CN202658604U - Full-hydraulic pile hammer - Google Patents
Full-hydraulic pile hammer Download PDFInfo
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- CN202658604U CN202658604U CN 201220329261 CN201220329261U CN202658604U CN 202658604 U CN202658604 U CN 202658604U CN 201220329261 CN201220329261 CN 201220329261 CN 201220329261 U CN201220329261 U CN 201220329261U CN 202658604 U CN202658604 U CN 202658604U
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- hydraulic jack
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Abstract
The utility model relates to an engineering machinery for building foundation piling construction, and particularly to a full-hydraulic pile hammer. The technical scheme is that two oil inlet valves and two oil return valves are mounted in an oil distribution tank, a gas storage tank cylinder is arranged between the oil distribution tank and a gas distribution tank, the lower end of the gas distribution tank is connected with an upper hammer cylinder, an upper hammer core is mounted in the upper hammer cylinder in a floating manner and is connected with a piston rod of a hydraulic oil cylinder; an upper end face of a lower hammer cylinder is connected with the lower end face of the upper hammer cylinder, a lower hammer core is mounted in the lower hammer cylinder in the floating manner; an upper end face of a pile sleeve is connected with the upper end face of the lower hammer cylinder, and alternative piling blocks are mounted in the pile sleeve. The full-hydraulic pile hammer has the beneficial effects that the structure of the hydraulic cylinder is simplified; heat dissipation areas are increased; the upper gas distribution tank, the lower gas distribution tank, the middle hydraulic oil cylinder, an energy accumulator and a hydraulic cylinder are communicated with upper and lower ends of an oil pipe, and the two ends are respectively inserted into the oil distribution tank and the gas distribution tank, the structure is simplified, the number of components is reduced, the number of inflation valves is also reduced by the design of the lower gas distribution tank, and the number of pressure monitoring points also can be reduced at the same time.
Description
Technical field
The utility model relates to a kind of building foundation piling construction engineering machinery, particularly a kind of all-hydraulic pile hammer.
Background technology
At present, domestic and international hydraulic pile hammer, hydraulic control mostly is a servo control valve spool, or inlet valve spool and oil return valve spool are controlled oil-feed and the oil return of its operating cylinder.Such design no doubt has the few advantage of valve quantity, but the shortcoming that jointly has is for satisfying logical oily cross section requirement, improve hammer efficient, the valve arrangement size is larger, cause the larger shortcoming of whole hammer physical dimension, especially adopt the design of single spool, it imports and exports the interlock design, there is the flexible relatively poor shortcoming of control in the relativeness of importing and exporting simultaneously in that to add man-hour just definite.Existing hydraulic hammer all is only to join oily structure in addition, does not have gas distribution structure, and namely the accumulator nitrogen chamber is that respectively independently its shortcoming is to inflate respectively a plurality of accumulators, and a plurality of measuring control points need be set during observing and controlling.Present closed hydraulic hammer hammer core is in the air chamber besides, this air chamber is by hammer core upper air chamber, air bottom air chamber and middle interconnecting piece are grouped into, the Air Flow that the hammer core moves up and down the air on hour hammer core top and hammer core bottom is through the reciprocal high-speed motion of intermediate connection part, because these air are airtight and volume is fixed, hammer core and air move back and forth and cause producing heat, present closed hydraulic hammer design is as a radiator with the bottom hammer body, area of dissipation is less, make heat be difficult for leaving, hammer body is overheated after causing work a period of time, need quit work, after the hammer body temperature reduces, just can continue construction, affect production efficiency.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, and a kind of all-hydraulic pile hammer of greatly raising the efficiency is provided, and in addition, has also simplified the complex structure degree of hydraulic cylinder structure, and has increased cooling surface area.
