CN113896119A - Locking device for rotating mechanism and floating crane rotating mechanism - Google Patents
Locking device for rotating mechanism and floating crane rotating mechanism Download PDFInfo
- Publication number
- CN113896119A CN113896119A CN202110998437.9A CN202110998437A CN113896119A CN 113896119 A CN113896119 A CN 113896119A CN 202110998437 A CN202110998437 A CN 202110998437A CN 113896119 A CN113896119 A CN 113896119A
- Authority
- CN
- China
- Prior art keywords
- locking
- shaft
- bearing
- rib plate
- reinforcing rib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
Abstract
The invention relates to a locking device for a rotating mechanism and a floating crane rotating mechanism. The rotating mechanism comprises a base and a rotating gear box, and a reinforcing rib plate is convexly arranged on the outer side surface of the rotating gear box; the locking device for the rotating mechanism comprises at least two locking assemblies, the two locking assemblies are respectively located on two sides of the reinforcing rib plate, each locking assembly comprises two shaft pins, two bearing seats and a telescopic device with adjustable length, the two bearing seats are respectively and fixedly arranged on one side surface of the reinforcing rib plate and the upper surface of the base, two ends of the telescopic device are respectively and movably hinged with the two bearing seats, the two bearing seats are limited from two sides of the reinforcing rib plate, the rotation of the rotating gear box is further limited, the locking of the rotating mechanism is achieved, and the problem that gears meshed in the rotating gear box are damaged due to relatively large shearing force when the floating crane swings under the condition of large sea storms can be avoided.
Description
Technical Field
The invention relates to the technical field of ship manufacturing, in particular to a locking device for a rotating mechanism and a floating crane rotating mechanism.
Background
In offshore oil development projects, it is necessary to build an oil production platform at sea and install various production and living facilities on the oil production platform, which all require a crane to implement. The floating crane is also called a crane ship, and hoisting equipment is arranged on the ship, can be used for hoisting large structures and is essential hoisting and transporting equipment. The crane ship comprises a fixed crane ship and a rotary crane ship, wherein a boom of the fixed crane ship cannot horizontally rotate, the working range of the crane ship is small, the maneuverability is poor, the operation efficiency is not high, and the requirement of crane operation cannot be met; the cargo boom of the rotary crane ship can realize 360-degree rotation through the arrangement of the rotating mechanism, and the rotary crane ship is provided with a lifting mechanism, a rotating mechanism and an amplitude-changing mechanism, so that the operation range is expanded, the requirements of various loading and unloading operations of ports can be better met, and the application is wider.
The large-scale floating crane in the prior art mainly comprises a ship body, a living area and a floating crane body, wherein the living area and the floating crane body are arranged on the ship body; the floating crane comprises a floating crane base, a rotating mechanism, a suspension arm, a machine room, a rack and the like, wherein the top of the rack is connected with the end part of the suspension arm through a steel wire rope, a support bracket is arranged at the top of a living area, and the suspension arm can be placed on the support bracket. For the currently used large-scale mechanism, the rotation mechanism realizes the rotation of the suspension arm through the meshing of the gears, a special locking device is not arranged, and after the suspension arm finishes the work of the suspension arm, the suspension arm rotates to the position above the ship body and is locked by the meshing of the gears in the rotation mechanism. However, when the offshore operation is carried out, the suspension arm is stressed to swing under the action of external force such as strong wind, surge and the like, so that the teeth meshed with the gear are subjected to relatively large shearing force, the gear is damaged, and the gear needs to be repaired or replaced; the existing fixing can be realized by placing the suspension arm above the supporting bracket at the top of the living area, but the lowering and lifting operations are time-consuming, and more fuel oil loss is caused.
Disclosure of Invention
Accordingly, an object of the present invention is to provide a locking device for a rotary mechanism, which has the advantages of simple structure, easy and convenient locking operation, and effective prevention of damage to the rotary structure due to stress.
