CN112062008A - Crane telescopic boom positioning and fixing equipment for water conservancy ships - Google Patents
Crane telescopic boom positioning and fixing equipment for water conservancy ships Download PDFInfo
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- CN112062008A CN112062008A CN202011001416.7A CN202011001416A CN112062008A CN 112062008 A CN112062008 A CN 112062008A CN 202011001416 A CN202011001416 A CN 202011001416A CN 112062008 A CN112062008 A CN 112062008A
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- rotating rod
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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
- 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
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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
- 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
- B66C23/62—Constructional features or details
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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
- 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
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/823—Bracing equipment acting in vertical direction
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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
- 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
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a positioning and fixing device for a crane telescopic arm for a water conservancy ship, which comprises a base mechanism and a main extension mechanism, wherein the lower end of the base mechanism is arranged on the existing working ground, and the right end of the base mechanism is provided with the main extension mechanism.
Description
Technical Field
The invention relates to the field of water conservancy ship machinery, in particular to positioning and fixing equipment for a telescopic arm of a crane for a water conservancy ship.
Background
The definition of a water conservancy ship generally refers to a "ship" specially engaged in some kind of water or underwater engineering, and a set of working machines is installed thereon to complete specific work tasks, such as channel assurance, port operation, water conservancy construction, offshore construction, salvage and salvage, cargo supply and transportation, and the like, including a dredger, a crane ship, a pile driver ship, a cable laying ship, a salvage and salvage ship, a floating dock, a diving working ship, and the like, wherein the dredger, the crane ship, the salvage and salvage ship, the cargo supply and transportation ship, and the like are all used as a ship crane which is used as a cargo handling machine for ships and mainly comprises a telescopic boom, a lifting column, a rigging, a winch, and the like, and the ship industry is a modern comprehensive industry and a strategic industry combined by military and civilian capable of ocean development, water transportation, energy transportation, cargo supply and transportation, National defense construction and the like provide necessary technical equipment, which is an indispensable component in the national equipment manufacturing industry, but the following problems can occur in the use process of the crane for the water conservancy ships:
1. the telescopic arm of the common crane can only rotate up and down in a small range to realize small-amplitude change of the overall height, the small-amplitude change easily causes the phenomenon of collision or motion limitation between hoisted goods and the telescopic arm, and meanwhile, when the distance between the telescopic arm of the common crane and a ship body is far or the overall volume of the goods is large, the distance between the telescopic arm of the common crane and the goods in the height direction and the horizontal direction and the like cannot be effectively controlled and adaptively changed;
2. the crane does not have the function of horizontal multi-angle rotation or can only carry out the horizontal rotation of minizone, and then the equipment is whole to be lower to the rate of utilization that the goods under the different conditions were lifted by crane, and the angle accuracy degree of crane minizone pivoted simultaneously is lower, and the integral fixation degree after the crane rotates is lower.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme that the positioning and fixing equipment for the telescopic arm of the crane for the water conservancy ship comprises a base mechanism and a main extension mechanism, wherein the lower end of the base mechanism is installed on the existing working ground, and the main extension mechanism is arranged at the right end of the base mechanism.
The base mechanism comprises a base station, a rotary table, a base, a first electric push rod, a first vertical plate, a first rotating shaft, a main rotating rod, a lug, a second vertical plate, a round rod, a steel wire rope and a first motor, wherein the lower end surface of the base station is arranged on the existing working ground, the middle part of the upper end of the base station is provided with the rotary table, the middle upper end of the rotary table is provided with the round plate, the upper end surface of the rotary table is provided with the first electric push rod, the first electric push rod is of a right-inclined structure, the first vertical plate is symmetrically arranged in front of and behind the upper end surface of the rotary table, the first rotating shaft is arranged between the first vertical plates through a bearing, the main rotating rod is arranged on the first rotating shaft in a sliding fit mode, the lug is arranged on the right end surface of the lower end surface of the main rotating rod, the left end surface of the lug is connected with the upper end of the, through sliding fit mode winding wire rope on the round bar, the rear end of round bar links to each other with the output axle head of a motor, the lower extreme of a motor links to each other with the rear end face of main bull stick, the right-hand member of main bull stick is provided with mainly stretches the mechanism, wire rope's right-hand member is passed through sliding fit mode and is stretched the right-hand member of mechanism with the owner and link to each other, upwards or promote main bull stick downwards through an electric putter, main bull stick drives mainly stretches the synchronous rotation of mechanism and stretches the interval between mechanism and the goods in order to adjust, then drive the round bar through a motor and rotate, wire rope is unwinding motion along with the round bar is synchronous, so that follow-up hoist and transport to the goods.
