CN213679493U - Hoisting mechanism of metallurgical crane - Google Patents
Hoisting mechanism of metallurgical crane Download PDFInfo
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- CN213679493U CN213679493U CN202121183081.5U CN202121183081U CN213679493U CN 213679493 U CN213679493 U CN 213679493U CN 202121183081 U CN202121183081 U CN 202121183081U CN 213679493 U CN213679493 U CN 213679493U
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Abstract
A metallurgical crane hoisting mechanism relates to the field of crane equipment, which comprises a rack, two winding drums, two speed reducers and two motors, wherein the two winding drums, the two speed reducers and the two motors are arranged on the rack; the two winding drums are axially arranged in parallel at intervals, fixed pulleys and balance arms for winding limiting winding ropes are arranged on the outer sides of the two winding drums, the two motors are respectively correspondingly arranged on the inner sides of the two winding drums and are axially parallel to the winding drums, and the two speed reducers are respectively arranged outside the two corresponding end parts of the two winding drums; the speed reducer comprises a high-speed shaft, a low-speed shaft and a low-speed output shaft which is correspondingly vertical to the low-speed shaft, one end of the high-speed shaft is correspondingly connected with an output shaft of a corresponding motor, the other end of the high-speed shaft is connected with a first brake, and the low-speed shaft is correspondingly connected with a rotating shaft of a corresponding winding drum; the low-speed output shafts of the two speed reducers are coaxially arranged, one ends of the low-speed output shafts are in transmission connection with the corresponding low-speed shafts, and the other ends of the low-speed output shafts are correspondingly connected through a synchronizing shaft; the lifting mechanism is compact and reasonable in layout and convenient to maintain and use.
Description
Technical Field
The utility model belongs to the technical field of crane equipment and specifically relates to a metallurgical hoist hoisting mechanism is related to.
Background
The metallurgical crane is one of the types of cranes, and refers to equipment which works by means of longitudinal movement along the direction of a plant rail, transverse movement of a trolley and lifting movement of a lifting hook; in order to ensure stable lifting and safe lifting, a lifting mechanism with double winding drums is generally adopted, as shown in fig. 1-2, motors are arranged on two sides, the winding drums are arranged in the middle and are connected by a linear speed reducer, and the traditional connection and arrangement structure causes the whole lifting mechanism to have a huge structure, large occupied space, heavy weight, high cost and inconvenient maintenance and use.
Disclosure of Invention
In order to overcome not enough among the background art, the utility model discloses a metallurgical hoist hoisting mechanism, it is compact reasonable to arrange, is convenient for maintain the use.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hoisting mechanism of a metallurgical crane comprises a frame, two winding drums, two speed reducers and two motors, wherein the two winding drums, the two speed reducers and the two motors are arranged on the frame; the two winding drums are axially arranged in parallel at intervals, fixed pulleys and balance arms for winding limiting winding ropes are arranged on the outer sides of the two winding drums, the two motors are respectively correspondingly arranged on the inner sides of the two winding drums and are axially parallel to the winding drums, and the two speed reducers are respectively arranged outside the two corresponding end parts of the two winding drums; the speed reducer comprises a high-speed shaft, a low-speed shaft and a low-speed output shaft which is correspondingly vertical to the low-speed shaft, one end of the high-speed shaft is correspondingly connected with an output shaft of a corresponding motor, the other end of the high-speed shaft is connected with a first brake, and the low-speed shaft is correspondingly connected with a rotating shaft of a corresponding winding drum; the low-speed output shafts of the two speed reducers are coaxially arranged, one end of each low-speed output shaft is in transmission connection with the corresponding low-speed shaft, and the other ends of the low-speed output shafts are correspondingly connected through the synchronizing shafts.
Further, the output shaft of the motor is correspondingly connected with the end part of the corresponding high-speed shaft through a coupler.
Further, a second brake is arranged between the output shaft of the motor and the end part of the corresponding high-speed shaft.
Furthermore, the end part of the winding drum, which is far away from the speed reducer, is provided with a rotary limit switch.
Further, the two motors are motors that act in synchronization with each other.
Further, the low-speed shaft and the low-speed output shaft are in transmission through a bevel gear.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a metallurgical crane hoisting mechanism, which can utilize two small reducers with low-speed output shafts to replace a large linear reducer with a traditional structure, thereby greatly reducing the equipment cost and the maintenance cost, and reducing the weight and the occupied space; and by utilizing the arrangement structure of the low-speed output shaft and the low-speed shaft of the speed reducer, the installation positions of the winding drum, the motor and the like can be rearranged, so that the whole hoisting mechanism is more compact and reasonable in layout, and more convenient to maintain and use.
Drawings
Fig. 1 is a schematic structural diagram of a conventional hoisting mechanism;
FIG. 2 is a schematic bottom view of the structure of FIG. 1;
fig. 3 is a schematic view of the present invention;
FIG. 4 is a schematic bottom view of the structure of FIG. 3;
fig. 5 is a schematic view of the connection structure of the decelerator.
In the figure: 1. a reel; 2. a speed reducer; 201. a low speed shaft; 202. a low speed output shaft; 203. a high speed shaft; 3. a synchronizing shaft; 4. a second brake; 5. a first brake; 6. a coupling; 7. a motor; 8. a fixed pulley; 9. a balance arm.
Detailed Description
The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:
the hoisting mechanism of the metallurgical crane described in conjunction with the attached fig. 3-5 comprises a frame, two winding drums 1, two speed reducers 2 and two motors 7 which are arranged on the frame, wherein the two motors 7 are motors which act synchronously with each other as required, so that the two winding drums 1 can be controlled to rotate synchronously; the two winding drums 1 are axially arranged in parallel at intervals in parallel, and the outer sides of the two winding drums 1 are respectively provided with a fixed pulley 8 and a balance arm 9 for winding a limiting winding rope, so that the winding rope is ensured to be smoothly wound and unwound, and the lifting appliance is balanced to lift; the two motors 7 are respectively and correspondingly arranged on the inner sides of the two winding drums 1 and are axially parallel to the winding drums 1, the two speed reducers 2 are respectively arranged outside the two corresponding end parts of the two winding drums 1, the two smaller speed reducers 2 are adopted to replace the traditional linear speed reducer with larger volume and weight, the optimized layout is utilized, and the overall weight and the occupied space are reduced; according to the requirement, the end part of the winding drum 1 far away from the speed reducer 2 is provided with a rotary limit switch to prevent the winding drum 1 from rotating excessively;
the speed reducer 2 comprises a high-speed shaft 203, a low-speed shaft 201 and a low-speed output shaft 202 which is correspondingly vertical to the low-speed shaft 201, one end of the high-speed shaft 203 is correspondingly connected with an output shaft of a corresponding motor 7, and the other end of the high-speed shaft 203 is connected with a first brake 5 for braking; according to the requirement, a second brake 4 is arranged between the output shaft of the motor 7 and the end part of the corresponding high-speed shaft 203, so that double braking insurance is realized, and the safety is improved; in addition, the output shaft of the motor 7 is correspondingly connected with the end part of the corresponding high-speed shaft 203 through the coupler 6, so that the axial installation position of the motor 7 can be conveniently adjusted according to layout requirements; the low-speed shaft 201 is correspondingly connected with the rotating shaft of the corresponding winding drum 1; the low-speed output shafts 202 of the two speed reducers 2 are coaxially arranged, one ends of the low-speed output shafts are in transmission connection with the corresponding low-speed shafts 201, and the other ends of the low-speed output shafts are correspondingly connected through the synchronizing shafts 3, so that the rotating synchronism of the two winding drums 1 is enhanced; the low-speed shaft 201 and the low-speed output shaft 202 are driven by a bevel gear as required, and the specific detailed structural design of the speed reducer 2 can refer to an FK series speed reducer, which is not described in detail herein.
The part of the utility model not detailed is prior art.
Claims (6)
1. A metallurgical crane hoisting mechanism is characterized in that: comprises a frame, two winding drums (1), two speed reducers (2) and two motors (7) which are arranged on the frame; the two winding drums (1) are axially arranged in parallel at intervals in parallel, the outer sides of the two winding drums (1) are respectively provided with a fixed pulley (8) and a balance arm (9) which are used for winding a limiting winding rope, the two motors (7) are respectively correspondingly arranged on the inner sides of the two winding drums (1) and are axially parallel to the winding drums (1), and the two speed reducers (2) are respectively arranged outside the two corresponding end parts of the two winding drums (1); the speed reducer (2) comprises a high-speed shaft (203), a low-speed shaft (201) and a low-speed output shaft (202) which is perpendicular to the low-speed shaft (201) correspondingly, one end of the high-speed shaft (203) is connected with an output shaft of a corresponding motor (7) correspondingly, the other end of the high-speed shaft (203) is connected with a first brake (5), and the low-speed shaft (201) is connected with a rotating shaft of a corresponding winding drum (1) correspondingly; low-speed output shaft (202) of two reduction gears (2) set up the coaxial line, and one end all is connected with corresponding low-speed axle (201) transmission, and the other end corresponds through synchronizing shaft (3) and connects.
2. A metallurgical crane hoist as claimed in claim 1, wherein: the output shaft of the motor (7) is correspondingly connected with the end part of the corresponding high-speed shaft (203) through a coupling (6).
3. A metallurgical crane hoist as claimed in claim 1, wherein: and a second brake (4) is arranged between the output shaft of the motor (7) and the end part of the corresponding high-speed shaft (203).
4. A metallurgical crane hoist as claimed in claim 1, wherein: the end part of the winding drum (1) far away from the speed reducer (2) is provided with a rotary limit switch.
5. A metallurgical crane hoist as claimed in claim 1, wherein: the two motors (7) are mutually synchronous motors.
6. A metallurgical crane hoist as claimed in claim 1, wherein: the low-speed shaft (201) and the low-speed output shaft (202) are in transmission through a bevel gear.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121183081.5U CN213679493U (en) | 2021-05-31 | 2021-05-31 | Hoisting mechanism of metallurgical crane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121183081.5U CN213679493U (en) | 2021-05-31 | 2021-05-31 | Hoisting mechanism of metallurgical crane |
Publications (1)
Publication Number | Publication Date |
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CN213679493U true CN213679493U (en) | 2021-07-13 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121183081.5U Active CN213679493U (en) | 2021-05-31 | 2021-05-31 | Hoisting mechanism of metallurgical crane |
Country Status (1)
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CN (1) | CN213679493U (en) |
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2021
- 2021-05-31 CN CN202121183081.5U patent/CN213679493U/en active Active
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