Its technical scheme is: mainly by joining cargo tank, gas storage cabin cylinder, hydraulic jack, distribution cabin, upper hammer cylinder, upper hammer core, lower hammer cylinder, lower hammer core, pile protection cylinder, form for block hitting, and all be on the axis; In the inside of joining cargo tank, two inlet valves and two oil return valves are installed, be gas storage cabin cylinder joining between cargo tank and the distribution cabin, hydraulic jack, high pressure accumulator, low pressure accumulator and hydraulic jack are communicated with oil pipe, wherein, hydraulic jack, high pressure accumulator, low pressure accumulator, hydraulic jack is communicated with the upper end insertion of oil pipe and joins in the cargo tank, hydraulic jack, high pressure accumulator, low pressure accumulator, hydraulic jack is communicated with the lower end of oil pipe and inserts in the distribution cabin, cylinder upper end, gas storage cabin connects joins the cargo tank lower end, the lower end of gas storage cabin cylinder connects the distribution cabin, join cargo tank, gas storage cabin cylinder, the distribution cabin forms a confined space, hydraulic jack, high pressure accumulator, low pressure accumulator, hydraulic jack are communicated with oil pipe and are inclusive in this confined space; The lower end in distribution cabin connects upper hammer cylinder, and upper hammer core floats and is installed in the hammer cylinder, and is connected with the piston rod of hydraulic jack; Lower hammer cylinder upper surface is connected with upper hammer cylinder lower surface, and lower hammer core floats and is installed in the lower hammer cylinder; Pile protection cylinder upper surface is connected with lower hammer cylinder upper surface, and floating for block hitting is installed in the pile protection cylinder.
In the inside of joining cargo tank, two inlet valves and two oil return valves are installed, the oil-feed loop connects the rodless cavity of inlet valve, hydraulic jack, the oil pocket of high pressure accumulator, the upper end that hydraulic jack is communicated with oil pipe, and wherein the upper end of oil-in, high pressure accumulator oil pocket, hydraulic jack connection oil pipe is communicated with all the time.
Inner in the distribution cabin, the high pressure accumulator air cavity is communicated with by high-pressure aerated path, the low pressure accumulator air cavity is communicated with by the low inflation path, the lower end that hydraulic jack is communicated with oil pipe is communicated with the hydraulic cylinder rod chamber in the distribution cabin, and the distribution cabin is provided with the passage that through hole is communicated with hammer cylinder upper air as air in the gas storage cabin.
Above-mentioned hydraulic jack is the single wall oil cylinder, and two inlet valves are communicated with oil pipe by two hydraulic jacks that are placed on outside the hydraulic cylinder rodless cavity of hydraulic cylinder is connected with rod chamber.
Wherein, a kind of technical scheme that upper hammer cylinder adopts is: upper hammer cylinder is double-walled construction, upper hammer cylinder top is hammer core upper air storage area, upper hammer cylinder bottom is hammer air storage area, core bottom, these two spaces are separated by upper hammer core, are hammer core upper air and hammer core bottom air communication passage between upper hammer cylinder inner tube wall and the outer tube wall.
A kind of technical scheme that upper hammer cylinder adopts is: have through hole on the cylinder of gas storage cabin, upper hammer cylinder adopts single-wall structure, and upper hammer cylinder barrel has through hole at upper hammer core upper position and hammer core lower position, above-mentioned these through holes so that the inner and upper hammer core of gas storage cabin cylinder upper and lower directly be communicated with outside air.
Operating principle of the present utility model and process prescription are as follows:
Enter from the hydraulic oil of Hydraulic Station and to join cargo tank, when inlet valve is opened, hydraulic oil directly returned the Hydraulic Station fuel tank through the hydraulic jack rod chamber when oil return valve was also opened, and hammer is in unloading condition.Close when closing with oil return valve when inlet valve, hydraulic oil enters high pressure accumulator, and hydraulic oil is communicated with oil pipe through hydraulic jack and enters the hydraulic jack rod chamber simultaneously, finishes oil-filled to high pressure accumulator this moment; When inlet valve cuts out oil return valve when opening, come to enter the hydraulic jack rod chamber to the hydraulic oil of Hydraulic Station, the hydraulic oil of hydraulic jack rodless cavity flows out to oil return circuit through oil return valve, these oil return parts directly flow back into the Hydraulic Station fuel tank by oil return pipe, a part temporarily flow back in the oil pocket of low pressure accumulator, flow back into thereafter the Hydraulic Station fuel tank again.Hydraulic oil promotion this moment hydraulic cylinder piston moves upward the hammer core is moved upward, and upper hammer core is mentioned; When inlet valve opens oil return valve and cuts out, hydraulic oil enters the hydraulic jack rodless cavity, hydraulic oil in the high pressure accumulator and the hydraulic oil in the hydraulic jack rod chamber also enter the hydraulic jack rodless cavity simultaneously, under the effect of these hydraulic oils, hydraulic cylinder piston moves downward, driving simultaneously upper hammer core moves downward, because hydraulic cylinder piston rodless cavity hydraulic oil active area is greater than hydraulic jack rod chamber hydraulic oil active area, therefore, also obtain a thrust of coming to hydraulic jack rodless cavity hydraulic oil when upper hammer core moves downward except self gravitation, upper hammer core moves downward and can obtain one greater than the acceleration of acceleration of gravity thus.