The main stretching mechanism comprises an auxiliary rotating rod, a second rotating shaft, a second motor, a connecting frame, an extension rod, a connecting seat, a second electric push rod, a vertical plate, a main pulley, a connecting plate, an auxiliary pulley, a retaining ring plate and a hook, wherein the left end of the auxiliary rotating rod is connected with the right end of the main rotating rod through the second rotating shaft, the second rotating shaft is arranged at the right end of the main rotating rod through a bearing, the auxiliary rotating rod is fixedly connected with the second rotating shaft, the front end of the second rotating shaft is connected with the output shaft end of the second motor, the connecting frame is arranged at the left end of the rear end surface of the second motor, the rear end of the connecting frame is connected with the front end surface of the main rotating rod, a rectangular groove is formed in the middle of the right end surface of the auxiliary rotating rod, the extension rod is arranged in the rectangular groove in a sliding fit manner, the connecting seat is symmetrically arranged on the front end surface and the rear end surface of the connecting frame and, the front and back of the right end face of the extension rod are symmetrically provided with vertical plates, a main pulley is arranged between the vertical plates through a pin shaft, connecting plates are symmetrically arranged at the front and back ends of the pin shaft, the connecting plates are positioned between the vertical plates, the lower end of each connecting plate is provided with an auxiliary pulley through the pin shaft, the auxiliary pulleys are positioned at the oblique right lower part of the main pulley, retaining ring plates are symmetrically arranged at the front and back of the middle part of the main pulley and the middle part of the auxiliary pulleys, the main pulley and the auxiliary pulleys are connected with the right end of a steel wire rope in a sliding fit mode, the steel wire rope respectively bypasses the main pulley and the auxiliary pulleys in an S shape, a hook is arranged below the auxiliary pulleys, the upper end of the hook is connected with the right end face of the steel wire rope, a second rotating shaft is driven to rotate by a second motor, the second rotating shaft drives the auxiliary rotating rod to synchronously rotate upwards or downwards, the auxiliary rotating rod drives the, the couple passes through wire rope along with the extension rod synchronous motion, and then can further adjust the interval between couple and the goods so that carry out the hoist and mount operation to the goods, then make couple and goods can hang the position through the manual mode and be connected, later drive the round bar through a motor and rotate, the round bar drives wire rope and is rolling motion in order to hoist the goods, promote the extension rod right through No. two electric putter, the extension rod increases with the holistic length dimension of vice bull stick, with this goods hoist and mount operation when being adapted to the interval between hull and the goods far away.
As a preferred technical scheme of the invention, the lower end of the rotary table is connected with the inner bottom wall of a circular groove through a bearing, the circular groove is arranged in the middle of the upper end face of the base station, a circular ring plate is arranged at the middle upper end of the rotary table and is positioned right above the base station, base rods are symmetrically arranged in front and back of the lower end face of the circular ring plate, an inverted U-shaped through groove is formed in the middle of the left end face of each base rod, a shaft rod is arranged between the front inner side wall and the back inner side wall of the inverted U-shaped through groove, a limiting rod is arranged in the middle of the shaft rod in a sliding fit mode, the lower end of the limiting rod is connected with the limiting groove in a sliding fit mode, the limiting grooves are arranged on the upper end face of the base station and are evenly distributed along the circumferential direction of the base station, the rotary table is rotated manually, the rotary table drives the main rotary rod to synchronously rotate, the main rotary, after the revolving stage rotated to corresponding angle, rotated the gag lever post through manual mode so that it blocked in spacing recess, and then implemented relatively fixed processing between revolving stage and the base station, the holistic multi-angle of equipment transform can be realized in the cooperation between revolving stage and the gag lever post, and then improves and establishes the whole adaptation degree to the goods hoist and mount of different positions department.
As a preferred technical scheme of the invention, the inner side wall of the circular groove in the middle of the base station is provided with built-in grooves, the built-in grooves are uniformly distributed along the circumferential direction of the base station, a first compression spring is arranged in the built-in grooves, the outer side end of the first compression spring is connected with the inner side wall of the built-in grooves, the inner side end of the first compression spring is connected with the outer side end of the moving block, the inner side end of the moving block is of a convex arc structure, the installation groove is arranged right inside the built-in grooves and is arranged at the lower end of the turntable, a second compression spring is arranged in the installation groove, the inner side end of the second compression spring is connected with the inner side wall of the installation groove, the outer side end of the second compression spring is connected with the inner side end of the clamping column, the outer side end of the clamping column is connected with the inner side end of the moving, when the rotary table stops rotating, the clamping column just contacts with a single moving block, the second compression spring gives an outward pushing force to the clamping column, the first compression spring gives an inward extruding force to the moving block, so that the abutting degree between the moving block and the clamping column is increased, further, the relative fixing degree between the rotary table and the base station is improved, when the rotary table stops rotating, the clamping column just clamps between adjacent moving blocks, the moving block and the clamping column are clamped mutually under the action of the first compression spring and the second compression spring, further, the probability of the re-rotation phenomenon between the rotary table and the base station at the moment is reduced, the moving block, the clamping column, the first compression spring, the second compression spring and the limiting rod are matched to improve the fixing degree between the rotary table and the base station, and further, the re-rotation phenomenon of the rotary table is avoided.
As a preferred technical scheme of the invention, the limiting rod comprises a first rotating rod, a second rotating rod and a resisting rod, the right end of the first rotating rod is connected with the shaft rod in a sliding fit manner, a second pin shaft is installed at the left end of the first rotating rod, the second rotating rod is installed in the middle of the second pin shaft in a sliding fit manner, a third pin shaft is installed at the lower end of the second rotating rod, a resisting rod is installed in the middle of the third pin shaft in a sliding fit manner, a multi-stage rotating structure can be formed among the first rotating rod, the second rotating rod and the resisting rod, under the condition that the base rod and the limiting groove are not in normal opposition, an operator can implement relative fixing operation between the rotating platform and the base platform by means of the multi-stage rotating structure, and further avoid the influence on the lifting of goods due to the non-fixable state after the rotating.
