CN102943475B - Cooling device of diesel hammer - Google Patents
Cooling device of diesel hammer Download PDFInfo
- Publication number
- CN102943475B CN102943475B CN201210481396.7A CN201210481396A CN102943475B CN 102943475 B CN102943475 B CN 102943475B CN 201210481396 A CN201210481396 A CN 201210481396A CN 102943475 B CN102943475 B CN 102943475B
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- diesel hammer
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- spray tube
- circular spray
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Abstract
The invention provides a cooling device of a diesel hammer. The cooling device of the diesel hammer comprises a plurality of groups of annular spraying pipes, the diesel hammer and a water supply system. The plurality of groups of annular spraying pipes are distributed on the outer wall of a combustion chamber of the diesel hammer equidistantly along the vertical direction of the diesel hammer so as to form parallel spraying pipe layers from top to bottom. Nozzles are evenly distributed along geometric centers of the annular spraying pipes in the radial direction, the nozzles on the annular spraying pipes of adjacent support layers are arranged in the radial direction in staggered mode, the nozzles are provided with a plurality of spraying holes, one spraying hole is respectively arranged at the centers of the nozzles, and the other spraying holes around the centers of the nozzles are evenly distributed on the conical surfaces of the ends of the nozzles. The diesel hammer is fixedly installed at an installation position in a cage body of a lifting cage, the outer wall of a combustion chamber of the diesel hammer is located at a range area of cooling water sprayed by the plurality of groups of annular spraying pipes, and the nozzles enable the cooling water to be sprayed on the outer wall of the combustion chamber of the diesel hammer in fan-shaped and cross-shaped mode according to preset pressure to form an atomized spray cooling radiating belt. The cooling device of the diesel hammer can effectively improve radiating and cooling conditions of the combustion chamber of the diesel hammer, further improves working reliability, and prolongs service life.
Description
Technical field
The present invention relates to a kind of diesel hammer, more particularly, relate to a kind of diesel hammer cooling unit for offshore pile construction.
Background technology
At present, build in off-lying sea in the pile foundation construction of the Large Scale Construction Engineerings such as port, man-made island construction, marine wind electric field, bridge spanning the sea and offshore oil platform, because large-tonnage diesel hammer has, blow energy is large, simple to operate, easy to maintenance, operating efficiency is high and economy high, still finds broad application.Along with the continuous propelling of ocean engineering project, the pile foundation construction of large-scale marine engineering building project has been proposed to higher supporting capacity requirement, pile foundation construction has adopted the larger steel pipe pile in stake footpath, and pile sinking degree of depth trend is darker, stake footpath has reached Φ 1600mm, Φ 1800mm, 2000mm and Φ 2200mm, and the pile sinking degree of depth develops to 60m, 70m and 80m, therefore, on market, to blow energy, the super-tonnage diesel hammer more than 830000Nm has had further demand.Because the air-cooled diesel hammer temperature that diesel oil produces outer wall of combustion chamber in combustion chamber implode in pile sinking operation process generally will reach more than 300 DEG C, rely on the combustion chamber cooling system of diesel hammer self cannot in time the heat producing after diesel combustion blast be discharged, thereby it is cooling fully that diesel hammer is obtained, along with the continuous prolongation of diesel hammer working time, cause the impact body (being upper piston) that does work in diesel hammer to be killed in diesel hammer cylinder because of expanded by heating, cause the flame-out shut-down of diesel hammer, have a strong impact on construction speed and operating efficiency, simultaneously, also reduced the application life of diesel hammer.
Summary of the invention
The object of the invention is to according to the deficiencies in the prior art, a kind of diesel hammer cooling unit that can make diesel hammer effective cooling, fully heat radiation, raising functional reliability and increase the service life is provided.