The beneficial effects of the utility model are: the design that is double spool by the oil-feed oil return valve has improved the energy service efficiency of hammer, and so that control changes by software, realizes Flexible Control; Increased hammer core work air containment on every side by the gas storage cabin, reached area of dissipation, so that the heat that produces in the hammer course of work still less, that scatters and disappears is faster, the existence of gas storage cabin barrel has also increased local strength and the rigidity of hammer body, hydraulic jack and accumulator are all played a protective role, and safety protection function; The design that hydraulic jack is communicated with oil pipe and single wall hydraulic cylinder makes hydraulic jack not adopt the double-wall hydraulic cylinder, makes the hydraulic jack structure become simple.And increased area of dissipation; Top is joined cargo tank, distribution cabin, bottom intermediate liquid compressing cylinder, accumulator, hydraulic cylinder and is communicated with oil pipe and is inserted into respectively and joins in cargo tank and the distribution cabin in two ends up and down, make simple in structure, reduced number of spare parts, the design in distribution cabin, bottom has also reduced charge valve quantity, also can reduce the quantity of pressure monitor point simultaneously.
Description of drawings
Accompanying drawing 1 is structure principle chart of the present utility model;
Accompanying drawing 2 is sectional views of the utility model embodiment 1;
Accompanying drawing 3 is side sectional views of the utility model embodiment 1;
Accompanying drawing 4 is A-A sectional views of the utility model embodiment 1;
Accompanying drawing 5 is structural representations of embodiment 2 of the present utility model;
Accompanying drawing 6 is side sectional views of embodiment 2 of the present utility model;
Accompanying drawing 7 is A-A sectional views of embodiment 2 of the present utility model;
Among the upper figure: join that cargo tank 1, inlet valve 2, oil return valve 3, gas storage cabin cylinder 4, hydraulic jack 5, high pressure accumulator 6, low pressure accumulator 7, hydraulic jack are communicated with oil pipe 8, distribution cabin 9, upper hammer cylinder 10, upper hammer core 11, lower hammer tins 12, lower hammer core 13, pile protection cylinder 14, replace his piece 15, air intake duct 16, air muffler 17.
The specific embodiment
With reference to accompanying drawing 1-4, the composition of the all-hydraulic pile hammer hammer body of the present invention: join that cargo tank 1, two inlet valves 2, two oil return valves 3, gas storage cabin cylinder 4, hydraulic jack 5, high pressure accumulator 6, low pressure accumulator 7, hydraulic jacks are communicated with oil pipe 8, distribution cabin 9, upper hammer cylinder 10, upper hammer core 11, lower hammer cylinder 12, lower hammer core 13, pile protection cylinder 14, replace his piece 15, air intake duct 16, air muffler 17 compositions.
In the inside of joining cargo tank 1, two inlet valves 2 and two oil return valves 3 are installed, the oil-feed loop connects the upper end that inlet valve 2, hydraulic cylinder 5 rodless cavities, high pressure accumulator 6 oil pockets, hydraulic jack are communicated with oil pipe 8, wherein the upper end of oil-in, high pressure accumulator 8 oil pockets, hydraulic jack connection oil pipe 8 is communicated with all the time, when inlet valve 2 was opened, the upper end that hydraulic cylinder 5 rodless cavities, high pressure accumulator 6 oil pockets, hydraulic jack are communicated with oil pipe 8 all was communicated with; Join the oil return circuit of cargo tank with oil return valve 3, the oil pocket of hydraulic cylinder 5 rodless cavities, low pressure accumulator 7 connects, wherein oil return opening and low pressure accumulator 7 oil pockets are communicated with all the time, and oil return circuit, low pressure accumulator 7 oil pockets, hydraulic cylinder 5 rodless cavities are communicated with when oil return valve 3 is opened.
