CN116101890B - Hoisting machine sideslip landing leg for severe offshore conditions - Google Patents
Hoisting machine sideslip landing leg for severe offshore conditions Download PDFInfo
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- CN116101890B CN116101890B CN202211530992.XA CN202211530992A CN116101890B CN 116101890 B CN116101890 B CN 116101890B CN 202211530992 A CN202211530992 A CN 202211530992A CN 116101890 B CN116101890 B CN 116101890B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
- Jib Cranes (AREA)
Abstract
The application discloses a hoisting machine sideslip landing leg for abominable marine condition belongs to the hoisting machine field, and it is including being used for supporting a plurality of flexible landing legs on the hoisting machine girder on water, be provided with on the flexible landing leg and be used for sliding complex pulley with the girder, be provided with the mount pad on the flexible landing leg, the mount pad rotates and is connected with the regulation seat, it is used for adjusting to slide on the regulation seat the balanced regulation pouring weight of flexible landing leg, articulated on the flexible landing leg have be used for with the head rod of hoisting machine girder butt on water, be provided with on the flexible landing leg and be used for detecting the level sensor of flexible landing leg level state, be provided with on the mount pad and be used for adjusting the first actuating component of regulation pouring weight position, be provided with on the mount pad and be used for the drive head rod pivoted second actuating component. The stability of the auxiliary cantilever telescopic support leg of the water hoisting machine in the offshore windy weather is improved.
Description
Technical Field
The application relates to the field of hoisting machines, in particular to a hoisting machine transverse support leg for severe offshore conditions.
Background
The main components of the water hoisting machine comprise front, middle and rear supporting legs, a main beam, an upper lifting structure, a transverse crown block, an auxiliary cantilever telescopic supporting leg and the like, wherein the front supporting leg and the middle supporting leg are of a hanging self-walking structure and are used for assisting the water hoisting machine to pass through a front hole. After the installation and debugging of the water hoisting machine are correct, the prefabricated part is transported to a specified lateral position of the water hoisting machine through the steel trestle, a start command is sent by an on-site commander, the prefabricated part is hoisted to the specified installation position through remote control, the installation work of the prefabricated part is completed, and the efficiency of water engineering operation is greatly improved.
When the offshore crane works on the sea, the auxiliary cantilever telescopic support legs are positioned at the two ends of the main beam and are not in contact with the offshore piles when the main beam does not need to move, and when the situation of large sea storms is encountered, strong transverse strong wind blows the auxiliary cantilever telescopic support legs to shake, so that certain potential safety hazards are caused.
Disclosure of Invention
In order to improve stability of the auxiliary cantilever telescopic support leg in offshore windy weather, the application provides a hoisting machine sideslip support leg for severe offshore conditions.
The application provides a lifting machine sideslip landing leg for abominable marine condition adopts following technical scheme:
the utility model provides a hoisting machine sideslip landing leg for abominable marine condition, is including being used for supporting a plurality of flexible landing legs on the hoisting machine girder on water, be provided with on the flexible landing leg and be used for with girder slip complex pulley, be provided with the mount pad on the flexible landing leg, the mount pad rotates and is connected with the regulation seat, it is used for adjusting to slide on the regulation seat the balanced regulation pouring weight of flexible landing leg, articulated on the flexible landing leg have be used for with the butt pole of hoisting machine girder butt on water, be provided with on the flexible landing leg and be used for detecting the level sensor of flexible landing leg horizontality, be provided with on the mount pad and be used for adjusting adjust the first drive assembly of pouring weight position, be provided with on the mount pad and be used for the drive the pivoted second drive assembly of butt pole, be provided with on the mount pad and be used for controlling the control assembly of flexible landing leg length.
