CN219929494U - Rotating mechanism of electric hoist - Google Patents
Rotating mechanism of electric hoist Download PDFInfo
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- CN219929494U CN219929494U CN202321219905.9U CN202321219905U CN219929494U CN 219929494 U CN219929494 U CN 219929494U CN 202321219905 U CN202321219905 U CN 202321219905U CN 219929494 U CN219929494 U CN 219929494U
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- electric hoist
- worm
- spline ring
- shell
- electric
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- 238000000034 method Methods 0.000 description 7
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a rotating mechanism of an electric hoist, which comprises an electric hoist shell, a hanging table and a rotating unit; electric block shell: a convex column is arranged in the center of the upper surface of the lifting platform and is rotationally connected with a rotating hole on the inner bottom surface of the lifting platform through a bearing, slide rail holes which are symmetrical in front and back are arranged at the upper end of the outer cambered surface of the lifting platform, a turbine is fixedly sleeved at the upper end of the outer cambered surface of the convex column, and the turbine is positioned in the lifting platform; and a rotation unit: the rotating unit is arranged in the hanging table and is connected with the turbine in a meshed manner; wherein: the outer surface of the electric hoist shell is provided with a singlechip, and the input end of the singlechip is electrically connected with an external power supply; the rotating mechanism of the electric hoist can change the directions of the shell of the electric hoist and the lifting materials below the shell of the electric hoist, meet the lifting demands of different directions and angles, realize automatic locking of the worm after rotation and ensure that the follow-up lifting work is normally carried out.
Description
Technical Field
The utility model relates to the technical field of lifting equipment, in particular to a rotating mechanism of an electric hoist.
Background
The electric hoist is a special lifting device, is arranged on the crown block and the gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used for places such as industrial and mining enterprises, storage, wharfs and the like.
In order to meet the lifting demands of different orientation angles, the electric hoist generally has a rotating function, and when the electric hoist works, the electric hoist is driven by a rotating mechanism arranged in the electric hoist to change the orientation of the electric hoist and a lifting material below the electric hoist.
The existing rotating mechanism of the electric hoist generally adopts a mode that a worm drives a turbine to rotate to perform a rotation adjusting function, although a certain transmission locking function exists between the worm and the turbine, the turbine cannot drive the worm to rotate, in the actual use process, the worm still can rotate and deviate to a certain extent due to the influence of mechanical vibration, and when the rotation deviation of the worm is too large, the lifting operation of the electric hoist is easily disturbed seriously.
Disclosure of Invention
The utility model aims to overcome the existing defects, provides the rotating mechanism of the electric hoist, can change the directions of the shell of the electric hoist and the lifting materials below the shell of the electric hoist, meets the lifting demands of different directions and angles, can realize automatic locking of a worm after rotation, ensures normal development of subsequent lifting work, and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the rotating mechanism of the electric hoist comprises an electric hoist shell, a hanging table and a rotating unit;
electric block shell: a convex column is arranged in the center of the upper surface of the lifting platform and is rotationally connected with a rotating hole on the inner bottom surface of the lifting platform through a bearing, slide rail holes which are symmetrical in front and back are arranged at the upper end of the outer cambered surface of the lifting platform, a turbine is fixedly sleeved at the upper end of the outer cambered surface of the convex column, and the turbine is positioned in the lifting platform;
and a rotation unit: the rotary unit is connected with the turbine in a meshed mode, the direction of the electric hoist shell and the lifting materials below the electric hoist shell can be changed, lifting requirements of different direction angles are met, automatic locking of the worm can be achieved after rotation, and follow-up lifting work is guaranteed to be normally carried out.
Furthermore, the outer surface of the electric hoist shell is provided with a singlechip, and the input end of the singlechip is electrically connected with an external power supply, so that the running state of each electric appliance can be freely regulated and controlled.
Further, the rotary unit comprises a worm and a motor, the worm is rotationally connected to the inside of the hanging table through a bearing, the motor output shaft arranged on the outer cambered surface of the hanging table is fixedly connected with the right end of the worm, the worm is connected with the turbine in a meshed mode, the input end of the motor is electrically connected with the output end of the single chip microcomputer, and the convex column and the electric hoist shell can be driven to rotate.
Further, the rotary unit further comprises a first spline ring, a second spline ring and a linkage frame, the first spline ring is fixedly sleeved at the left end of the outer arc surface of the worm, the second spline ring is movably sleeved at the left end of the outer arc surface of the worm, the first spline ring is positioned on the right side of the second spline ring, the first spline ring is matched with the second spline ring, the linkage frame is arranged on the outer arc surface of the second spline ring, and rotary locking of the worm can be achieved.
Further, the rotary unit further comprises an electric push rod, the electric push rod is arranged at the rear side of the inner bottom surface of the hanging table, the left end of the telescopic end of the electric push rod is fixedly connected with the linkage frame, the input end of the electric push rod is electrically connected with the output end of the single chip microcomputer, and the linkage frame can be driven to move.
Further, the rotary unit further comprises an arc-shaped limiting opening and limiting pins, the arc-shaped limiting opening is arranged on the outer surface of the linkage frame in a front-back symmetrical mode, the circle centers of the arc-shaped limiting openings are all located on the central axis of the worm, the outer cambered surface of the second spline ring is provided with the limiting pins which are arranged in a front-back symmetrical mode, the limiting pins are respectively located inside the arc-shaped limiting openings on the same side, and the second spline ring can rotate and offset at a certain angle in the linkage frame.
Further, the outer cambered surface lower extreme of hanging table is equipped with evenly distributed's connecting rib, and the bottom of connecting rib all is with lantern ring fixed connection, and the ring channel sliding connection of lantern ring and electric block shell surface upper end can provide further rotation guide support for the electric block shell, ensures the stability of electric block shell.
Compared with the prior art, the utility model has the beneficial effects that: the rotating mechanism of the electric hoist has the following advantages:
1. when the electric hoist shell uses the sliding rail hole on the hanging table as a guide to carry out lifting work along the external guide rail, the motor is operated to drive the worm to rotate through the regulation and control of the single chip microcomputer, and the electric hoist shell can rotate along with the convex column due to the meshing connection relation of the worm and the turbine, so that the direction of a lifting material below the electric hoist shell is changed, the lifting demands of different direction angles are met, the connecting rib lantern rings in the process are matched to provide further rotary guide support for the electric hoist shell, and the stability of the electric hoist shell is ensured.
2. Through the regulation and control of singlechip, when the motor stops the operation, electric putter shrink drives linkage frame and second spline ring together right shift for spline tooth meshing on first spline ring and the second spline ring, thereby realize the rotation locking to the worm, and at this in-process, owing to the existence of arc spacing mouth and spacer pin, the second spline ring can take place the rotation compensation skew of certain angle in the inside of linkage frame, makes first spline ring homoenergetic and second spline ring normal meshing and realize rotatory locking function when arbitrary angle stops.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the present utility model in an inner cross-section;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
fig. 4 is a schematic view of the present utility model in front view and in cross section.
In the figure: 1 electric hoist shell, 2 convex columns, 3 hanging tables, 4 sliding rail holes, 5 turbines, 6 rotating units, 61 worm screws, 62 motor, 63 first spline rings the second spline ring 64, the linkage frame 65, the electric push rod 66, the arc-shaped limiting opening 67, the limiting pin 68, the singlechip 7, the connecting rib 8 and the lantern ring 9.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a technical solution: the rotating mechanism of the electric hoist comprises an electric hoist shell 1, a hanging table 3 and a rotating unit 6;
electric hoist shell 1: the center of the upper surface of the lifting platform is provided with a convex column 2, the convex column 2 is rotationally connected with a rotating hole on the inner bottom surface of the lifting platform 3 through a bearing, the upper end of the outer cambered surface of the lifting platform 3 is provided with a sliding rail hole 4 which is symmetrical front and back, the upper end of the outer cambered surface of the convex column 2 is fixedly sleeved with a turbine 5, and the turbine 5 is positioned in the lifting platform 3, so that sufficient operation space can be provided for subsequent rotation work;
rotation unit 6: the rotary unit 6 is arranged in the hanging table 3 and is in meshed connection with the turbine 5, the rotary unit 6 comprises a worm 61 and a motor 62, the worm 61 is rotationally connected in the hanging table 3 through a bearing, an output shaft of the motor 62 arranged on the outer cambered surface of the hanging table 3 is fixedly connected with the right end of the worm 61, the worm 61 is in meshed connection with the turbine 5, the input end of the motor 62 is electrically connected with the output end of the singlechip 7, the rotary unit 6 further comprises a first spline ring 63, a second spline ring 64 and a linkage frame 65, the first spline ring 63 is fixedly sleeved at the left end of the outer cambered surface of the worm 61, the second spline ring 64 is movably sleeved at the left end of the outer cambered surface of the worm 61, the first spline ring 63 is positioned on the right side of the second spline ring 64, the first spline ring 63 is matched with the second spline ring 64, the outer cambered surface of the second spline ring 64 is movably sleeved with the linkage frame 65, the rotary unit 6 further comprises an electric push rod 66, the electric push rod 66 is arranged at the rear side of the inner bottom surface of the hanging platform 3, the left end of the telescopic end of the electric push rod 66 is fixedly connected with the linkage frame 65, the input end of the electric push rod 66 is electrically connected with the output end of the single chip microcomputer 7, the rotating unit 6 further comprises an arc limiting opening 67 and a limiting pin 68, the arc limiting opening 67 is arranged on the outer surface of the linkage frame 65 in a front-back symmetrical mode, the circle centers of the arc limiting openings 67 are all positioned on the central axis of the worm 61, the limiting pins 68 which are arranged on the outer arc surfaces of the second spline ring 64 in a front-back symmetrical mode are respectively positioned in the arc limiting openings 67 on the same side, when the electric hoist shell 1 carries out lifting work along an external guide rail by taking a sliding rail hole 4 on the hanging platform 3 as a guide, the motor 62 runs to drive the worm 61 to rotate under the influence of meshing connection relation of the worm 61 and the turbine 5 through the regulation and control of the single chip microcomputer 7, the electric hoist shell 1 rotates along with the convex column 2, therefore, the direction of the lifted materials below the electric hoist shell 1 is changed, the lifting demands of different direction angles are met, in addition, through the regulation and control of the single chip microcomputer 7, when the motor 62 stops running, the electric push rod 66 contracts to drive the linkage frame 65 and the second spline ring 64 to move rightwards together, so that the first spline ring 63 is meshed with spline teeth on the second spline ring 64, the rotation locking of the worm 61 is realized, in the process, due to the existence of the arc limiting opening 67 and the limiting pin 68, the second spline ring 64 can generate rotation compensation offset of a certain angle inside the linkage frame 65, and the first spline ring 63 can be normally meshed with the second spline ring 64 when stopping at any angle, and the rotation locking function is realized.
Wherein: the outer surface of the electric hoist shell 1 is provided with a singlechip 7, and the input end of the singlechip 7 is electrically connected with an external power supply.
Wherein: the outer cambered surface lower extreme of hanging table 3 is equipped with evenly distributed's connecting rib 8, and the bottom of connecting rib 8 all is with lantern ring 9 fixed connection, and lantern ring 9 and the ring channel sliding connection of electric block shell 1 surface upper end, connecting rib 8 lantern ring 9 cooperate can provide further rotation direction support for electric block shell 1, ensures the stability of electric block shell 1.
The working principle of the rotating mechanism of the electric hoist provided by the utility model is as follows: when the electric hoist shell 1 uses the sliding rail hole 4 on the hanging platform 3 as a guide to carry out lifting operation along an external guide rail, the motor 62 operates to drive the worm 61 to rotate through the regulation and control of the single chip microcomputer 7, the electric hoist shell 1 can rotate along with the convex column 2 under the influence of the meshing connection relation of the worm 61 and the turbine 5, so that the direction of lifting materials below the electric hoist shell 1 is changed, the lifting requirements of different direction angles are met, the collar 9 of the connecting rib 8 can be matched with the electric hoist shell 1 to provide further rotation guide support, the stability of the electric hoist shell 1 is ensured, in addition, through the regulation and control of the single chip microcomputer 7, when the motor 62 stops operating, the electric push rod 66 contracts to drive the linkage frame 65 and the second spline ring 64 to move rightwards together, so that the first spline ring 63 meshes with spline teeth on the second spline ring 64, and the rotary locking of the worm 61 is realized, and in the process, due to the existence of the arc limiting opening 67 and the limiting pin 68, the second ring 64 can rotate at a certain angle in the frame 65, the first spline ring can realize normal rotation locking function when the first spline ring stops at any angle.
It should be noted that, in the above embodiment, the single-chip microcomputer 7 is selected from STC15 series single-chip microcomputers, the motor 62 is selected from GNB2118A motor, the electric push rod 66 is selected from small and medium-sized electric push rods in JN185, and the single-chip microcomputer 7 controls the motor 62 and the electric push rod 66 to work by a method commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The rotary mechanism of the electric hoist is characterized in that: comprises an electric hoist shell (1), a hanging table (3) and a rotating unit (6);
electric hoist shell (1): a convex column (2) is arranged in the center of the upper surface of the lifting platform, the convex column (2) is rotationally connected with a rotating hole on the inner bottom surface of the lifting platform (3) through a bearing, a sliding rail hole (4) which is symmetrical in front-back is arranged at the upper end of the outer cambered surface of the lifting platform (3), a turbine (5) is fixedly sleeved at the upper end of the outer cambered surface of the convex column (2), and the turbine (5) is positioned in the lifting platform (3);
rotation unit (6): the rotary unit (6) is arranged in the hanging table (3) and is meshed with the turbine (5).
2. The rotating mechanism of the electric hoist according to claim 1, characterized in that: the outer surface of the electric hoist shell (1) is provided with a singlechip (7), and the input end of the singlechip (7) is electrically connected with an external power supply.
3. The rotating mechanism of the electric hoist according to claim 2, characterized in that: the rotating unit (6) comprises a worm (61) and a motor (62), the worm (61) is rotationally connected to the inside of the hanging platform (3) through a bearing, an output shaft of the motor (62) arranged on the outer cambered surface of the hanging platform (3) is fixedly connected with the right end of the worm (61), the worm (61) is meshed with the turbine (5), and the input end of the motor (62) is electrically connected with the output end of the single chip microcomputer (7).
4. The rotating mechanism of the electric hoist according to claim 3, characterized in that: the rotary unit (6) further comprises a first spline ring (63), a second spline ring (64) and a linkage frame (65), the first spline ring (63) is fixedly sleeved at the left end of the outer arc surface of the worm (61), the second spline ring (64) is movably sleeved at the left end of the outer arc surface of the worm (61), the first spline ring (63) is located on the right side of the second spline ring (64), the first spline ring (63) is matched with the second spline ring (64), and the linkage frame (65) is arranged on the outer arc surface of the second spline ring (64).
5. The rotating mechanism of the electric hoist according to claim 4, characterized in that: the rotary unit (6) further comprises an electric push rod (66), the electric push rod (66) is arranged on the rear side of the inner bottom surface of the hanging table (3), the left end of the telescopic end of the electric push rod (66) is fixedly connected with the linkage frame (65), and the input end of the electric push rod (66) is electrically connected with the output end of the single chip microcomputer (7).
6. The rotating mechanism of the electric hoist according to claim 4, characterized in that: the rotary unit (6) further comprises an arc limiting opening (67) and limiting pins (68), the arc limiting opening (67) is arranged on the outer surface of the linkage frame (65) in a front-back symmetrical mode, the circle centers of the arc limiting openings (67) are all located on the central axis of the worm (61), the limiting pins (68) which are symmetrical around the outer cambered surface of the second spline ring (64) are arranged, and the limiting pins (68) are located inside the arc limiting openings (67) on the same side respectively.
7. The rotating mechanism of the electric hoist according to claim 1, characterized in that: the lower end of the outer cambered surface of the hanging table (3) is provided with uniformly distributed connecting ribs (8), the bottom ends of the connecting ribs (8) are fixedly connected with a lantern ring (9), and the lantern ring (9) is in sliding connection with an annular groove at the upper end of the outer surface of the electric hoist shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321219905.9U CN219929494U (en) | 2023-05-19 | 2023-05-19 | Rotating mechanism of electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321219905.9U CN219929494U (en) | 2023-05-19 | 2023-05-19 | Rotating mechanism of electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219929494U true CN219929494U (en) | 2023-10-31 |
Family
ID=88487002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321219905.9U Active CN219929494U (en) | 2023-05-19 | 2023-05-19 | Rotating mechanism of electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219929494U (en) |
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2023
- 2023-05-19 CN CN202321219905.9U patent/CN219929494U/en active Active
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