CA1261790A - Dredger - Google Patents
DredgerInfo
- Publication number
- CA1261790A CA1261790A CA000495604A CA495604A CA1261790A CA 1261790 A CA1261790 A CA 1261790A CA 000495604 A CA000495604 A CA 000495604A CA 495604 A CA495604 A CA 495604A CA 1261790 A CA1261790 A CA 1261790A
- Authority
- CA
- Canada
- Prior art keywords
- counter
- dredger
- rope
- winch
- balance
- 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.)
- Expired
Links
- 230000000452 restraining effect Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 2
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
- E02F3/4131—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device mounted on a floating substructure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/52—Floating cranes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/18—Counterweights
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Manipulator (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A b s t r a c t A dredger is presented which features a floating body 1.
On this floating body 1 is situated a cross beam 3 on a structure, the cross beam being provided with a travelling arm 4 for a travelling crab 5. On the travelling crab 5 is arranged a lifting mechanism 6 for a grab 8, which can be raised and lowered via a rope 9. On one of the ends of the cross beam 3 is suspended a counter-weight, which is connected via a rope 10 with the grab 8 in a counter direction of motion to the raising and lowering action.
On this floating body 1 is situated a cross beam 3 on a structure, the cross beam being provided with a travelling arm 4 for a travelling crab 5. On the travelling crab 5 is arranged a lifting mechanism 6 for a grab 8, which can be raised and lowered via a rope 9. On one of the ends of the cross beam 3 is suspended a counter-weight, which is connected via a rope 10 with the grab 8 in a counter direction of motion to the raising and lowering action.
Description
r C~bH ~2~179~
__ ~
Dredger . .
1 The invention relates to a dredger havin~ a floatlng body on which ~he lifting mechanism featuring a restraining wlnch for a grab suspended on ropes is mounted.
Such dredgers are well known, which ~re employed to reclaim sand and gravel rrom deep/large depressions. Clamp ~hell grabs are used for dred~ing, whereby the opening and closing oper~tior is either effected with the aid of ropes or e~feeted through an hydraulic mechanism. The grab is suspended on a travelling crab, which if3 desi~ned to be self-propelled, or which reatures a rope drive. A liftine ~echanism for raising and lowering or the grab i8 arranged on the travelling crab, being driven by a rope winch.
Furthermore, dredgers are also known for which a lu~ing ~ib and a lifting mechanism for a grab arranged on a ~ib are mounted. Such drrdgers are primarily used tor more limited output3/capacities and for ~pot~corlcentrated dredglng.
~ . .
The di~advanta~e Or these known dredgers exists in the fact that during winching/lifting operations q relatively laree dead load is placed upon the lifting mechanis~, since the grab ~P
constitutes about a third of the load to be lifted. As a resul~f . ~
~ . , , ,, ,, .
-:~
.: : , h r C m b ~I
_ . .. ~ . _ . . . _ __ . , . . '.
1 a high consumption of energy is needed during lifting and the lifting mechanism has to therefore be of a corresponding slze/
sturdy proportions~
It is the objective of the invention to provide for the ~reRtest possible lifting cspacity~range in respect to the welght of the 8rab during the raising Or the laad.
Thi~ task i8 resolved according to the invention by the ~act that the grab i~ connected with a counter-weight via a rope in a contrary lifting and lowering motion.
; 10 Further advantageous embodiments Or the invention are provided for in claims 2 to lO.
; The invention has the distinct advantage that the lifting ¦ mechanism can be designed for a more limited loading ~i.e.
; ¦ ~reater efficiency)~which is of considerable importsnce, p~rticularly, for large lifting distances, which, for such dredgers, amount up to 100 metres.
The invention is explsined in deta~l in the following description with the aid examples depicted in the drawings.
, They show:
Fig.l such a dred~er in olevation, Fig.2 a plan view ~f Fig.l, --- ~ f~ r ~mbodiment of such a ~Ir~L~r in ~.