Through adopting above-mentioned technical scheme, when meetting marine strong wind weather, flexible landing leg receives horizontal wind to blow and takes place the skew, horizontal sensor detects flexible landing leg skew direction and skew angle, the installation group both sides all are provided with the regulation seat and are used for rotating to flexible landing leg both sides, the corresponding regulation seat of first drive assembly drive flexible landing leg skew direction rotates, first drive assembly drive regulation pouring weight slides in the regulation seat simultaneously, change the moment length of regulation seat, change the focus position of flexible landing leg, thereby make flexible landing leg remain vertical state throughout when receiving strong wind to blow, the while second drive assembly drive butt pole rotates, the butt pole rotates and with girder butt, promote flexible landing leg and promote initial position, keep the vertical state of flexible landing leg simultaneously when corresponding direction strong wind blows, control assembly is used for controlling flexible landing leg length when the girder removes.
Preferably, the first driving assembly comprises a first screw rod and a pushing block, the first screw rod is arranged in the mounting seat in a penetrating manner, the first screw rod is connected with the mounting seat in a rotating manner, the pushing block is arranged on the mounting seat in a sliding manner, the pushing block is in butt joint with the adjusting seat, inclined planes are formed in the end parts, close to each other, of the pushing block and the adjusting seat, the first screw rod penetrates through the pushing block, the first screw rod is in threaded fit with the pushing block, a torsion spring is arranged at the joint of the adjusting seat and the mounting seat, a first motor is arranged on the mounting seat, a first driving rod is fixedly connected to the output end of the first motor, the first driving rod penetrates into the mounting seat and is fixedly connected with the first screw rod, a reciprocating screw rod is arranged in the adjusting seat in a penetrating manner, the reciprocating screw rod is connected with the adjusting seat in a rotating manner, the reciprocating screw rod penetrates through the adjusting weight, the reciprocating screw rod is in threaded fit with the adjusting screw, the reciprocating screw rod is located at the end parts, outside the adjusting seat, a first bevel gear is fixedly sleeved on the adjusting seat, a first bevel gear is arranged on the adjusting seat, and the first bevel gear is meshed with the second bevel gear is meshed with the first bevel gear assembly.
Through adopting above-mentioned technical scheme, when flexible landing leg takes place the skew, first motor starts, first motor drive first actuating lever rotates, first actuating lever drives first lead screw and rotates, first lead screw rotates and makes the impeller block remove in the mount pad, the impeller block removes and promotes the regulation seat and rotate, after the regulation seat rotates to certain angle, first bevel gear and second bevel gear meshing, first actuating lever continues to rotate, the impeller block moves to on the first actuating lever this moment, first actuating lever continues to rotate and makes second bevel gear rotate, second bevel gear rotates and makes first bevel gear rotate, first bevel gear rotates and makes reciprocating lead screw rotate, reciprocating lead screw rotates and makes the regulation pouring weight remove in the regulation seat, when the regulation pouring weight removes in the regulation seat, the corresponding emergence of focus of flexible landing leg changes, thereby flexible landing leg keeps vertical state under strong wind weather.
Preferably, the adjusting component comprises a control block, the control block is slidably arranged on the pushing block, a telescopic rod is arranged on the pushing block, the telescopic rod is far away from the end part of the control block and is fixedly connected with the control block, a connecting rod is arranged on the control block, the end part of the connecting rod far away from the control block is rotationally provided with an auxiliary wheel, a first sliding groove which is used for sliding and matching with the pulley is arranged on the adjusting seat, and a third driving component which is used for driving the control block to move is arranged on the pushing block.
Through adopting above-mentioned technical scheme, when first lead screw drive promotes the piece and removes, third drive assembly drive control block removes, and the control block removes and makes the connecting rod promote the regulation seat and remove, when promoting the piece and remove to first lead screw end, and the control block also promotes the regulation seat and remove to specific position, first bevel gear and second bevel gear intermeshing this moment, and thereby first actuating lever continues to rotate and can make and adjust the pouring weight and remove in the regulation seat and make flexible landing leg focus change.