A locking device for a rotating mechanism is applied to the rotating mechanism of a floating crane, the rotating mechanism comprises a base and a rotating gear box rotatably mounted on the base, and a reinforcing rib plate is convexly arranged on the outer side surface of the rotating gear box; the locking device for the rotating mechanism comprises at least two locking assemblies, the two locking assemblies are respectively positioned on two sides of the reinforcing rib plate, each locking assembly comprises two shaft pins, two bearing seats and a telescopic device with adjustable length, the two bearing seats are respectively and fixedly arranged on the surface of one side of the reinforcing rib plate and the upper surface of the base, and each bearing seat is provided with a bearing hole; the two ends of the telescopic device are respectively provided with a shaft hole, and the two shaft pins are correspondingly movably arranged in the shaft holes and the bearing holes in a penetrating manner, so that the two ends of the telescopic device are respectively movably hinged with the two bearing seats.
The locking device for the rotating mechanism of the embodiment of the invention is characterized in that the locking device is arranged on two sides of the reinforcing rib plate, bearing seats are arranged on the side surface of the reinforcing rib plate and the upper surface of the base, the two ends of the telescopic device are movably hinged with the bearing seats, the reinforcing rib plate is limited from the two sides of the reinforcing rib plate, and the rotation of the rotary gear box is further limited, the structure is utilized to realize the locking of the rotating mechanism under the condition of strong sea wind and wave, the problem that the gear engaged in the rotating gear box is damaged due to relatively large shearing force when the floating crane is stressed to swing can be avoided, the problems of long time consumption and extra fuel loss caused by lowering the suspension arm of the floating crane onto the support bracket under the condition of strong wind waves and re-lifting during subsequent work in the prior art are solved; simultaneously, the setting of telescoping device adjustable length makes rotary mechanism stops under the circumstances that the circumference position has the deviation with predetermineeing the position, through the adjustment the length of telescoping device guarantees the shaft hole at telescoping device both ends can with the dead eye of bearing frame is coaxial, the pivot can wear to locate smoothly the shaft hole and the dead eye realizes the activity articulated, reduces the requirement to the operating accuracy.
Further, the telescopic device comprises a locking shaft and a locking barrel; the locking shaft comprises a first locking shaft and a second locking shaft; one ends of the first locking shaft and the second locking shaft are both provided with the shaft holes along the radial direction, the other ends of the first locking shaft and the second locking shaft are both provided with external threads along the circumferential direction, and the directions of the external threads of the first locking shaft and the second locking shaft are opposite; and screw holes matched with the external threads of the first locking shaft and the second locking shaft are respectively arranged at two ends of the locking cylinder and are respectively in threaded connection with the first locking shaft and the second locking shaft. Utilize two-way threaded setting, through pivoting the locking section of thick bamboo, can adjust first locking axle the second locking axle certainly wear out length in the locking section of thick bamboo, and then realize telescoping device's adjustable length, simple structure and easy and simple to handle.
Furthermore, the telescopic device further comprises a wrench pin, the locking cylinder is radially provided with a wrench hole, and the wrench pin is movably arranged in the wrench hole in a penetrating manner. The wrench pin is matched with the wrench hole, so that the torque can be prolonged, and the locking barrel can be conveniently rotated by a worker.
Further, the figure of spanner hole is 3 at least, and it is followed the circumference evenly distributed of a locking section of thick bamboo, and be located the middle part of a locking section of thick bamboo, through changing the spanner hole that spanner round pin wore to establish can effectively reduce staff's during the rotation operation range of motion when accomplishing a locking section of thick bamboo rotation in a circumferential direction, and the staff of further being convenient for is right the rotation operation of a locking section of thick bamboo.
Furthermore, each bearing seat comprises two opposite bearing side plates, and the bearing side plates are fixedly arranged on the upper surface of the base or one side surface of the reinforcing rib plate along the vertical direction; the locking shaft is located two between the bearing side plate, and two the bearing side plate corresponds the position department in shaft hole runs through and forms the dead eye.
