CN114715787A - Crane with a movable crane - Google Patents
Crane with a movable crane Download PDFInfo
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- CN114715787A CN114715787A CN202210335035.5A CN202210335035A CN114715787A CN 114715787 A CN114715787 A CN 114715787A CN 202210335035 A CN202210335035 A CN 202210335035A CN 114715787 A CN114715787 A CN 114715787A
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- wire rope
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- reel
- crane
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7405—Capstans having two or more drums providing tractive force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7442—Capstans having a horizontal rotation axis
- B66D1/7447—Capstans having a horizontal rotation axis driven by motor only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7484—Details concerning gearing arrangements, e.g. multi-speed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The application discloses hoist includes: a crane body; the attitude adjusting device can be arranged on the crane body; the attitude adjusting device includes: the winding drum component is wound with a steel wire rope, and the steel wire rope is connected with a hanging object; and the driving assembly drives the winding drum assembly to rotate so as to collect/release the steel wire rope, and pulls the hoisted object through the steel wire rope collection/release so as to realize the posture adjustment of the hoisted object. According to the crane, the attitude adjusting device is mounted on the crane body, the attitude adjustment of the hoisted object can be realized through the attitude adjusting device, and the crane can independently complete the attitude adjustment of the hoisted object; manpower traction is not needed in the operation process, so that the labor cost of extra expenditure is reduced, and the safety performance of operation is enhanced; in addition, in the operation process, auxiliary vehicles or devices are not needed to control and adjust the posture of the hung object, the high requirement on the cooperative operation capacity of each operation vehicle and an operator is not needed, and the operation cost is further reduced.
Description
Technical Field
The application relates to the technical field of cranes, in particular to a crane for completing the posture adjustment of a hoisted object through independent mechanical operation.
Background
The main function of the hoisting machine is to hoist an article (a hoisted object) required for operation to a certain height and to hoist the article (the hoisted object) to a target position through actions such as rotation and amplitude variation. However, in some special scenarios, there are also high requirements on the posture of the hoisted object at a certain time, such as installation of wind turbine generator components, stacking of containers, and the like. For example, the current installation mode of the domestic fan assembly mainly comprises: after the crane lifts the component, the posture of the lifted object is controlled by manual traction to be installed; the common installation mode of the European fan assembly is as follows: one large-tonnage crane is used as a main crane, 1 to 2 small-tonnage cranes are used as auxiliary cranes to control the posture of the hoisted objects, and the synchronous operation is realized. For other working scenes with the requirement of controlling the attitude of the suspended object, the control is generally realized by manual traction or by an external traction device/vehicle. In the method, the posture of the hoisted object is controlled and adjusted in a manual traction mode, multiple persons are required to cooperate to operate, labor cost is required to be paid additionally, and human resources are wasted; meanwhile, the operation mode has great potential danger, and if the hanging object falls, the possibility of casualties is caused; in addition, the auxiliary vehicle or the auxiliary device is used for controlling and adjusting the posture of the suspended object, so that the requirement on the cooperative operation capability of each operation vehicle and an operator is high, and the cost is high.
Disclosure of Invention
In view of the above, the present application provides a crane.
In order to achieve the above purpose, the present application provides the following technical solutions:
a crane, comprising:
a crane body;
the attitude adjusting device can be arranged on the crane body; the posture adjustment device includes:
the winding drum component is wound with a steel wire rope, and the steel wire rope is connected with the hoisted object;
and the driving assembly drives the winding drum assembly to rotate so as to collect/release the steel wire rope, and the steel wire rope is collected/released to pull the hanging object so as to realize the posture adjustment of the hanging object.
Optionally, in the crane, the reel assembly includes: a first drum on which a first wire rope is wound; a second drum wound with a second wire rope; wherein the first reel and the second reel are coaxially arranged; the first steel wire rope is connected with one end of the hanging object, and the second steel wire rope is connected with the other end of the hanging object; the winding direction of the first steel wire rope is opposite to that of the second steel wire rope;
the same drive assembly drives the first reel and/or the second reel to rotate.
Optionally, in the crane, the reel assembly includes: a first drum on which a first wire rope is wound; a second steel wire rope is wound on the second winding drum; the first steel wire rope is connected with one end of the hanging object, and the second steel wire rope is connected with the other end of the hanging object;
the drive assembly includes: the first driving component drives the first reel to rotate; the second driving assembly drives the second winding drum to rotate; so as to respectively finish the folding/unfolding of the two ends of the hanging object.
Optionally, in the crane, the winding drum assembly includes a winding drum wound with a steel wire rope, and two ends of the steel wire rope are respectively connected to two ends of the hoisted object;
the drive assembly drives the reel to rotate.
Optionally, in the crane, the driving assembly includes:
a drive motor including an output shaft; .
A drive shaft axially disposed within the first and second spools; the driving shaft is in transmission connection with the output shaft;
a positioning member disposed on the driving shaft; or within the first and second spools; the positioning member connects the drive shaft to at least one of the first reel and the second reel in different states.
Optionally, in the crane, the attitude adjusting device further includes: a locking assembly; the locking assembly locks the first winding drum or the second winding drum which is not in transmission connection with the driving assembly.
Optionally, in the crane, the driving assembly further includes: selecting a component; the selection assembly drives the drive shaft to axially translate; the selection component comprises:
the output shaft of the servo motor is coaxially connected with a worm;
the gear is meshed with the worm;
the rack is meshed with the gear; the rack is fixedly connected with the driving shaft so as to realize that the selection assembly drives the driving shaft to axially translate.