Preferably, the third driving assembly comprises a second screw rod and a first straight gear, the second screw rod is arranged on the pushing block in a penetrating mode, the second screw rod is connected with the pushing block in a rotating mode, the second screw rod penetrates into the control block, the second screw rod is in threaded fit with the control block, the first straight gear is fixedly sleeved on the end portion, away from the control block, of the second screw rod, a rack is fixedly connected to the mounting seat, and the rack is meshed with the first straight gear.
Through adopting above-mentioned technical scheme, when first lead screw rotates and makes the impeller block remove, first straight gear removes relative rack, and the rack makes first straight gear rotation, and first straight gear rotation makes the second lead screw rotate, and the second lead screw rotates and makes the regulating block remove along the second lead screw direction, and the regulating block removes and makes regulating seat turned angle change.
Preferably, the first driving rod is sleeved with a buffer spring and a push plate, one end of the buffer spring is fixedly connected with the first driving rod, the other end of the buffer spring is fixedly connected with the push plate, the push plate is abutted to the pushing block, and the push plate is in sliding fit with the first driving rod.
Through adopting above-mentioned technical scheme, when the impeller block removes to first lead screw edge, buffer spring promotes the push pedal all the time and makes impeller block and first lead screw keep threaded connection state, when first motor makes first actuating lever reverse rotation, push pedal and buffer spring can guarantee that first lead screw and impeller block continue threaded connection, when first lead screw reverse rotation, the impeller block can get back to initial condition.
Preferably, the second driving assembly comprises a second driving rod and a third screw rod, the third screw rod is rotatably mounted on the mounting seat, the second driving rod is hinged to the end portion, away from the telescopic support leg, of the supporting rod, a sliding block is sleeved on the third screw rod and in threaded fit with the third screw rod, the end portion, away from the supporting rod, of the second driving rod is rotatably connected with the sliding block, and a fourth driving assembly used for driving the third screw rod to rotate is arranged on the mounting seat.
Through adopting above-mentioned technical scheme, fourth drive assembly drive third lead screw rotates, and the third lead screw rotates and makes the slider remove, and the slider removes and makes the second actuating lever promote the butt pole and rotate, makes the butt pole contact with the girder after the second actuating lever promotes the butt pole to rotate to support flexible landing leg skew direction, make flexible landing leg keep vertical state.
Preferably, the fourth driving assembly comprises a worm and a worm wheel, the worm wheel is fixedly sleeved on the end part, close to the mounting seat, of the third screw rod, the worm is arranged on the first driving rod, and the worm wheel are meshed with each other.
Through adopting above-mentioned technical scheme, first motor drive first actuating lever rotates, and first actuating lever rotates and makes first lead screw and worm rotate simultaneously, and the worm rotates and makes the worm wheel rotate, and the worm wheel rotates and makes the third lead screw rotate, and the third lead screw rotates and makes the slider remove, and the slider removes and makes the second actuating lever promote the butt pole and rotate, and the second actuating lever promotes and makes the butt pole and the girder contact after the butt pole rotates to support flexible landing leg skew direction, make flexible landing leg keep vertical state.
Preferably, the third screw rod is fixedly sleeved with a belt pulley used for driving the adjacent third screw rod to rotate, the adjacent third screw rod is fixedly sleeved with a belt pulley, and the belt pulley is wound with a transmission belt.
Through adopting above-mentioned technical scheme, after the butt pole and the girder butt on the flexible landing leg of third lead screw rotation messenger, the third lead screw rotates and makes the belt pulley rotate, and the belt pulley makes another third lead screw rotate through driving belt, and the butt pole on another flexible landing leg and the girder butt that corresponds thereof further improve the stability of flexible landing leg.
Preferably, the control assembly comprises a winch and an air cylinder, a supporting frame is arranged between the adjacent telescopic supporting legs, the winch is arranged on the supporting frame, a winch steel wire rope is connected with the telescopic ends of the telescopic supporting legs, the air cylinder is arranged on the telescopic supporting legs, and the output end of the air cylinder is fixedly connected with the telescopic ends of the telescopic supporting legs.