Be gas storage cabin cylinder 4 joining between cargo tank 1 and the distribution cabin 9, hydraulic jack 5, high pressure accumulator 6, low pressure accumulator 7, hydraulic jack is communicated with oil pipe 8.Wherein hydraulic jack 5, and high pressure accumulator 6, low pressure accumulator 7, hydraulic jack are communicated with the upper end insertion of oil pipe 8 and join in the cargo tank.Hydraulic jack, high pressure accumulator, low pressure accumulator, hydraulic jack are communicated with the lower end of oil pipe and insert in the distribution cabin 1.Cylinder 4 upper ends, gas storage cabin connect joins cargo tank 1 lower end, cylinder 4 lower ends, gas storage cabin connect distribution cabin 9, join cargo tank 1, gas storage cabin cylinder 4, confined space of distribution cabin 9 formation, hydraulic jack 5, high pressure accumulator 6, low pressure accumulator 7, hydraulic jack are communicated with oil pipe 8 and are inclusive in this confined space.
In 9 inside, distribution cabin, high pressure accumulator 6 air cavitys are communicated with by high-pressure aerated path, and low pressure accumulator 7 air cavitys are communicated with by the low inflation path, and the lower end that hydraulic jack is communicated with oil pipe 8 is communicated with the hydraulic cylinder rod chamber in the distribution cabin.Distribution cabin 9 is designed with the passage that through hole is communicated with hammer cylinder upper air as air in the gas storage cabin.
For block hitting 15 unsteady being installed in the pile protection cylinder 14, pile protection cylinder 14 upper surfaces are connected with lower hammer cylinder 12 upper surfaces.
With upper-part, join cargo tank 1, gas storage cabin cylinder 4, hydraulic jack 5, distribution cabin 9, upper hammer cylinder 10, upper hammer core 11, lower hammer cylinder 12, lower hammer core 13, pile protection cylinder 14, all be on the axis for block hitting 15, wherein gas storage cabin cylinder 4 axis and hydraulic jack 5 deads in line, upper hammer core 11 axis and 10 deads in line of upper hammer cylinder, 12 deads in line of lower hammer core 13 axis and lower hammer cylinder, pile protection cylinder 14 axis with for playing fast 15 deads in line.Join the connection of arranging successively of cargo tank 1, gas receiver 4, distribution cabin 9, upper hammer cylinder 10, lower hammer tins 12, pile protection cylinder 14 from top to bottom.High pressure accumulator 6, low pressure accumulator 7, hydraulic cylinder communicating pipe 8 centered by hydraulic jack 5 axis annular spread around hydraulic jack 5.
The hydraulic oil of Hydraulic Station enters the oil-feed oil circuit of joining cargo tank 1 during work, and when inlet valve 2 is opened, hydraulic oil directly returned the Hydraulic Station fuel tank through hydraulic jack 5 rod chambers when oil return valve 3 was also opened, and hammer is in unloading condition.Close when closing with oil return valve 3 when inlet valve 2, hydraulic oil enters high pressure accumulator, and hydraulic oil is communicated with oil pipe 8 through hydraulic jack 5 hydraulic jacks and enters hydraulic jack 5 rod chambers simultaneously, finishes oil-filled to high pressure accumulator 6 this moment; When inlet valve 2 cuts out oil return valve 3 when opening, come to enter hydraulic jack 5 rod chambers to the hydraulic oil of Hydraulic Station, the hydraulic oil of hydraulic cylinder 5 rodless cavities flows out to oil return circuit through oil return valve 3, these oil return parts directly flow back into the Hydraulic Station fuel tank by oil return pipe, a part temporarily flow back in the oil pocket of low pressure accumulator 7, flow back into thereafter the Hydraulic Station fuel tank again.The piston that this moment, hydraulic oil promoted hydraulic jack 5 moves upward and drives upper hammer core 11 and move upward, and upper hammer core 11 is mentioned; When inlet valve 2 opens oil return valve 3 and cuts out, hydraulic oil enters hydraulic jack 5 rodless cavities, hydraulic oil in the high pressure accumulator 6 and the hydraulic oil in hydraulic jack 5 oil pockets also enter hydraulic jack 5 rodless cavities simultaneously, under the effect of these hydraulic oils, the piston of hydraulic jack 5 moves downward, driving simultaneously upper hammer core 11 moves downward, because hydraulic jack 5 piston rodless cavity hydraulic oil active areas are greater than hydraulic jack 5 rod chamber hydraulic oil active areas, therefore, also obtain a thrust of coming to hydraulic jack 5 rodless cavity hydraulic oils when upper hammer core 11 moves downward except self gravitation, upper hammer core 11 moves downward and can obtain one greater than the acceleration of acceleration of gravity thus.