Further, the shaft pin comprises a limiting end and a clamping end, a limiting part is convexly arranged on the outer side surface of the limiting end, and an annular groove is formed in the outer side surface of the clamping end along the circumferential direction; the outer diameter of the limiting part is larger than the inner diameter of the bearing hole; the bearing seat further comprises a safety plate, the outer diameter of the safety plate is larger than that of the bearing hole, the safety plate is provided with an open slot, and the safety plate is movably clamped in the annular groove. The limiting part and the safety plate are matched with each other to limit the shaft pin, so that the problem that the shaft pin is separated from the bearing hole and the shaft hole to cause locking failure is avoided.
Furthermore, the bearing seat further comprises a bearing rib plate, and two sides of the bearing rib plate are respectively and fixedly connected with the two bearing side plates and fixedly connected with the upper surface of the machine base or the surface of one side of the reinforcing rib plate. The arrangement of the bearing rib plate is used for improving the structural stability of the bearing seat.
Further, the reinforcing rib comprises two rib bodies which are arranged oppositely, and the rib bodies are arranged on the outer side surface of the rotary gearbox along the vertical direction; the bearing seats of the two locking assemblies are respectively and fixedly arranged on the surface of one side of each of the two rib plate bodies, which is back to the back.
Furthermore, the reinforcing rib plate also comprises reinforcing rib columns, and two ends of each reinforcing rib column are respectively fixed on one side surface of the two rib plate bodies opposite to each other. The arrangement of the reinforcing rib column is used for improving the structural stability of the ribbed plate body.
In addition, the embodiment of the invention also provides a floating crane rotating mechanism, which comprises a base, a rotating gear box fixed on the base and the locking device for the rotating mechanism; the floating crane rotating mechanism is provided with a working state and a locking state, when in the working state, the telescopic device is horizontally placed on the upper surface of the machine base, and one end of the telescopic device is movably hinged with the bearing seat on the upper surface of the machine base; when the locking mechanism is in the locking state, the telescopic device and the upper surface of the machine base form an acute angle, and two ends of the telescopic device are respectively movably hinged with the outer surface of the rotary gear box and the bearing seat on the upper surface of the machine base.
According to the floating crane rotating mechanism provided by the embodiment of the invention, the locking of the floating crane rotating mechanism can be realized by using the locking device for the rotating mechanism, the effective locking is realized, the gear damage is reduced, the operation is simple and convenient, the consumed time is short, the extra fuel oil loss is not needed, and the economic benefit is high.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a locking device for a rotating mechanism according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a telescopic device according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a spanner pin according to embodiment 1 of the present invention;
fig. 4 is a schematic view of length adjustment of the telescopic device according to embodiment 1 of the present invention;
FIG. 5 is a schematic cross-sectional view of a lock cylinder according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of a bearing side plate according to embodiment 1 of the present invention;
FIG. 7 is a schematic view of a shaft pin structure according to embodiment 1 of the present invention;
FIG. 8 is a schematic diagram of a safety plate structure according to embodiment 1 of the present invention;
FIG. 9 is a schematic view of the installation of the safety plate according to embodiment 1 of the present invention;
FIG. 10 is a schematic view of a stiffener structure according to embodiment 1 of the present invention;
fig. 11 is a schematic partial structural view of the floating crane rotating mechanism according to embodiment 2 of the present invention in a working state;
fig. 12 is a partial structural schematic view of the floating crane rotating mechanism according to embodiment 2 of the present invention in a locked state;
fig. 13 is a schematic view of a process for adjusting the lengths of two telescopic devices according to embodiment 2 of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