As a preferred technical scheme of the invention, a ratchet wheel is arranged right outside a vertical plate, the ratchet wheel is arranged on a first pin shaft connected with a main pulley, the left upper side of the ratchet wheel is connected with a main pawl in a sliding fit manner, a plate block is arranged at the left end of the main pawl, a third electric push rod is arranged in the middle of the left end surface of the plate block, the left end of the third electric push rod is connected with the right end surface of a connecting seat on an extension rod, an auxiliary pawl is arranged right below the main pawl, the right end of the auxiliary pawl is connected with the ratchet wheel in a sliding fit manner, a fourth pin shaft is arranged at the left end of the auxiliary pawl, the inner end of the fourth pin shaft is connected with the outer end surface of the vertical plate, the main pawl is pushed to reciprocate left and right by the third electric push rod, meanwhile, the auxiliary pawl is matched with the ratchet wheel to do repeated motions of lifting up and falling back to clamp the, the ratchet drives the main pulley to synchronously rotate through the pin shaft connected with the ratchet, the main pulley drives the auxiliary pulley to synchronously rotate through the connecting plate, the steel wire rope drives the hook to synchronously move along with the main pulley, further, the distance between the hook and the auxiliary rotating rod is adjusted, when the main pawl and the ratchet are separated, the auxiliary pawl just blocks the ratchet to stop the ratchet and prevent the rotation of the ratchet, the main pawl, the auxiliary pawl and the third electric push rod are matched to realize the transformation processing of the distance between the hook and the auxiliary rotating rod, further, the collision phenomenon between goods and the auxiliary rotating rod is avoided, and the range of the equipment for adapting to the hoisting of the goods with different overall sizes can be improved.
As a preferred technical scheme of the invention, the upper end face of the left end of the auxiliary pawl is connected with the right end of the elastic plate in a sliding fit mode, the left end of the elastic plate is provided with the bottom plate, the inner side end of the bottom plate is connected with the outer side end face of the extension rod, the elastic plate is pushed to move synchronously in the process of lifting the auxiliary pawl, when the auxiliary pawl falls back to the ratchet wheel of the clamping column, the elastic plate is quickly restored to the original state, certain pressure can be applied to the auxiliary pawl by the elastic plate to improve the clamping degree of the auxiliary pawl to the ratchet wheel, and meanwhile, the elastic plate also plays a limiting role in the auxiliary pawl so as to avoid the overturning phenomenon caused by excessive lifting of the auxiliary pawl.
As a preferred technical scheme of the invention, the angle line is arranged below the circular ring plate, the angle line is carved on the upper end surface of the base station, and the angle line is positioned outside the limiting groove on the upper end surface of the base station, so that an operator can accurately grasp the rotating angle of the rotary table under the condition of the angle line, the speed of butt joint between goods and the hook can be increased, the speed of single transportation of the goods can be increased, and the working efficiency of the whole equipment is further improved.
(II) advantageous effects
1. According to the positioning and fixing equipment for the telescopic arm of the crane for the water conservancy ship, the telescopic arm of the crane for the water conservancy ship is positioned and fixed by adopting the design concept of a multiple rotatable structure, and the arranged base mechanism and the main stretching mechanism are matched to change the overall multi-angle, multiple heights and length sizes of the equipment, so that the adaptability of the overall equipment to hoisting of goods at different positions is improved;
2. the matching of the main pawl, the auxiliary pawl ratchet wheel and the third electric push rod can realize the transformation processing of the distance between the hook and the auxiliary rotating rod, thereby avoiding the collision phenomenon between goods and the auxiliary rotating rod and improving the range of the equipment for hoisting the goods with different overall sizes;
3. the first rotating rod, the second rotating rod and the abutting rod are matched to realize real-time fixation of the rotary table, and meanwhile, the multistage rotating structure formed by the first rotating rod, the second rotating rod and the abutting rod can enable an operator to implement relative fixation operation between the rotary table and the base station by means of the multistage rotating structure, so that the rotary table is prevented from being in an unfixed state after being rotated to further avoid influence on lifting of goods;
4. the elastic plate can provide certain pressure to the auxiliary pawl to improve the clamping degree of the auxiliary pawl to the ratchet wheel, and simultaneously has a limiting effect on the auxiliary pawl so as to avoid the phenomenon of overturning caused by excessive lifting of the auxiliary pawl;
5. the movable block, the clamping column, the first compression spring, the second compression spring and the limiting rod are matched, so that the fixing degree between the rotary table and the base table can be improved, and the phenomenon that the rotary table rotates again is avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first cross-sectional view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a second cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 according to the present invention in the X direction;
FIG. 6 is an enlarged view of the Y-direction portion of FIG. 3 of the present invention;
FIG. 7 is an enlarged view of the invention in the Z-direction of FIG. 4;
fig. 8 is an enlarged view of the invention in the direction of M of fig. 4.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 8, the positioning and fixing device for the telescopic arm of the crane for the water conservancy ship comprises a base mechanism 1 and a main extension mechanism 2, wherein the lower end of the base mechanism 1 is installed on the existing working ground, and the main extension mechanism 2 is arranged at the right end of the base mechanism 1.