. ar ~mb11 i~l790 , , . , . . _ 1 simplified representation in elevation, Fig.4 a plan'view of Fig~3 ~ig.5 a further embodiment of the dredger in simpllfied representation in elevation, 5 ' Fig.6 a plan view of Fig 5, Fig.7 an additional embodiment in elevation, Fig.a a plan view of Fig.7~
Fig.9 a furtl-er embodiment of the dredger in elevation, Fig.10 a plan view of Fig.9, 10Fig.11 a dredger having a luffing jib in elevation and, ~ig.12 a further embodiment of the dredger in ~levation.
~he dredger depicted has a floating body 1, on which various ¦ structures are mounted, i.e. a cross beam 3 i3 supported on girders 2, on which a traversing arm 4 is arranged for a travelling crab 5. The travelling crab 5 is provlded with a li~`ting mechanism 6, which has a restraining winch 7. A grab 8 is suspended on tha restraining winch 7, by which the grab ~ can be raised or lowered through n rope 9.
A rope 10 is wound on the restraining winch 7 in a 2Q contra-d~rection and is guided at one of the ends of ~e cross supports beanl 3over a derlecting roller~pulley 11 and~a counter-wei~ht 12 where upon the rope 10 is guid~dover a return roller~pulley 13 ______ .-6~
- h_,r ~:mbll 1 on the counter-weight 12 to an anchQrage 14 on the cros6 beam 3.
The heavier grab 8, heavier by approx. 20% in respect to the during liftin8 counter-weight lZ is counterbalanced/by the counter-weight 12 which lower~falls at the sane time, and, conversely, only limited braking forces act upon the lifting mechanism 6 during the grab loweringoperation. On depositing the grab 8 on the bed/
bottorn of the ~ea, lake or similar, the lifting gear brakes are closed, so that the grab can operate under its full weight without being balanced. -In the embodiment sho~n,an additional winding/winching faceis provided on the restraining winch 7 for the ropa ~0. One can also arrange the rope 10 for the restraining winch 7 ~uch directly that the rope 10 wraps itself~on to the restraining winch 7 as it unwinds during the lowering of the grab 8.
Dy this design and arrangement of tbe counter-welght 12 the ¦ drive 15 even enables simpliricatlon of the denign to be ¦ effected for the travelling crab 5, whereby this drive in arranged at the oppoBite end of the cros6 beam 3 in relstion to the deflecting roller~pulley 11. The drive is efrected via a rope 16, whereby a tensional force is produced during movement in the direction towards the crab drive unit 15, whiist in the opposite direction,the travelling crab 5 is drawn away from the counter-weight and effect~ A braking ~ction on the drive 15.
. .
; With the embodiment depicted in figures 3 and 4 the 8rab 8 i~
counterbalanced directly with the c~un~er~weight 12, by which ... .
.
h .lr CmbH
1 the rope 10 is attached vla an additional deflectin~ rollertpulley 17 on the traYelling crab 5 to the grab 8. This arrangement can be used without further ado for light-dredgeable material.
With the embodiment in accordance with figure~ 5 and 6 the travelling crab 5 iB provided with its own drive, for which the rope 10 is deflected via two additional deflecting ro}lers/pulleys 18l 19 in each case at the end of the cross beam 3 and is anchored to the other side Or the travelling crab 5.
The embodiment depicted in figure 7 and 8 i6 suitable for a four-rope grab operation, whereby a furthel closing winch 20 is arranged on the travelling crab 5 next to the restraining winch 7. The rope 10 for the counter-wei~ht 12 is arranged to the restraining winch 7.
~' In addition, figures 9 and 10 show an embodiment, ~or which the counter-weight 12 is separated~divide~ for hydraulic ~rab operation on a four rope winch, and the respective part-welght is arranged to the restraining winch 7 or to the closing winch 20. In this case, the drive provided for the travelling crab 5 can be retained/utilized in the design.
~ . .
For the embodiment for a dredKer represented in fig.ll a luffing jib 22 is mounted on a ~loating body 1, which operates in conjunction with a chute~hopper 21. By a steep positioning of this jib 22 the grab 8 , suspended from the jib can be lowered -through the floating body 1 into the water. ~he raising and lowering Or the grab 8 is effected via a rope 9 and a lifting mechanism 6 with the restraining winch 7. Laterally from the lifting mechanism 6 is fixed a support 23 on the rloating body 1, which has . ' .