The present invention is achieved through the following technical solutions:
A kind of diesel hammer cooling unit, comprise many group circular spray tube, diesel hammer and water systems, wherein, every group of circular spray tube comprises nozzle, water supply connector, water intaking valve, it is characterized in that: described many group circular spray tubes along the vertical direction disposed at equal distance of diesel hammer on the outer wall of combustion chamber of diesel hammer, forming from top to bottom, shower layer parallel to each other; Described nozzle is along the geometric center radial equipartition of circular spray tube, and nozzle on the circular spray tube of adjacent shower layer is that dislocation is arranged in radial position; The outside of circular spray tube is installed in described water supply connector, is fixedly mounted with water intaking valve and is connected with water system by pipeline, cooling water is transported in every group of circular spray tube on it; Described nozzle is cooling water on the outer wall of combustion chamber that fan-like pattern cross-like is injected in diesel hammer with setting pressure, and forms a spray-chilling heat-radiation belt.
The present invention can be that described every group of circular spray tube can be formed by connecting by straight coupling by two arc hollow sections.
The present invention can also be that described every group of circular spray tube is contained in the concentric circles position that keeps certain distance with outer wall of combustion chamber by support casing; Described support is supported and is packed on outer wall of combustion chamber by long bolt, and this support is also provided with along the vertical direction disposed at equal distance of diesel hammer and the groove corresponding with the quantity of the group of circular spray tube, thereby forms shelf layer from bottom to top; Described every group of circular spray tube is fixed in the groove of each shelf layer by clamp.
The present invention can also be that described every group of circular spray tube is installed in by support in the cage body of the cage for diesel hammer is installed; One side of described support is bolted on each connecting elements of trussed construction in cage cage body, the opposite side of this support is provided with along the vertical direction disposed at equal distance of cage and the groove corresponding with the quantity of the group of circular spray tube, thereby forms shelf layer from bottom to top; Described every group of circular spray tube is fixed on by clamp in the groove of each shelf layer;
The present invention can also be, the end of described nozzle cuts into taper, and the spray-hole of described nozzle has multiple, and 1 spray-hole is the central-injection hole that is arranged on its center, and all the other spray-holes are to be distributed on the conical surface spray-hole on its end tapered face around center.
The present invention can also be, the conical surface spray-hole of described nozzle tilts with respect to nozzle center, angle α=45～65 ° between its center line and the center of nozzle, and the diameter of central-injection hole and conical surface spray-hole is Φ, Φ=0.3～0.5mm.
Brief description of the drawings
Below in conjunction with drawings and Examples, diesel hammer cooling unit of the present invention is further described:
Fig. 1 is the structural representation of diesel hammer cooling unit embodiment 1 of the present invention;
Fig. 2 is C-C sectional view in Fig. 1;
Fig. 3 is the structural representation of diesel hammer cooling unit embodiment 2 of the present invention;
Fig. 4 is A-A sectional view in Fig. 3;
Fig. 5 is the H portion partial enlarged drawing in Fig. 1 and Fig. 3;
Fig. 6 is B-B partial sectional view in Fig. 2 and Fig. 4;
Fig. 7 is that the G of Fig. 6 is to view.
Detailed description of the invention
Embodiment 1:
As shown in Fig. 1,2,5,6 and 7, a kind of diesel hammer cooling unit, comprise many group circular spray tube 1, diesel hammer 4 and water systems 5, wherein, every group of circular spray tube 1 comprises nozzle 13, water supply connector 14, water intaking valve 16, it is characterized in that: described many group circular spray tubes 1 along the vertical direction disposed at equal distance of diesel hammer 4 on the outer wall of combustion chamber 41 of diesel hammer 4, forming from top to bottom, shower layer parallel to each other; Described every group of circular spray tube 1 is formed by connecting by straight coupling 12 by two arc hollow sections 11; Described every group of circular spray tube 1 is sleeved on the concentric circles position that keeps certain distance with outer wall of combustion chamber 41 by support 2; Described support 2 is supported and is packed on outer wall of combustion chamber 41 by long bolt 24, and this support 2 is also provided with along the vertical direction disposed at equal distance of diesel hammer 4 and the groove 21 corresponding with the quantity of the group of circular spray tube, thereby forms shelf layer from bottom to top; Described every group of circular spray tube 1 is fixed on by clamp in the groove 21 of each shelf layer; Described nozzle 13 is along the geometric center radial equipartition of circular spray tube, and nozzle 13 on the circular spray tube 1 of adjacent shower layer is that dislocation is arranged in radial position; The end of described nozzle 13 cuts into taper, the spray-hole 131 of described nozzle 13 has multiple, 1 spray-hole is the central-injection hole 131 that is arranged on its center, all the other spray-holes are to be distributed on the conical surface spray-hole 131 ' on its end tapered face 132 around center, for example 6,8,10,12,14,16,18 or 20; The conical surface spray-hole 131 ' of described nozzle 13 tilts with respect to nozzle 13 centers, angle α=45～65 ° between its center line and nozzle 13 center, and the diameter of central-injection hole 131 and conical surface spray-hole 131 ' is Φ, Φ=0.3～0.5mm; Described water supply connector 14 is arranged on circular spray tube 1 outside, is fixedly mounted with water intaking valve 16 and is connected with water system 5 by pipeline, cooling water is transported in every group of circular spray tube 1 on it; Described nozzle 13 is cooling water on the outer wall of combustion chamber 41 that fan-like pattern cross-like is injected in diesel hammer 4 with setting pressure, and forms a spray-chilling heat-radiation belt.