The base mechanism 1 comprises a base station 10, a rotary table 11, a base 12, a first electric push rod 13, a first vertical plate 14, a first rotating shaft 15, a main rotating rod 16, a bump 17, a second vertical plate 18, a round rod 19, a steel wire rope 100 and a first motor 130, the lower end surface of the base station 10 is installed on the existing working ground, the rotary table 11 is arranged in the middle of the upper end of the base station 10, a circular ring plate 111 is installed at the middle upper end of the rotary table 11, the first electric push rod 13 is installed on the upper end surface of the rotary table 11, the first electric push rod 13 is of a right-inclined structure, the first vertical plates 14 are symmetrically installed in front and back of the upper end surface of the rotary table 11, the first rotating shaft 15 is installed between the first vertical plates 14 through a bearing, the main rotating rod 16 is installed on the first rotating shaft 15 in a sliding fit manner, the bump 17 is installed at the right end of the lower end surface of the main rotating rod 16, the left end surface of the bump 17 is connected, install round bar 19 through the bearing between No. two risers 18, twine wire rope 100 through sliding fit mode on the round bar 19, the rear end of round bar 19 links to each other with the output axle head of a motor 130, the lower extreme of a motor 130 links to each other with the rear end face of main bull stick 16, the right-hand member of main bull stick 16 is provided with mainly stretches mechanism 2, wire rope 100's right-hand member links to each other with the main right-hand member of stretching mechanism 2 through sliding fit mode, upwards or promote main bull stick 16 downwards through an electric putter 13, main bull stick 16 drives mainly stretches the synchronous rotation of mechanism 2 and stretches the interval between mechanism 2 and the goods in order to adjust mainly, then drive round bar 19 through a motor 130 and rotate, wire rope 100 is along with round bar 19 and is unreel the motion in step, so that follow-up hoists the goods and transport.
The lower end of the rotary table 11 is connected with the inner bottom wall of a circular groove through a bearing, the circular groove is arranged in the middle of the upper end face of the base table 10, a circular ring plate 111 is arranged at the middle upper end of the rotary table 11, the circular ring plate 111 is positioned right above the base table 10, a base rod 112 is symmetrically arranged in front of and behind the lower end face of the circular ring plate 111, an inverted U-shaped through groove is arranged in the middle of the left end face of the base rod 112, a shaft rod 113 is arranged between the front inner side wall and the rear inner side wall of the inverted U-shaped through groove, a limiting rod 114 is arranged in the middle of the shaft rod 113 in a sliding fit mode, the lower end of the limiting rod 114 is connected with the limiting groove in a sliding fit mode, the limiting groove is arranged on the upper end face of the base table 10, the limiting grooves are evenly distributed along the circumferential direction of the base table 10, the rotary table 11 is manually rotated, the rotary table, the base rod 112 drives the limiting rod 114 to rotate synchronously, after the rotary table 11 rotates to a corresponding angle, the limiting rod 114 is rotated manually so that the limiting rod 114 can be clamped in the limiting groove, relative fixing processing is further implemented between the rotary table 11 and the base table 10, multi-angle transformation of the whole equipment can be realized through cooperation between the rotary table 11 and the limiting rod 114, and then the adaptation degree of the whole goods hoisting at different positions is improved.
The below of ring plate 111 be provided with the angle line, the angle line is carved at the up end of base station 10, and the angle line is located the outside of the spacing recess of base station up end, operating personnel can accurately hold the revolving stage 11 turned angle under the condition with the help of the angle line to can improve the speed of just docking between goods and the couple 212 in order to improve the speed of goods single transportation, and then improve the holistic work efficiency of equipment.
The inner side wall of a circular groove in the middle of the base station 10 is provided with built-in grooves, the built-in grooves are uniformly distributed along the circumferential direction of the base station 10, a first compression spring 101 is arranged in each built-in groove, the outer side end of the first compression spring 101 is connected with the inner side wall of each built-in groove, the inner side end of each first compression spring 101 is connected with the outer side end of each moving block 102, the inner side end of each moving block 102 is of a convex arc structure, an installation groove is arranged right inside each built-in groove and is formed in the lower end of the rotary table 11, a second compression spring 103 is arranged in each installation groove, the inner side end of each second compression spring 103 is connected with the inner side wall of each installation groove, the outer side end of each second compression spring 103 is connected with the inner side end of each clamping column 104, the outer side end of each clamping column 104 is connected with the inner side end of each moving block 102, when the rotation of the turntable 11 is stopped, the card post 104 is just in contact with the single moving block 102, the second compression spring 103 gives the outward pushing force to the clamping column 104, the first compression spring 101 gives the inward pushing force to the moving block 102, so that the degree of tightness between the moving block 102 and the clamping column 104 is increased, when the rotation of the turntable 11 stops, the clamping column 104 is just clamped between the adjacent moving blocks 102, the moving blocks 102 and the clamping column 104 are clamped mutually under the action of the first compression spring 101 and the second compression spring 103, and then the probability of the re-rotation phenomenon between the turntable 11 and the base station 10 is reduced, and the fixing degree between the turntable 11 and the base station 10 can be improved by the matching among the moving block 102, the clamping column 104, the first compression spring 101, the second compression spring 103 and the limiting rod 114, so that the re-rotation phenomenon of the turntable 11 is avoided.
The limiting rod 114 comprises a first rotating rod 11a, a second rotating rod 11b and a supporting rod 11c, the right end of the first rotating rod 11a is connected with the shaft rod 113 through a sliding fit mode, a second pin shaft is installed at the left end of the first rotating rod 11a, a second rotating rod 11b is installed in the middle of the second pin shaft through a sliding fit mode, a third pin shaft is installed at the lower end of the second rotating rod 11b, the supporting rod 11c is installed in the middle of the third pin shaft through a sliding fit mode, a multistage rotating structure can be formed between the first rotating rod 11a, the second rotating rod 11b and the supporting rod 11c, under the condition that the base rod 112 and the limiting groove are not in normal relative, an operator can implement relative fixing operation between the rotating table 11 and the base table 10 through the multistage rotating structure, and further avoid the rotating table 11 from being in an unfixed state after rotating and causing influence on lifting of goods.
The main extension mechanism 2 comprises an auxiliary rotating rod 20, a second rotating shaft 21, a second motor 22, a connecting frame 23, an extension rod 24, a connecting seat 25, a second electric push rod 26, a vertical plate 27, a main pulley 28, a connecting plate 29, an auxiliary pulley 210, a baffle ring plate 211 and a hook 212, wherein the left end of the auxiliary rotating rod 20 is connected with the right end of the main rotating rod 16 through the second rotating shaft 21, the second rotating shaft 21 is installed at the right end of the main rotating rod 16 through a bearing, the auxiliary rotating rod 20 is fixedly connected with the second rotating shaft 21, the front end of the second rotating shaft 21 is connected with the output shaft end of the second motor 22, the connecting frame 23 is installed at the left end of the rear end surface of the second motor 22, the rear end of the connecting frame 23 is connected with the front end surface of the main rotating rod 16, a rectangular groove is formed in the middle part of the right end surface of the auxiliary rotating rod 20, the extension rod 24 is installed in the rectangular groove in a sliding fit manner, the connecting seat 25 is symmetrically installed on the front end surface, a second electric push rod 26 is connected between the right and left opposite connecting seats 25, a vertical plate 27 is symmetrically arranged in front of and behind the right end face of the extension rod 24, a main pulley 28 is arranged between the vertical plates 27 through a pin shaft, connecting plates 29 are symmetrically arranged at the front end and the rear end of the pin shaft, the connecting plates 29 are positioned between the vertical plates 27, an auxiliary pulley 210 is arranged at the lower end of the connecting plates 29 through the pin shaft, the auxiliary pulley 210 is positioned at the oblique right lower part of the main pulley 28, retaining ring plates 211 are symmetrically arranged in front of and behind the middle parts of the main pulley 28 and the auxiliary pulley 210, the main pulley 28 and the auxiliary pulley 210 are connected with the right end of the steel wire rope 100 in a sliding fit manner, the steel wire rope 100 respectively bypasses the main pulley 28 and the auxiliary pulley 210 in an S shape, a hook 212 is arranged below the auxiliary pulley 210, the upper end of the hook 212 is connected with the right end face of the steel wire rope 100, a second motor 22 drives, the auxiliary rotating rod 20 drives the extension rod 24 to move synchronously, meanwhile, the first motor 130 drives the round rod 19 to rotate, so that the steel wire rope 100 slides synchronously along the surface of the main pulley 28 and the surface of the auxiliary pulley 210, the hook 212 moves synchronously along with the extension rod 24 through the steel wire rope 100, the distance between the hook 212 and the goods can be further adjusted so as to carry out hoisting operation on the goods, then the hook 212 is connected with the part where the goods can be hoisted through a manual mode, then the first motor 130 drives the round rod 19 to rotate, the round rod 19 drives the steel wire rope 100 to carry out rolling motion so as to hoist the goods, the second electric push rod 26 pushes the extension rod 24 rightwards, the length size of the extension rod 24 and the auxiliary rotating rod 20 is increased, so that the device is suitable for hoisting operation of the goods when the distance between a ship body and the goods is far, and the main rotating rod 16, the first electric push rod 13 and the main stretching mechanism 2 can be matched to realize the change of various, and then improve the overall rate of suitability of equipment to the goods hoist and mount of different positions department.
