CN103993601A - Diesel pile hammer - Google Patents
Diesel pile hammer Download PDFInfo
- Publication number
- CN103993601A CN103993601A CN201310416659.0A CN201310416659A CN103993601A CN 103993601 A CN103993601 A CN 103993601A CN 201310416659 A CN201310416659 A CN 201310416659A CN 103993601 A CN103993601 A CN 103993601A
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- China
- Prior art keywords
- cylinder
- projection
- piston
- operating lever
- unclamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/12—Drivers with explosion chambers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a piling device comprising a diesel pile hammer and a loosening device; the diesel pile hammer comprises a cylinder, a piston movably guided in the cylinder and an impact piece movably guided in the cylinder; the impact piece is arranged below the piston in an operation state of the diesel pile hammer; the loosening device comprises a moving part; the moving part can be moved to one side recessed portion of the piston through a gap of the cylinder; the cylinder is provided with a lower locking boss, and the loosening device is provided with an operation lever; the locking boss (26) and/or the operation lever (74) are formed in the following mode: the locking boss and/or the operation lever can be moved out from a crush zone of the operation lever (74) or a crush zone of the locking boss (26) of the loosening device (7).
Description
Technical field
The present invention relates to a kind of according to the pile driving rig of claim 1 preamble, it comprises a diesel pile hammer and a back-off assembly, and described diesel pile hammer is with a cylinder, a piston that can be directed to movably in described cylinder and an impulse member that can be directed to movably in described cylinder.
Background technology
With being also expressed as diesel hammer
or diesel oil tup
diesel pile hammer pile driving rig especially in the element task of builing industry for ramming ground by all types of stake, as cement pillar, iron bearing part, steel sheet pile (Spundwandelementen) or similar stake.
In order to start such diesel pile hammer, by piston by means of a back-off assembly at upwards tractive and unclamping on a definite height of described cylinder interior, thus, this piston under Action of Gravity Field to dropping on described impulse member.In the time falling, carry out operating fuel pump by described piston, the fuel especially conveying of diesel oil is undertaken by this petrolift.By the piston falling, the compressed and heating as follows thus of air in the combustion chamber of described cylinder, that is, the fuel/air mixture existing in combustion chamber is lighted, then this mixture explosion type burning.By the Explosive Energy discharging in the case, on the one hand by piston for new working cycles is again to upthrow; Piling thing is driven in ground by described impulse member simultaneously.
Described have for lifting at the back-off assembly of the piston of cylinder interior the moving part of taking, and this is taken in the side recess that moving part is embedded in described piston.Reaching for after starting required lifting height, will described in take moving part and unclamp the projection described cylinder chamber of moving out of via one, thus, described piston is released.Described back-off assembly this often as described on a saddle, lead cylinder.Especially in the case of saddle short, repositionable (nachf ü hrbar), may here occur: by coarse tracking (Nachf ü hrung) of described saddle and/or described back-off assembly, the back-off assembly being on this saddle moves upward in the side of locking projection, thus, described in, taking moving part is by mistake swinging in cylinder.May there is the damage of piston and back-off assembly at this.Corresponding problem for example also obtains in the case of such embodiment, in these embodiments, described in take moving part and be directly arranged on described diesel pile hammer by a supplementary structure.In addition also may cause undesirable swinging in by faulty operation.
Summary of the invention
Here, the present invention will provide correction solution.The present invention is based on following task, that is, propose a kind of diesel pile hammer of above-mentioned type, wherein, avoided the moving part of taking of described back-off assembly to swing in to being not intended in described cylinder chamber.According to the present invention, this task solves by the feature of the characteristic of claim 1.
Utilize the present invention to propose a kind of diesel pile hammer of above-mentioned type, wherein, avoided the moving part of taking of described back-off assembly to swing in to being not intended in described cylinder chamber.Avoided the unintended activation of described operating lever here by the motion that can realize out of the collision area of described operating lever by described locking projection and/or operating lever.
Concept " collision area " is understood to such region here, and the possible shift motion that described operating lever exceedes described back-off assembly covers this region.If described locking projection or described operating lever are moved out by described collision area, so described operating lever no longer may to the shock on described locking projection.
Concept " diesel pile hammer " is understood to arbitrary impact pile hammer (Schlagramme) with operating fuel subsequently.
In improvement project of the present invention, described locking projection and/or described operating lever are configured to cylinder, preferable configuration is hydraulic cylinder.Can realize thus by described locking projection or the operated from a distance of described operating lever energy the described collision area that moves out of.Alternatively, described locking projection and/or described operating lever also can out be constructed can show the mode that maybe can rotate by described collision area.
In improvement project of the present invention, the described moving part of taking is constructed as follows in described back-off assembly,,, take moving part by described operating lever swing in (Hereinschwenken) afterwards and being locked in corresponding swing position by after the showing of described operating lever.Described in further reacting on thus, take undesirable swing of moving part.
In design scheme of the present invention, described fuel delivery means comprises a pump lever, this pump lever extend in described cylinder as follows,, described pump lever is handled through out-of-date at described piston, thus, fuel is brought on the end face of described impulse member, wherein, be provided with one and unclamp projection, this unclamps projection and can locate as follows,, in the time that described operating lever and this unclamp projection collision, described piston does not also pass through described pump lever, thereby the fuel that makes not proceed in combustion chamber injects.Can realize thus " soft ", the in check pre-piling of stake, avoid thus the undesirable drift of described stake in hag face to open (Wegdriften).After described stake stabilizing, described piston can be raised to for starting required height and next unclamping, thus, described pump lever handled by described piston and thus fuel be injected in described combustion chamber.
In other design scheme of the present invention, the described projection that unclamps can be arranged in movably in the axial direction on described cylinder and can determine at least two positions, wherein, describedly unclamp definite in primary importance of projection and cause described piston to unclamp in through the position after described pump lever one, described in unclamp definite cause in described piston position one pass through described pump lever before of projection in the second place and unclamp.Can realize " soft pre-piling " and " startup " two released positions by unique mobile projection that unclamps thus.
In the design scheme of replacement of the present invention, two unclamp projection on cylinder axially on the space layout of turning up the soil, wherein, top, first unclamps projection is arranged in such a way, , in the time colliding with the operating lever of described back-off assembly, cause in the position of described piston after the described pump lever of a process and unclamp, and bottom, second unclamps projection is arranged in such a way, , in the time colliding with the operating lever of described back-off assembly, cause in the position of described piston before the described pump lever of a process and unclamp, wherein, the projection that unclamps of bottom is constructed as follows, , the unclamping projection and can be moved out by the collision area of the operating lever of described back-off assembly of described bottom.Thus, in the case of there is no to unclamp the movement of projection, can realize two operation types of " soft pre-piling " and " startup ".For carry out described " startups " move type only the projection that unclamps of described bottom moved out by the collision area of described operating lever.Preferably, described second unclamps that projection is configured to cylinder, preferable configuration is hydraulic cylinder.
In other design scheme of the present invention, described cylinder and described back-off assembly can be arranged on a saddle movably, wherein, on described back-off assembly, be furnished with and described in being orthogonal to, take at least one pawl (Klinke) that the swaying direction of moving part shifts out, described at least one pawl can be externally arranged on described cylinder take under moving part contact pin location and described cylinder can move along described saddle by described at least one pawl.Can realize thus the movement via described back-off assembly along described saddle of described cylinder.
In improvement project of the present invention, be furnished with two pawls, described two pawls are connected with a disk prejudicially as follows, that is, can be realized the immigration of described two pawls in opposite directions or be shifted out by the rotation of described disk.Can realize thus described two pawls in the location reliably of simple and while of taking described in described cylinder on moving part.The contrary layout of described two pawls reacts on described cylinder along tumbling in described saddle tractive situation.
Brief description of the drawings
Other improvement project of the present invention and design scheme are recorded in remaining dependent claims.Embodiments of the invention shown in the drawings and below details describe.Wherein:
Fig. 1 shows the schematic diagram of pile driving rig in longitdinal cross-section diagram;
Fig. 2 is at lateral view and face the schematic diagram of back-off assembly with the pile driving rig of taking moving part moving into there is shown by Fig. 1;
Fig. 3 shows the view by the back-off assembly with the pawl of taking moving part and shifting out shifting out of Fig. 2;
Fig. 4 shows the detailed view by the blocked region of the diesel pile hammer of Fig. 1; And
Fig. 5 there is shown the schematic diagram by the cylinder of the diesel pile hammer of Fig. 1 in side-looking, with the pawl shifting out in order to rise operation.
Detailed description of the invention
Comprise the diesel pile hammer with the unlimited cylinder in both sides 2 as the selected pile driving rig of embodiment, described cylinder often can have the length of 5 to 10 meters and the diameter of 0.2 to 1 meter.In described cylinder 2, can be furnished with movably piston 3.Coaxial impulse member 4 can be embedded in the unlimited bottom of described cylinder 2 movably therewith.Tighten the bearing unit 9 of an intrinsic annular in the bottom of described cylinder 2, hermetically and can in this bearing unit, lead movably, this bar section has the external diameter reducing with respect to the interior diameter of described cylinder 2 to the bar section 41 placed in the middle of described impulse member 4.
On the bottom of described bar section 41, be formed with the shock plate 42 being under described cylinder 2, the protruding boundary 43 of the bottom of the outside sensing of this shock plate is in operation and the upper end acting in conjunction of piling thing to be squeezed into.
The upper end of the bar section 41 of described impulse member 4 be formed with multiple around, the piston section 44 of isolated in the axial direction joint ring 91, these joint rings are worked on the inner peripheral surface 21 of described cylinder 2.By the upper side of described piston section 44, together with the downside of piston 3 and the inner peripheral surface 21 of cylinder 2 gauge one combustion chamber 22.The end face 45 plane earth grindings of the combustion chamber that faces described cylinder 2 22 of impulse member 4 have flat burning groove (Brennstoffmulde) 46.
Between the shock plate 42 of impulse member 4 and the bearing unit 9 of cylinder 2, be furnished with a damping ring 92.Another damping ring 23 is arranged between the upper side of described bearing unit 9 and the downside of the piston section 44 of described impulse member 4 adjacent to described bearing unit 9.
On described impulse member 4, the internal work of cylinder 2 have piston 3 be provided with around, the lower work end 34 of the joint ring 94 that is spaced apart from each other in the axial direction.The end face 31 of the flat surface grinding freely of the bottom of described piston 3 by one be in diametrically outside around step interrupt.
On the lower work end 34 of piston 3, be formed with a quality section 32, this quality section extends in the upper curtate of cylinder 2.In the circle wall of cylinder 2, be furnished with jetting device 5, this jetting device comprises petrolift 51, this petrolift by pipeline 53 with spray into nozzle 52 and be connected.The entrance of petrolift 51 is fed with diesel oil by a fuel tank 54.
Petrolift 51 has and extend into pump levers 55 in cylinder 2 inside, pre-tensioned, and described petrolift is driven through out-of-date at the piston 3 falling by described pump lever.The described nozzle 52 that sprays into is constructed as follows and is orientated, that is, the fuel of discharge is roughly medially directed onto on the end face 45 of described impulse member 4 in the beam that links up substantially.
In addition, be arranged in addition lubriation material pump 6 on cylinder 2, that be connected with the lubriation material nozzle being distributed on the circumferencial direction of cylinder 2 by one provides lubriation material between piston 3 and the inner peripheral surface 21 of cylinder 2.
Roughly, on the height of described jetting device 5, the circle wall of described cylinder 2 is run through by the work nipple 23 that is tilted to upper trend, and combustion air draws through this work nipple or burning gases are discharged through this work nipple.For piston 3 is lifted for the first time in order to start this diesel pile hammer, the quality section 33 of described piston 3 have for embed back-off assembly 7 take moving part 73, form and take the side recess 34 of shoulder.In other places, on described cylinder 2, be furnished with in addition two and take moving part contact pin 28, for the embedding of the pawl 76 of described back-off assembly 7.
Described back-off assembly 7 comprises housing 70, is furnished with for the guiding device 72 that can move supporting on saddle 8 on this housing.In described housing 70, can swingingly be supported with one and take moving part 73.The described moving part 73 of taking is connected with operating lever 74, described in can swinging, takes moving part via this operating lever.On the upper end contrary with described operating lever 74 of housing, on housing 70, be furnished with the rope roller 75 for receiving rope 81.Via described rope 81, described back-off assembly 7 can move along described saddle 8.
The manipulation of described operating lever 74 via two in described cylinder 2 disposed outside the projection on described cylinder 2, on a locking projection 26 and, unclamp projection 24 and carry out.Described locking projection 26 is positioned on described cylinder 2 as follows,, in backstop to described in the situation lower-pilot on described locking projection 26 when operating lever 74, described in take moving part 73 and be swinging in the interior chamber of described cylinder 2 through the slit 27 being placed in described cylinder 2 under the side recess 33 of described piston 3.Described operating lever 74 for this reason end side ground is provided with Radius on it faces the side of described locking projection 26, and thus, this operating lever is better along described locking projection 26 along slip.For fear of the inordinate rotation of described operating lever 74
in the housing 70 of described back-off assembly 7, insert a breach 71, be formed for the backstop 711 of locking projection 26 by this breach.The swing of described operating lever 74 is thus only until to reach backstop 711 be feasible by described locking projection 26.Described take the shifting out of moving part 73 after, described back-off assembly 7 can move along described saddle 8 by described rope 81, thus, described in take in the described side recess 33 that moving part 73 is embedded into described piston 3 and described piston 3 moves up in the inside of cylinder 2.If described operating lever 74 backstops are unclamped on projection 24 on described, take moving part 73 described in so and shown, thus, described piston 3 is released and is caused and dropped in the direction of described impulse member 4 by gravity.At this, described piston 3 is through the pump lever 55 of described jetting device 5, and thus, fuel sprays on the burning groove 46 that nozzle 52 is directed onto described impulse member 4 via described, described fuel explodes in the time that described piston 3 strikes on described impulse member 4, and described piston 3 is upwards launched again thus.Described locking projection 26 and described on unclamp between projection 24, in described embodiment, on cylinder 2, be furnished with and unclamp projection 25.
Under described, unclamp projection 25 and be configured in this embodiment hydraulic cylinder.This hydraulic cylinder is positioned at as follows and unclamps between projection 24 and locking projection 26,, under described, unclamp while unclamping on projection 25 by operating lever 74 backstops of described back-off assembly 7 at described piston 3, the pump lever 55 of described jetting device 5 can not passed through completely, therefore, in the whereabouts subsequently of piston 3, do not carry out carrying by the fuel of jetting device 5.Therefore piston 3 impacts on described impulse member 4 once, and thus, one-shot is only experienced in stake to be squeezed into.Can realize described stake especially to " soft ", in check squeezing in a hag face by the repetition of this way.Unclamp projection 25 immigrations under described after, then described piston 3 can continue to move up via described back-off assembly 7, until described operating lever 74 backstops are unclamped on projection 24 on described.At this, described piston 3 passes through pump lever 55 completely, and therefore, described pump lever is pre-tensioner and extend in described cylinder chamber 2 based on it.In the whereabouts subsequently of described piston, handle in this wise described pump lever 55: the fuel proceeding to thus on the burning groove 46 of described impulse member 4 sprays into.Therefore this diesel pile hammer 1 is activated.
Take on moving part 73 described, on described back-off assembly 7, be furnished with in addition a supported disk 77 revolvably, this disk is connected with the pawl 76 that two reverse directions ground are settled, as follows,, cause shifting out or moving into of these pawls 76 by the rotation of described disk 77.Also the described disk 77 that may be embodied as cylinder element is connected with an adjustment (adjusting) lever 78, and described disk can rotate by this adjustment (adjusting) lever.This adjustment (adjusting) lever 78 can be by being fastened on the tightrope operation on this adjustment (adjusting) lever.Described disk 77 remains in such position with a unshowned spring element, and described pawl 76 shifts out in this position.The immigration of described pawl 76 is undertaken by pulling on tightrope 79.If described tightrope 79 is released, disk 77 is returned and is moved in its home position of following the pawl 76 shifting out by described spring element so.Described pawl 76 is can realize described diesel pile hammer 1 after the embedding in moving part contact pin 28 along the lifting or locating of described saddle 8 to taking of described cylinder 2, described diesel pile hammer leads by guiding intermediate plate 29 on this saddle.
Previously described pile driving rig 1 is worked as follows: in original state, described back-off assembly 7 moves as follows,, described back-off assembly 7 clings to its housing 70 on the locking projection 26 of cylinder 2 of described diesel pile hammer 1, thus, described operating lever 74 moves upward, and takes moving part 73 described in thus and is swinging in described cylinder 2 through described slit 27.Subsequently, described back-off assembly 7 moves up by described rope 81, thus, described in take in the described side recess 33 that moving part 73 is embedded into described piston and described piston 3 by tractive upwards.In described operating lever 74 backstops when unclamping on projection 24 on described, described in take moving part 73 and be moved into, carry out thus release plunger 3.Under the effect of gravity, described piston 3 is to whereabouts, closes described work nipple 23 and handles the pump lever 55 of described jetting device 5 with its end face 31, and thus, fuel sprays on the burning groove 46 that nozzle 52 is directed onto described impulse member 4 by described.Form by impact atomization the mixture that can light a fire being formed by fuel droplet and air here.
Utilize described piston 3 to the impact on described impulse member 4 and/or by the air cushion (Gaskissen) between piston 3 and impulse member 4 apply a power of pointing to downwards to described impulse member and by this impulse member to described piling thing, this power makes described piling thing further enter into soil layer.Next burning in moving upward of triggering by the explosion type of fuel of piston 3, this piston release work nipple 23, thus, burning gases reduce pressure and flow out by described work nipple 23.Described piston 3 now in the case of fresh air by the absorption of described work nipple 23 further to upthrow, until the working cycles that this piston reaches its upper terminal position and repeats to have described.
Be moved out of if unclamp projection under described, the conveying of fuel is prevented from so, has therefore carried out piston 3 to the disposable impact on described impulse member.Subsequently, described piston 3 must lift by described back-off assembly 7 again.
This diesel hammer therefore optionally " manually " for drive piles thing the pre-determined bit of soft soil layer or with have from show working cycles " automatically " move type undertaken by the self-ignition that sprays into fuel.
Claims (7)
1. pile driving rig, comprise a diesel pile hammer and a back-off assembly, described diesel pile hammer is with a cylinder, one piston that can be directed to movably in described cylinder and an impulse member that can be directed to movably in described cylinder, described impulse member is arranged under described piston in the running status of diesel hammer, wherein, be furnished with a combustion chamber, this combustion chamber is passed in described combustion chamber by the end face that is in described cylinder interior of described impulse member and an end face gauge of described piston and a fuel delivery means in the axial direction, can in each working cycles, fuel quantity given in advance be brought in described combustion chamber by described fuel delivery means, described back-off assembly can move in the axial direction and arrange for described piston lifting at described cylinder interior along described cylinder in described cylinder outside on described cylinder, wherein, described back-off assembly has the moving part of taking, the described moving part of taking can be brought in the side recess being arranged in described piston by a breach of inserting in described cylinder, wherein, the locking projection and the described back-off assembly that on described cylinder, are furnished with a bottom have an operating lever, described take moving part can with the collision of described locking projection in the situation that, be swinging into described cylinder chamber by described operating lever in and on described cylinder, on described locking projection, be furnished with one and unclamp projection, described take moving part can by described unclamp projection described operating lever with described in unclamp projection when collision and show described cylinder chamber, it is characterized in that, described locking projection (26) and/or described operating lever (74) are constructed as follows, , described locking projection and/or described operating lever can be by moving away in the collision area of the collision area of the described operating lever (74) of described back-off assembly (7) or described locking projection (26).
2. pile driving rig according to claim 1, is characterized in that, described locking projection (26) and/or described operating lever (74) are configured to cylinder, preferable configuration is hydraulic cylinder.
3. pile driving rig according to claim 1 and 2, it is characterized in that, the described moving part (73) of taking is constructed as follows in described back-off assembly (7),,, take moving part by after the swinging in of described operating lever (74) and being locked in corresponding swing position by after the showing of described operating lever (74).
4. according to pile driving rig in any one of the preceding claims wherein, it is characterized in that, described fuel delivery means comprises a pump lever (55), described pump lever extend in described cylinder (2) as follows, , described pump lever is handled through out-of-date at described piston (3), thus, fuel is brought on the end face (45) of described impulse member (4), wherein, be provided with one and unclamp projection, the described projection that unclamps can be located as follows, , described operating lever (74) with described in unclamp projection when collision, described piston (3) does not also pass through described pump lever (55), thereby the fuel that makes not proceed in described combustion chamber (22) injects.
5. pile driving rig according to claim 4, it is characterized in that, the described projection that unclamps can be arranged in movably in the axial direction on described cylinder and can determine at least two positions, wherein, describedly unclamp definite in primary importance of projection and cause described piston (3) to unclamp in through described pump lever (55) position afterwards one, described in unclamp definite in the second place of projection and cause described piston (3) to unclamp in through described pump lever (55) position before one.
6. pile driving rig according to claim 4, it is characterized in that, two are unclamped projection (24, 25) on described cylinder axially on the space layout of turning up the soil, wherein, top, first unclamps projection (24) is arranged in such a way, , in the time colliding with the described operating lever (74) of described back-off assembly (7), cause described piston (3) to unclamp in the described pump lever of process (55) position afterwards, and bottom, second unclamps projection (25) is arranged in such a way, , in the time colliding with the described operating lever (74) of described back-off assembly (7), cause described piston (3) to unclamp in the described pump lever of process (55) position before, wherein, the projection (25) that unclamps of bottom is constructed as follows, , the unclamping projection and can be moved out by the collision area of the described operating lever (74) of described back-off assembly (7) of described bottom.
7. pile driving rig according to claim 6, is characterized in that, described second unclamp that projection (25) is configured to cylinder, preferable configuration is hydraulic cylinder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013101550.6 | 2013-02-15 | ||
| DE201310101550 DE102013101550A1 (en) | 2013-02-15 | 2013-02-15 | Ram assembly for foundation work in construction industry for e.g. concrete pillar, has releasing cam that is arranged at cylinder above latching cam to move driver out from cylinder space by collision with control lever |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103993601A true CN103993601A (en) | 2014-08-20 |
| CN103993601B CN103993601B (en) | 2017-09-12 |
Family
ID=51263744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416659.0A Expired - Fee Related CN103993601B (en) | 2013-02-15 | 2013-09-13 | diesel pile hammer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103993601B (en) |
| DE (1) | DE102013101550A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486261A (en) * | 2015-11-25 | 2016-04-13 | 中国船舶重工集团公司第七一一研究所 | System and method for measuring jump height of upper piston in tubular diesel pile hammer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2995721B1 (en) * | 2014-09-10 | 2016-09-07 | Delmag GmbH & Co. KG | Pile driving hammer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089024U (en) * | 1991-05-20 | 1991-11-20 | 瑞安市昌盛建筑工程机械厂 | Pile-driver |
| CN1389630A (en) * | 2002-07-22 | 2003-01-08 | 周荣珍 | Pile-driving hydraulic hammer |
| CA2591927A1 (en) * | 2004-12-23 | 2006-07-13 | Delmag Gmbh & Co. Kg | Diesel pile hammer |
-
2013
- 2013-02-15 DE DE201310101550 patent/DE102013101550A1/en not_active Withdrawn
- 2013-09-13 CN CN201310416659.0A patent/CN103993601B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089024U (en) * | 1991-05-20 | 1991-11-20 | 瑞安市昌盛建筑工程机械厂 | Pile-driver |
| CN1389630A (en) * | 2002-07-22 | 2003-01-08 | 周荣珍 | Pile-driving hydraulic hammer |
| CA2591927A1 (en) * | 2004-12-23 | 2006-07-13 | Delmag Gmbh & Co. Kg | Diesel pile hammer |
| CN101087919A (en) * | 2004-12-23 | 2007-12-12 | 德尔玛克有限及两合公司 | Diesel pile hammer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486261A (en) * | 2015-11-25 | 2016-04-13 | 中国船舶重工集团公司第七一一研究所 | System and method for measuring jump height of upper piston in tubular diesel pile hammer |
| CN105486261B (en) * | 2015-11-25 | 2018-01-09 | 中国船舶重工集团公司第七一一研究所 | The measuring system and method for upper piston high jump value in tubular diesel pile hammer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103993601B (en) | 2017-09-12 |
| DE102013101550A1 (en) | 2014-08-21 |
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Granted publication date: 20170912 Termination date: 20190913 |