, ~ P~
.
.
- :
. ,hr CmbH
l ¦ a deflectin~ wheel/pulley 24. From this support 23 is suspended , by meann Or a rope lO, a eounter-weight having e return roller/pullay 13, the rope beln guided over this deflecting roller/pulley 24 and over another roiler/
pulley 25 on th~ most furthest end of the luffing jib 22 to the grab 8.
With this arrangement the rope 10 can be guided directly to the winch 7 and be wound in a counter direction to the movement of the grab.
With the f~rther embodiment depicted in fig.l2 the counter-weight 12 i8 suspended directly from the lifting mechanism 6, whereby the rope lO of the ¦ counter-weight is wound on to the winch 7 in the manner illustrated.
, '
__ ~
Dredger . .
1 The invention relates to a dredger havin~ a floatlng body on which ~he lifting mechanism featuring a restraining wlnch for a grab suspended on ropes is mounted.
Such dredgers are well known, which ~re employed to reclaim sand and gravel rrom deep/large depressions. Clamp ~hell grabs are used for dred~ing, whereby the opening and closing oper~tior is either effected with the aid of ropes or e~feeted through an hydraulic mechanism. The grab is suspended on a travelling crab, which if3 desi~ned to be self-propelled, or which reatures a rope drive. A liftine ~echanism for raising and lowering or the grab i8 arranged on the travelling crab, being driven by a rope winch.
Furthermore, dredgers are also known for which a lu~ing ~ib and a lifting mechanism for a grab arranged on a ~ib are mounted. Such drrdgers are primarily used tor more limited output3/capacities and for ~pot~corlcentrated dredglng.
~ . .
The di~advanta~e Or these known dredgers exists in the fact that during winching/lifting operations q relatively laree dead load is placed upon the lifting mechanis~, since the grab ~P
constitutes about a third of the load to be lifted. As a resul~f . ~
~ . , , ,, ,, .
-:~
.: : , h r C m b ~I
_ . .. ~ . _ . . . _ __ . , . . '.
1 a high consumption of energy is needed during lifting and the lifting mechanism has to therefore be of a corresponding slze/
sturdy proportions~
It is the objective of the invention to provide for the ~reRtest possible lifting cspacity~range in respect to the welght of the 8rab during the raising Or the laad.
Thi~ task i8 resolved according to the invention by the ~act that the grab i~ connected with a counter-weight via a rope in a contrary lifting and lowering motion.
; 10 Further advantageous embodiments Or the invention are provided for in claims 2 to lO.
; The invention has the distinct advantage that the lifting ¦ mechanism can be designed for a more limited loading ~i.e.
; ¦ ~reater efficiency)~which is of considerable importsnce, p~rticularly, for large lifting distances, which, for such dredgers, amount up to 100 metres.
The invention is explsined in deta~l in the following description with the aid examples depicted in the drawings.
, They show:
Fig.l such a dred~er in olevation, Fig.2 a plan view ~f Fig.l, --- ~ f~ r ~mbodiment of such a ~Ir~L~r in ~.
. ar ~mb11 i~l790 , , . , . . _ 1 simplified representation in elevation, Fig.4 a plan'view of Fig~3 ~ig.5 a further embodiment of the dredger in simpllfied representation in elevation, 5 ' Fig.6 a plan view of Fig 5, Fig.7 an additional embodiment in elevation, Fig.a a plan view of Fig.7~
Fig.9 a furtl-er embodiment of the dredger in elevation, Fig.10 a plan view of Fig.9, 10Fig.11 a dredger having a luffing jib in elevation and, ~ig.12 a further embodiment of the dredger in ~levation.
~he dredger depicted has a floating body 1, on which various ¦ structures are mounted, i.e. a cross beam 3 i3 supported on girders 2, on which a traversing arm 4 is arranged for a travelling crab 5. The travelling crab 5 is provlded with a li~`ting mechanism 6, which has a restraining winch 7. A grab 8 is suspended on tha restraining winch 7, by which the grab ~ can be raised or lowered through n rope 9.
A rope 10 is wound on the restraining winch 7 in a 2Q contra-d~rection and is guided at one of the ends of ~e cross supports beanl 3over a derlecting roller~pulley 11 and~a counter-wei~ht 12 where upon the rope 10 is guid~dover a return roller~pulley 13 ______ .-6~
- h_,r ~:mbll 1 on the counter-weight 12 to an anchQrage 14 on the cros6 beam 3.
The heavier grab 8, heavier by approx. 20% in respect to the during liftin8 counter-weight lZ is counterbalanced/by the counter-weight 12 which lower~falls at the sane time, and, conversely, only limited braking forces act upon the lifting mechanism 6 during the grab loweringoperation. On depositing the grab 8 on the bed/
bottorn of the ~ea, lake or similar, the lifting gear brakes are closed, so that the grab can operate under its full weight without being balanced. -In the embodiment sho~n,an additional winding/winching faceis provided on the restraining winch 7 for the ropa ~0. One can also arrange the rope 10 for the restraining winch 7 ~uch directly that the rope 10 wraps itself~on to the restraining winch 7 as it unwinds during the lowering of the grab 8.
Dy this design and arrangement of tbe counter-welght 12 the ¦ drive 15 even enables simpliricatlon of the denign to be ¦ effected for the travelling crab 5, whereby this drive in arranged at the oppoBite end of the cros6 beam 3 in relstion to the deflecting roller~pulley 11. The drive is efrected via a rope 16, whereby a tensional force is produced during movement in the direction towards the crab drive unit 15, whiist in the opposite direction,the travelling crab 5 is drawn away from the counter-weight and effect~ A braking ~ction on the drive 15.
. .
; With the embodiment depicted in figures 3 and 4 the 8rab 8 i~
counterbalanced directly with the c~un~er~weight 12, by which ... .
.
h .lr CmbH
1 the rope 10 is attached vla an additional deflectin~ rollertpulley 17 on the traYelling crab 5 to the grab 8. This arrangement can be used without further ado for light-dredgeable material.
With the embodiment in accordance with figure~ 5 and 6 the travelling crab 5 iB provided with its own drive, for which the rope 10 is deflected via two additional deflecting ro}lers/pulleys 18l 19 in each case at the end of the cross beam 3 and is anchored to the other side Or the travelling crab 5.
The embodiment depicted in figure 7 and 8 i6 suitable for a four-rope grab operation, whereby a furthel closing winch 20 is arranged on the travelling crab 5 next to the restraining winch 7. The rope 10 for the counter-wei~ht 12 is arranged to the restraining winch 7.
~' In addition, figures 9 and 10 show an embodiment, ~or which the counter-weight 12 is separated~divide~ for hydraulic ~rab operation on a four rope winch, and the respective part-welght is arranged to the restraining winch 7 or to the closing winch 20. In this case, the drive provided for the travelling crab 5 can be retained/utilized in the design.
~ . .
For the embodiment for a dredKer represented in fig.ll a luffing jib 22 is mounted on a ~loating body 1, which operates in conjunction with a chute~hopper 21. By a steep positioning of this jib 22 the grab 8 , suspended from the jib can be lowered -through the floating body 1 into the water. ~he raising and lowering Or the grab 8 is effected via a rope 9 and a lifting mechanism 6 with the restraining winch 7. Laterally from the lifting mechanism 6 is fixed a support 23 on the rloating body 1, which has . ' .
, ~ P~
.
.
- :
. ,hr CmbH
l ¦ a deflectin~ wheel/pulley 24. From this support 23 is suspended , by meann Or a rope lO, a eounter-weight having e return roller/pullay 13, the rope beln guided over this deflecting roller/pulley 24 and over another roiler/
pulley 25 on th~ most furthest end of the luffing jib 22 to the grab 8.
With this arrangement the rope 10 can be guided directly to the winch 7 and be wound in a counter direction to the movement of the grab.
With the f~rther embodiment depicted in fig.l2 the counter-weight 12 i8 suspended directly from the lifting mechanism 6, whereby the rope lO of the ¦ counter-weight is wound on to the winch 7 in the manner illustrated.
, '
Claims (9)
1. A dredger comprising a floating body; a dredger means for dredging material from the sea bed; a lifting mechanism comprising a transferable restraining winch coupled to the dredging means by first rope means for raising and lowering the dredging means; a travelling crab supporting said lifting mechanism and movable between first and second extreme positions on guide means supported on a support means above said floating body; and counter-balance means suspended at or adjacent one end of said support means for counter-balancing said dredging means during raising and lowering thereof, said counter-balancing means being coupled to said restraining winch by second rope means wound on said restraining winch in the opposite direction to that of said first rope means; said counter-balancing means being suspended from said second rope means on a return pulley block.
2. A dredger as claimed in claim 1 further comprising a drive means for moving said travelling crab, said drive means being secured relative to said floating body and coupled to said travelling crab, the travelling crab being positioned between said drive means and said counter-balance means whereby said counter-balance means assists movement of said crab away from said drive means and serves to brake movement of said crab towards said drive means.
3. A dredger as claimed in claim 1 or 2 having a four rope grab operation further comprising a closing winch, said losing winch and said restraining winch being coupled to the dredging means for raising and lowering the dredging means,
4. A dredger as claimed in claim 1 wherein said travelling crab is self-propelled, and said counter-balance means is coupled to said travelling crab by rope means one end of which is wound on said restraining winch and the other end of which is secured to said travelling crab to form a closed loop such that movement of said travelling crab does not substantially alter the position of said counter-balance means.
5. A dredger as claimed in claim 4 further comprising pulley means on said support means on the side of said travelling crab remote from said counter-balance means; and wherein one end portion of said rope means is guided over said pulley means and secured to said travelling crab.
6. A dredger as claimed in claim 1 or 2 wherein said counter-balance means comprises first and second counter-balance weights, each of which is suspended from said Claim support means on respective sides of said travelling crab and coupled to one of said closing winch and said restraining winch by a four-rope winch system for hydraulic grab operation.
7. A dredger as claimed in claim 1 wherein said lifting mechanism comprises a luffing jib, and said counter-balance means is suspended from said floating body at the rear of said luffing jib.
8. A dredger as claimed in claim 7 wherein said counter-balance means is suspended laterally from the floating body on a support by way of a deflecting pulley means.
9. A dredger as claimed in claim 6, wherein said counter-balance means is suspended by rope means directly from said restraining winch.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843445610 DE3445610C1 (en) | 1984-12-14 | 1984-12-14 | Dredger |
| DEP3445610.4 | 1984-12-14 | ||
| DE19853501078 DE3501078A1 (en) | 1985-01-15 | 1985-01-15 | Dredger |
| DEP3501078.9 | 1985-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1261790A true CA1261790A (en) | 1989-09-26 |
Family
ID=25827359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000495604A Expired CA1261790A (en) | 1984-12-14 | 1985-11-18 | Dredger |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0185859A3 (en) |
| AU (1) | AU580116B2 (en) |
| CA (1) | CA1261790A (en) |
| CH (1) | CH668059A5 (en) |
| ES (1) | ES8701676A1 (en) |
| FR (1) | FR2574834B1 (en) |
| GB (1) | GB2168310B (en) |