A ratchet wheel 270 is arranged right outside the vertical plate 27, the ratchet wheel 270 is arranged on a pin shaft connected with the main pulley 28, the left upper side of the ratchet wheel 270 is connected with a main pawl 271 in a sliding fit mode, a plate 272 is arranged at the left end of the main pawl 271, a third electric push rod 273 is arranged in the middle of the left end face of the plate 272, the left end of the third electric push rod 273 is connected with the right end face of the connecting seat 25 on the extension rod 24, an auxiliary pawl 274 is arranged right below the main pawl 271, the right end of the auxiliary pawl 274 is connected with the ratchet wheel 270 in a sliding fit mode, a fourth pin shaft is arranged at the left end of the auxiliary pawl 274, the inner end of the fourth pin shaft is connected with the outer end face of the vertical plate 27, the main pawl 271 is pushed by the third electric push rod 273 to reciprocate left and right, meanwhile, the auxiliary pawl 274 is lifted up and falls back to repeatedly clamp the ratchet wheel 270 under the fit with the, the ratchet wheel 270 is pushed to rotate, the ratchet wheel 270 drives the main pulley 28 to synchronously rotate through the first pin shaft connected with the ratchet wheel 270, the main pulley 28 drives the auxiliary pulley 210 to synchronously rotate through the connecting plate 29, the steel wire rope 100 drives the hook 212 to synchronously move along with the main pulley 28, further, the distance between the hook 212 and the auxiliary rotating rod 20 is adjusted, when the main pawl 271 is separated from the ratchet wheel 270, the auxiliary pawl 274 just blocks the ratchet wheel 270 to stop the ratchet wheel 270 and prevent rotation, the distance between the hook 212 and the auxiliary rotating rod 20 can be changed by matching between the main pawl 271, the auxiliary pawl 274, the ratchet wheel 270 and the third electric push rod 273, further, the collision phenomenon between goods and the auxiliary rotating rod 20 is avoided, and the range of the device for accommodating goods of different overall sizes can be improved.
The upper end surface of the left end of the secondary pawl 274 is connected with the right end of the elastic plate 27a in a sliding fit mode, the bottom plate 27b is installed at the left end of the elastic plate 27a, the inner side end of the bottom plate 27b is connected with the outer side end surface of the extension rod 24, the elastic plate 27a is pushed to move synchronously in the process of lifting up of the secondary pawl 274, when the secondary pawl 274 falls back to the ratchet wheel 270 of the clamping column 104, the elastic plate 27a is quickly restored to the original state, certain pressure can be provided for the secondary pawl 274 to improve the clamping degree of the secondary pawl 274 to the ratchet wheel 270, and meanwhile, the elastic plate 27a also plays a limiting role in limiting the secondary pawl 274 so as to avoid the phenomenon that the secondary pawl 274 is lifted up excessively and overturned.
When the rotary table works, the rotary table 11 is rotated manually, the rotary table 11 drives the main rotating rod 16 to rotate synchronously, the main rotating rod 16 drives the main stretching mechanism 2 to rotate synchronously, the annular plate 111 drives the base rod 112 to rotate synchronously with the rotary table 11, the base rod 112 drives the limiting rod 114 to rotate synchronously, after the rotary table 11 rotates to a corresponding angle, the limiting rod 114 is rotated manually to be clamped in the limiting groove, and then relative fixing processing is carried out between the rotary table 11 and the base station 10, in the rotating process of the rotary table 11, the clamping column 104 drives the second compression spring 103 to rotate synchronously with the rotary table 11, when the clamping column 104 just contacts with a single moving block 102 at the moment when the rotary table 11 stops rotating, the second compression spring 103 gives an outward pushing force to the clamping column 104, the first compression spring 101 gives an inward pushing force to the moving block 102, so that the degree of tightness between the rotary table moving block 102 and the clamping column 104 is increased, and further the relative fixing degree between the rotary table 11 and, when the rotary table 11 stops rotating, the clamping column 104 is just clamped between the adjacent moving blocks 102, the moving blocks 102 and the clamping column 104 are clamped with each other under the action of the first compression spring 101 and the second compression spring 103, so as to reduce the probability of the re-rotation phenomenon between the rotary table 11 and the base table 10, when the base rod 112 and the limiting groove are not in normal opposition, an operator can perform a relative fixing operation between the rotary table 11 and the base table 10 by means of a multistage rotating structure formed by the first rotating rod 11a, the second rotating rod 11b and the abutting rod 11c, then push the main rotating rod 16 upwards or downwards by the first electric push rod 13, the main rotating rod 16 drives the main stretching mechanism 2 to synchronously rotate so as to adjust the distance between the hook 212 and the goods, and simultaneously drives the second rotating shaft 21 to rotate by the second motor 22, and drives the auxiliary rotating rod 20 to synchronously rotate upwards or downwards by the second rotating shaft 21, the auxiliary rotating rod 20 drives the extension rod 24 to move synchronously, meanwhile, the first motor 130 drives the round rod 19 to rotate, so that the steel wire rope 100 slides synchronously along the surface of the main pulley 28 and the surface of the auxiliary pulley 210, the hook 212 moves synchronously along with the extension rod 24 through the steel wire rope 100, further, the distance between the hook 212 and the goods can be adjusted to facilitate the hoisting operation of the goods, then, the hook 212 is connected with the position where the goods can be hoisted through a manual mode, then, the first motor 130 drives the round rod 19 to rotate, the round rod 19 drives the steel wire rope 100 to perform rolling motion to hoist the goods, the second electric push rod 26 pushes