When diesel hammer is in the time carrying out offshore pile construction operation, if adopt diesel hammer to be installed on while carrying out the operation of steel pipe pile pile sinking on pile driving barge pile frame, first determine the group number of circular spray tube 1 and the quantity of nozzle 13 of required setting according to the chamber length of diesel hammer 4 and girth, each group of circular spray tube 1 use clamp is fixed in each arc groove 21 of support 2, and support 2 is supported and is packed on outer wall of combustion chamber 41 with long bolt 24.Utilize the hoist engine of pile driving barge pile frame the guide strip of diesel hammer 4 to be installed on to installation site in the guide rail of pile frame vertical post, more whole diesel hammer 4 is located on the steel pipe pile of required pile sinking by pile cover.Be fixedly mounted with water intaking valve 16 at water supply connector 14 places of circular spray tube 1 and be connected with water system 5 by pipeline.In the time that diesel hammer 4 starts to carry out the operation of steel pipe pile pile sinking, start water system 5, through pipeline, cooling water shunting is entered to every group of circular spray tube 1, finally be fan-like pattern cross-like injection cooling water with the pressure of 0.3～0.5 MPa to the outer wall of combustion chamber 41 of diesel hammer 4 by central-injection hole 131 and the tapered injection perforation 131 ' of nozzle 13 ends, and form a spray-chilling heat-radiation belt that can cover outer wall of combustion chamber 41.By closing or open water intaking valve 16, can control respectively the cooling water flow that the nozzle 13 of each group of circular spray tube 1 sprays, thereby reach more effectively spray-chilling heat-radiation belt.
Embodiment 2:
As shown in Fig. 3,4,5,6 and 7, a kind of diesel hammer cooling unit, comprise many group circular spray tube 1, diesel hammer 4 and water systems 5, wherein, every group of circular spray tube 1 comprises nozzle 13, water supply connector 14, water intaking valve 16, it is characterized in that: described many group circular spray tubes 1 along the vertical direction disposed at equal distance of diesel hammer 4 on the outer wall of combustion chamber 41 of diesel hammer 4, forming from top to bottom, shower layer parallel to each other; Described every group of circular spray tube 1 is formed by connecting by straight coupling 12 by two arc hollow sections 11; Described every group of circular spray tube 1 is sleeved on the concentric circles position that keeps certain distance with outer wall of combustion chamber 41 by support 2; Described every group of circular spray tube 1 is installed in by support 2 in the cage body of the cage 7 for diesel hammer 4 is installed; One side of described support is bolted on each connecting elements of trussed construction in cage 7 cage bodies, the opposite side of this support 2 is provided with along the vertical direction disposed at equal distance of cage 7 and the groove 21 corresponding with the quantity of the group of circular spray tube, thereby forms shelf layer from bottom to top; Described every group of circular spray tube 1 is fixed on by clamp in the groove 21 of each shelf layer; Described nozzle 13 is along the geometric center radial equipartition of circular spray tube, and nozzle 13 on the circular spray tube 1 of adjacent shower layer is that dislocation is arranged in radial position; The end of described nozzle 13 cuts into taper, the spray-hole 131 of described nozzle 13 has multiple, 1 spray-hole is the central-injection hole 131 that is arranged on its center, all the other spray-holes are to be distributed on the conical surface spray-hole 131 ' on its end tapered face 132 around center, for example 6,8,10,12,14,16,18 or 20; The conical surface spray-hole 131 ' of described nozzle 13 tilts with respect to nozzle 13 centers, angle α=45～65 ° between its center line and nozzle 13 center, and the diameter of central-injection hole 131 and conical surface spray-hole 131 ' is Φ, Φ=0.3～0.5mm; Described water supply connector 14 is arranged on circular spray tube 1 outside, is fixedly mounted with water intaking valve 16 and is connected with water system 5 by pipeline, cooling water is transported in every group of circular spray tube 1 on it; Described nozzle 13 is cooling water on the outer wall of combustion chamber 41 that fan-like pattern cross-like is injected in diesel hammer 4 with setting pressure, and forms a spray-chilling heat-radiation belt.
