CN109969950B - Lifting mechanism with fully-movable driving device and application - Google Patents
Lifting mechanism with fully-movable driving device and application Download PDFInfo
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- CN109969950B CN109969950B CN201910356934.1A CN201910356934A CN109969950B CN 109969950 B CN109969950 B CN 109969950B CN 201910356934 A CN201910356934 A CN 201910356934A CN 109969950 B CN109969950 B CN 109969950B
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- Prior art keywords
- pulley
- bridge
- lifting
- winding drum
- bypasses
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/04—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks
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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
- B66D1/20—Chain, belt, or friction drives, e.g. incorporating sheaves of fixed or variable ratio
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a lifting mechanism with a fully-movable driving device and an application thereof, wherein the lifting mechanism comprises a lifting control mechanism which is positioned in a workshop and used for controlling a lifting hook pulley block to move along a vertical direction, a bridge which can move along a horizontal straight line direction and a trolley which can move along the bridge direction. The invention simplifies the method for personnel overhaul and maintenance of the lifting mechanism and the crane thereof in severe environments, shortens the maintenance time, reduces the maintenance cost and improves the safety and reliability of equipment.
Description
Technical Field
The invention relates to a hoisting machine, in particular to a lifting mechanism with a fully-movable driving device and application thereof.
Background
In the prior art, a crane adopts a lifting mechanism to be completely reserved on a main structure of the crane in a special environment with a strong nuclear radiation source polluting the environment or being filled with harmful substances, and when the lifting mechanism needs to be overhauled or maintained, the lifting mechanism needs to be removed from the severe environment, so that the crane is overhauled or maintained in a safe environment, and the labor and the effort are wasted.
Therefore, a person can directly overhaul and maintain in a safe environment so as to reduce the maintenance cost and shorten the maintenance time.
Disclosure of Invention
The invention aims to provide a lifting mechanism with a fully-removable driving device and application thereof, wherein the lifting mechanism can be directly overhauled and maintained by personnel in a safe environment in severe environments such as a strong nuclear radiation source polluted environment or a special environment filled with harmful substances. Based on the above-described object, the present invention has been accomplished by repeating studies for solving the above-described problems and finding out the following techniques: the driving device of the lifting mechanism and part of the electrical detection elements in the safety protection device are moved out of the environment, so that personnel can directly overhaul and maintain the lifting mechanism in the safe environment.
And, the following techniques have also been found to complete the present invention: the special steel wire rope winding system ensures that the driving device of the lifting mechanism does not influence the control of the lifting mechanism due to position change. The invention adopts the following technical means:
the lifting mechanism comprises a lifting control mechanism which is positioned in a workshop and used for controlling a lifting hook pulley block to move along the vertical direction, a bridge frame which can move along the horizontal linear direction and a trolley which can move along the bridge frame direction, wherein the lifting control mechanism is provided with a lifting mechanism driving device which is positioned outside the workshop and used for driving the lifting control mechanism.
The working workshop is provided with severe environments such as a special environment polluted by a strong nuclear radiation source or filled with harmful substances; the outside of the workshop is a safe environment.
The lifting mechanism driving device is moved out of a severe environment and is arranged in a safe environment outside a workshop, so that personnel can directly carry out overhaul and maintenance in the safe environment;
the lifting control mechanism comprises:
the steel wire rope winding system comprises a winding drum, a steel wire rope I, a steel wire rope II, a fixed pulley block and a balance arm; the fixed pulley block consists of an A pulley, a B pulley, a C pulley, a D pulley, an E pulley, an F pulley, a G pulley, an H pulley, a J pulley and a K pulley; the lifting hook pulley block comprises a first pulley, a third pulley, a fourth pulley and a Ding Hualun which are sequentially and uniformly distributed by taking the axis of the lifting hook pulley block as an axis, wherein the first pulley and the second pulley are positioned on the same horizontal plane I, the third pulley and the Ding Hualun are positioned on the same horizontal plane II, and a height difference exists between the horizontal plane II and the horizontal plane I;
the winding drum, the pulley B and the pulley A are sequentially arranged along the moving direction of the bridge, the winding drum, the pulley G and the pulley F are sequentially arranged along the moving direction of the bridge, the balance arm and the pulley K are arranged along the moving direction of the bridge, the balance arm and the pulley E are arranged along the moving direction of the bridge, the winding drum is positioned on one side of the bridge, the pulley A and the pulley F are positioned on the other side of the bridge and are fixed on a wall of a workshop along the direction perpendicular to the moving direction of the bridge, and the pulley F is closer to the inner side of the workshop relative to the pulley A;
because the winding drum extends along the direction perpendicular to the movement direction of the bridge, the winding drum can be sequentially arranged along the movement direction of the bridge with the pulley B and the pulley A and can be sequentially arranged along the movement direction of the bridge with the pulley G and the pulley F.
Similarly, the balance arm has a width along the direction perpendicular to the movement direction of the bridge, so that the balance arm can be arranged along the movement direction of the bridge with the K pulley and also can be arranged along the movement direction of the bridge with the E pulley.
The winding drum and the balance arm are arranged along the direction perpendicular to the moving direction of the bridge, one end of the balance arm with a hinge shaft is fixed on a wall of a workshop, the B pulley, the C pulley, the J pulley and the K pulley are sequentially arranged along the direction perpendicular to the moving direction of the bridge, the G pulley, the H pulley, the D pulley and the E pulley are sequentially arranged along the direction perpendicular to the moving direction of the bridge, the B pulley and the G pulley are positioned on the bridge at one side of the trolley, the B pulley is closer to the winding drum, the K pulley and the E pulley are positioned on the bridge at the other side of the trolley, the K pulley is closer to the inner side of the workshop, the C pulley and the H pulley are fixed at one side of the trolley, and the D pulley and the J pulley are fixed at the other side of the trolley;
one end of the steel wire rope I is wound on the winding drum, the other end of the steel wire rope I sequentially bypasses the pulley A, the pulley B and the pulley C in the horizontal direction, downwards bypasses the pulley A, horizontally bypasses the pulley B, upwards bypasses the pulley D, horizontally bypasses the pulley E, and is fixed at the free end of the balance arm;
one end of the steel wire rope II is wound on the winding drum, the other end of the steel wire rope II sequentially bypasses the F pulley, the G pulley and the H pulley in the horizontal direction, downwards bypasses the propyl pulley, horizontally bypasses the Ding Hualun, upwards bypasses the J pulley, horizontally bypasses the K pulley, and is fixed at the free end of the balance arm;
when one of the steel wire ropes fails, the other steel wire rope can still lift the load, so that potential safety hazards can be eliminated, and the safety and reliability of the equipment are improved. When the lifting hook pulley block moves transversely or longitudinally along with the trolley and the bridge, the steel wire rope winding system is matched with the rope winding system to wind and unwind the rope.
And, a safety protection device;
the lifting mechanism driving device comprises a motor, the motor is connected with the winding drum sequentially through a speed reducer, a shaft coupling and a penetrating piece, a brake is arranged on the shaft coupling, a lifting highest position and a lifting lowest position of the speed reducer are provided with a terminal travel switch and a lifting overtravel switch of the safety protection device, and a lifting weight limiter of the safety protection device is arranged at a hinge shaft of the balance arm.
The motor, the speed reducer, the coupler, the brake and the safety protection device are all moved away from the working workshop by decelerating and stopping the terminal travel switch and the lifting overtravel switch at the highest lifting position and the lowest lifting position, and are installed in a safe environment outside the working workshop, so that personnel can directly carry out overhaul and maintenance in the safe environment.
The penetrating piece traverses the wall of the workshop to connect the coupler with the winding drum, and the lifting mechanism driving device transmits power to the lifting hook pulley block of the executing component through the penetrating piece and the steel wire rope winding system.
The invention also discloses a crane with the lifting mechanism.
The invention can be popularized and applied to hoisting equipment in other severe environments.
The invention has the following advantages:
1. the method for personnel overhaul and maintenance of the lifting mechanism and the crane thereof in the severe environment is simplified;
2. the maintenance time is shortened, and the maintenance cost is reduced;
3. the safety and the reliability of the equipment are improved.
For the reasons, the invention can be widely popularized in the fields of hoisting machinery and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a lifting mechanism with a fully-moved driving device in an embodiment of the invention.
In the figure: 1 lifting mechanism driving device, 2 penetrating piece, 3 steel wire rope winding system, 4 lifting hook pulley block, 5 trolley, 6 bridge frame, 7 safety protection device, 1.1 motor, 1.2 speed reducer, 1.3 brake, 1.4 coupling, 3.1 winding drum, 3.2 steel wire rope I, 3.3 steel wire rope II and 3.4 balance arm
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a lifting mechanism with a fully-removable driving device comprises a lifting control mechanism, a bridge 6 and a trolley 5, wherein the lifting control mechanism is positioned in a workshop and used for controlling a lifting hook pulley block 4 to move along a vertical direction, the bridge 6 can move along a horizontal linear direction, and the trolley 5 can move along the bridge 6, and the lifting control mechanism is provided with a lifting mechanism driving device 1 which is positioned outside the workshop and used for driving the lifting control mechanism.
The lifting control mechanism comprises:
the steel wire rope winding system 3 comprises a winding drum 3.1, a steel wire rope I3.2, a steel wire rope II 3.3, a fixed pulley block and a balance arm 3.4; the fixed pulley block consists of an A pulley, a B pulley, a C pulley, a D pulley, an E pulley, an F pulley, a G pulley, an H pulley, a J pulley and a K pulley; the lifting hook pulley block 4 comprises a first pulley, a third pulley, a fourth pulley and a Ding Hualun which are sequentially and uniformly distributed by taking the axis of the lifting hook pulley block 4 as an axis, wherein the first pulley and the second pulley are positioned on the same horizontal plane I, the third pulley and the Ding Hualun are positioned on the same horizontal plane II, and a height difference exists between the horizontal plane II and the horizontal plane I;
the winding drum 3.1, the pulley B and the pulley A are sequentially arranged along the moving direction of the bridge 6, the winding drum 3.1, the pulley G and the pulley F are sequentially arranged along the moving direction of the bridge 6, the balance arm 3.4 and the pulley K are arranged along the moving direction of the bridge 6, the balance arm 3.4 and the pulley E are arranged along the moving direction of the bridge 6, wherein the winding drum 3.1 is positioned on one side of the bridge 6, the pulley A and the pulley F are positioned on the other side of the bridge 6 and are fixed on a wall of a workshop along the direction perpendicular to the moving direction of the bridge 6, and the pulley F is closer to the inner side of the workshop relative to the pulley A;
the winding drum 3.1 and the balance arm 3.4 are arranged along the direction perpendicular to the moving direction of the bridge 6, one end of the balance arm 3.4 with a hinge shaft is fixed on a wall of a workshop, the B pulley, the C pulley, the J pulley and the K pulley are sequentially arranged along the direction perpendicular to the moving direction of the bridge 6, the G pulley, the H pulley, the D pulley and the E pulley are sequentially arranged along the direction perpendicular to the moving direction of the bridge 6, the B pulley and the G pulley are positioned on the bridge 6 on one side of the trolley 5, the B pulley is closer to the winding drum 3.1, the K pulley and the E pulley are positioned on the bridge 6 on the other side of the trolley 5, the K pulley is closer to the inner side of the workshop, the C pulley and the H pulley are fixed on one side of the trolley 5, and the D pulley and the J pulley are fixed on the other side of the trolley 5;
one end of the steel wire rope I3.2 is wound on the winding drum 3.1, the other end horizontally bypasses the pulley A, the pulley B and the pulley C in sequence, downwards bypasses the pulley A, horizontally bypasses the pulley B, upwards bypasses the pulley D, horizontally bypasses the pulley E, and is fixed at the free end of the balance arm 3.4;
one end of the steel wire rope II 3.3 is wound on the winding drum 3.1, the other end horizontally bypasses the F pulley, the G pulley and the H pulley in sequence, downwards bypasses the propyl pulley, horizontally bypasses Ding Hualun, upwards bypasses the J pulley, horizontally bypasses the K pulley and is fixed at the free end of the balance arm 3.4;
and a safety protection device 7;
the lifting mechanism driving device 1 comprises a motor 1.1, the motor 1.1 is connected with a winding drum 3.1 sequentially through a speed reducer 1.2, a coupler 1.4 and a penetrating piece 2, wherein a brake 1.3 is arranged on the coupler 1.4, a lifting highest position, a lowest position speed reduction, a stop terminal travel switch and a lifting overtravel switch of a safety protection device 7 are arranged on the speed reducer 1.2, and a lifting weight limiter of the safety protection device 7 is arranged at a hinge shaft of a balance arm 3.4.
The penetration 2 is a drive shaft of a lifting control mechanism traversing the wall of the workplace.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (2)
1. The lifting mechanism with a fully-removable driving device comprises a lifting control mechanism which is positioned in a workshop and used for controlling a lifting hook pulley block (4) to move along a vertical direction, a bridge (6) which can move along a horizontal straight line direction and a trolley (5) which can move along the bridge (6),
the lifting control mechanism is provided with a lifting mechanism driving device (1) which is positioned outside the workshop and used for driving the lifting control mechanism;
the lifting control mechanism comprises:
the steel wire rope winding system (3) comprises a winding drum (3.1), a steel wire rope I (3.2), a steel wire rope II (3.3), a fixed pulley block and a balance arm (3.4); the fixed pulley block consists of an A pulley, a B pulley, a C pulley, a D pulley, an E pulley, an F pulley, a G pulley, an H pulley, a J pulley and a K pulley; the lifting hook pulley block (4) comprises a first pulley, a third pulley, a fourth pulley and a Ding Hualun which are sequentially and uniformly distributed by taking the axis of the lifting hook pulley block (4) as an axis, wherein the first pulley and the second pulley are positioned on the same horizontal plane I, the third pulley and the Ding Hualun are positioned on the same horizontal plane II, and a height difference exists between the horizontal plane II and the horizontal plane I;
the winding drum (3.1), the pulley B and the pulley A are sequentially arranged along the moving direction of the bridge (6), the winding drum (3.1), the pulley G and the pulley F are sequentially arranged along the moving direction of the bridge (6), the balance arm (3.4) and the pulley K are arranged along the moving direction of the bridge (6), the balance arm (3.4) and the pulley E are arranged along the moving direction of the bridge (6), wherein the winding drum (3.1) is positioned on one side of the bridge (6), the pulley A and the pulley F are positioned on the other side of the bridge (6) and are fixed on a wall of a workshop along the moving direction perpendicular to the bridge (6), and the pulley F is closer to the inner side of the workshop relative to the pulley A;
the winding drum (3.1) and the balance arm (3.4) are arranged along the direction perpendicular to the moving direction of the bridge (6), one end of the balance arm (3.4) with a hinge shaft is fixed on a wall of a workshop, the B pulley, the C pulley, the J pulley and the K pulley are sequentially arranged along the direction perpendicular to the moving direction of the bridge (6), the G pulley, the H pulley, the D pulley and the E pulley are sequentially arranged along the direction perpendicular to the moving direction of the bridge (6), the B pulley and the G pulley are positioned on the bridge (6) at one side of the trolley (5) and the B pulley is closer to the winding drum (3.1), the K pulley and the E pulley are positioned on the bridge (6) at the other side of the trolley (5) and the K pulley is closer to the inner side of the workshop, the C pulley and the H pulley are fixed at one side of the trolley (5), and the D pulley and the J pulley are fixed at the other side of the trolley (5);
one end of the steel wire rope I (3.2) is wound on the winding drum (3.1), the other end horizontally bypasses the pulley A, the pulley B and the pulley C in sequence, downwards bypasses the pulley A, horizontally bypasses the pulley B, upwards bypasses the pulley D, horizontally bypasses the pulley E and is fixed at the free end of the balance arm (3.4);
one end of the steel wire rope II (3.3) is wound on the winding drum (3.1), the other end horizontally bypasses the F pulley, the G pulley and the H pulley in sequence, downwards bypasses the propyl pulley, horizontally bypasses Ding Hualun, upwards bypasses the J pulley, horizontally bypasses the K pulley and is fixed at the free end of the balance arm (3.4);
and a safety protection device (7);
the lifting mechanism driving device (1) comprises a motor (1.1), the motor (1.1) is connected with a winding drum (3.1) sequentially through a speed reducer (1.2), a coupler (1.4) and a penetrating piece (2), wherein a brake (1.3) is arranged on the coupler (1.4), a lifting highest part and a lowest part of the speed reducer (1.2) are provided with a safety protection device (7), a stop terminal travel switch and a lifting overtravel switch, and a lifting weight limiter of the safety protection device (7) is arranged at a hinge shaft of a balance arm (3.4).
2. A crane having a hoisting mechanism according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356934.1A CN109969950B (en) | 2019-04-29 | 2019-04-29 | Lifting mechanism with fully-movable driving device and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356934.1A CN109969950B (en) | 2019-04-29 | 2019-04-29 | Lifting mechanism with fully-movable driving device and application |
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| Publication Number | Publication Date |
|---|---|
| CN109969950A CN109969950A (en) | 2019-07-05 |
| CN109969950B true CN109969950B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910356934.1A Active CN109969950B (en) | 2019-04-29 | 2019-04-29 | Lifting mechanism with fully-movable driving device and application |
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|---|---|
| CN109969950A (en) | 2019-07-05 |
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