Embodiment 2: with reference to accompanying drawing 5-7, the another kind of scheme of form of the present invention is: have through hole on the gas storage cabin cylinder 4, upper hammer cylinder 10 adopts single-wall structure, and upper hammer cylinder 10 barrels have through hole at upper hammer core 11 upper positions and hammer core 11 lower positions, all these through holes so that the inner and upper hammer cores of gas storage cabin cylinder 4 11 upper and lowers directly be communicated with outside air, also omitted in addition the air inlet/outlet pipe, become a kind of open architecture, the hammer that this structure is applicable to low-cost and non-underwater operation uses.
The utility model compared with prior art, effect and advantage are as follows:
At first, double spool control is adopted respectively in oil-feed and oil return, but the such flexibility of retentive control, can according to control require by software control oil-feed and oil return start-up time with hold time, reach the correlation of opening and keeping between the two.Because the double spool design is adopted respectively in oil-feed and oil return control, under same dimensions of mechanical structures, can obtain larger flow area simultaneously.Obtain thus higher operating efficiency, generally can raise the efficiency 15%.
Secondly, adopt top to join cargo tank bottom distribution cabin structure, high pressure accumulator and low pressure accumulator all adopt the therapeutic method to keep the adverse qi flowing downward structure that oils, and the two-way oil-feed on top and high pressure accumulator grease chamber are a hydraulic oil path by joining the cargo tank communication; Two-way oil return and low pressure accumulator are a low pressure oil path by joining other communication of cargo tank.Each plenum chamber of high pressure accumulator being linked up by the distribution cabin in the bottom is a plenum chamber, and by the distribution cabin each low-pressure chamber of low pressure accumulator being linked up is a low-pressure chamber.Plenum chamber is an air chamber thus, and low-pressure chamber is an air chamber, can reduce charge valve quantity, has also reduced the air pressure monitor point simultaneously.Employing oil the therapeutic method to keep the adverse qi flowing downward structure decrease oil return arrive the path of low pressure accumulator, reduce the oil return resistance, be conducive to raise the efficiency.
Again, join two UNICOM's oil pipes of design between cargo tank and the distribution cabin, these two oil pipe designs are two inlet valve bottoms, hydraulic cylinder rodless cavity, inlet valve, communicating pipe and hydraulic cylinder rod chamber are arranged successively, high pressure liquid force feed part to Hydraulic Station when inlet valve cuts out enters the high pressure accumulator oil pocket, and another part is through entering cylinder rod chamber, at this moment between hydraulic cylinder rodless cavity and the rod chamber communicating pipe, because the closing of inlet valve, mutual UNICOM not.When inlet valve is opened, come directly to enter to the high pressure liquid force feed of Hydraulic Station the rodless cavity of hydraulic cylinder, the hydraulic oil of accumulator deposit also enters the hydraulic cylinder rodless cavity through inlet valve with next hydraulic oil to the hydraulic cylinder rod chamber simultaneously, be communicated with between hydraulic cylinder rodless cavity and the rod chamber this moment, such design, simplify on the one hand the complex structure degree of hydraulic cylinder structure, increased on the other hand cooling surface area.