Optionally, in the crane, the attitude adjusting device further includes: a locking assembly; the locking assembly includes:
a first stop member provided at an end of the first bobbin remote from the second bobbin;
a second stop member provided at an end of the second reel remote from the first reel;
the first and second stops adjust position with axial translation of the drive shaft to achieve:
when the positioning piece alone positions the first winding drum, the first stop piece unlocks the first winding drum, and the second stop piece locks the second winding drum;
when the positioning piece synchronously positions the first winding drum and the second winding drum, the first stop piece unlocks the first winding drum, and the second stop piece unlocks the second winding drum;
when the positioning piece is used for independently positioning the second winding drum, the first stop piece locks the first winding drum, and the second stop piece unlocks the second winding drum.
Optionally, in the crane, the attitude adjusting device further includes:
the first mounting plate is arranged at the end part of the first reel far away from the second reel;
the second mounting plate is arranged at the end part of the second winding drum far away from the first winding drum;
the first mounting plate and the second mounting plate are used for arranging the attitude adjusting device on the crane body.
Optionally, in the crane, the crane includes:
the guide wheel is arranged on a cargo boom of the crane body;
the first steel wire rope and the second steel wire rope respectively bypass the guide wheel to be connected with the hanging object.
The crane provided by the application is provided with a crane body, the crane body is provided with the attitude adjusting device, the reel assembly is driven to rotate by the driving assembly to take in/release the steel wire rope, the hoisted object is pulled by the take in/release of the steel wire rope, the attitude adjustment of the hoisted object can be realized, and further, the attitude adjustment of the hoisted object can be independently completed by one crane; the operation process does not need to be dragged by manpower, does not need to be operated by multiple persons, not only reduces the labor cost of extra expenditure, but also does not cause waste of human resources, simultaneously enhances the safety performance of the operation, and avoids the possibility of injury and death to operators when the hoisted object falls; in addition, in the operation process, the auxiliary vehicle or the device is not needed to control and adjust the posture of the suspended object, the high requirement on the cooperative operation capacity of each operation vehicle and an operator is not needed, and the operation cost is further reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an isometric view of the present application;
FIG. 2 is a cross-sectional view of the present application;
fig. 3 is a front view of the present application.
In fig. 1-3:
1-first spool, 2-second spool, 3-output shaft, 4-drive shaft, 5-select assembly, 6-first stop, 7-second stop; 8-a first mounting plate, 9-a second mounting plate, 10-a first side sealing plate and 11-a second side sealing plate;
51-servo motor, 52-gear, 53-rack, 54-fixed support, 61-push plate, 62-lock pin, 63-lock plate, 64-lock rod, 65-spring.
Detailed Description
The present application provides a crane.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As illustrated in fig. 1-3, the present application provides a crane including a crane body and an attitude adjustment device. The attitude adjusting device can be an independent device and is fixedly arranged on the crane body when the attitude of the hoisted object needs to be adjusted according to the requirements of customers; after the hanging object posture is adjusted, the posture adjusting device can be detached; wherein carry out general type design with gesture adjusting device and hoist auxiliary winding device, consequently can install with the help of portable auxiliary winding device's installation interface, assemble convenient quick. Or when the posture adjusting device does not affect other operation situations of the crane, the posture adjusting device can be set as an internal structure of the crane and is always arranged on the crane body.
The installation position and the interface of the attitude adjusting device include but are not limited to the arm end of each arm section of a crane arm at the auxiliary hoisting position of the crane.
The crane body and the attitude adjusting device are combined for use, and the attitude adjustment of the hoisted object can be realized only by matching the attitude adjusting device with the crane body, so that the attitude adjustment of the hoisted object can be independently completed by one crane; the operation process does not need to be dragged by manpower, does not need to be operated by multiple persons, not only reduces the labor cost of extra expenditure, but also does not cause waste of human resources, simultaneously enhances the safety performance of the operation, and avoids the possibility of injury and death to operators when the hoisted object falls; in addition, in the operation process, the auxiliary vehicle or the device is not needed to control and adjust the posture of the suspended object, the high requirement on the cooperative operation capacity of each operation vehicle and an operator is not needed, and the operation cost is further reduced.
Further, the posture adjustment device includes: a reel assembly and a drive assembly; a steel wire rope is wound on the winding drum component and connected with a hanging object; the drive assembly drives the reel assembly to rotate.
When the crane adjusts the posture of the hanging object, the hanging object is hung at the arm end of the main arm section of the crane arm by the steel wire rope; the steel wire rope wound on the winding drum component is connected to the hanging object, so that the hanging object has different stress connection points at different positions; then the driving component drives the winding drum component to rotate, and the steel wire rope is wound/unwound along with the forward rotation/reverse rotation of the winding drum component; along with the retraction/release degree of the steel wire ropes at different stress connection points, the lifting/pulling-down operation of different stress connection points of the hanging object is realized. The lifting/pulling-down degree of each stress point of the hoisted object can be accurately controlled, and further the posture of the hoisted object is kept under the required operation condition. The device is simple, easy to produce and install, the adjustment of the hanging object posture is more flexible and accurate, auxiliary manpower or multiple devices do not need to operate in coordination, and the adjustment of the hanging object posture can be realized only by using one crane.
It should be noted that, besides the structure that the winding/unwinding of the steel wire rope drives the drum assembly to rotate through the driving assembly, the steel wire rope can also be arranged in other structures, for example: the end, far away from the hanging object, of each steel wire rope is connected to the rack transmission mechanism, and the lifting/pulling operation of different steel wire ropes on different stress points of the hanging object can be achieved through the linear reciprocating motion of the rack transmission mechanism, so that the posture of the hanging object is kept under the required operation condition.
First embodiment
The posture adjustment device includes: a reel assembly and a drive assembly; the winding drum assembly comprises a first winding drum 1 and a second winding drum 2 which are coaxially arranged side by side; a first steel wire rope is wound on the first winding drum 1 and is provided with a free end, and the free end of the first steel wire rope is connected to one end of a hanging object; a second steel wire rope is wound on the second winding drum 2 and is provided with a free end, and the free end of the second steel wire rope is connected to the other end of the hoisted object; the first steel wire rope and the second steel wire rope rotate in opposite directions; the driving component drives the first winding drum 1 to rotate, or the driving component 2 drives the second winding drum to rotate, or the same driving component synchronously drives the first winding drum 1 and the second winding drum 2 to rotate.
When the crane adjusts the posture of the hanging object, the first steel wire rope and the second steel wire rope of the winding drum component are respectively connected to two ends of the hanging object, so that the hanging object is provided with a first stress connecting point and a second stress connecting point at two positions, and the hanging object is hung at the arm end of the main arm section. The first steel wire rope and the second steel wire rope are wound in opposite directions, so that when the same driving assembly synchronously drives the first winding drum 1 and the second winding drum 2, the second steel wire rope can be released when the first steel wire rope is received, and then the first stress connection point of a hanging object is lifted up and the second stress connection point is pulled down synchronously; or the second steel wire rope is retracted when the first steel wire rope is released, so that the first stress connecting point of the hanging object is synchronously pulled down, the second stress connecting point is lifted up, and the hanging object is lifted up and pulled down in the opposite direction of the two stress connecting points, so that the posture of the hanging object is synchronously adjusted.
When the length of the first steel wire rope needs to be adjusted or the first steel wire rope is pre-tightened, the driving motor independently drives the first reel to rotate; when the length of the second steel wire rope needs to be adjusted or the second steel wire rope is pre-tightened, the driving motor drives the second winding drum to rotate independently.
The first steel wire rope and the second steel wire rope are wound on the first winding drum 1 and the second winding drum 2 respectively in the winding mode in the opposite direction innovatively, synchronous rotation of the first winding drum 1 and the second winding drum 2 is achieved under synchronous driving of one driving assembly, reverse winding and unwinding of the first steel wire rope and the second steel wire rope are achieved, reverse dragging of a hung object at two stress connection points is achieved, and posture adjustment of the hung object is achieved. The steel wire rope tension adjusting device is simple in structure, ingenious in design, simple in layout, convenient to produce, install and use, and flexible and reliable in working state change adjustment.
In certain embodiments of the present application, a drive assembly comprises: a drive motor, a drive shaft 4 and a positioning member; the drive motor comprises an output shaft 3; the output shaft 3 is in transmission connection with the driving shaft 4 so as to realize that the driving motor drives the driving shaft 4 to synchronously rotate; the drive shaft 4 is axially arranged in the center of the first reel 1 and the second reel 2; the positioning piece is arranged on the driving shaft 4; clamping structures matched with the positioning pieces are arranged in the first winding drum 1 and the second winding drum 2. Axial translation through drive shaft 4 just can drive the setting element and alternate the position in first reel 1 and second reel 2, and then match the setting element in the joint structure that corresponds the reel, and then realized that the setting element is connected drive shaft 4 and first reel 1 under different position states, or drive shaft 4 and first reel 1 and 2 synchronous connections of second reel, or drive shaft 4 is connected with second reel 2.
In some embodiments of the present application, the positioning members are respectively disposed in the first reel 1 and the second reel 2; the driving shaft 4 is provided with a clamping structure matched with the positioning piece. Axial translation through drive shaft 4 just can drive the joint structure alternate position in first reel 1 and second reel 2, and then matees the joint structure in the setting element that corresponds the reel, and then has realized the setting element and has connected drive shaft 4 and first reel 1 under different states, or drive shaft 4 and first reel 1 and 2 synchronous connections of second reel, or drive shaft 4 is connected with second reel 2.
Preferably, the positioning piece is a circumferential synchronous connecting piece which is a spline.
Preferably, splines are provided on the drive shaft 4; key groove structures matched with the splines are arranged at the axial centers of the first winding drum 1 and the second winding drum 2; select subassembly 5 can drive 4 axial translations of drive shaft, and then drive the spline and at the axial translation in the keyway, realized the spline and axially shifted the position in the keyway, and then realized:
the spline is positioned in the first reel 1, and the driving shaft 4 is separately positioned with the first reel 1; the driving motor drives the first winding drum 1 to rotate independently;
or the like, or, alternatively,
one half of the spline is positioned in the first winding drum, the other half of the spline is positioned in the second winding drum, the driving shaft 4 is synchronously positioned with the first winding drum 1 and the second winding drum 2, and the output shaft 3 drives the first winding drum 1 and the second winding drum 2 to synchronously rotate;
or the like, or, alternatively,
the splines are located in the second reel 2, the drive shaft 4 is separately located with the second reel 2, and the drive motor drives the second reel 2 to rotate separately.
Further, the radial dimension of the splines is greater than the radial dimension of the drive shaft 4, and the axial length of the splines is less than the axial length of the first and second reels 1, 2.
The first reel 1 is set to the right of the second reel 2. The drive shaft has 3 positions on the axis: right, middle, left, respectively, for positioning the first reel 1, synchronously positioning the first reel 1 and the second reel 2, and positioning the second reel 2. The driving assembly is simple in structure, and can quickly and conveniently realize the conversion of the positioning states of different winding drums. Especially, the structure of circumferential synchronous connection of different winding drums through the spline is very simple, the production and the installation are convenient, and the processing and manufacturing cost is saved.
It should be noted that, in addition to the above structure, the driving assembly may also be provided with other structures, for example: the drive assembly includes: a drive motor, a drive shaft and a positioning member; the drive motor includes an output shaft; the positioning piece comprises a first positioning piece and a second positioning piece; the first positioning piece is a first lock pin, and the second positioning piece is a second lock pin; a first pin hole is formed in the inner wall of the first winding drum 1, a second pin hole is formed in the inner wall of the second winding drum 2, a first electromagnetic induction piece is arranged in the first pin hole, and a second electromagnetic induction piece is arranged in the second pin hole; the first lock pin and the second lock pin are respectively arranged on the driving shaft 4 in a telescopic mode, and both the first lock pin and the second lock pin are electromagnetic induction pieces; the first lock pin is opposite to the first pin hole, and the second lock pin is opposite to the second pin hole.
When the first winding drum 1 needs to work, the electromagnetic induction part and the first lock pin in the first pin hole are charged, the first lock pin is locked in the first pin hole, the driving shaft 4 is independently positioned with the first winding drum 1, and the driving motor drives the first winding drum 1 to independently rotate;
when the first winding drum 1 and the second winding drum 2 need to work synchronously, the electromagnetic induction parts in the first pin hole and the second pin hole, the first lock pin and the second lock pin are charged simultaneously, the first lock pin is locked in the first pin hole synchronously, and the second lock pin is locked in the second pin hole; the driving shaft 4 is synchronously positioned with the first winding drum 1 and the second winding drum 2, and the driving motor drives the first winding drum 1 and the second winding drum 2 to synchronously rotate;
when second reel 2 during operation is required, charge for electromagnetic induction spare and second lockpin in the second pinhole, and then with second lockpin locking in the second pinhole, drive shaft 4 is alone fixed a position with second reel 2, and driving motor drive second reel 2 is alone rotatory.
In some embodiments of the present application, the posture adjustment apparatus further includes: a locking assembly; the locking assembly locks the first winding drum 1 or the second winding drum 2 which is not in transmission connection with the driving assembly.
Specifically, the locking assembly includes: a first stopper 6 and a second stopper 7; the first stop 6 is arranged at the end of the first reel 1 remote from the second reel 2; the second stop 7 is arranged at the end of the second reel 2 remote from the first reel 1; the first stop 6 and the second stop 7 adjust the position with the axial translation of the drive shaft 4 to achieve:
when the spline alone positions the first reel 1, the first stop 6 unlocks the first reel 1 and the second stop 7 locks the second reel 2; at the moment, the driving motor drives the first reel 1 to rotate independently, the second reel is in a locking state, and the locked second reel 2 cannot rotate uncontrollably due to the self weight of the extending second steel wire rope;
when the spline synchronously positions the first winding drum 1 and the second winding drum 2, the first stop piece 6 unlocks the first winding drum 1, and the second stop piece 7 unlocks the second winding drum 2; the driving motor synchronously drives the first winding drum 1 and the second winding drum 2 to flexibly rotate at the moment.
When the spline alone positions the second spool 2, the first stop 6 locks the first spool 1 and the second stop 7 unlocks the second spool 2; at this time, the driving motor drives the second reel 2 to rotate independently, the first reel is in a locking state, and the locked first reel 1 cannot rotate uncontrollably due to the self weight of the extended first steel wire rope.
The coupling and decoupling of the movement of the two drums can be realized through the first stop piece 6 and the second stop piece 7, the two drums of the posture adjusting device are guaranteed to rotate only when in a required working state, the displacement error of the steel wire rope is reduced, and the flexible and accurate adjustment of the posture of a hanging object is guaranteed.
In some embodiments of the present application, the attitude adjustment apparatus further includes a selection component 5; the selection component 5 comprises: a servo motor 51, a gear 52, a rack 53 and a fixed bracket 54;
the output shaft of the servo motor 51 is coaxially connected with a worm, and the servo motor 51 is fixed at the end part of the first winding drum 1 far away from the second winding drum 2;
the fixed bracket 54 comprises an L-shaped bracket and a horizontal U-shaped plate; the horizontal plate of the L-shaped bracket is arranged on the outer side wall of the servo motor 51; a vertical plate of the L-shaped bracket is provided with a limiting mounting hole; the horizontal U-shaped plate is fixedly connected to the L-shaped bracket, and a horizontal central shaft of the horizontal U-shaped plate is parallel to an output shaft of the servo motor 51;
the gear 52 is rotationally connected in the horizontal U-shaped plate, and the gear 21 is meshed with the worm;
one end of the rack 53 is fixedly connected with the end part of the driving shaft 4, and the other end penetrates through the limiting mounting hole to be meshed with the gear 52.
The output shaft of the servo motor 51 rotates to drive the worm to synchronously rotate; the worm rotates to drive the gear 52 to rotate synchronously, the gear 52 rotates to drive the rack 53 to linearly reciprocate along the axis direction of the driving shaft 4, the rack 53 linearly reciprocates to drive the driving shaft 4 to axially linearly reciprocate, and then the spline is used for positioning the first winding drum 1 and/or the second winding drum 2.
The linear reciprocating motion of the drive shaft 4 is realized by the forward/reverse rotation of the servo motor 51.
The selecting assembly with the structure has a simple and compact structure and is convenient to produce and install; and the gear and the rack are meshed for transmission to drive the driving shaft 4 to move in an axial translation mode more stably and reliably.
It should be noted that, in addition to the above structure, the arrangement of the selecting component may also be an arrangement of other structures, for example: the selection component comprises: a support frame and a telescopic oil cylinder; the support frame is arranged at the end part of the first winding drum 1 far away from the second winding drum 2; the telescopic oil cylinder is arranged on the support frame, and the central shaft of the telescopic rod of the telescopic oil cylinder is coaxial with the driving shaft 4; the driving shaft 4 is driven to axially and linearly reciprocate by moving the telescopic rod of the telescopic oil cylinder, and then the spline is used for positioning the first winding drum 1 and/or the second winding drum 2.
In some embodiments of the present application, the first stop 6 and the second stop 7 are identical in structure; the first stopper 6 includes: push plate 61, lock pin 62, lock plate 63, lock lever 64, and spring 65;
the push plate 61 is fixedly connected to the driving shaft 4; further, the push plate is a drive shaft tail end sealing cover which is arranged at the end part of the drive shaft 4;
the lock pin 62 is movably sleeved on the driving shaft 4; further, the lock pin 62 is a spline lock pin;
the locking plate 63 is fixedly connected to the locking pin 62, an extending part extends in the radial direction of the locking plate 63, and a limiting hole is formed in the extending part;
one end of the locking rod 64 is fixedly connected to the end part of the first winding drum 1 far away from the second winding drum 2, and the other end of the locking rod can penetrate into the limiting hole in a limiting mode;
the spring 65 is sleeved on the locking rod 64; one end of the spring 65 is fixedly connected to the end of the first reel 1 and the other end can be compressed by the locking plate 63.
The first reel 1 is set to the right of the second reel 2.
When the splines position the first spool 1 and the second spool 2, the lock pin 62 of the first stop 6 is located outside the first spool 1; while the latch of the second stop 7 is located outside the second reel 2.
When the spline moves to position the second winding drum 2, the rack 53 moves leftwards under the driving of the servo motor 51; under the pushing of the rack 53, the driving shaft 4 drives the spline to move leftwards; meanwhile, the driving shaft 4 moves leftwards to drive the sealing cover at the tail end of the driving shaft to synchronously move leftwards until the sealing cover at the tail end of the driving shaft is abutted against the locking plate 63; the driving shaft 4 continues to move leftwards, and the locking plate 63 drives the spline lock pin to gradually enter the first reel under the pushing of the sealing cover at the tail end of the driving shaft; at this time, the locking rod 64 enters the limiting hole of the locking plate 63, under the limiting action of the locking rod 64 and the locking plate 63, the spline lock pin cannot rotate in the circumferential direction, and meanwhile, the locking plate 63 compresses the spring 65; the drive shaft 4 continues to move leftwards until the splines are completely disengaged from the first reel 1 and completely enter the keyways of the second reel 2; at this time, the spline lock pin completely enters the key groove of the first reel 1, the positioning of the drive shaft 4 to the second reel 2 is completed, and the spline lock pin locks the first reel 1 circumferentially, in which state the drive motor alone drives the second reel 2 to rotate, but the first reel 1 cannot rotate.
When the spline moves to position the first winding drum 1, the rack 53 moves to the right under the driving of the servo motor 51; under the push of the rack 53, the driving shaft 4 drives the spline to move rightwards; meanwhile, the driving shaft 4 moves rightwards, the driving shaft tail end sealing cover moves rightwards synchronously, the driving shaft tail end sealing cover is separated from and abutted against the locking plate 63 gradually, the locking rod 64 is separated from a limiting hole of the locking plate 63 gradually, and meanwhile, the locking plate 63 is separated from the compression spring 65 gradually; the driving shaft 4 continues to move rightwards until the splines are separated from the second winding drum 2 and completely enter the key grooves of the first winding drum 1, at this time, the spline lock pins are completely separated from the first winding drum 1 under the elastic action of the spring 65, and therefore the positioning of the driving shaft 4 on the first winding drum 2 and the unlocking of the spline lock pins on the first winding drum 1 are completed, and in this state, the driving motor independently drives the first winding drum 1 to rotate freely.
The first stop piece 6 and the second stop piece 7 are simple in structure and convenient to produce and mount; and under the drive of the servo motor 51, the locking of another winding drum is completed while the splined driving shaft 4 is used for positioning different winding drums, so that the accurate and reliable operation of the posture adjusting device under different working states is ensured.
It should be noted that, besides the above structure, the first stop member and the second stop member may be provided in other structures, and the movement of the stop members does not change the working state by means of the axial movement of the driving shaft 4, but two sets of electric locking structures working independently are provided; for example: the first stop piece is a first stop rack; a first fluted disc is arranged in the circumferential direction of the first winding drum; the first stopping rack is driven to be close to or far away from the first fluted disc, so that the first winding drum is locked or unlocked;
the second stopping piece is a second stopping rack; a second fluted disc is arranged in the circumferential direction of the second winding drum; the second stopping rack is driven to be close to or far away from the second fluted disc, so that the second winding drum is locked or unlocked.
In some embodiments of the present application, the posture adjustment apparatus further includes: a first mounting plate 8 and a second mounting plate 9; the first mounting plate 8 is arranged at the end of the first reel 1 remote from the second reel 2; the second mounting plate 9 is arranged at the end of the second reel 2 far away from the first reel 1; the first mounting plate 8 and the second mounting plate 9 set the attitude adjusting device on the crane body. The mounting plate is simple in structure, and quick assembly and disassembly of the attitude adjusting device on the crane body are achieved.
It should be noted that through holes are respectively formed in the first mounting plate 8 and the second mounting plate 9, so as to provide a movement space for the axial reciprocating linear motion of the selecting assembly 5 and the locking assembly.
Further, a first side sealing plate 10 is covered and sealed on the outer side of the first mounting plate 8; the first side sealing plate 10 is provided with an opening, and the shape of the opening is matched with that of the spline lock pin; the outer side of the second mounting plate 9 is covered with a second side sealing plate 11, and the second side sealing plate 11 is provided with an opening, and the shape of the opening is matched with that of the spline lock pin. Through being provided with first side shrouding 10 and having second side shrouding 11 can guarantee the leakproofness of posture adjustment device inner space, prevent that outside debris from getting into the inside keyway of reel, influence the cooperation precision of the spline on the drive shaft 4 and first reel 1 and the 2 keyways of second reel, protected inner structure, prolonged the life of equipment greatly.
In certain embodiments of the present application, the output shaft 3 is in axial splined engagement with the drive shaft 4. An output shaft spline is arranged on the output shaft 3, and a spline groove matched with the output shaft spline is arranged on the driving shaft 4. The structure is simple, production and installation are convenient, the driving shaft 4 is always in spline fit with the output shaft 3 in the process of axial reciprocating linear motion of the driving shaft 4, the driving shaft 4 and the output shaft 3 are guaranteed to have axial freedom, and locking is kept in the circumferential direction.
In certain embodiments of the present application, a crane, comprises: the guide wheels are provided with a plurality of guide wheels and are respectively arranged on the arm body and the arm end of the cargo boom of the crane body; the first steel wire rope and the second steel wire rope respectively wind around the guide wheel to be connected with the hanging object.
Wherein: the main arm section with the adaptive height is selected according to the height of the lifted object during the posture adjustment, and the traction directions of the first steel wire rope and the second steel wire rope are controlled and changed through guide wheels arranged on the arm body of the main arm section and the arm end of the main arm section so as to realize the posture adjustment of the lifted object.
The hanging object attitude control method comprises the following steps:
s1: fixing the posture adjusting device with the crane body;
s2: winding the first steel wire rope on a first winding drum 1, and winding the second steel wire rope on a second winding drum 2; the winding directions of the first steel wire rope and the second steel wire rope are opposite;
s3: selecting a main arm section corresponding to the height according to the height of the hanging object during the posture adjustment, and respectively arranging a plurality of guide wheels on the arm body or the arm end of the main arm section;
s4: the free end of the first steel wire rope is wound around the guide wheel and is connected with one end of the hanging object; the free end of the second steel wire rope penetrates through the guide wheel and is connected with the other end of the hanging object;
s5: the first winding drum 1 and the second winding drum 2 are synchronously driven through the driving assembly to reversely rotate the first steel wire rope and the second steel wire rope, the reverse stretching of two ends of a hung object is completed through the reverse rotation of the first steel wire rope and the second steel wire rope, and the posture adjustment of the hung object is completed.
When the posture of the suspended object is adjusted: the splines on the drive shaft 4 are located in the center of the first spool 1 and the second spool 2, and at this time, half of the splines on the drive shaft are connected and positioned with the first spool 1, and the other half are connected and positioned with the second spool 2. The left end of the driving shaft 4 is connected with the output shaft 3 of the driving motor through a spline (can move relatively along the axial direction), the first winding drum 1 and the second winding drum 2 can be driven to synchronously rotate in the same direction (movement coupling) through the power input of the driving motor, and the synchronous reverse winding/unwinding actions of the two traction steel wire ropes can be realized due to the fact that the winding directions of the steel wire ropes on the first winding drum 1 and the second winding drum 2 are opposite, and then the control of the hanging posture is realized.
Adjusting the length of the second steel wire rope, or pre-tightening the second steel wire rope: take the adjustment of the length of the second steel cord as an example (the same applies to the adjustment of the first steel cord): the servo motor 51 realizes the change and the deceleration of the rotating direction through the worm and the gear 52; the rack 53 is then driven by the gear 52 to perform an axial translation (leftward movement), and this translation is then transmitted to the drive shaft 4 by means of the push plate 61 at the right end of the splined drive shaft 4, so that the drive shaft 4 is moved leftward. In the process, the spline part on the driving shaft 4 is gradually moved to the left from the connection state of the two halves of the spline part on the two sides and the keyways of the first winding drum 1 and the second winding drum 2 to the state of being separated from the first winding drum 1 and completely entering the second winding drum 2, so that the driving motor can drive the second winding drum 2 independently to adjust the length of the second steel wire rope. In this process, when the right portion of the spline on the driving shaft 4 has not been disengaged from the first reel 1, the push plate 61 installed at the right end thereof is synchronously moved rightward and brought into contact with the push plate 61 as the driving shaft 4 moves leftward, and the push plate 61 is forced to move leftward along the locking bar 64 and the driving shaft 4, thereby driving the locking pin 62, which is bolted thereto, leftward to be gradually inserted into the key groove of the first reel 1, thereby locking the first reel 1. Until the splined portion of the drive shaft 4 is completely disengaged from the first reel 1 and completely enters the second reel 2, at which point the locking pin 62 has been fully inserted into the first reel 1 locking it. So far, the mechanism has realized the motion decoupling zero to first reel 1 and second reel 2, and the drive motor can drive second reel 2 alone this moment, and the first reel 1 that is locked can not rotate because of the dead weight of the first wire rope that stretches out and uncontrolled yet.
Second embodiment
The posture adjustment device includes: a reel assembly and a drive assembly; the winding drum assembly comprises a first winding drum and a second winding drum which are independently arranged; the driving assembly comprises a first driving assembly and a second driving assembly which are independently arranged; a first steel wire rope is wound on the first winding drum and provided with a free end, and the free end of the first steel wire rope is connected to one end of the hanging object; a second steel wire rope is wound on the second winding drum and provided with a free end, and the free end of the second steel wire rope is connected to the other end of the hoisted object; the first driving assembly independently drives the first winding drum to rotate, and the second driving assembly independently drives the second winding drum to rotate.
When the crane adjusts the posture of the hoisted object, a first steel wire rope and a second steel wire rope of the winding drum assembly are respectively connected to two ends of the hoisted object, so that the hoisted object is respectively provided with a first stress connection point and a second stress connection point at two positions; the lifting object is hung at the arm end of the main arm section. The first driving assembly and the second driving assembly work independently, the first winding drum is driven by the first driving assembly to rotate to drive the winding and unwinding actions of the steel wire rope to be opposite to the winding and unwinding actions of the second winding drum is driven by the second driving assembly to rotate to drive the steel wire rope to be wound and unwound, so that the first stress connection point of the hanging object is lifted up/down, the second stress connection point is lifted up/down, and the posture of the hanging object is adjusted by reversely pulling the hanging object.
Wherein, drive motor is all selected for use to first drive assembly and second drive assembly.
Through setting up two drive assembly, the rotation of first reel and second reel is driven alone, and work between two drive assembly does not influence each other, and power response is quick, and single work can not disturbed.
Third embodiment
The posture adjustment device includes: a reel assembly and a drive assembly; the winding drum component is an independent winding drum, and the driving component is an independent driving motor; the steel wire rope is wound on the winding drum and is provided with a first free end and a second free end; two free ends of the steel wire rope are respectively connected with two ends of the hanging object; the driving motor drives the winding drum to rotate.
When the crane adjusts the posture of the hanging object, the two free ends of the steel wire rope are respectively connected with the two ends of the hanging object, so that the hanging object is respectively provided with a first stress connecting point and a second stress connecting point at two positions, and the hanging object is hung at the arm end of the main arm section. When the driving motor drives the winding drum to rotate, the first free end and the second free end of the steel wire rope are necessarily reversely wound and unwound, so that the first stress connecting point of the hanging object is lifted up/down, and the second stress connecting point is lifted up/down, so that the hanging object is reversely pulled to adjust the posture of the hanging object.
Wherein the drum may be replaced with a pulley.
The use of only one drum or pulley simplifies the structural composition of the device, is more lightweight, and can be preferably mounted directly to the arm end of the arm section of the main arm at a corresponding height, eliminating a guide pulley and shortening the length of the required wire rope.
The components, devices referred to in this application are meant as illustrative examples only and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the drawings. These components, devices may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should also be noted that in the apparatus of the present application, the components may be disassembled and/or reassembled. These decompositions and/or recombinations are to be considered as equivalents of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.
Claims (10)
1. A crane, comprising:
a crane body;
an attitude adjusting device mountable on the crane body; the posture adjustment device includes:
the winding drum component is wound with a steel wire rope, and the steel wire rope is connected with the hoisted object;
and the driving assembly drives the winding drum assembly to rotate so as to collect/release the steel wire rope, and the steel wire rope is collected/released to pull the hanging object so as to realize the posture adjustment of the hanging object.
2. A crane according to claim 1,
the spool assembly includes: a first drum on which a first wire rope is wound; a second drum wound with a second wire rope; wherein the first reel and the second reel are coaxially arranged; the first steel wire rope is connected with one end of the hanging object, and the second steel wire rope is connected with the other end of the hanging object; the winding direction of the first steel wire rope is opposite to that of the second steel wire rope;
the same drive assembly drives the first reel and/or the second reel to rotate.
3. A crane according to claim 1,
the spool assembly includes: a first drum on which a first wire rope is wound; a second steel wire rope is wound on the second winding drum; the first steel wire rope is connected with one end of the hanging object, and the second steel wire rope is connected with the other end of the hanging object;
the drive assembly includes: the first driving assembly drives the first reel to rotate; the second driving component drives the second winding drum to rotate; so as to respectively finish the collection/release of the two ends of the hanging object.
4. A crane according to claim 1,
the winding drum component comprises a winding drum wound with a steel wire rope, and two ends of the steel wire rope are respectively connected with two ends of the hoisted object;
the drive assembly drives the reel to rotate.
5. The crane of claim 2, wherein the drive assembly comprises:
a drive motor including an output shaft;
a drive shaft axially disposed within the first and second spools; the driving shaft is in transmission connection with the output shaft;
a positioning member disposed on the driving shaft; or within the first and second spools; the positioning member connects the drive shaft to at least one of the first reel and the second reel in different states.
6. The crane according to claim 2, wherein the attitude adjusting device further comprises: a locking assembly; the locking assembly locks the first winding drum or the second winding drum which is not in transmission connection with the driving assembly.
7. The crane of claim 5, wherein the drive assembly further comprises: selecting a component; the selection assembly drives the drive shaft to axially translate; the selection component comprises:
the output shaft of the servo motor is coaxially connected with a worm;
the gear is meshed with the worm;
the rack is meshed with the gear; the rack is fixedly connected with the driving shaft so as to realize that the selection assembly drives the driving shaft to axially translate.
8. The crane according to claim 6, wherein the attitude adjusting device further comprises: a locking assembly; the locking assembly includes:
a first stop member provided at an end of the first bobbin remote from the second bobbin;
a second stop member provided at an end of the second reel remote from the first reel;
the first and second stops adjust position with axial translation of the drive shaft to achieve:
when the positioning piece is used for positioning the first winding drum independently, the first stop piece unlocks the first winding drum, and the second stop piece locks the second winding drum;
when the positioning piece synchronously positions the first winding drum and the second winding drum, the first stop piece unlocks the first winding drum, and the second stop piece unlocks the second winding drum;
when the positioning piece is used for independently positioning the second winding drum, the first stop piece locks the first winding drum, and the second stop piece unlocks the second winding drum.
9. The crane according to claim 2, wherein the attitude adjusting device further comprises:
the first mounting plate is arranged at the end part of the first reel far away from the second reel;
the second mounting plate is arranged at the end part of the second winding drum far away from the first winding drum;
the first mounting plate and the second mounting plate are used for arranging the attitude adjusting device on the crane body.
10. A crane as claimed in any one of claims 5 to 9, comprising:
the guide wheel is arranged on a cargo boom of the crane body;
the first steel wire rope and the second steel wire rope respectively bypass the guide wheel to be connected with the hanging object.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335035.5A CN114715787A (en) | 2022-03-31 | 2022-03-31 | Crane with a movable crane |
| PCT/CN2022/103123 WO2023184765A1 (en) | 2022-03-31 | 2022-06-30 | Crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335035.5A CN114715787A (en) | 2022-03-31 | 2022-03-31 | Crane with a movable crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114715787A true CN114715787A (en) | 2022-07-08 |
Family
ID=82242594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210335035.5A Pending CN114715787A (en) | 2022-03-31 | 2022-03-31 | Crane with a movable crane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114715787A (en) |
| WO (1) | WO2023184765A1 (en) |
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| JPH0724879U (en) * | 1993-10-14 | 1995-05-12 | コベルコ建機エンジニアリング株式会社 | Winch device |
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| CN208532079U (en) * | 2018-07-06 | 2019-02-22 | 安徽庞源机械工程有限公司 | A kind of speed change lifting device for building |
| CN112645225A (en) * | 2020-12-08 | 2021-04-13 | 南京中船绿洲机器有限公司 | Hammer winch for large-scale piling ship |
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| JPH0346997A (en) * | 1989-07-13 | 1991-02-28 | Toshiba Corp | Hoisting device |
| CN105060150B (en) * | 2015-07-17 | 2017-07-18 | 中联重科股份有限公司 | The lifting mechanism of roll device and crane |
| CN110805627B (en) * | 2019-10-25 | 2020-10-27 | 长沙知勤达知识产权代理有限公司 | Clutch switching device |
| CN111302224B (en) * | 2020-03-09 | 2021-10-29 | 上海电气风电集团股份有限公司 | Wind power generation blade rotating device |
| CN214935608U (en) * | 2021-03-05 | 2021-11-30 | 徐州川一工程机械有限公司 | Band-type brake mechanism and winch applying same |
| CN215160372U (en) * | 2021-03-31 | 2021-12-14 | 成都赤晓彩钢房屋有限公司 | Automatic adjusting device for gravity center posture of component hoisted by prefabricated component |
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2022
- 2022-03-31 CN CN202210335035.5A patent/CN114715787A/en active Pending
- 2022-06-30 WO PCT/CN2022/103123 patent/WO2023184765A1/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0724879U (en) * | 1993-10-14 | 1995-05-12 | コベルコ建機エンジニアリング株式会社 | Winch device |
| CN201301192Y (en) * | 2008-12-02 | 2009-09-02 | 大庆格瑞特机械制造有限公司 | Double-roller well testing winch |
| WO2012000005A1 (en) * | 2010-06-29 | 2012-01-05 | Waagner-Biro Austria Stage Systems Ag | Method and device for raising and lowering and for swiveling an object |
| CN104555776A (en) * | 2014-12-29 | 2015-04-29 | 中联重科股份有限公司 | Windlass mechanism for engineering machinery and engineering machinery |
| CN208532079U (en) * | 2018-07-06 | 2019-02-22 | 安徽庞源机械工程有限公司 | A kind of speed change lifting device for building |
| CN112645225A (en) * | 2020-12-08 | 2021-04-13 | 南京中船绿洲机器有限公司 | Hammer winch for large-scale piling ship |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023184765A1 (en) | 2023-10-05 |
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Application publication date: 20220708 |