CN204739018U - Single valve gas -liquid formula hydraulic pile driving hammer - Google Patents
Single valve gas -liquid formula hydraulic pile driving hammer Download PDFInfo
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- CN204739018U CN204739018U CN201520370958.XU CN201520370958U CN204739018U CN 204739018 U CN204739018 U CN 204739018U CN 201520370958 U CN201520370958 U CN 201520370958U CN 204739018 U CN204739018 U CN 204739018U
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- cargo tank
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Abstract
The utility model relates to a single valve gas -liquid formula hydraulic pile driving hammer. Its technical scheme is: including joining in marriage the oil hold, single valve core two -position three way electro -hydraulic reversing valve, the gas storage cabin, two medium hydraulic pressure jars, three high -pressure accumulator, three low pressure energy storage ware, lead oily steel pipe for two, the distribution cabin, when solenoid valve control valve core piston shifts up, the oil feed passageway of hammer and the center intercommunication of single valve core two -position three way electro -hydraulic reversing valve, the return path of hammer is sealed by the case, the hydraulic oil that comes from oil pump and high -pressure accumulator is through leading oily steel pipe to going the beam hanger chamber that the distribution cabin got into two medium hydraulic pressure jars, it goes upward to promote the pneumatic cylinder piston, piston rod pulling hydraulic hammer hammer core goes upward, the action of hammer is proposed in the realization. The beneficial effects are that: simplified the structural design who joins in marriage the oil hold, made processing simpler, the design of single valve core two -position three way electro -hydraulic reversing valve, the interval that utilizes the spool displacement to keep apart oil feed and oil return has guaranteed that both can instantaneously not communicate, make hammer work more reliable, it is more convenient to maintain.
Description
Technical field
The utility model relates to a kind of hydraulic pile hammer, particularly a kind of single valve gas liquid type hydraulic pile hammer.
Background technique
At present, hydraulic pile hammer mainly divides two kinds of forms: full hydraulic hydraulic pile hammer and gas liquid type hydraulic pile hammer, wherein during the work of gas liquid type hydraulic pile hammer, hydraulic cylinder piston upper end is compressed nitrogen or pressurized air, when hammer core rises, low pressure accumulator oil return, during piling, hydraulic cylinder piston upper end compressed nitrogen or pressurized air, promote to hammer core into shape to fall together with hammer core weight, force oil return simultaneously.This hammer all adopts the mode of oiling valve and scavenger valve to form at present, in large hydraulic hammer, adopt the form of plural oiling valve and plural scavenger valve to meet the job requirement of hydraulic hammer instantaneous high pressure large discharge.During normal work, two valves can not be opened simultaneously, but due to the reason of electrical control and threshold switch characteristic, there will be the instantaneous phenomenon simultaneously opened, work capacity is lost, and the design of many valves makes processing valve seat and oil circuit especially complicated, when breaking down, tracing trouble is also very difficult.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, a kind of single valve gas liquid type hydraulic pile hammer is provided, the Function Integration Mechanism of oiling valve and scavenger valve is integrated by single valve, avoid the phenomenon that oiling valve and scavenger valve are opened simultaneously, reduce processing quantity and the pipeline quantity of valve seat simultaneously, make processing more easily, work is more reliable.
A kind of single valve gas liquid type hydraulic pile hammer that the utility model is mentioned, comprise and join cargo tank (1), single spool two-position three way electro-hydraulic reversing valve (2), gas storage cabin (3), two dielectric fluid cylinder pressure (4), three high pressure accumulators (5), three low pressure accumulators (6), two Oil Guide steel pipes (7), distribution cabin (8), wherein, the control valve of single spool two-position three way electro-hydraulic control valve (2) and cover plate are installed on joins cargo tank (1) top, and spool and valve seat are installed on joins cargo tank (1) inside; Three high pressure accumulators (5), three low pressure accumulators (6), the Oil Guide steel pipe (7) of two media operation oil cylinder and gas storage cabin (3) are installed on joins between cargo tank (1) and distribution cabin (8); In gas storage cabin (3), ordered arrangement high pressure accumulator (5), low pressure accumulator (6), Oil Guide steel pipe (7), two dielectric fluid cylinder pressure (4), the axis of its high pressure accumulator (5), Oil Guide steel pipe (7) and the axis being parallel of gas storage cabin (3), the axis of two dielectric fluid cylinder pressure (4) and the central axes of gas storage cabin (3); Within the top of high pressure accumulator (5), low pressure accumulator (6), two dielectric fluid cylinder pressure (4) is inserted joined cargo tank (1) lower surface by Sealing, their bottom inserts the upper surface in distribution cabin (8) equally by Sealing; Described gas storage cabin (3) internal surface and join between cargo tank (1) lower surface, distribution cabin (8) upper surface and form a seal space.
Above-mentioned single spool two-position three way electro-hydraulic reversing valve (2) comprises valve protection lid (21), solenoid directional control valve (22), valve cover (23), valve core piston (24), upper valve base set screw nut (25), upper valve base (26), spool (27), valve seat cover (28), lower valve base (29), lower valve base set screw nut (210), spool (27) is provided with spill port (271), central guiding oilhole (272), oil inlet hole (273), spool (27) and valve core piston (24) form valve core, upper valve base set screw nut (25), upper valve base (26), lower valve base (29), lower valve base set screw nut (210), press order from lower to upper, coaxially be arranged in valve seat cover (28) and form valve body, described valve core bottom is installed in valve body, and valve core top is arranged in valve cover (23), is then installed to by valve body and joins in cargo tank (1), valve cover (23), be fixed on join cargo tank (1) upper surface on.
The above-mentioned upper surface of joining cargo tank (1) is processed with the valve seat orifice coordinated with single core two-position three way electro-hydraulic reversing valve (2), join cargo tank (1) to arrange four from top to bottom and join oily plane, oil return layer plane respectively, oil-feed layer plane, oil reservoir plane and component-mounting layer plane are joined in oil hydraulic cylinder beam hanger chamber, described component-mounting layer comprises high pressure accumulator 5, low pressure accumulator 6, two dielectric fluid cylinder pressure 4, Oil Guide steel pipe 7, in oil return layer plane, low pressure accumulator hydraulic fluid port intercommunicating pore (12) is communicated with the low pressure accumulator oil export (11) of low pressure accumulator 6 respectively, and be communicated with the hammer drainback passage hole (13) of single spool two-position three way electro-hydraulic reversing valve (2), in oil-feed layer plane, high pressure accumulator hydraulic fluid port intercommunicating pore (15) is communicated with the high pressure accumulator oil export (14) of high pressure accumulator (5) respectively, and is communicated with the hammer oil inlet passage hole (16) of single spool two-position three way electro-hydraulic reversing valve (2), join in oil reservoir plane at oil hydraulic cylinder rod chamber, the oil hydraulic cylinder beam hanger chamber of joining on cargo tank (1) is joined cargo tank oil inlet and oil return port hole (18) and is communicated with Oil Guide steel pipe upper communication hole (17), and is communicated with in the mounting hole of joining single core two-position three way electro-hydraulic reversing valve (2) on cargo tank, component-mounting layer is processed with counterbore, and respectively with three high pressure accumulators (5), three low pressure accumulators (6), a two dielectric fluid cylinder pressure (4), two Oil Guide steel pipes (7), meet the requirement that is sealed and matched.
Above-mentioned gas storage cabin (3) is for columnar structured, upper and lower is inner flange and is processed with sealing cylinder respectively, and by bolt with join cargo tank (1), gas storage cabin (3) and distribution cabin (8) are connected, and form a confined space, for stored nitrogen or pressurized air.
Above-mentioned two dielectric fluid cylinder pressures (4) are the operating cylinder of two medium, and be nitrogen or pressurized air at the working medium of upper piston area rodless cavity, bottom rod chamber is hydraulic oil, and rodless cavity top has circular hole, is communicated with gas storage cabin (3).
Above-mentioned distribution cabin (8) is processed with the counterbore coordinated with accumulator, two dielectric fluid cylinder pressure (4), Oil Guide steel pipe (7), join through hole that oil reservoir face is provided with by Oil Guide steel pipe (7) conducting, and be communicated with the beam hanger chamber of two dielectric fluid cylinder pressure (4), distribution aspect is provided with two through holes, the connection of the gas port of high pressure accumulator (5) makes three high pressure accumulators have identical inflation pressure by one, the gas port of low pressure accumulator (6) is communicated with by another, makes three low pressure accumulators have identical inflation pressure.
Two above-mentioned Oil Guide steel pipe (7) upper ends be inserted into coordinate with it join in cargo tank (1) counterbore, lower end is inserted in the counterbore that distribution cabin (8) coordinates with it, is directed in the center spool hole of the single spool two-position three way electro-hydraulic reversing valve (2) of joining in cargo tank (1) by the hydraulic oil of the rod chamber of two dielectric fluid cylinder pressure (4) in distribution cabin (8).
The beneficial effects of the utility model are: utilize valve core structure filler opening and return opening to be closed mutually by adopting single spool two-position three way electro-hydraulic reversing valve to move up and down in process, make both can not be communicated with physically, avoid both and be communicated with the energy loss caused; Simplify the structural design of joining cargo tank, make processing simpler; The design of single spool two-position three way electro-hydraulic reversing valve, utilizes spool travel to isolate the interval of oil-feed and oil return, ensure that both can not instantaneously be communicated with; Single valve designs decreases operation element quantity makes hammer work more reliable, keeps in repair more convenient.
Accompanying drawing explanation
Fig. 1 is outline drawing of the present utility model
Fig. 2 is plan view of the present utility model
Fig. 3 is that A-A of the present utility model is to sectional view
Fig. 4 is that B-B of the present utility model is to sectional view
Fig. 5 is the utility model distribution cabin plan view
Fig. 6 is for joining cargo tank oil return layer sectional view
Fig. 7 is for joining cargo tank oil-feed layer sectional view
Fig. 8 joins oil reservoir sectional view for joining cargo tank oil cylinder beam hanger chamber
Fig. 9 is for joining cargo tank component-mounting layer sectional view
Figure 10 is distribution cabin component-mounting layer sectional view
Figure 11 is distribution cabin distribution layer sectional view
Figure 12 is that oil reservoir sectional view is joined in distribution cabin
Figure 13 is single spool two-position three way electrohydraulic change valve structure figure
In upper figure: join cargo tank 1, single spool two-position three way electro-hydraulic reversing valve 2, gas storage cabin 3, two dielectric fluid cylinder pressure 4, high pressure accumulator 5, low pressure accumulator 6, Oil Guide steel pipe 7, distribution cabin 8,
Cargo tank oil inlet and oil return port hole 18 is joined in low pressure accumulator oil export 11, low pressure accumulator hydraulic fluid port intercommunicating pore 12, hammer drainback passage hole 13, high pressure accumulator oil export 14, high pressure accumulator hydraulic fluid port intercommunicating pore 15, hammer oil inlet passage hole 16, Oil Guide steel pipe upper communication hole 17, oil hydraulic cylinder beam hanger chamber
Valve protection lid 21, solenoid directional control valve 22, valve cover 23, valve core piston 24, upper valve base nut 25, upper valve base 26, spool 27, valve seat 28, lower valve base 29, lower valve base nut 210, spill port 271, central guiding oilhole 272, oil inlet hole 273;
High pressure accumulator gas outlet 81, low pressure accumulator gas outlet 82, low pressure accumulator air-filled pore 83, high pressure accumulator air-filled pore 84, Oil Guide steel pipe lower communication hole 85, oil hydraulic cylinder rod chamber distribution cabin oil inlet and oil return port hole 86.
Embodiment
With reference to accompanying drawing 1-4, a kind of single valve gas liquid type hydraulic pile hammer that the utility model is mentioned, comprise and join cargo tank 1, single spool two-position three way electro-hydraulic reversing valve 2, gas storage cabin 3, two dielectric fluid cylinder pressure 4, three high pressure accumulators 5, three low pressure accumulators 6, two Oil Guide steel pipes 7, distribution cabin 8, wherein, the control valve of single spool two-position three way electro-hydraulic control valve 2 and cover plate are installed on joins cargo tank 1 top, and spool and valve seat are installed on joins cargo tank 1 inside; Three high pressure accumulators, 5, three low pressure accumulators 6, the Oil Guide steel pipe 7 of two media operation oil cylinder and gas storage cabin 3 are installed on joins between cargo tank 1 and distribution cabin 8; In gas storage cabin 3, ordered arrangement high pressure accumulator 5, low pressure accumulator 6, Oil Guide steel pipe 7, two dielectric fluid cylinder pressure 4, the axis of its high pressure accumulator 5, Oil Guide steel pipe 7 and the axis being parallel in gas storage cabin 3, the axis of two dielectric fluid cylinder pressure 4 and the central axes in gas storage cabin 3; Within the top of high pressure accumulator 5, low pressure accumulator 6, two dielectric fluid cylinder pressure 4 is inserted joined cargo tank 1 lower surface by Sealing, their bottom inserts the upper surface in distribution cabin 8 equally by Sealing; Described gas storage cabin 3 internal surface and join between cargo tank 1 lower surface, distribution cabin 8 upper surface and form a seal space.
With reference to accompanying drawing 13, single spool two-position three way electro-hydraulic reversing valve 2 comprises valve protection lid 21, solenoid directional control valve 22, valve cover 23, valve core piston 24, upper valve base set screw nut 25, upper valve base 26, spool 27, valve seat cover 28, lower valve base 29, lower valve base set screw nut 210, spool 27 is provided with spill port 271, central guiding oilhole 272, oil inlet hole 273, spool 27 and valve core piston 24 form valve core, upper valve base set screw nut 25, upper valve base 26, lower valve base 29, lower valve base set screw nut 210, press order from lower to upper, coaxially be arranged in valve seat cover 28 and form valve body, described valve core bottom is installed in valve body, and valve core top is arranged in valve cover 23, is then installed to by valve body and joins in cargo tank 1, valve cover 23, be fixed on join cargo tank 1 upper surface on.
With reference to accompanying drawing 6-9, the upper surface of joining cargo tank 1 is processed with the valve seat orifice coordinated with single core two-position three way electro-hydraulic reversing valve 2, join cargo tank 1 to arrange four from top to bottom and join oily plane, oil return layer plane respectively, oil-feed layer plane, oil reservoir plane and component-mounting layer plane are joined in oil hydraulic cylinder beam hanger chamber, described component-mounting layer comprises high pressure accumulator 5, low pressure accumulator 6, two dielectric fluid cylinder pressure 4, Oil Guide steel pipe 7, in oil return layer plane, low pressure accumulator hydraulic fluid port intercommunicating pore 12 is communicated with the low pressure accumulator oil export 11 of low pressure accumulator 6 respectively, and be communicated with the hammer drainback passage hole 13 of single spool two-position three way electro-hydraulic reversing valve 2, in oil-feed layer plane, high pressure accumulator hydraulic fluid port intercommunicating pore 15 is communicated with the high pressure accumulator oil export 14 of high pressure accumulator 5 respectively, and is communicated with the hammer oil inlet passage hole 16 of single spool two-position three way electro-hydraulic reversing valve 2, join in oil reservoir plane at oil hydraulic cylinder rod chamber, the oil hydraulic cylinder beam hanger chamber of joining on cargo tank 1 is joined cargo tank oil inlet and oil return port hole 18 and is communicated with Oil Guide steel pipe upper communication hole 17, and is communicated with in the mounting hole of joining single core two-position three way electro-hydraulic reversing valve 2 on cargo tank, component-mounting layer is processed with counterbore, and two dielectric fluid cylinder pressure 4, two Oil Guide steel pipes 7 with three high pressure accumulators, 5, three low pressure accumulators 6, meet the requirement that is sealed and matched respectively.
In addition, gas storage cabin 3 is columnar structured, and upper and lower is inner flange and is processed with sealing cylinder respectively, and by bolt with join cargo tank 1, gas storage cabin 3 and distribution cabin 8 and be connected, form a confined space, for stored nitrogen or pressurized air.
Also have: two dielectric fluid cylinder pressure 4 is the operating cylinder of two medium, and be nitrogen or pressurized air at the working medium of upper piston area rodless cavity, bottom rod chamber is hydraulic oil, and rodless cavity top has circular hole, is communicated with gas storage cabin 3.
With reference to accompanying drawing 10-12, distribution cabin 8 is processed with the counterbore coordinated with accumulator, two dielectric fluid cylinder pressure 4, Oil Guide steel pipe 7, join through hole that oil reservoir face is provided with by Oil Guide steel pipe 7 conducting, and be communicated with the beam hanger chamber of two dielectric fluid cylinder pressure 4, distribution aspect is provided with two through holes, the connection of the gas port of high pressure accumulator 5 makes three high pressure accumulators have identical inflation pressure by one, and the gas port of low pressure accumulator 6 is communicated with by another, makes three low pressure accumulators have identical inflation pressure.
Wherein, two Oil Guide steel pipe 7 upper ends be inserted into coordinate with it join in cargo tank 1 counterbore, lower end is inserted in the counterbore that distribution cabin 8 coordinates with it, is directed in the center spool hole of the single spool two-position three way electro-hydraulic reversing valve 2 of joining in cargo tank 1 by the hydraulic oil of the rod chamber of two dielectric fluid cylinder pressure 4 in distribution cabin 8.
The using method of a kind of single valve gas liquid type hydraulic pile hammer that the utility model is mentioned, comprises the following steps:
A is in single spool two-position three way electro-hydraulic reversing valve 2, valve cover, valve core, valve body form a small-scale liquid cylinder pressure, the piston portion forming oil hydraulic cylinder above of valve core, form the piston rod portion of small-scale liquid cylinder pressure below valve core, valve cover forms cylinder part and the rear portion end cap of small-scale liquid cylinder pressure; Valve body top forms the front cover of oil hydraulic cylinder, and the lower part of valve core coordinates with the lower part of valve body the function realizing two position three-way valve; When electromagnetic valve valve core piston moves, the oil inlet passage 16 of hammer is communicated with the center of single spool two-position three way electro-hydraulic reversing valve 2, the drainback passage 13 of hammer is closed by spool, entered the beam hanger chamber of two dielectric fluid cylinder pressure 4 down to distribution cabin 8 by Oil Guide steel pipe 7 from the hydraulic oil of oil pump and high pressure accumulator, promotion hydraulic cylinder piston is up, and it is up that piston rod pulls hydraulic hammer to hammer core into shape; Realize the action carrying hammer.
B is when electromagnetic valve valve core moves down, the drainback passage 13 of hammer is communicated with the center hole of single spool two-position three way electro-hydraulic reversing valve 2, hydraulic oil in oil hydraulic cylinder beam hanger chamber joins oil reservoir by distribution cabin 8, Oil Guide steel pipe 7 enters joins in cargo tank 1, the center hole of single spool two-position three way electro-hydraulic reversing valve 2, then through the drainback passage 13 of hammer, be discharged in low pressure accumulator 6, and hammer outside fuel tank in, the piston of this hour hammer is under nitrogen or compressed-air actuated effect, promotion piston rod is descending, to the thrust that one, the hammer core under Action of Gravity Field is additional, oil inlet passage with hour hammer is closed, hydraulic oil from oil pump is stored in high pressure accumulator, thus by controlling the energising of solenoid directional control valve and controlling the moving up and down of spool of single spool two-position three way electro-hydraulic reversing valve 2, realize the oil-filled of two dielectric fluid cylinder pressure rod chamber and drain the oil, reach the lifting and whereabouts that promote hydraulic hammer hammer core.
The advantage of the single valve gas-liquid pile hammer that the utility model is mentioned is
Single spool two-position three way electro-hydraulic reversing valve moves up and down in process and utilizes valve core structure filler opening and return opening to be closed mutually, makes both can not be communicated with physically, avoids both and is communicated with the energy loss caused,
The design of single valve makes to join the design of cargo tank, manufacture, installation are all simplified, and reduces difficulty of processing and processing installation cost, makes maintenance simple simultaneously.
The above; it is only preferred embodiment of the present utility model; the not pro forma restriction of the utility model, every according to technical spirit of the present utility model to simple modification that above embodiment does, equivalent variations and modification, the scope that all genus the utility model is claimed.
Claims (7)
1. a single valve gas liquid type hydraulic pile hammer, it is characterized in that: comprise and join cargo tank (1), single spool two-position three way electro-hydraulic reversing valve (2), gas storage cabin (3), two dielectric fluid cylinder pressure (4), three high pressure accumulators (5), three low pressure accumulators (6), two Oil Guide steel pipes (7), distribution cabin (8), wherein, the control valve of single spool two-position three way electro-hydraulic control valve (2) and cover plate are installed on joins cargo tank (1) top, and spool and valve seat are installed on joins cargo tank (1) inside; Three high pressure accumulators (5), three low pressure accumulators (6), the Oil Guide steel pipe (7) of two media operation oil cylinder and gas storage cabin (3) are installed on joins between cargo tank (1) and distribution cabin (8); In gas storage cabin (3), ordered arrangement high pressure accumulator (5), low pressure accumulator (6), Oil Guide steel pipe (7), two dielectric fluid cylinder pressure (4), the axis of its high pressure accumulator (5), Oil Guide steel pipe (7) and the axis being parallel of gas storage cabin (3), the axis of two dielectric fluid cylinder pressure (4) and the central axes of gas storage cabin (3); Within the top of high pressure accumulator (5), low pressure accumulator (6), two dielectric fluid cylinder pressure (4) is inserted joined cargo tank (1) lower surface by Sealing, their bottom inserts the upper surface in distribution cabin (8) equally by Sealing; Described gas storage cabin (3) internal surface and join between cargo tank (1) lower surface, distribution cabin (8) upper surface and form a seal space.
2. single valve gas liquid type hydraulic pile hammer according to claim 1, it is characterized in that: described single spool two-position three way electro-hydraulic reversing valve (2) comprises valve protection lid (21), solenoid directional control valve (22), valve cover (23), valve core piston (24), upper valve base set screw nut (25), upper valve base (26), spool (27), valve seat cover (28), lower valve base (29), lower valve base set screw nut (210), spool (27) is provided with spill port (271), central guiding oilhole (272), oil inlet hole (273), spool (27) and valve core piston (24) form valve core, upper valve base set screw nut (25), upper valve base (26), lower valve base (29), lower valve base set screw nut (210), press order from lower to upper, coaxially be arranged in valve seat cover (28) and form valve body, described valve core bottom is installed in valve body, and valve core top is arranged in valve cover (23), is then installed to by valve body and joins in cargo tank (1), valve cover (23), be fixed on join cargo tank (1) upper surface on.
3. single valve gas liquid type hydraulic pile hammer according to claim 1, it is characterized in that: the described upper surface of joining cargo tank (1) is processed with the valve seat orifice coordinated with single core two-position three way electro-hydraulic reversing valve (2), join cargo tank (1) to arrange four from top to bottom and join oily plane, oil return layer plane respectively, oil-feed layer plane, oil reservoir plane and component-mounting layer plane are joined in oil hydraulic cylinder beam hanger chamber, described component-mounting layer comprises high pressure accumulator 5, low pressure accumulator 6, two dielectric fluid cylinder pressure 4, Oil Guide steel pipe 7, in oil return layer plane, low pressure accumulator hydraulic fluid port intercommunicating pore (12) is communicated with the low pressure accumulator oil export (11) of low pressure accumulator 6 respectively, and be communicated with the hammer drainback passage hole (13) of single spool two-position three way electro-hydraulic reversing valve (2), in oil-feed layer plane, high pressure accumulator hydraulic fluid port intercommunicating pore (15) is communicated with the high pressure accumulator oil export (14) of high pressure accumulator (5) respectively, and is communicated with the hammer oil inlet passage hole (16) of single spool two-position three way electro-hydraulic reversing valve (2), join in oil reservoir plane at oil hydraulic cylinder rod chamber, the oil hydraulic cylinder beam hanger chamber of joining on cargo tank (1) is joined cargo tank oil inlet and oil return port hole (18) and is communicated with Oil Guide steel pipe upper communication hole (17), and is communicated with in the mounting hole of joining single core two-position three way electro-hydraulic reversing valve (2) on cargo tank, component-mounting layer is processed with counterbore, and respectively with three high pressure accumulators (5), three low pressure accumulators (6), a two dielectric fluid cylinder pressure (4), two Oil Guide steel pipes (7), meet the requirement that is sealed and matched.
4. single valve gas liquid type hydraulic pile hammer according to claim 1, it is characterized in that: described gas storage cabin (3) is for columnar structured, upper and lower is inner flange and is processed with sealing cylinder respectively, and by bolt with join cargo tank (1), gas storage cabin (3) and distribution cabin (8) are connected, form a confined space, for stored nitrogen or pressurized air.
5. single valve gas liquid type hydraulic pile hammer according to claim 1, it is characterized in that: described two dielectric fluid cylinder pressures (4) are the operating cylinder of two medium, be nitrogen or pressurized air at the working medium of upper piston area rodless cavity, bottom rod chamber is hydraulic oil, rodless cavity top has circular hole, is communicated with gas storage cabin (3).
6. single valve gas liquid type hydraulic pile hammer according to claim 1, it is characterized in that: described distribution cabin (8) is processed with and accumulator, two dielectric fluid cylinder pressure (4), the counterbore that Oil Guide steel pipe (7) coordinates, join through hole that oil reservoir face is provided with by Oil Guide steel pipe (7) conducting, and be communicated with the beam hanger chamber of two dielectric fluid cylinder pressure (4), distribution aspect is provided with two through holes, the connection of the gas port of high pressure accumulator (5) makes three high pressure accumulators have identical inflation pressure by one, the gas port of low pressure accumulator (6) is communicated with by another, three low pressure accumulators are made to have identical inflation pressure.
7. single valve gas liquid type hydraulic pile hammer according to claim 1, it is characterized in that: two described Oil Guide steel pipe (7) upper ends be inserted into coordinate with it join in cargo tank (1) counterbore, lower end is inserted in the counterbore that distribution cabin (8) coordinates with it, is directed in the center spool hole of the single spool two-position three way electro-hydraulic reversing valve (2) of joining in cargo tank (1) by the hydraulic oil of the rod chamber of two dielectric fluid cylinder pressure (4) in distribution cabin (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370958.XU CN204739018U (en) | 2015-06-02 | 2015-06-02 | Single valve gas -liquid formula hydraulic pile driving hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370958.XU CN204739018U (en) | 2015-06-02 | 2015-06-02 | Single valve gas -liquid formula hydraulic pile driving hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204739018U true CN204739018U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520370958.XU Withdrawn - After Issue CN204739018U (en) | 2015-06-02 | 2015-06-02 | Single valve gas -liquid formula hydraulic pile driving hammer |
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| Country | Link |
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| CN (1) | CN204739018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912854A (en) * | 2015-06-02 | 2015-09-16 | 东营华晏石油技术有限公司 | Single-valve hydro-pneumatic hydraulic pile hammer and method |
-
2015
- 2015-06-02 CN CN201520370958.XU patent/CN204739018U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912854A (en) * | 2015-06-02 | 2015-09-16 | 东营华晏石油技术有限公司 | Single-valve hydro-pneumatic hydraulic pile hammer and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151104 Effective date of abandoning: 20170524 |
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| AV01 | Patent right actively abandoned |