It should be noted that, in the embodiment of the present invention, the floating crane mainly includes a hull, and structures such as a living area, a floating crane body, and a power mechanism, which are disposed on the hull; the floating crane comprises a floating crane body, a floating crane base, a rotating mechanism, a suspension arm, a machine room, a rack and the like, wherein the floating crane base is fixedly arranged on a deck surface of a ship body, the rotating mechanism, the machine room and the rack are fixed on the floating crane base, the top of the rack is connected with the end part of the suspension arm through a steel wire rope, a gear transmission mechanism is arranged in the rotating mechanism, the power mechanism further drives the lifting action of the suspension arm by driving the unwinding and winding of the steel wire rope, and the gear transmission mechanism is driven to further drive the rotation operation of the suspension arm; the top of the living area is provided with a supporting bracket, and the suspension arm can be placed downwards and placed on the supporting bracket.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural view of a locking device for a rotating mechanism according to embodiment 1 of the present invention, and as shown in the figure, embodiment 1 of the present invention provides a locking device for a rotating mechanism, which is applied to a floating crane rotating mechanism, wherein the rotating mechanism 10 includes a base 12 and a rotating gear box 14 rotatably mounted on the base 12, a gear transmission mechanism is disposed in the rotating gear box 14, and a reinforcing rib plate 16 is convexly disposed on an outer side surface of the rotating gear box 14. The locking device for the rotating mechanism comprises at least two locking assemblies 20, the two locking assemblies 20 are respectively positioned at two sides of the reinforcing rib plate 16, each locking assembly 20 comprises two shaft pins 21, two bearing seats 22 and a telescopic device 23 with adjustable length, the two bearing seats 22 are respectively and fixedly arranged on the surface of one side of the reinforcing rib plate 16 and the upper surface of the base 12, and each bearing seat 22 is provided with a bearing hole 221; both ends of the telescopic device 23 are provided with shaft holes 231, and the two shaft pins 21 are correspondingly movably inserted into the shaft holes 231 and the bearing holes 221, so that both ends of the telescopic device 23 are movably hinged with the two bearing seats 22 respectively.
The locking device for the rotating mechanism in embodiment 1 of the invention is provided with the locking devices on two sides of the reinforcing rib plate, bearing seats are arranged on the side surface of the reinforcing rib plate and the upper surface of the base, the two ends of the telescopic device are movably hinged with the bearing seats, the reinforcing rib plate is limited from the two sides of the reinforcing rib plate, and the rotation of the rotary gear box is further limited, the structure is utilized to realize the locking of the rotating mechanism under the condition of strong sea wind and wave, the problem that the gear engaged in the rotating gear box is damaged due to relatively large shearing force when the floating crane is stressed to swing can be avoided, the problems of long time consumption and extra fuel loss caused by lowering the suspension arm of the floating crane onto the support bracket under the condition of strong wind waves and re-lifting during subsequent work in the prior art are solved; simultaneously, the setting of telescoping device adjustable length makes rotary mechanism stops under the circumstances that the circumference position has the deviation with predetermineeing the position, through the adjustment the length of telescoping device guarantees the shaft hole at telescoping device both ends can with the dead eye of bearing frame is coaxial, the pivot can wear to locate smoothly the shaft hole and the dead eye realizes the activity articulated, reduces the requirement to the operating accuracy.
Specifically, referring to fig. 2, fig. 2 is a schematic structural view of a telescopic device according to embodiment 1 of the present invention, and as shown in the figure, the telescopic device 23 includes a locking shaft 232 and a locking cylinder 233; the lock shaft 232 includes a first lock shaft and a second lock shaft; one ends of the first locking shaft and the second locking shaft are both provided with shaft holes 231 along the radial direction, the other ends of the first locking shaft and the second locking shaft are both provided with external threads along the circumferential direction, and the directions of the external threads of the first locking shaft and the second locking shaft are opposite; two ends of the locking cylinder 233 are respectively provided with screw holes matched with the external threads of the first locking shaft and the second locking shaft, and are respectively in threaded connection with the first locking shaft and the second locking shaft. By means of the arrangement of the bidirectional threads and the rotation of the locking barrel 233 around the shaft, the penetration length of the first locking shaft and the second locking shaft in the locking barrel 233 can be adjusted, and then the telescopic device 23 is adjustable in length, simple in structure and easy and convenient to operate.