the extension rod 24 rightwards, the length size of the extension rod 24 and the auxiliary rotating rod 20 is increased, so that the device can adapt to the hoisting operation of the goods when the distance between a ship body and the goods is far, the third electric push rod 273 pushes the main pawl 271 to perform reciprocating motion leftwards and rightwards, meanwhile, the auxiliary pawl 274 performs repeated motion of lifting up and falling back to clamp the, when the main pawl 271 moves rightwards, the ratchet wheel 270 is pushed to rotate, the ratchet wheel 270 drives the main pulley 28 to synchronously rotate through a pin shaft connected with the ratchet wheel 270, the main pulley 28 drives the auxiliary pulley 210 to synchronously rotate through the connecting plate 29, the steel wire rope 100 drives the hook 212 to synchronously move along with the main pulley 28, further, the distance between the hook 212 and the auxiliary rotating rod 20 is adjusted, when the main pawl 271 is separated from the ratchet wheel 270, the auxiliary pawl 274 just blocks the ratchet wheel 270 to stop the ratchet wheel 270 and prevent rotation, the matching among the main pawl 271, the auxiliary pawl 274, the ratchet wheel 270 and the third electric push rod 273 can realize the change processing of the distance between the hook 212 and the auxiliary rotating rod 20, and further, the collision phenomenon between goods and the auxiliary rotating rod 20 is avoided.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a flexible arm location fixed equipment of crane for water conservancy boats and ships, includes basement mechanism (1) and main mechanism (2) of stretching, its characterized in that: the lower end of the base mechanism (1) is arranged on the existing working ground, and the right end of the base mechanism (1) is provided with a main extension mechanism (2);
the base mechanism (1) comprises a base platform (10), a rotary table (11), a base (12), a first electric push rod (13), a first vertical plate (14), a first rotating shaft (15), a main rotating rod (16), a convex block (17), a second vertical plate (18), a round rod (19), a steel wire rope (100) and a first motor (130), the lower end face of the base platform (10) is installed on the existing working ground, the rotary table (11) is arranged in the middle of the upper end of the base platform (10), a circular ring plate (111) is installed at the middle upper end of the rotary table (11), the first electric push rod (13) is installed on the upper end face of the rotary table (11), the first electric push rod (13) is of a right-inclined structure, the first vertical plate (14) is symmetrically installed in front and back of the upper end face of the rotary table (11), the first rotating shaft (15) is installed between the first vertical plates (14) through a bearing, the main rotating rod (16, the lower end face right end of the main rotating rod (16) is provided with a convex block (17), the left end face of the convex block (17) is connected with the upper end of a first electric push rod (13), the left end face of the upper end face of the main rotating rod (16) is symmetrically provided with a second vertical plate (18) in a front-back mode, a round rod (19) is arranged between the second vertical plates (18) through a bearing, a steel wire rope (100) is wound on the round rod (19) in a sliding fit mode, the rear end of the round rod (19) is connected with the output shaft end of a first motor (130), the lower end of the first motor (130) is connected with the rear end face of the main rotating rod (16), the right end of the main rotating rod (16) is provided with a main stretching mechanism (2), and the right end of the steel wire rope (100) is connected with the right;
the main extension mechanism (2) comprises an auxiliary rotating rod (20), a second rotating shaft (21), a second motor (22), a connecting frame (23), an extension rod (24), a connecting seat (25), a second electric push rod (26), a vertical plate (27), a main pulley (28), a connecting plate (29), an auxiliary pulley (210), a baffle ring plate (211) and a hook (212), wherein the left end of the auxiliary rotating rod (20) is connected with the right end of the main rotating rod (16) through the second rotating shaft (21), the second rotating shaft (21) is arranged at the right end of the main rotating rod (16) through a bearing, the auxiliary rotating rod (20) is fixedly connected with the second rotating shaft (21), the front end of the second rotating shaft (21) is connected with the output shaft end of the second motor (22), the connecting frame (23) is arranged at the left end of the rear end face of the second motor (22), the rear end of the connecting frame (23) is connected with the front end face of the main rotating rod (16), and a rectangular groove is formed in the middle part of the right end face of the auxiliary rotating rod (, an extension rod (24) is installed in the rectangular groove in a sliding fit mode, connecting seats (25) are symmetrically installed on the front end face and the rear end face of the connecting frame (23) and the front end face and the rear end face of the extension rod (24), a second electric push rod (26) is connected between the right and left opposite connecting seats (25), vertical plates (27) are symmetrically installed on the front and rear of the right end face of the extension rod (24), a main pulley (28) is installed between the vertical plates (27) through a pin shaft, connecting plates (29) are symmetrically installed on the front and rear ends of the pin shaft, the connecting plates (29) are located between the vertical plates (27), an auxiliary pulley (210) is installed at the lower end of each connecting plate (29) through a pin shaft, the auxiliary pulley (210) is located on the oblique right lower side of the main pulley (28), retaining ring plates (211) are symmetrically installed on the front and rear of the middle portions of the main pulley (28) and the auxiliary pulley (210), the main pulley (28), the steel wire rope (100) is S-shaped and respectively bypasses the main pulley (28) and the auxiliary pulley (210), a hook (212) is arranged below the auxiliary pulley (210), and the upper end of the hook (212) is connected with the right end face of the steel wire rope (100).
2. The positioning and fixing device for the telescopic boom of the crane for the water conservancy ship according to claim 1, is characterized in that: the lower extreme of revolving stage (11) link to each other through the interior diapire of bearing and circle recess, the up end middle part at base station (10) is seted up to the circle recess, ring board (111) are installed to the middle upper end of revolving stage (11), ring board (111) are located base station (10) directly over, base rod (112) are installed to the symmetry around the lower terminal surface of ring board (111), the logical groove of type of falling U has been seted up at the left end face middle part of base rod (112), install axostylus axostyle (113) between the front and back inside wall that the logical groove of type of falling U was led to, gag lever post (114) are installed through the sliding fit mode in the middle part of axostylus axostyle (113), the lower extreme of gag lever post (114) links to each other with spacing recess through the sliding fit mode, spacing recess is seted up at.
3. The positioning and fixing device for the telescopic boom of the crane for the water conservancy ship according to claim 1, is characterized in that: the inner side wall of a circular groove in the middle of the base station (10) is provided with a built-in groove, the built-in grooves are evenly distributed along the circumferential direction of the base station (10), a first compression spring (101) is arranged in each built-in groove, the outer side end of the first compression spring (101) is connected with the inner side wall of each built-in groove, the inner side end of the first compression spring (101) is connected with the outer side end of the moving block (102), the inner side end of the moving block (102) is of a convex arc structure, an installation groove is arranged right inside the built-in groove, the installation groove is arranged at the lower end of the rotary table (11), a second compression spring (103) is arranged in the installation groove, the inner side end of the second compression spring (103) is connected with the inner side wall of the installation groove, the outer side end of the second compression spring (103) is connected with the inner side end of the clamping column (104), and the.
4. The positioning and fixing device for the telescopic boom of the crane for the water conservancy ship according to claim 2, is characterized in that: gag lever post (114) including dwang (11a), No. two dwang (11b) and support pole (11c), the right-hand member of dwang (11a) passes through sliding fit mode and links to each other with axostylus axostyle (113), No. two round pin axles are installed to the left end of dwang (11a), No. two dwang (11b) are installed through sliding fit mode at No. two round pin axle middle parts, No. three round pin axles are installed to the lower extreme of No. two dwang (11b), support pole (11c) are installed through sliding fit mode at No. three round pin axle's middle part.
5. The positioning and fixing device for the telescopic boom of the crane for the water conservancy ship according to claim 1, is characterized in that: the vertical plate (27) is provided with a ratchet wheel (270) on the outer side, the ratchet wheel (270) is installed on a pin shaft connected with a main pulley (28), the left upper side of the ratchet wheel (270) is connected with a main pawl (271) in a sliding fit mode, a plate block (272) is installed at the left end of the main pawl (271), a third electric push rod (273) is installed in the middle of the left end face of the plate block (272), the left end of the third electric push rod (273) is connected with the right end face of a connecting seat (25) on an extension rod (24), an auxiliary pawl (274) is arranged under the main pawl (271), the right end of the auxiliary pawl (274) is connected with the ratchet wheel (270) in a sliding fit mode, a fifth pin shaft is installed at the left end of the auxiliary pawl (274), and the inner side end of the fifth pin shaft is connected with the outer end.
6. The positioning and fixing device for the telescopic boom of the crane for the water conservancy ship according to claim 5, is characterized in that: the upper end face of the left end of the auxiliary pawl (274) is connected with the right end of the elastic plate (27a) in a sliding fit mode, the left end of the elastic plate (27a) is provided with a bottom plate (27b), and the inner side end of the bottom plate (27b) is connected with the outer end face of the extension rod (24).
7. The positioning and fixing device for the telescopic boom of the crane for the water conservancy ship according to claim 2, is characterized in that: an angle line is arranged below the circular ring plate (111), the angle line is carved on the upper end face of the base station (10), and the angle line is located on the outer side of the limiting groove of the upper end face of the base station.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011001416.7A CN112062008B (en) | 2020-09-22 | 2020-09-22 | Crane telescopic boom positioning and fixing equipment for water conservancy ships |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011001416.7A CN112062008B (en) | 2020-09-22 | 2020-09-22 | Crane telescopic boom positioning and fixing equipment for water conservancy ships |
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| CN112062008A true CN112062008A (en) | 2020-12-11 |
| CN112062008B CN112062008B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011001416.7A Active CN112062008B (en) | 2020-09-22 | 2020-09-22 | Crane telescopic boom positioning and fixing equipment for water conservancy ships |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030121A (en) * | 2022-06-28 | 2022-09-09 | 武汉理工大学 | Water area garbage cleaning ship |
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| JPH06171890A (en) * | 1992-06-23 | 1994-06-21 | Tadano Ltd | Automatic stopping device for swing of mobile crane |
| CN205500625U (en) * | 2016-04-06 | 2016-08-24 | 邹城市创拓矿山设备有限公司 | Arm lifting machine is folded to mining crawler -type |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115030121B (en) * | 2022-06-28 | 2023-09-26 | 武汉理工大学 | Water area garbage cleaning ship |
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| CN112062008B (en) | 2022-08-09 |
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