| IT (1) | IT1201984B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3937317C1 (en) * | 1989-11-09 | 1991-05-16 | Rohr Gmbh, 6701 Otterstadt, De | |
| DE9108952U1 (en) * | 1991-07-20 | 1991-09-12 | Rohr GmbH, 67166 Otterstadt | Floating grab system for the extraction of sand and gravel |
| DE4206630A1 (en) * | 1991-12-11 | 1993-06-17 | Ledergerber Hans Juergen | Slewing tower-crane assembly - has hoist rope coupled to counterweight moving in opposite direction to load on hook |
| US6588126B2 (en) * | 2000-04-13 | 2003-07-08 | Ground Breaking Innovations Pty Ltd | Drag link bucket controls |
| PL229790B1 (en) | 2013-06-27 | 2018-08-31 | Konecranes Plc | Mobile crane |
| ES2554647B1 (en) * | 2014-06-20 | 2016-07-12 | Eduardo Manuel MONTERO RICO | PORTO CRANE FOR CONTAINER HANDLING. |
| CN106241614B (en) * | 2016-09-28 | 2018-11-13 | 山东大学 | A kind of shield machine assembly and dual-purpose gantry crane of slagging tap |
| CN116142984B (en) * | 2023-04-20 | 2023-07-04 | 河南迅捷检测中心技术服务有限公司 | Portable movable novel lifting equipment |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1318467A (en) * | 1919-10-14 | Waeeen teavell | ||
| GB189319166A (en) * | 1893-10-12 | 1894-08-11 | Francis Gould Morony Stoney | Improvements in Floating Derrick Cranes. |
| US985417A (en) * | 1906-04-27 | 1911-02-28 | Ole Johnson | Apparatus for elevating, transporting, and discharging material. |
| US971708A (en) * | 1909-03-22 | 1910-10-04 | Thomas S Watson | Apparatus for elevating, transporting, and discharging material. |
| GB287535A (en) * | 1927-03-23 | 1928-10-11 | Johann Martin Bernhard | Device for the raising and lowering of loads, particularly applicable to cranes |
| GB301211A (en) * | 1927-12-07 | 1928-11-29 | Frederick Gilbert Mitchell | Improvements in or relating to apparatus for delivering coal or like material to bunkers and other receptacles associated with locomotive coaling plant |
| GB605775A (en) * | 1941-03-11 | 1948-07-30 | Benoto Sa | Improvements in counterweight control systems for lifting device crabs |
| GB621109A (en) * | 1944-02-04 | 1949-04-05 | Benoto Sa | Improvements in hoisting apparatus |
| GB697810A (en) * | 1950-10-06 | 1953-09-30 | Moritz Kloenne | Improvements in cranes, more especially floating cranes, with variable counter-weights |
| GB900877A (en) * | 1959-12-01 | 1962-07-11 | Charles Vilain | Gantry for handling flexible conduits |
| DE2135322C3 (en) * | 1971-07-15 | 1978-05-24 | Willi 6945 Hirschberg Weidenhueller | Excavator device |
| EP0033060B1 (en) * | 1979-10-11 | 1986-03-12 | S.A. Sobemai | Balancing system for parts of cranes and the load |
| DE8033352U1 (en) * | 1980-12-16 | 1982-04-08 | R + S Rohr GmbH Mechanische Verfahrenstechnik, 6701 Waldsee | "SWIMMING EXCAVATOR" |
| DE8436634U1 (en) * | 1984-12-14 | 1985-05-02 | Rohr GmbH, 6720 Speyer | SWIMMING EXCAVATORS |
-
1985
- 1985-09-25 EP EP85112168A patent/EP0185859A3/en not_active Withdrawn
- 1985-09-27 IT IT83414/85A patent/IT1201984B/en active
- 1985-09-30 FR FR858514447A patent/FR2574834B1/en not_active Expired
- 1985-10-11 ES ES547822A patent/ES8701676A1/en not_active Expired
- 1985-11-18 CA CA000495604A patent/CA1261790A/en not_active Expired
- 1985-11-19 CH CH4924/85A patent/CH668059A5/en not_active IP Right Cessation
- 1985-11-22 GB GB08528815A patent/GB2168310B/en not_active Expired
- 1985-12-02 AU AU50572/85A patent/AU580116B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| GB2168310B (en) | 1988-11-09 |
| EP0185859A2 (en) | 1986-07-02 |
| ES547822A0 (en) | 1986-12-01 |
| ES8701676A1 (en) | 1986-12-01 |
| AU5057285A (en) | 1986-06-19 |
| IT1201984B (en) | 1989-02-02 |
| CH668059A5 (en) | 1988-11-30 |
| GB8528815D0 (en) | 1985-12-24 |
| AU580116B2 (en) | 1989-01-05 |
| FR2574834A1 (en) | 1986-06-20 |
| IT8583414A0 (en) | 1985-09-27 |
| FR2574834B1 (en) | 1989-02-03 |
| EP0185859A3 (en) | 1988-01-27 |
| GB2168310A (en) | 1986-06-18 |
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