As an optional implementation manner, in the embodiment, the expansion device 23 further includes a wrench pin 234, please refer to fig. 3-4, fig. 3 is a schematic view of a structure of the wrench pin in embodiment 1 of the present invention, fig. 4 is a schematic view of length adjustment of the expansion device in embodiment 1 of the present invention, the locking cylinder 233 is radially provided with a plurality of wrench holes 235, and the wrench pin 234 is movably inserted into the wrench holes 235. As shown in fig. 4, the torque can be extended by the engagement of the key pin 234 and the key hole 235, which facilitates the rotation of the locking cylinder 233 by the operator. It is further preferable that the number of the wrench holes 235 is at least 3, referring to fig. 5, fig. 5 is a cross-sectional view of the locking cylinder according to embodiment 1 of the present invention, and as shown in the figure, the number of the wrench holes 235 in this embodiment is 4, which is uniformly distributed along the circumference of the locking cylinder 233 and is located at the middle of the locking cylinder 233. Through changing the spanner hole 235 that spanner round pin 234 wore to establish, can effectively reduce staff's scope of motion when rotatory operation when accomplishing locking a section of thick bamboo rotation in a circumferential direction, the further rotatory operation of staff to locking a section of thick bamboo 233 of being convenient for.
Specifically, each bearing seat 22 includes two opposite bearing side plates 222, please refer to fig. 6, fig. 6 is a schematic structural diagram of the bearing side plates according to embodiment 1 of the present invention, and the bearing side plates 222 are fixedly disposed on the upper surface of the base 12 or one side surface of the reinforcing rib 16 along the vertical direction; the locking shaft 232 is located between the two bearing side plates 222, and the bearing holes 221 are formed through the two bearing side plates 222 at positions corresponding to the shaft holes 231. Further preferably, the bearing seat 22 further comprises a bearing rib (not shown), and two sides of the bearing rib are respectively and fixedly connected with the two bearing side plates 222 and the upper surface of the base 12 or the surface of one side of the reinforcing rib 16. The provision of the bearing ribs serves to increase the structural stability of the bearing housing 22.
Referring to fig. 7, fig. 7 is a schematic view of a shaft pin structure according to embodiment 1 of the present invention, as shown in the figure, the shaft pin 21 includes a limiting end and a fastening end, a limiting portion 211 is convexly disposed on an outer side surface of the limiting end, and an annular groove 212 is circumferentially disposed on an outer side surface of the fastening end; the outer diameter of the stopper 211 is larger than the inner diameter of the bearing hole 221; the bearing seat 22 further includes a safety plate 26, an outer diameter of the safety plate 26 is larger than an outer diameter of the bearing hole 221, and the safety plate 26 is provided with an open slot 261 and movably clamped in the annular groove 212, please refer to fig. 8-9, fig. 8 is a schematic diagram of a safety plate structure described in embodiment 1 of the present invention, fig. 9 is a schematic diagram of a safety plate installation described in embodiment 1 of the present invention, and further preferably, as shown in fig. 8, in this embodiment, the safety plate 26 is in a U-shaped structure. The spacing portion 211 and the safety plate 26 are matched with each other to limit the shaft pin 21, so as to avoid the problem that the shaft pin is disengaged from the bearing hole 221 and the shaft hole 231, and further the locking is disabled.
As an alternative embodiment, please refer to fig. 10, fig. 10 is a schematic diagram of a stiffener structure according to embodiment 1 of the present invention, in which the stiffener 16 includes two opposing rib bodies 161, and the rib bodies 161 are disposed on the outer surface of the rotary gear box 14 along the vertical direction; the bearing seats 22 of the two locking assemblies 20 are respectively fixedly arranged on the opposite side surfaces of the two rib plate bodies 161. Further preferably, the reinforcing floor 16 further includes a reinforcing rib post 162, and both ends of the reinforcing rib post 162 are fixed to opposite side surfaces of the two floor bodies 161, respectively. The arrangement of the stiffener is to increase the structural stability of the rib plate body 161. The rib plate body 161 is originally arranged on the outer side of the rotary gear box of the existing floating crane rotary mechanism 10, and in embodiment 1 of the present invention, a rib plate body 161 is additionally arranged on one side of the original rib plate body 161, and the arrangement of the reinforcing rib posts is further matched, so that the locking assemblies 20 on two sides can be better and more evenly fixed, and thus better locking is performed.