By adopting the technical scheme, the length of the telescopic supporting leg can be adjusted when the air cylinder and the winch are started.
Preferably, an aluminum block for protecting the telescopic support leg is arranged on the telescopic support leg.
By adopting the technical scheme, when steel on the telescopic support leg is corroded by seawater, the aluminum with more active chemical properties can continuously release electrons through electrolyte seawater to be input into the telescopic support leg, so that the telescopic support leg is protected as a cathode.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through setting up the regulation seat and adjusting the pouring weight, when the flexible landing leg takes place the skew, first drive assembly and adjustment subassembly change the direction of regulation seat, thereby adjust the pouring weight and remove in the regulation seat and change the focus position of flexible landing leg for the flexible landing leg keeps the horizontality when being blown the skew by horizontal strong wind;
2. by arranging the abutting rods, when the telescopic supporting legs deviate, the abutting rods corresponding to the deviation directions of the telescopic supporting legs are abutted with the main beams, and the telescopic supporting legs are pushed to return to the vertical state;
3. through setting up the aluminium piece, when flexible landing leg received sea water corrosion, can protect flexible landing leg through the mode of sacrificial anode protection law.
Drawings
Fig. 1 is a schematic structural view of a lateral leg of a hoisting machine for severe offshore conditions according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a control assembly according to an embodiment of the present application.
Fig. 3 is a schematic structural view of a first driving assembly according to an embodiment of the present application.
Fig. 4 is a schematic diagram of the structure at a in fig. 3.
Fig. 5 is a schematic structural view of a second driving assembly according to an embodiment of the present application.
Reference numerals illustrate:
1. a telescopic support leg; 11. a pulley; 12. a mounting base; 13. an adjusting seat; 131. a first accommodation groove; 14. adjusting the weight; 15. a butt joint rod; 2. a first drive assembly; 21. a first screw rod; 22. a pushing block; 23. a first motor; 24. a first driving lever; 25. a reciprocating screw rod; 26. a first bevel gear; 27. a second bevel gear; 3. an adjustment assembly; 31. a control block; 32. a telescopic rod; 33. a connecting rod; 331. a first chute; 34. a second screw rod; 35. a first straight gear; 36. a rack; 37. a buffer spring; 38. a push plate; 4. a second drive assembly; 41. a second driving lever; 42. a third screw rod; 43. a slide block; 44. a worm; 45. a worm wheel; 46. a belt pulley; 47. a drive belt; 5. a control assembly; 51. a hoist; 52. a cylinder; 53. and (5) supporting frames.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a hoisting machine sideslip landing leg for severe marine conditions. Referring to fig. 1, a spreader traversing leg for severe marine conditions includes a telescoping leg 1 and a support frame 53.
Referring to fig. 1 and 2, two telescopic legs 1 are provided, two telescopic legs 1 are all vertically provided, a supporting frame 53 is provided between the two telescopic legs 1, and the two telescopic legs 1 are all fixedly connected with the supporting frame 53. The top of the telescopic support leg 1 is connected with the main beam, and a pulley 11 is arranged at the joint of the telescopic support leg 1 and the main beam. The bottom of the telescopic supporting leg 1 is provided with an aluminum block, and the telescopic supporting leg 1 is provided with a horizontal sensor.
Referring to fig. 1 and 2, the telescopic leg 1 is provided with a control unit 5, and the control unit 5 includes a hoist 51 and a cylinder 52. An installation seat 12 is arranged between the two telescopic supporting legs 1, and two ends of the installation seat 12 are respectively and fixedly connected with the two telescopic supporting legs 1. The mount pad 12 level sets up, and hoist engine 51 fixed connection is in the mount pad 12 bottom surface, and cylinder 52 vertical setting is in flexible landing leg 1 bottom, and hoist engine 51 and cylinder 52 all are provided with two, and two hoist engine 51 and two cylinders 52 set up along mount pad 12 axis symmetry. The windlass 51 is fixedly connected with the supporting frame 53, and the output end of the air cylinder 52 is fixedly connected with the supporting frame 53.
Referring to fig. 2 and 3, the mount 12 is rotatably mounted with four adjustment seats 13, and the four adjustment seats 13 are symmetrically disposed along a horizontal axis of the mount 12. The two adjusting seats 13 on one side of the mounting seat 12 are opposite to the two adjusting seats 13 on the other side of the mounting seat 12 in rotation direction, the two adjusting seats 13 with the same rotation direction are symmetrically arranged along the axis of the mounting seat 12, and torsion springs are arranged at the joint of the adjusting seats 13 and the mounting seat 12.
Referring to fig. 2 and 3, an adjusting weight 14 is disposed in the adjusting seat 13, a first accommodating groove 131 is formed in the adjusting seat 13 along the length direction of the adjusting seat, the adjusting weight 14 is slidably matched with the inner side wall of the first accommodating groove 131, and the section of the first accommodating groove 131 is rectangular.
Referring to fig. 3 and 4, the mounting base 12 is provided with a first driving assembly 2, and the first driving assembly 2 includes a first screw 21 and a pushing block 22. The first lead screw 21 is horizontally arranged in the mounting seat 12 in a penetrating mode, the first lead screw 21 is connected with the mounting seat 12 in a rotating mode, the pushing block 22 is arranged on the mounting seat 12 in a sliding mode, the first lead screw 21 penetrates through the pushing block 22, and the first lead screw 21 is in threaded fit with the pushing block 22. The first screw rods 21 and the pushing blocks 22 are respectively provided with four, the first screw rods 21 and the pushing blocks 22 are in one-to-one correspondence, and the pushing blocks 22 and the adjusting seats 13 are in one-to-one correspondence. The pushing block 22 is abutted with the corresponding adjusting seat 13, and inclined planes are arranged at the end parts of the pushing block 22, which are close to the adjusting seat 13.
Referring to fig. 3 and 5, the ends of the two first screw rods 21 on the side of the mounting base 12, which are close to each other, are fixedly connected, and the ends of the two first screw rods 21, which are far from each other, are fixedly connected with a first driving rod 24. The end part of the first driving rod 24, which is far away from the first screw rod 21, penetrates out of the mounting seat 12, the first driving rod 24 is rotationally connected with the mounting seat 12, two first motors 23 are fixedly connected to the mounting seat 12, the output end of one first motor 23 is fixedly connected with the first driving rod 24 on one side of the mounting seat 12, the output end of the other first motor 23 is fixedly connected with the first driving rod 24 on the other side of the mounting seat 12, and the two first motors 23 are symmetrically arranged along the axis of the mounting seat 12.
Referring to fig. 3 and 4, a buffer spring 37 is sleeved on the end portion, close to the corresponding first screw rod 21, of the first driving rod 24, and the buffer spring 37 is in sliding fit with the first driving rod 24. The first driving rod 24 is sleeved with a push plate 38, the push plate 38 is in sliding fit with the first driving rod 24, one end of a buffer spring 37 is fixedly connected with the push plate 38, the other end of the buffer spring 37 is fixedly connected with the first driving rod 24, and the side wall of the push plate 38 away from the buffer spring 37 is abutted against the pushing block 22.
Referring to fig. 3 and 4, a reciprocating screw rod 25 is inserted into the adjusting seat 13, the reciprocating screw rod 25 is rotatably connected with the adjusting seat 13, the reciprocating screw rod 25 penetrates through the adjusting weight 14, and the reciprocating screw rod 25 is in threaded fit with the adjusting weight 14. The reciprocating screw rod 25 penetrates out of the adjusting seat 13, a first bevel gear 26 is fixedly sleeved on the end part of the reciprocating screw rod 25, which is positioned outside the adjusting seat 13, a second bevel gear 27 is fixedly sleeved on the first driving rod 24, the first bevel gear 26 corresponds to the second bevel gear 27 one by one, and the first bevel gear 26 can be meshed with the second bevel gear 27.
Referring to fig. 4, the push block 22 is provided with an adjusting assembly including a control block 31. The control block 31 is slidably disposed on the pushing block 22, a telescopic rod 32 is disposed on the pushing block 22, one end of the telescopic rod 32 is fixedly connected with the control block 31, and the other end of the telescopic rod 32 is fixedly connected with the pushing block 22.
Referring to fig. 3 and 4, a connecting rod 33 is fixedly connected to a side wall of the control block 31 far from the adjacent control block 31, and an end portion of the connecting rod 33 far from the control block 31 penetrates into the adjusting seat 13. The connecting rod 33 is provided with the auxiliary wheel on being located the tip in the regulation seat 13, and first spout 331 has been seted up along its length direction to regulation seat 13, and connecting rod 33 and auxiliary wheel all slide the cooperation with first spout 331 inside wall.
Referring to fig. 3 and 4, a third driving assembly is provided on the push block 22, and includes a second screw 34 and a first spur gear 35. The second screw rod 34 is horizontally arranged on the pushing block 22 in a penetrating way, the second screw rod 34 penetrates through the control block 31, and the second screw rod 34 is in threaded fit with the control block 31. The first straight gear 35 is fixedly sleeved on the end part of the second screw rod 34, which is far away from the control block 31, a rack 36 is fixedly connected to the mounting seat 12, and the rack 36 is meshed with the first straight gear 35. The second screw rod 34 is in one-to-one correspondence with the control block 31, and the rack 36 is in one-to-one correspondence with the first straight gear 35.
Referring to fig. 2 and 5, the top end of the telescopic supporting leg 1 is hinged with a supporting rod 15, two supporting rods 15 are arranged on a single telescopic supporting leg 1, the supporting rod 15 is in contact with the main beam, and the two supporting rods 15 are symmetrically arranged along the axis of the telescopic supporting leg 1.
Referring to fig. 2 and 5, the telescopic leg 1 is provided with a second driving assembly 4, and the second driving assembly 4 includes a second driving lever 41 and a third screw 42. The third screw rod 42 is vertically arranged on the telescopic supporting leg 1, and the third screw rod 42 is rotationally connected with the telescopic supporting leg 1. The third screw rod 42 is sleeved with a sliding block 43, and the sliding block 43 is in threaded fit with the third screw rod 42. One end of the second driving rod 41 is hinged with the abutting rod 15, and the other end of the second driving rod 41 is hinged with the sliding block 43.
Referring to fig. 2 and 5, the mount 12 is provided with a fourth drive assembly including a worm 44 and a worm wheel 45. The worm 44 is fixedly connected with the end part of the first driving rod 24, which is far away from the first motor 23, a worm wheel 45 is fixedly sleeved with the bottom end of the third screw rod 42, and the worm wheel 45 is meshed with the worm 44.
Referring to fig. 2 and 5, a belt pulley 46 is fixedly sleeved on one third screw rod 42 on one telescopic supporting leg 1, a belt pulley 46 is fixedly sleeved on the other third screw rod 42 on the same side of the other telescopic supporting leg 1, and a transmission belt 47 is wound on the two belt pulleys 46.
The implementation principle of the transverse moving supporting leg of the hoisting machine for severe offshore conditions is as follows: when the telescopic support leg 1 receives transverse strong wind, the horizontal sensor detects that the telescopic support leg 1 is deflected, one first motor 23 corresponding to the deflection direction of the telescopic support leg 1 is started, the first motor 23 drives the first driving rod 24 to rotate, the first driving rod 24 rotates to enable the first screw rod 21 to rotate, the first screw rod 21 rotates to enable the pushing block 22 to move in the mounting seat 12, the pushing block 22 moves and pushes the adjusting seat 13 to rotate, when the adjusting seat 13 rotates to a certain angle, the first bevel gear 26 is meshed with the second bevel gear 27, the first driving rod 24 continues to rotate, at the moment, the pushing block 22 moves to the first driving rod 24 to stop moving, the first driving rod 24 continues to rotate to enable the second bevel gear 27 to rotate, the second bevel gear 27 rotates to enable the first bevel gear 26 to rotate, the first bevel gear 26 rotates to enable the reciprocating screw rod 25 to rotate, the reciprocating screw rod 25 rotates to enable the adjusting weight 14 to move in the adjusting seat 13, when the adjusting weight 14 moves in the adjusting seat 13, the gravity center of gravity of the telescopic support leg 1 correspondingly changes, and the telescopic support leg 1 keeps in a vertical state in strong wind weather.
The first driving rod 24 rotates and simultaneously enables the worm 44 to rotate, the worm 44 rotates to enable the worm wheel 45 to rotate, the worm wheel 45 rotates to enable the third screw rod 42 to rotate, the third screw rod 42 rotates to enable the sliding block 43 to move, the sliding block 43 moves to enable the second driving rod 41 to push the abutting rod 15 corresponding to the offset direction of the telescopic supporting leg 1 to rotate, the second driving rod 41 pushes the abutting rod 15 to rotate and then enable the abutting rod 15 to contact with the main beam, and therefore the offset direction of the telescopic supporting leg 1 is supported, and the telescopic supporting leg 1 is kept in a vertical state. Through setting up the butt pole 15, adjusting seat 13 and adjusting weight 14 can take place when the skew at flexible landing leg 1, thereby change the focus position of flexible landing leg 1 and change the skew angle of flexible landing leg 1, simultaneously butt pole 15 and girder butt promote flexible landing leg 1 and correct the skew, keep vertical state.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. The utility model provides a lifting machine sideslip landing leg for abominable marine condition, is including being used for supporting a plurality of flexible landing legs (1) on the lifting machine girder on water, be provided with on flexible landing leg (1) and be used for sliding complex pulley (11), its characterized in that with the girder: the telescopic support is characterized in that an installation seat (12) is arranged on the telescopic support leg (1), the installation seat (12) is rotationally connected with an adjusting seat (13), an adjusting weight (14) for adjusting the balance of the telescopic support leg (1) is slidably arranged on the adjusting seat (13), a supporting rod (15) for being abutted to a main beam of the water hoisting machine is hinged to the telescopic support leg (1), a first driving component (2) for adjusting the position of the adjusting weight (14) is arranged on the installation seat (12), a second driving component (4) for driving the supporting rod (15) to rotate is arranged on the installation seat (12), and a control component (5) for controlling the length of the telescopic support leg (1) is arranged on the installation seat (12);
the first driving assembly (2) comprises a first screw rod (21) and a pushing block (22), the first screw rod (21) is arranged in the installation seat (12) in a penetrating mode, the first screw rod (21) is rotatably connected with the installation seat (12), the pushing block (22) is arranged on the installation seat (12) in a sliding mode, the pushing block (22) is abutted to the adjusting seat (13), inclined planes are arranged at the end portions, close to each other, of the pushing block (22) and the adjusting seat (13), the first screw rod (21) penetrates through the pushing block (22), the first screw rod (21) is in threaded fit with the pushing block (22), a torsion spring is arranged at the joint of the adjusting seat (13) and the installation seat (12), a first motor (23) is arranged on the output end of the first motor (23), the first driving rod (24) penetrates into the installation seat (12) and is fixedly connected with the first screw rod (25) in a reciprocating mode, the first screw rod (21) penetrates through the adjusting seat (25) in a reciprocating mode, the reciprocating mode is fixedly connected with the reciprocating screw rod (25) and the reciprocating screw rod (25), the end part of the reciprocating screw rod (25) positioned outside the adjusting seat (13) is fixedly sleeved with a first bevel gear (26), the first driving rod (24) is fixedly sleeved with a second bevel gear (27), the first bevel gear (26) can be meshed with the second bevel gear (27), and the mounting seat (12) is provided with an adjusting component (3) for driving the adjusting seat (13) to rotate;
the second driving assembly (4) comprises a second driving rod (41) and a third screw rod (42), the third screw rod (42) is rotatably mounted on the mounting seat (12), the second driving rod (41) is hinged with the end part, far away from the telescopic support leg (1), of the supporting rod (15), a sliding block (43) is sleeved on the third screw rod (42), the sliding block (43) is in threaded fit with the third screw rod (42), the end part, far away from the supporting rod (15), of the second driving rod (41) is rotatably connected with the sliding block (43), and a fourth driving assembly for driving the third screw rod (42) to rotate is arranged on the mounting seat (12);
the control assembly (5) comprises a winch (51) and an air cylinder (52), a supporting frame (53) is arranged between adjacent telescopic supporting legs (1), the winch (51) is arranged on the supporting frame (53), a steel wire rope of the winch (51) is connected with the telescopic ends of the telescopic supporting legs (1), the air cylinder (52) is arranged on the telescopic supporting legs (1), and the output end of the air cylinder (52) is fixedly connected with the telescopic ends of the telescopic supporting legs (1);
the adjusting component (3) comprises a control block (31), the control block (31) is slidably arranged on the pushing block (22), a telescopic rod (32) is arranged on the pushing block (22), the end part of the telescopic rod (32) away from the control block (31) is fixedly connected with the control block (31), a connecting rod (33) is arranged on the control block (31), the end part of the connecting rod (33) away from the control block (31) is rotatably provided with an auxiliary wheel, a first sliding groove (331) which is used for being slidably matched with the pulley (11) is formed in the adjusting seat (13), and a third driving component which is used for driving the control block (31) to move is arranged on the pushing block (22);
the third driving assembly comprises a second screw rod (34) and a first straight gear (35), the second screw rod (34) is arranged on the pushing block (22) in a penetrating mode, the second screw rod (34) is connected with the pushing block (22) in a rotating mode, the second screw rod (34) penetrates into the control block (31), the second screw rod (34) is in threaded fit with the control block (31), the first straight gear (35) is fixedly sleeved on the end portion, far away from the control block (31), of the second screw rod (34), a rack (36) is fixedly connected to the mounting seat (12), and the rack (36) is meshed with the first straight gear (35);
the fourth driving assembly comprises a worm (44) and a worm wheel (45), the worm wheel (45) is fixedly sleeved on the end portion, close to the mounting seat (12), of the third screw rod (42), the worm (44) is arranged on the first driving rod (24), and the worm (44) is meshed with the worm wheel (45).
2. A spreader traversing leg for severe marine conditions as in claim 1, wherein: the novel driving device is characterized in that a buffer spring (37) and a pushing plate (38) are sleeved on the first driving rod (24), one end of the buffer spring (37) is fixedly connected with the first driving rod (24), the other end of the buffer spring (37) is fixedly connected with the pushing plate (38), the pushing plate (38) is abutted to the pushing block (22), and the pushing plate (38) is in sliding fit with the first driving rod (24).
3. A spreader traversing leg for severe marine conditions as in claim 1, wherein: the third screw rod (42) is fixedly sleeved with a belt pulley (46) for driving the adjacent third screw rod (42) to rotate, the adjacent third screw rod (42) is fixedly sleeved with the belt pulley (46), and the belt pulley (46) is wound with a transmission belt (47).
4. A spreader traversing leg for severe marine conditions as in claim 1, wherein: the telescopic support leg (1) is provided with an aluminum block for protecting the telescopic support leg (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211530992.XA CN116101890B (en) | 2022-12-01 | 2022-12-01 | Hoisting machine sideslip landing leg for severe offshore conditions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211530992.XA CN116101890B (en) | 2022-12-01 | 2022-12-01 | Hoisting machine sideslip landing leg for severe offshore conditions |
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| CN116101890A CN116101890A (en) | 2023-05-12 |
| CN116101890B true CN116101890B (en) | 2024-04-02 |
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| CN116101890A (en) | 2023-05-12 |
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