When diesel hammer is in the time carrying out offshore pile construction operation, if while adopting suspension cage to carry out the operation of steel pipe pile pile sinking, the crane gear that utilizes pile driving barge is installed in diesel hammer 4 in cage 7 cage bodies behind installation site, more whole cage 7 is located on the steel pipe pile of required pile sinking by pile cover.Determine the group number of circular spray tube 1 and the quantity of nozzle 13 of required setting according to the chamber length of diesel hammer 4 and girth, more each group of circular spray tube 1 use clamp is fixed in each arc groove 21 of support 2.Be fixedly mounted with water intaking valve 16 at water supply connector 14 places of circular spray tube 1 and be connected with water system 5 by pipeline.In the time that diesel hammer 4 starts to carry out the operation of steel pipe pile pile sinking, start water system 5, through pipeline, cooling water shunting is entered to every group of circular spray tube 1, finally be fan-like pattern cross-like injection cooling water with the pressure of 0.3～0.5 MPa to the outer wall of combustion chamber 41 of diesel hammer 4 by central-injection hole 131 and the conical surface spray-hole 131 ' of nozzle 13 ends, and form a spray-chilling heat-radiation belt that can cover outer wall of combustion chamber 41.By closing or open water intaking valve 16, can control respectively the cooling water flow that the nozzle 13 of each group of circular spray tube 1 sprays, thereby reach more effectively spray-chilling heat-radiation belt.
The present invention can effectively reduce the chamber temperature of diesel hammer, makes it obtain fully cooling and heat radiation, guarantees diesel hammer reliable operation, improves the operating efficiency of pile foundation construction.
Claims (6)
1. a diesel hammer cooling unit, comprise many group circular spray tubes (1), diesel hammer (4) and water system (5), wherein, every group of circular spray tube (1) comprises nozzle (13), water supply connector (14), water intaking valve (16), it is characterized in that: described many group circular spray tubes (1) are upper at the outer wall of combustion chamber (41) of diesel hammer (4) along the vertical direction disposed at equal distance of diesel hammer (4), forming from top to bottom, shower layer parallel to each other; Described nozzle (13) is along the geometric center radial equipartition of circular spray tube, and nozzle (13) on the circular spray tube of adjacent shower layer (1) is that dislocation is arranged in radial position; Described water supply connector (14) is arranged on circular spray tube (1) outside, is fixedly mounted with water intaking valve (16) and is connected with water system (5) by pipeline, cooling water is transported in every group of circular spray tube (1) on it; Described nozzle (13) is upper by the outer wall of combustion chamber (41) that cooling water is to fan-like pattern cross-like and is injected in diesel hammer (4) with setting pressure, and forms a spray-chilling heat-radiation belt.
2. diesel hammer cooling unit according to claim 1, is characterized in that described every group of circular spray tube (1) is formed by connecting by straight coupling (12) by two arc hollow sections (11).