Again secondly, designing up and down the gas storage cabin between the distribution cabin, make and join cargo tank, the gas storage cabin, the lower cargo tank of joining consists of an independently air chamber, high pressure accumulator, low pressure accumulator, UNICOM's oil pipe and oil cylinder are installed in this air chamber, simultaneously distribution cabin is provided with a plurality of gas channels, and air storage chamber and hammer core top air chamber are linked up, and makes air storage chamber, hammer core top air chamber, hammer core bottom air chamber forms the air chamber that volume is larger.The benefit of doing like this is, one, and the formation of larger air chamber can reduce the variation ratio of airtight air, can reduce thus the generation of heat; Its two, more air containment can increase the absorption that has produced heat; They are three years old, the existence of air storage chamber, and the oil cylinder that comprises in the air storage chamber, high pressure accumulator, the existence of low pressure accumulator and UNICOM's oil pipe, make their surface become heat-delivery surface, increased the cooling surface area of airtight air, the air storage chamber surface with the dissipation of heat that absorbs in ambient air, oil cylinder, high pressure accumulator, low pressure accumulator in the hydraulic oil that flows, are dispersed into the dissipation of heat that absorbs in the hydraulic oil cooling medium by hydraulic oil cooler and go.Four, the existence in gas storage cabin; played simultaneously oil cylinder; high pressure accumulator; the protective effect of low pressure accumulator; on the one hand, in the folding and unfolding process of hammer, because flexural stress and shear stress in this process of existence of gas storage cabin barrel are born by gas storage cabin barrel; no longer being born by the oil cylinder that comprises precision-fit and accumulator, is to this its safety protection function of class pressure vessel of accumulator on the other hand.
At last, establish the turnover air hose in the gas storage cabin, hammer outside air compressor machine outside into shape and force fresh air is pressed in the confined air air chamber by air inlet pipe, airtight air is become replaceable air, the air that has more is discharged in the air by escape pipe, can further improve thus the lost efficient of heat.
Claims (6)
1. all-hydraulic pile hammer, it is characterized in that: mainly by joining cargo tank (1), gas storage cabin cylinder (4), hydraulic jack (5), distribution cabin (9), upper hammer cylinder (10), upper hammer core (11), lower hammer cylinder (12), lower hammer core (13), pile protection cylinder (14), replace block hitting (15) to form, and all be on the axis; In the inside of joining cargo tank (1), two inlet valves and two oil return valves are installed, be gas storage cabin cylinder (4) joining between cargo tank (1) and distribution cabin (9), hydraulic jack (5), high pressure accumulator (6), low pressure accumulator (7) and hydraulic jack are communicated with oil pipe (8), wherein, hydraulic jack (5), high pressure accumulator (6), low pressure accumulator (7), hydraulic jack is communicated with the upper end insertion of oil pipe (8) and joins in the cargo tank, hydraulic jack (5), high pressure accumulator (6), low pressure accumulator (7), hydraulic jack is communicated with the lower end of oil pipe (8) and inserts in the distribution cabin (1), gas storage cabin cylinder (4) upper end connects joins cargo tank (1) lower end, the lower end of gas storage cabin cylinder (4) connects distribution cabin (9), join cargo tank (1), gas storage cabin cylinder (4), distribution cabin (9) forms a confined space, hydraulic jack (5), high pressure accumulator (6), low pressure accumulator (7), hydraulic jack are communicated with oil pipe (8) and are inclusive in this confined space; The lower end in distribution cabin (9) connects upper hammer cylinder (10), and upper hammer core (11) floats and is installed in the hammer cylinder (10), and is connected with the piston rod of hydraulic jack (5); Lower hammer cylinder (12) upper surface is connected with upper hammer cylinder (10) lower surface, and lower hammer core (13) floats and is installed in the lower hammer cylinder (12); Pile protection cylinder (14) upper surface is connected with lower hammer cylinder (12) upper surface, and floating for block hitting (15) is installed in the pile protection cylinder (14).
2. all-hydraulic pile hammer according to claim 1, it is characterized in that: in the inside of joining cargo tank (1), two inlet valves (2) and two oil return valves (3) are installed, the oil-feed loop connects the rodless cavity of inlet valve (2), hydraulic jack (5), the oil pocket of high pressure accumulator (6), the upper end that hydraulic jack is communicated with oil pipe (8), and wherein the upper end of oil-in, high pressure accumulator (8) oil pocket, hydraulic jack connection oil pipe (8) is communicated with all the time.
3. all-hydraulic pile hammer according to claim 1, it is characterized in that: hydraulic jack (5) is the single wall oil cylinder, and two inlet valves (2) are communicated with oil pipes (8) by two hydraulic jacks that are placed on outside the hydraulic cylinder rodless cavity of hydraulic cylinder (5) is connected with rod chamber.