Example 2
When the offshore wind power is strong and the surge is large, the floating crane rotating mechanism 10 needs to be locked for safety; the specific locking method is as follows:
the worker operates the floating crane rotating mechanism 10 to rotate to a preset position, and the reinforcing rib plate 16 is correspondingly positioned between two telescopic devices 23 horizontally placed on the upper surface of the base 12; by lifting the end of the telescopic device 23 which is not movably hinged with the bearing seat 22 to be positioned between the two bearing side plates 222 of the first bearing seat, further inserting the shaft pin 21 between the bearing hole 221 and the shaft hole 231, and then installing the safety plate 26 on the shaft pin 21 to prevent the shaft pin 21 from falling off; referring to fig. 12, fig. 12 is a schematic view of a partial structure of a floating crane rotating mechanism according to embodiment 2 of the present invention in a locked state, as shown in the figure, both of the two telescoping devices 23 form an acute angle with the upper surface of the machine base 12, and both ends thereof are movably hinged to the first bearing block and the second bearing block, respectively, so that the floating crane rotating mechanism 10 is in the locked state. The locking device 23, the reinforcing rib plate 16 and the base 12 can form a stable triangular support structure on two sides of the reinforcing rib plate 16, so that the reinforcing rib plate 16 can be limited and fixed from two sides thereof to limit the circumferential rotation of the floating crane rotating mechanism 10, and the purpose of locking the floating crane rotating mechanism is achieved, and the problem that gears engaged in the rotating gear box 14 are damaged due to relatively large shearing force when the suspension arm of the floating crane swings under force is effectively solved.
After stopping, the circumferential position of floating crane rotary mechanism 10 may have the deviation with the preset position, when its deviation with the preset position is in the allowed range, through the length of adjustment telescoping device 23, be about to insert wrench pin 234 to one of wrench hole 235 of locking section of thick bamboo 233, and make its circumference rotate 90, change the wrench hole 235 that wrench pin 234 wore through afterwards, change four wrench holes 235 in proper order and can make locking section of thick bamboo 233 along circumference rotation 360, this setting can effectively reduce staff's application of force distance, alleviates work load. Referring to fig. 13, fig. 13 is a schematic diagram illustrating a length adjustment process of two telescopic devices according to embodiment 2 of the present invention, in which a length of the locking shaft 232 penetrating from the locking cylinder 233 is increased by using the locking cylinder 233 and the two locking shafts 232 with opposite threads, so that a distance L1 between shaft holes 231 of the two locking shafts 232 of the same telescopic device 23 is increased to L1', thereby achieving a purpose of increasing the length of the telescopic device 23; similarly, the distance L2 between the shaft holes 231 of the two locking shafts 232 of the other telescoping device 23 can be reduced to L2' by rotating the locking cylinder 233 in the opposite direction, so as to reduce the length of the telescoping device 23. Through the arrangement, the length of the telescopic devices 23 on the two sides of the reinforcing rib plate 16 can be adjusted, the telescopic devices 23 on the two sides can be movably hinged with the first bearing seat, and the requirement on the stop position accuracy of the floating crane rotating mechanism is effectively reduced. And when the deviation between the circumferential position of the rotating mechanism after stopping and the preset position exceeds the adjusting range of the telescopic device, the floating crane rotating mechanism needs to be rotated again for correction.
When wind power and wind waves reach a certain degree, the suspension arm of the floating crane can be further lowered to a support bracket above a living area of the ship body, and the floating crane rotary mechanism can be protected to the greatest extent by matching with the locking device for the rotary mechanism.
According to the floating crane rotating mechanism disclosed by the embodiment 2 of the invention, by means of the arrangement of the locking device for the rotating mechanism, the floating crane rotating mechanism can be effectively locked, the problem that the gears are damaged due to mutual occlusion stress and the repair cost is caused is solved, the problems that in the prior art, when strong wind exists, a lower suspension arm is required to be protected and the suspension arm is required to be lifted for subsequent continuous use, the time and the oil consumption are caused are effectively solved, and the economic benefit is high; in addition, the whole weight of the locking device for the rotating mechanism is about 8kg, the locking operation can be carried out by one person, the operation is simple and convenient, and the consumed time is short.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a locking device for rotary mechanism, its rotary mechanism who is applied to floating crane which characterized in that: the rotating mechanism comprises a base and a rotating gear box rotatably mounted on the base, and a reinforcing rib plate is convexly arranged on the outer side surface of the rotating gear box; the locking device for the rotating mechanism comprises at least two locking assemblies, the two locking assemblies are respectively positioned on two sides of the reinforcing rib plate, each locking assembly comprises two shaft pins, two bearing seats and a telescopic device with adjustable length, the two bearing seats are respectively and fixedly arranged on the surface of one side of the reinforcing rib plate and the upper surface of the base, and each bearing seat is provided with a bearing hole; the two ends of the telescopic device are respectively provided with a shaft hole, and the two shaft pins are correspondingly movably arranged in the shaft holes and the bearing holes in a penetrating manner, so that the two ends of the telescopic device are respectively movably hinged with the two bearing seats.
2. The locking device for a rotary mechanism according to claim 1, characterized in that: the telescopic device comprises a locking shaft and a locking barrel; the locking shaft comprises a first locking shaft and a second locking shaft; one ends of the first locking shaft and the second locking shaft are both provided with the shaft holes along the radial direction, the other ends of the first locking shaft and the second locking shaft are both provided with external threads along the circumferential direction, and the directions of the external threads of the first locking shaft and the second locking shaft are opposite; and screw holes matched with the external threads of the first locking shaft and the second locking shaft are respectively arranged at two ends of the locking cylinder and are respectively in threaded connection with the first locking shaft and the second locking shaft.
3. The locking device for a rotary mechanism according to claim 2, wherein: the telescopic device further comprises a wrench pin, the locking cylinder is radially provided with a wrench hole, and the wrench pin is movably arranged in the wrench hole in a penetrating manner.
4. The locking device for a rotary mechanism according to claim 3, wherein: the number of the wrench holes is at least 3, the wrench holes are uniformly distributed along the circumferential direction of the locking cylinder and are positioned in the middle of the locking cylinder.
5. The locking device for a rotary mechanism according to claim 1, characterized in that: each bearing seat comprises two opposite bearing side plates, and the bearing side plates are fixedly arranged on the upper surface of the base or one side surface of the reinforcing rib plate along the vertical direction; the locking shaft is located two between the bearing side plate, and two the bearing side plate corresponds the position department in shaft hole runs through and forms the dead eye.
6. The locking device for a rotary mechanism according to claim 5, wherein: the shaft pin comprises a limiting end and a clamping end, a limiting part is convexly arranged on the surface of the outer side of the limiting end, and an annular groove is formed in the surface of the outer side of the clamping end along the circumferential direction; the outer diameter of the limiting part is larger than the inner diameter of the bearing hole; the bearing seat further comprises a safety plate, the outer diameter of the safety plate is larger than that of the bearing hole, the safety plate is provided with an open slot, and the safety plate is movably clamped in the annular groove.
7. The locking device for a rotary mechanism according to claim 5, wherein: the bearing seat further comprises a bearing rib plate, and two sides of the bearing rib plate are fixedly connected with the two bearing side plates respectively and fixedly connected with the upper surface of the machine base or the surface of one side of the reinforcing rib plate.
8. The locking device for a rotary mechanism according to claim 1, characterized in that: the reinforcing rib plate comprises two rib plate bodies which are arranged oppositely, and the rib plate bodies are arranged on the outer side surface of the rotary gear box along the vertical direction; the bearing seats of the two locking assemblies are respectively and fixedly arranged on the surface of one side of each of the two rib plate bodies, which is back to the back.
9. The locking device for a rotary mechanism according to claim 8, wherein: the reinforcing rib plate further comprises reinforcing rib columns, and two ends of each reinforcing rib column are respectively fixed to one side surface of the two rib plate bodies opposite to each other.
10. A floating crane rotating mechanism is characterized in that: comprising a base, a rotary gear box fixed on the base and a locking device for a rotary mechanism according to any one of claims 1 to 9; the floating crane rotating mechanism is provided with a working state and a locking state, when in the working state, the telescopic device is horizontally placed on the upper surface of the machine base, and one end of the telescopic device is movably hinged with the bearing seat on the upper surface of the machine base; when the locking mechanism is in the locking state, the telescopic device and the upper surface of the machine base form an acute angle, and two ends of the telescopic device are respectively movably hinged with the outer surface of the rotary gear box and the bearing seat on the upper surface of the machine base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998437.9A CN113896119A (en) | 2021-08-27 | 2021-08-27 | Locking device for rotating mechanism and floating crane rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998437.9A CN113896119A (en) | 2021-08-27 | 2021-08-27 | Locking device for rotating mechanism and floating crane rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113896119A true CN113896119A (en) | 2022-01-07 |
Family
ID=79187965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110998437.9A Pending CN113896119A (en) | 2021-08-27 | 2021-08-27 | Locking device for rotating mechanism and floating crane rotating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113896119A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751324A (en) * | 2022-06-15 | 2022-07-15 | 启东浪之源海洋技术服务有限公司 | Ocean loop wheel machine anchoring device and loop wheel machine |
-
2021
- 2021-08-27 CN CN202110998437.9A patent/CN113896119A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751324A (en) * | 2022-06-15 | 2022-07-15 | 启东浪之源海洋技术服务有限公司 | Ocean loop wheel machine anchoring device and loop wheel machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8757251B2 (en) | Multi-functional machine adaptable for drilling, boring and lifting | |
| JP2024515115A (en) | Automated safety securing system for container cranes in preparation for typhoons | |
| CN111155439A (en) | Prefabricated beam preassembling adjusting device and prefabricated beam preassembling adjusting process for building materials | |
| CN113896119A (en) | Locking device for rotating mechanism and floating crane rotating mechanism | |
| EP3828121B1 (en) | Crane and method for erecting a tower | |
| AU2018414992B2 (en) | Blade transport holder | |
| CN111362128B (en) | House building assembled I-beam lifting device | |
| CN113307138A (en) | Hoisting equipment for asymmetric steel plates | |
| CN115108477A (en) | Mast type crane | |
| CN113684933A (en) | Steel column butt joint support frame and steel column butt joint construction method | |
| CN113666244B (en) | Fan tower barrel hoisting tool and hoisting method | |
| CN220117036U (en) | Transportation equipment of aerial working platform | |
| CN214780209U (en) | Hoisting structure with adjustment function circles round | |
| CN216549312U (en) | Aerial work platform with lifting winch | |
| CN116571535B (en) | Pulling-resistant pile steel pipe fitting recycling device and method | |
| CN213771252U (en) | Building electrical construction lifting device | |
| CN218619996U (en) | Plain type glass lifts by crane instrument | |
| CN218344966U (en) | Automatic hoisting bolt locking device for segmental beam | |
| CN216740623U (en) | Split clamping plate assembly | |
| CN117188820B (en) | Construction method for installing protection overhanging platform on outer layer of building and hoisting system | |
| CN116239016B (en) | Heavy oil cylinder hoisting and overturning tool and method | |
| CN220432007U (en) | Adjustable device of hoisting equipment in limited space | |
| CN113307139A (en) | Hoisting equipment for special-shaped steel plate | |
| CN113979326B (en) | Cantilever crane | |
| CN219449045U (en) | Maintenance and displacement operation auxiliary device for large-sized loader bucket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |