder solenoid electric valve, master cylinder rod chamber has master cylinder backhaul oil pipe to be connected with the working hole B mouth of master cylinder solenoid electric valve, hydraulic synchronization cylinder piston rod extend in master cylinder from the opening master cylinder casing wall, hydraulic synchronization cylinder piston rod end has piston rod to block up, oil pipe is had to be connected with fuel tank bottom oil outlet on main oil cylinder piston and piston rod.Advantage is that rapidity of blow is fast.
Patent 2:
Application number: 201110306818.2, the applying date: 2011.10.12, Shen Qing Publication day: 2013.04.17, the invention provides a kind of mechanical-hydraulic multiplex control system that can realize high-frequency forging to hydraulic precision forging machine, forge the frequency and can reach more than 750 beats/min, hydraulic precision forging machine can be allowed to carry out cold forging and finishing process the present invention includes forging cylinder block, depression bar, deceive axle, variable-speed motor depression bar pressure strip, depression bar rising arm-tie, spring and depression bar are fixedly connected with, forging oil cylinder piston rod has fuel outlet, depression bar with deceive central axis and be connected.Eccentric shaft is fixedly connected with the axle of variable-speed motor, and forging oil cylinder piston rod is slidably connected with forging cylinder block, and stifled plug cock 1 is fixedly connected with depression bar.Forging oil cylinder piston rod has the drain oil of fuel outlet and inside thereof.
Patent 3:
Application number: 200620047359.5, the applying date: 2006.10.31, Shen Qing Publication day: 2007.10.31, the utility model discloses a kind of high-frequency hydraulic hammer, involving vibrations device, vibration absorber, fixture, hydraulic motor, it is characterized in that, vibrating device involving vibrations case, the vibration component of even number is installed in vibrating bin, vibration component two groups of being divided into number equal, one group of vibration component turns to contrary with another group, each vibration component involving vibrations gear and the eccentric block be connected with vibration gear, described vibration component passes through fluid motor-driven.Piling, pile pulling in the operations such as the utility model can be used for building, bridge, repair the roads.
Found by above retrieval, above technical scheme can not affect novelty of the present invention; And the mutual combination of above patent document can not destroy creativeness of the present invention.
Summary of the invention
The object of this invention is to provide a kind of hydraulic hammer stake machine high frequency hammer stake hydraulic system, only logical with the two-way high frequency meeting hydraulic circuit, ensure that oil circuit is unobstructed, control; And efficient, stable, improve operating efficiency.Another object of the present invention is to provide a kind of valve body (30) of the cover plate valve group, magnetic valve group and the relevant oil circuit that are integrated with above-mentioned hydraulic hammer stake machine high frequency hammer stake hydraulic system, while reaching above-mentioned effect, make structure compacter, two-way circulating of oil circuit is more unobstructed; And safeguard convenient, take up room less, there is higher economic benefit.
For realizing above object, the technical solution used in the present invention is:
A kind of hydraulic hammer stake machine high frequency hammer stake hydraulic system, it is characterized in that, it comprises:
Hydraulic pump (1), its oil suction input is connected with fuel tank (2);
Be connected to and play hammer oil cylinder (6), and control the cover plate valve group of beating hammer oil cylinder (6) expanding-contracting action; Described cover plate valve group is three groups of cover plate valves, and wherein the first cover plate valve (21) is connected with the first hydraulic fluid port of the second cover plate valve (22), and is connected to hydraulic pump (1); 3rd cover plate valve (23) is connected with the first hydraulic fluid port of the 4th cover plate valve (24), and is connected to the rodless cavity playing hammer oil cylinder (6); 5th cover plate valve (25) is connected with the first hydraulic fluid port of the 6th cover plate valve (26), and is connected to the rod chamber playing hammer oil cylinder (6); And the second hydraulic fluid port of the first cover plate valve (21) is upwards connected to the 3rd hydraulic fluid port of the 3rd cover plate valve (23), and the second hydraulic fluid port of the 3rd cover plate valve (23) is upwards connected to the second hydraulic fluid port of the 5th cover plate valve (25); Second hydraulic fluid port of the second cover plate valve (22) is upwards connected to the 3rd hydraulic fluid port of the 4th cover plate valve (24), and the second hydraulic fluid port of the 4th cover plate valve (24) is upwards connected to the 3rd hydraulic fluid port of the 6th cover plate valve (26); 3rd hydraulic fluid port of the first cover plate valve (21) is connected to the oil return opening of fuel tank (2); Second hydraulic fluid port of the 6th cover plate valve (26) is connected to accumulator (8); Second hydraulic fluid port of the second cover plate valve (22) is connected with its control mouth;
Comprise the magnetic valve group of three magnetic valves, wherein: the first magnetic valve (DT1), its first input port is connected on the unloading port of the first cover plate valve (21); Described first magnetic valve (DT1) second input port, and the first delivery outlet is all linked into fuel tank (2), described first magnetic valve (DT1) second delivery outlet cut-off; Second magnetic valve (DT2), its first input port is connected between the 6th cover plate valve (26) and the 4th cover plate valve (24), and its second input port is linked into fuel tank (2); First delivery outlet of described second magnetic valve (DT2) is linked into the control mouth of the 5th cover plate valve (25), and its second delivery outlet is linked into the control mouth of the 6th cover plate valve (26); 3rd magnetic valve (DT3), its first input port is connected between the second cover plate valve (22) and the 4th cover plate valve (24), and its second input port is linked into fuel tank (2); First delivery outlet of described second magnetic valve (DT2) is linked into the control mouth of the 3rd cover plate valve (23), and its second delivery outlet is linked into the control mouth of the 4th cover plate valve (24).
Further, between first input port and fuel tank (2) of described first magnetic valve (DT1), overflow valve (4) is connected with.
Further, unloader (5) is connected with described beating between the rodless cavity oil circuit of hammer valve (6) and fuel tank (2).
An inserted valve is hammered in beating of hydraulic hammer stake machine into shape, and comprise the cover plate valve group of above-mentioned hydraulic hammer stake machine high frequency hammer stake hydraulic system, magnetic valve group and relevant oil circuit, it integrates and forms valve body (30), and described valve body (30) is casting entity.
Further, described valve body (30) is also integrated with overflow valve (4), unloader (5).
Further, described valve body (30) is tetragonal body mechanism; Its upper surface is provided with the first pressure tap (P01), the 3rd pressure tap (P04), the 4th pressure tap (A1) and the 5th pressure tap (B1), and suspension ring (34); Its front end face is provided with the second magnetic valve (DT2) and the 3rd magnetic valve (DT3); Thereafter end face has the first magnetic valve (DT1); There are the first valve body hydraulic fluid port (A) being connected to the rodless cavity playing hammer oil cylinder (6) and the second valve body hydraulic fluid port (B) being connected to the rod chamber playing hammer oil cylinder (6) in its left side; There is the 4th valve body hydraulic fluid port (T) being connected to fuel tank (2) its right side, is connected to the first valve body hydraulic fluid port (P) and the accumulator hydraulic fluid port (P03) of hydraulic pump (1); Its bottom face is provided with mount pad.
As can be seen from the above technical solutions, a kind of hydraulic hammer stake of the present invention machine high frequency hammer stake hydraulic system, by three groups of cover plate valves also, series connection, and the magnetic valve often organizing the other setting of cover plate valve realizes only controlling leading to of oil circuit, thus the flow at high speed of hydraulic control oil, ensure that running of hydraulic power oil when only leading at a high speed is unimpeded.Its principle can be realized by directly connecting of pipeline, but the link road line length of pipeline, and be unfavorable for that high speed conducting flow, and rise and can take very large space, and pipeline easily damages, and damages sooner during high speed circulation, not easily overhauls; Therefore, the present invention proposes another technical scheme simultaneously: inserted valve is hammered in beating of a kind of hydraulic hammer stake machine into shape, comprise the cover plate valve group of above-mentioned hydraulic hammer stake machine high frequency hammer stake hydraulic system, magnetic valve group and relevant oil circuit, it integrates formation valve body, and described valve body is casting entity.
Beneficial effect of the present invention: 1, a kind of hydraulic hammer stake of the present invention machine high frequency hammer stake hydraulic system, the two-way high frequency achieving hydraulic circuit is only logical, ensures that oil circuit is unobstructed; Thus drive the hammer oil cylinder of beating be connected to move back and forth at a high speed, and efficient, stable, improve operating efficiency.
2, beating of a kind of hydraulic hammer stake of the present invention machine hammers inserted valve into shape, be integrated with the valve body of the cover plate valve group of above-mentioned hydraulic hammer stake machine high frequency hammer stake hydraulic system, magnetic valve group and relevant oil circuit, while reaching above-mentioned effect, make structure compacter, two-way circulating of oil circuit is more unobstructed; And safeguard convenient, take up room less, there is higher economic benefit.
Accompanying drawing explanation
Fig. 1 is hydraulic schematic diagram of the present invention.
Fig. 2 is the hydraulic magnetic valve action table of comparisons of the present invention.
Fig. 3 is that the present invention beats hammer inserted valve top view.
Fig. 4 is that the present invention beats hammer inserted valve upward view.
Fig. 5 is that the present invention plays hammer inserted valve front view.
Fig. 6 is that the present invention beats hammer inserted valve left view.
Fig. 7 is that the present invention beats hammer inserted valve right view.
Fig. 8 is that the present invention beats hammer inserted valve rearview.
Word described in figure and numerical reference are expressed as: 1, hydraulic pump; 2, fuel tank; 3, oil filter; 4, overflow valve; 5, unloader; 6, hammer oil cylinder is played; 7, jump bit; 8, accumulator; 21, the first cover plate valve; 22, the second cover plate valve; 23, the 3rd cover plate valve; 24, the 4th cover plate valve; 25, the 5th cover plate valve; 26, the 6th cover plate valve; 30, valve body; 34, suspension ring; DT1, the first magnetic valve; DT2, the second magnetic valve; DT3, the 3rd magnetic valve; A, the first valve body hydraulic fluid port; B, the second valve body hydraulic fluid port; P, the 3rd valve body hydraulic fluid port; T, the 4th valve body hydraulic fluid port; P03, accumulator hydraulic fluid port; P01, the first pressure tap; P02, the second pressure tap; P04, the 3rd pressure tap; A1, the 4th pressure tap; B1, the 5th pressure tap.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
Reference Fig. 1, Fig. 1 are hydraulic schematic diagram of the present invention.
A kind of hydraulic hammer stake machine high frequency hammer stake hydraulic system disclosed by the invention, comprise hydraulic pump 1, its oil suction input is connected with fuel tank 2; Be connected to and play hammer oil cylinder 6, and control the cover plate valve group of beating hammer oil cylinder 6 expanding-contracting action; Described cover plate valve group is three groups of cover plate valves, and wherein the first cover plate valve 21 is connected with the first hydraulic fluid port of the second cover plate valve 22, and is connected to hydraulic pump 1; 3rd cover plate valve 23 is connected with the first hydraulic fluid port of the 4th cover plate valve 24, and is connected to the rodless cavity playing hammer oil cylinder 6; 5th cover plate valve 25 is connected with the first hydraulic fluid port of the 6th cover plate valve 26, and is connected to the rod chamber playing hammer oil cylinder 6; And the second hydraulic fluid port of the first cover plate valve 21 is upwards connected to the 3rd hydraulic fluid port of the 3rd cover plate valve 23, and the second hydraulic fluid port of the 3rd cover plate valve 23 is upwards connected to the second hydraulic fluid port of the 5th cover plate valve 25; Second hydraulic fluid port of the second cover plate valve 22 is upwards connected to the 3rd hydraulic fluid port of the 4th cover plate valve 24, and the second hydraulic fluid port of the 4th cover plate valve 24 is upwards connected to the 3rd hydraulic fluid port of the 6th cover plate valve 26; 3rd hydraulic fluid port of the first cover plate valve 21 is connected to the oil return opening of fuel tank 2; Second hydraulic fluid port of the 6th cover plate valve 26 is connected to accumulator 8; Second hydraulic fluid port of the second cover plate valve 22 is connected with its control mouth;
Comprise the magnetic valve group of three magnetic valves, wherein: the first magnetic valve DT1, its first input port is connected on the unloading port of the first cover plate valve 21; Described first magnetic valve DT1 second input port, and the first delivery outlet is all linked into fuel tank 2, described first magnetic valve DT1 second delivery outlet cut-off; Second magnetic valve DT2, its first input port is connected between the 6th cover plate valve 26 and the 4th cover plate valve 24, and its second input port is linked into fuel tank 2; First delivery outlet of described second magnetic valve DT2 is linked into the control mouth of the 5th cover plate valve 25, and its second delivery outlet is linked into the control mouth of the 6th cover plate valve 26; 3rd magnetic valve DT3, its first input port is connected between the second cover plate valve 22 and the 4th cover plate valve 24, and its second input port is linked into fuel tank 2; First delivery outlet of described second magnetic valve DT2 is linked into the control mouth of the 3rd cover plate valve 23, and its second delivery outlet is linked into the control mouth of the 4th cover plate valve 24.
Preferably, between first input port and fuel tank 2 of described first magnetic valve DT1, overflow valve 4 is connected with.
Preferably, unloader 5 is connected with described beating between the rodless cavity oil circuit of hammer valve 6 and fuel tank 2.
With reference to Fig. 3-8, be respectively six views that the present invention beats hammer inserted valve.
An inserted valve is hammered in beating of hydraulic hammer stake machine into shape, and its concrete structure is, comprise the cover plate valve group of above-mentioned hydraulic hammer stake machine high frequency hammer stake hydraulic system, magnetic valve group and relevant oil circuit, it integrates and forms valve body 30, and described valve body 30 is casting entity.Be integrated in valve body 30 by the main components of above-mentioned hydraulic hammer stake machine high frequency hammer stake hydraulic system and hydraulic circuit, make oil circuit shorter, the circulation of hydraulic oil is more unobstructed, more can meet the logical requirement stopped efficiently.
Preferably, described valve body 30 is also integrated with overflow valve 4, the unloader 5 of above-mentioned hydraulic hammer stake machine high frequency hammer stake hydraulic system.
Preferably, described valve body 3 valve body is tetragonal body mechanism; Its upper surface is provided with the first pressure tap P01, the 3rd pressure tap P04, the 4th pressure tap A1 and the 5th pressure tap B1, and suspension ring 34; Its front end face is provided with the second magnetic valve DT2 and the 3rd magnetic valve DT3; Thereafter end face has the first magnetic valve DT1; There is the first valve body hydraulic fluid port A being connected to the rodless cavity playing hammer oil cylinder 6 and the second valve body hydraulic fluid port B being connected to the rod chamber playing hammer oil cylinder 6 its left side; There is the 4th valve body hydraulic fluid port T being connected to fuel tank 2 its right side, is connected to the first valve body hydraulic fluid port P and the accumulator hydraulic fluid port P03 of hydraulic pump 1; Its bottom face is provided with mount pad.
Hammer inserted valve into shape for beating of hydraulic hammer stake machine below, illustrate the specific works flow process of hydraulic hammer stake machine high frequency hammer stake hydraulic system.
Miniature hammer stake machine is a kind of Novel hammer pile driving construction equipment, in order to increase work efficiency, therefore must improve top hammer oil cylinder top hammer frequency (require 25-30 hammer/minute).A and B hydraulic fluid port magnetic valve is just necessarily required repeatedly to switch within the very short time (t < 1s) in this case.Because switching time is extremely short, so require that hydraulic circuit must be unblocked as much as possible.Therefore research and develop this concentrating, efficient and stable special beating hammers pitching pile valve into shape.
Reference Fig. 2, Fig. 2 are the hydraulic magnetic valve action table of comparisons of the present invention.Namely, during corresponding magnetic valve action, the motion conditions of hammer oil cylinder 6 is beaten.Show in Fig. 1, beat on the hydraulic stem above hammer oil cylinder 6 and be connected with jump bit 7 for driving piles.Oil filter 3 is also connected with, for keeping the hydraulic oil that pumps more clean between fuel tank 2 and hydraulic pump 1.
Particularly, when the first magnetic valve DT1, the second magnetic valve DT2, the 3rd magnetic valve DT3 all must not electricity time, the 5th cover plate valve 25, the 6th cover plate valve 26 jointly pin the second valve body hydraulic fluid port B, namely beat the rod chamber of hammer oil cylinder 6; 3rd cover plate valve 23, the 4th cover plate valve 24 pin the first valve body hydraulic fluid port A jointly, namely beat the rodless cavity of hammer oil cylinder 6; Thus hammer oil cylinder 6 is played in realization and jump bit 7 stops in any position of stroke, is full cut-off state.
When the first magnetic valve DT1 obtains electric, overflow valve 4 works and sets up system pressure simultaneously; Meanwhile, the second magnetic valve DT2, the 3rd magnetic valve DT3 all must not electricity time; Now oil circuit trend is: 1. the first cover plate valve 21--the 3rd cover plate valve 23--first valve body hydraulic fluid port A--beats hammer oil cylinder 6 rodless cavity; 2. hammer oil cylinder 6 rod chamber is beaten--the second valve body hydraulic fluid port B--the 5th cover plate valve 25--the 3rd cover plate valve 23--first valve body hydraulic fluid port A--beats hammer oil cylinder 6 rodless cavity; 3. hydraulic pump 1--second cover plate valve 22--the 4th cover plate valve 24--the 6th cover plate valve 26--accumulator 8; First valve body hydraulic fluid port A is communicated with the second valve body hydraulic fluid port B, makes to play hammer oil cylinder 6 and drives jump bit 7 to form differential quick rising, be and rise state soon.
When the first magnetic valve DT1 obtains electric, overflow valve 4 works and sets up system pressure simultaneously; 3rd magnetic valve DT3 obtains electric simultaneously, and the second magnetic valve DT2 must not electricity.Now oil circuit trend is: 1. hydraulic pump 1--second cover plate valve 22---the 4th cover plate valve 24--first valve body hydraulic fluid port A--beats hammer oil cylinder 6 rodless cavity; Meanwhile, the 4th cover plate valve 24--the 6th cover plate valve 26--accumulator 8; 2. hammer oil cylinder 6 rod chamber is beaten--the second valve body hydraulic fluid port B--the 5th cover plate valve 25--the 3rd cover plate valve 23--first cover plate valve 21--fuel tank 2; Flowed directly into fuel tank 2 from the oil return of beating hammer oil cylinder 6 rod chamber, impel beat that hammer oil cylinder 6 drives jump bit 7 only have place oil-feed, now for rise state slowly.Be convenient to realize overhaul of the equipments under this kind of state.
When the first magnetic valve DT1 obtains electric, overflow valve 4 works and sets up system pressure simultaneously, and the 3rd magnetic valve DT3 must not be electric simultaneously, and the second magnetic valve DT2 obtains electric.Now oil circuit trend is: 1. hydraulic pump 1--second cover plate valve 22--the 4th cover plate valve 24--the 6th cover plate valve 26--second valve body hydraulic fluid port B--beats hammer oil cylinder 6 rod chamber; Meanwhile, accumulator 8 release pressure oil--the 6th cover plate valve 26--second valve body hydraulic fluid port B--beats hammer oil cylinder 6 rod chamber; 2. hammer oil cylinder 6 rodless cavity is beaten--the first valve body hydraulic fluid port A--the 3rd cover plate valve 23--first cover plate valve 21--fuel tank 2.So, play the oil-feed of hammer oil cylinder 6 rod chamber, play the oil return of hammer oil cylinder 6 rodless cavity, can realize playing hammer oil cylinder 6 and fall, jump bit 7 does freely falling body piling construction, is now landing state.
Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above example just understands method of the present invention and core concept thereof for helping.The above is only the preferred embodiment of the present invention, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, also above-mentioned technical characteristic can be combined by rights; These improve retouching, change or combination, or the design of invention and technical scheme are directly applied to other occasion without improving, and all should be considered as protection scope of the present invention.
Claims (6)
1. a hydraulic hammer stake machine high frequency hammer stake hydraulic system, it is characterized in that, it comprises:
Hydraulic pump (1), its oil suction input is connected with fuel tank (2);
Be connected to and play hammer oil cylinder (6), and control the cover plate valve group of beating hammer oil cylinder (6) expanding-contracting action; Described cover plate valve group is three groups of cover plate valves, and wherein the first cover plate valve (21) is connected with the first hydraulic fluid port of the second cover plate valve (22), and is connected to hydraulic pump (1); 3rd cover plate valve (23) is connected with the first hydraulic fluid port of the 4th cover plate valve (24), and is connected to the rodless cavity playing hammer oil cylinder (6); 5th cover plate valve (25) is connected with the first hydraulic fluid port of the 6th cover plate valve (26), and is connected to the rod chamber playing hammer oil cylinder (6);
And the second hydraulic fluid port of the first cover plate valve (21) is upwards connected to the 3rd hydraulic fluid port of the 3rd cover plate valve (23), and the second hydraulic fluid port of the 3rd cover plate valve (23) is upwards connected to the second hydraulic fluid port of the 5th cover plate valve (25); Second hydraulic fluid port of the second cover plate valve (22) is upwards connected to the 3rd hydraulic fluid port of the 4th cover plate valve (24), and the second hydraulic fluid port of the 4th cover plate valve (24) is upwards connected to the 3rd hydraulic fluid port of the 6th cover plate valve (26); 3rd hydraulic fluid port of the first cover plate valve (21) is connected to the oil return opening of fuel tank (2); Second hydraulic fluid port of the 6th cover plate valve (26) is connected to accumulator (8); Second hydraulic fluid port of the second cover plate valve (22) is connected with its control mouth;
Comprise the magnetic valve group of three magnetic valves, wherein: the first magnetic valve (DT1), its first input port is connected on the unloading port of the first cover plate valve (21); Described first magnetic valve (DT1) second input port, and the first delivery outlet is all linked into fuel tank (2), described first magnetic valve (DT1) second delivery outlet cut-off; Second magnetic valve (DT2), its first input port is connected between the 6th cover plate valve (26) and the 4th cover plate valve (24), and its second input port is linked into fuel tank (2); First delivery outlet of described second magnetic valve (DT2) is linked into the control mouth of the 5th cover plate valve (25), and its second delivery outlet is linked into the control mouth of the 6th cover plate valve (26); 3rd magnetic valve (DT3), its first input port is connected between the second cover plate valve (22) and the 4th cover plate valve (24), and its second input port is linked into fuel tank (2); First delivery outlet of described second magnetic valve (DT2) is linked into the control mouth of the 3rd cover plate valve (23), and its second delivery outlet is linked into the control mouth of the 4th cover plate valve (24).
2. a kind of hydraulic hammer stake machine high frequency hammer stake hydraulic system according to claim 1, is characterized in that, between first input port and fuel tank (2) of described first magnetic valve (DT1), be connected with overflow valve (4).
3. a kind of hydraulic hammer stake machine high frequency hammer stake hydraulic system according to claim 1, is characterized in that, be connected with unloader (5) described beating between the rodless cavity oil circuit of hammer valve (6) and fuel tank (2).
4. beating of a hydraulic hammer stake machine hammers inserted valve into shape, it is characterized in that, comprise the cover plate valve group of hydraulic hammer stake machine high frequency according to claim 1 hammer stake hydraulic system, magnetic valve group and relevant oil circuit, it integrates and forms valve body (30), and described valve body (30) is casting entity.
5. beating of a kind of hydraulic hammer stake machine according to claim 4 hammers inserted valve into shape, and it is characterized in that, described valve body (30) is also integrated with overflow valve (4), unloader (5).
6. inserted valve is hammered in beating of a kind of hydraulic hammer stake machine according to claim 4 or 5 into shape, and it is characterized in that, described valve body (30) valve body is tetragonal body mechanism; Its upper surface is provided with the first pressure tap (P01), the 3rd pressure tap (P04), the 4th pressure tap (A1) and the 5th pressure tap (B1), and suspension ring (34); Its front end face is provided with the second magnetic valve (DT2) and the 3rd magnetic valve (DT3); Thereafter end face has the first magnetic valve (DT1); There are the first valve body hydraulic fluid port (A) being connected to the rodless cavity playing hammer oil cylinder (6) and the second valve body hydraulic fluid port (B) being connected to the rod chamber playing hammer oil cylinder (6) in its left side; There is the 4th valve body hydraulic fluid port (T) being connected to fuel tank (2) its right side, is connected to the first valve body hydraulic fluid port (P) and the accumulator hydraulic fluid port (P03) of hydraulic pump (1); Its bottom face is provided with mount pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616306.5U CN204194686U (en) | 2014-10-23 | 2014-10-23 | Hydraulic hammer stake machine high frequency is hammered stake hydraulic system into shape and is beaten hammer inserted valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616306.5U CN204194686U (en) | 2014-10-23 | 2014-10-23 | Hydraulic hammer stake machine high frequency is hammered stake hydraulic system into shape and is beaten hammer inserted valve |
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| Publication Number | Publication Date |
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| CN204194686U true CN204194686U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420616306.5U Withdrawn - After Issue CN204194686U (en) | 2014-10-23 | 2014-10-23 | Hydraulic hammer stake machine high frequency is hammered stake hydraulic system into shape and is beaten hammer inserted valve |
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| CN (1) | CN204194686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353770A (en) * | 2014-10-23 | 2015-02-18 | 湖南明诚机械制造有限公司 | High frequency hammer pile hydraulic system of hydraulic hammer pile machine and hammering cartridge valve of hydraulic hammer pile machine |
-
2014
- 2014-10-23 CN CN201420616306.5U patent/CN204194686U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353770A (en) * | 2014-10-23 | 2015-02-18 | 湖南明诚机械制造有限公司 | High frequency hammer pile hydraulic system of hydraulic hammer pile machine and hammering cartridge valve of hydraulic hammer pile machine |
| CN104353770B (en) * | 2014-10-23 | 2016-03-23 | 湖南明诚机械制造有限公司 | Hydraulic hammer stake machine high frequency is hammered stake hydraulic system into shape and is beaten hammer inserted valve |
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