3. diesel hammer cooling unit according to claim 1 and 2, is characterized in that described every group of circular spray tube (1) is sleeved on the concentric circles position that keeps certain distance with outer wall of combustion chamber (41) by support (2); Described support (2) is supported and is packed on outer wall of combustion chamber (41) by long bolt (24), this support (2) is also provided with along the vertical direction disposed at equal distance of diesel hammer (4), the groove (21) corresponding with the quantity of the group of circular spray tube, thereby forms shelf layer from bottom to top; Described every group of circular spray tube (1) is fixed in the groove (21) of each shelf layer by clamp.
4. diesel hammer cooling unit according to claim 1 and 2, is characterized in that described every group of circular spray tube (1) is installed in by support (2) in the cage body of the cage (7) for diesel hammer (4) are installed; One side of described support is bolted on each connecting elements of trussed construction in cage (7) cage body, the opposite side of this support (2) is provided with along the vertical direction disposed at equal distance of cage (7) and the groove (21) corresponding with the quantity of the group of circular spray tube, thereby forms shelf layer from bottom to top; Described every group of circular spray tube (1) is fixed in the groove (21) of each shelf layer by clamp.
5. diesel hammer cooling unit according to claim 1, the end that it is characterized in that described nozzle (13) cuts into taper, the spray-hole of described nozzle (13) has multiple, 1 spray-hole is the central-injection hole (131) that is arranged on its center, and all the other spray-holes are for to be distributed on the conical surface spray-hole (131 ') on its end tapered face (132) around center.
6. diesel hammer cooling unit according to claim 5, the conical surface spray-hole (131 ') that it is characterized in that described nozzle (13) tilts with respect to nozzle (13) center, angle α=45～65 ° between the center of its center line and nozzle (13), the diameter of central-injection hole (131) and conical surface spray-hole (131 ') is Φ, Φ=0.3～0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481396.7A CN102943475B (en) | 2012-11-23 | 2012-11-23 | Cooling device of diesel hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481396.7A CN102943475B (en) | 2012-11-23 | 2012-11-23 | Cooling device of diesel hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102943475A CN102943475A (en) | 2013-02-27 |
| CN102943475B true CN102943475B (en) | 2014-10-15 |
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ID=47726455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210481396.7A Withdrawn - After Issue CN102943475B (en) | 2012-11-23 | 2012-11-23 | Cooling device of diesel hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102943475B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274990B (en) * | 2015-11-17 | 2017-08-22 | 上海工程机械厂有限公司 | A kind of circulating water cooling system of diesel hammer |
| CN111558339B (en) * | 2020-05-25 | 2023-03-31 | 中国石油化工股份有限公司 | Gas-liquid mixing distribution system |
| CN111558340A (en) * | 2020-05-25 | 2020-08-21 | 中国石油化工股份有限公司 | Gas-liquid mixing device |
| CN111558343A (en) * | 2020-05-25 | 2020-08-21 | 中国石油化工股份有限公司 | Gas-liquid mixing distribution system |
| CN112984026A (en) * | 2021-04-22 | 2021-06-18 | 南京航空航天大学 | Integrated active heat dissipation device for undercarriage shock absorber |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078342U (en) * | 1990-09-11 | 1991-06-05 | 卢宝生 | Forced cooling jacket for diesel pile-driving hammer |
| CN2725365Y (en) * | 2004-04-30 | 2005-09-14 | 上海工程机械厂有限公司 | Drum type diesel oil pile driving bammer |
| CN201865108U (en) * | 2010-11-16 | 2011-06-15 | 上海申启星海洋工程有限公司 | Dual-guiding internal-cooling diesel oil piling hammer |
| CN202369991U (en) * | 2011-12-28 | 2012-08-08 | 瑞安市永安机械有限公司 | Cooling system of vibratory hammer |
| CN203080522U (en) * | 2012-11-23 | 2013-07-24 | 上海工程机械厂有限公司 | Cooling device of diesel hammer |
-
2012
- 2012-11-23 CN CN201210481396.7A patent/CN102943475B/en not_active Withdrawn - After Issue
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| Publication number | Publication date |
|---|---|
| CN102943475A (en) | 2013-02-27 |
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Granted publication date: 20141015 Effective date of abandoning: 20160518 |
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