4. all-hydraulic pile hammer according to claim 1, it is characterized in that: in inside, distribution cabin (9), high pressure accumulator (6) air cavity is communicated with by high-pressure aerated path, low pressure accumulator (7) air cavity is communicated with by the low inflation path, the lower end that hydraulic jack is communicated with oil pipe (8) is communicated with the hydraulic cylinder rod chamber in distribution cabin (9), and distribution cabin (9) are provided with the passage that through hole is communicated with hammer cylinder upper air as air in the gas storage cabin.
5. all-hydraulic pile hammer according to claim 1, it is characterized in that: described upper hammer cylinder (10) is double-walled construction, upper hammer cylinder (10) top is hammer core upper air storage area, upper hammer cylinder (10) bottom is hammer air storage area, core bottom, these two spaces are separated by upper hammer core (11), are hammer core upper air and hammer core bottom air communication passage between upper hammer cylinder (10) inner tube wall and the outer tube wall.
6. all-hydraulic pile hammer according to claim 1, it is characterized in that: have through hole on the described gas storage cabin cylinder (4), upper hammer cylinder (10) adopts single-wall structure, and upper hammer cylinder (a 10) barrel has through hole at upper hammer core (11) upper position and upper hammer core (11) lower position, above-mentioned these through holes so that the inner and upper hammer core (11) of gas storage cabin cylinder (4) upper and lower directly be communicated with outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329261 CN202658604U (en) | 2012-07-09 | 2012-07-09 | Full-hydraulic pile hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329261 CN202658604U (en) | 2012-07-09 | 2012-07-09 | Full-hydraulic pile hammer |
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| CN202658604U true CN202658604U (en) | 2013-01-09 |
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| CN 201220329261 Expired - Lifetime CN202658604U (en) | 2012-07-09 | 2012-07-09 | Full-hydraulic pile hammer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215954A (en) * | 2013-03-29 | 2013-07-24 | 郭强 | Reinforcement type sealed cylinder type hydraulic pile hammer |
| 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 |
| CN108067536A (en) * | 2016-11-14 | 2018-05-25 | 佛山市南海兴迪机械制造有限公司 | The impact filling liquid compound molding device of piston rod and jump bit is driven with accumulator |
| CN108375947A (en) * | 2018-05-21 | 2018-08-07 | 广东力源液压机械有限公司 | A kind of hydraulic pile hammer real-time running state monitoring method and its system |
| CN109137909A (en) * | 2018-10-29 | 2019-01-04 | 福建海威液压机械有限公司 | The control system of double-action hydraulic pile hammer |
| CN111059085A (en) * | 2019-12-26 | 2020-04-24 | 太重（天津）重型装备科技开发有限公司 | Integrated energy accumulator device for hydraulic pile hammer |
-
2012
- 2012-07-09 CN CN 201220329261 patent/CN202658604U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215954A (en) * | 2013-03-29 | 2013-07-24 | 郭强 | Reinforcement type sealed cylinder type hydraulic pile hammer |
| 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 |
| CN107012867A (en) * | 2015-06-02 | 2017-08-04 | 李奕萱 | A kind of hydraulic pile hammer |
| CN107034885A (en) * | 2015-06-02 | 2017-08-11 | 李奕萱 | A kind of application method of hydraulic pile hammer |
| CN107012867B (en) * | 2015-06-02 | 2019-09-06 | 浙江正方交通建设有限公司 | A kind of hydraulic pile hammer |
| CN107034885B (en) * | 2015-06-02 | 2019-09-24 | 泉州开云网络科技服务有限公司 | A kind of application method of hydraulic pile hammer |
| CN108067536A (en) * | 2016-11-14 | 2018-05-25 | 佛山市南海兴迪机械制造有限公司 | The impact filling liquid compound molding device of piston rod and jump bit is driven with accumulator |
| CN108375947A (en) * | 2018-05-21 | 2018-08-07 | 广东力源液压机械有限公司 | A kind of hydraulic pile hammer real-time running state monitoring method and its system |
| CN109137909A (en) * | 2018-10-29 | 2019-01-04 | 福建海威液压机械有限公司 | The control system of double-action hydraulic pile hammer |
| CN109137909B (en) * | 2018-10-29 | 2020-08-28 | 福建海威液压机械有限公司 | Control system of double-acting hydraulic pile hammer |
| CN111059085A (en) * | 2019-12-26 | 2020-04-24 | 太重（天津）重型装备科技开发有限公司 | Integrated energy accumulator device for hydraulic pile hammer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |