CN220351524U - Anti-tilting mounting structure of electric hoist - Google Patents
Anti-tilting mounting structure of electric hoist Download PDFInfo
- Publication number
- CN220351524U CN220351524U CN202322031838.4U CN202322031838U CN220351524U CN 220351524 U CN220351524 U CN 220351524U CN 202322031838 U CN202322031838 U CN 202322031838U CN 220351524 U CN220351524 U CN 220351524U
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- fixed
- electric hoist
- mounting structure
- positive
- passive
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- 230000000694 effects Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims 4
- 241001330002 Bambuseae Species 0.000 claims 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 4
- 239000011425 bamboo Substances 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses an anti-tilting mounting structure of an electric hoist, which comprises two groups of fixed frames, wherein two groups of positive and negative threaded rods are rotatably connected to two opposite sides of each fixed frame through bearings.
Description
Technical Field
The utility model relates to the technical field of electric hoist installation, in particular to an electric hoist inclination-preventing installation structure.
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.
After the electric hoist is installed on the track, the device is required to be driven by the sports car, as the sports car and the track belong to the clamping connection, the active span and the passive span of the sports car are required to be stably installed on two sides of the track, the active span and the passive span are limited in the I-steel track, a plurality of groups of gaskets are required to be arranged at two ends of the installation shaft in a filling manner during installation, the distance between the active span and the passive span is regulated through the gaskets, the active span and the passive span are ensured to be clamped in the I-steel track, the electric hoist is ensured to be stable, the electric hoist is prevented from tilting, the quantity of the gaskets on two sides of the installation seat is required to be consistent, and the quantity of the gaskets is required to be repeatedly increased and decreased, so that a certain safety distance is ensured to normally operate after the active span and the passive span are clamped in the I-steel, and meanwhile the inclination caused by the gravity center deviation of the electric hoist main body after the installation is avoided.
Disclosure of Invention
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric hoist prevents slope mounting structure, includes two sets of fixed frames, the both sides that the fixed frame was in opposite directions are connected with two sets of positive and negative threaded rods through the bearing rotation, the both ends of positive and negative threaded rod run through to the inner chamber of fixed frame, the inner chamber of fixed frame is the activity respectively and is provided with the initiative of electric sports car and is striden board by the passive, the surface that the initiative strides board and was striden board is all inlayed and is equipped with the thread bush, the both ends of positive and negative threaded rod run through the thread bush respectively and with the inner chamber threaded connection of thread bush, be provided with between the fixed frame and carry out synchronous drive's to two sets of positive and negative threaded rods coupling assembling, be provided with between the fixed frame and carry out the drive assembly to coupling assembling;
the electric hoist further comprises an electric hoist shell, and the fixing frame is fixed on the surface of the electric hoist shell.
Preferably, the connecting assembly comprises a rotating shaft arranged between the fixing frames, the two ends of the rotating shaft are respectively fixed with a first bevel gear, the surface of the positive and negative threaded rod is fixed with a second bevel gear, and the second bevel gear is meshed with one opposite side of the first bevel gear.
Preferably, one side of the fixed frame opposite to the fixed frame is rotatably connected with a worm through a bearing, a worm wheel meshed with the worm is fixed on the surface of the rotating shaft, and one end of the worm penetrates through a group of fixed frames to extend outwards and is fixed with a turntable.
Preferably, the surface of the rotating shaft is rotatably connected with a supporting plate through a bearing, and the supporting plate is fixed on the electric hoist shell.
Preferably, both ends of the positive and negative threaded rod are fixed with sliding rods, and the diameter of the sliding rods is smaller than the inner diameter of the threaded sleeve.
Preferably, a pawl is arranged on one side of the inner cavity of the fixed frame, and a ratchet wheel meshed with the pawl is fixed on the surface of the worm.
Preferably, one side of the fixed frame far away from the rotating shaft is fixed with a fixed cylinder, the inner cavity of the fixed cylinder is movably provided with a movable rod, one end of the movable rod penetrates through the inner cavity of the fixed frame and is respectively attached to the surfaces of the active straddling plate and the passive straddling plate, the surface of the movable rod is fixedly provided with a limiting ring, the outer side of the movable rod is sleeved with a supporting spring, the supporting spring is located between the limiting ring and the fixed cylinder, and the other end of the movable rod penetrates through the fixed cylinder and extends outwards.
Preferably, a vertical groove is formed in the bottom of the passive straddling plate, and the pawl is located at the inner side of the vertical groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the positive and negative threaded rods are arranged between the fixed frames, so that the active straddling plate and the passive straddling plate are conveniently and synchronously connected with the positive and negative threaded rods through the threaded sleeves, and then the two groups of positive and negative threaded rods are synchronously driven to rotate, so that the active straddling plate and the passive straddling plate are synchronously moved in the fixed frames in opposite directions, the stability of the active straddling plate and the passive straddling plate can be ensured, the distance between the active straddling plate and the passive straddling plate can be adjusted, the active straddling plate and the passive straddling plate can be conveniently arranged on I-shaped steel rails with different sizes, the active straddling plate and the passive straddling plate are prevented from moving reversely by utilizing the self-locking function of the worm wheel and the worm, meanwhile, the worm is limited by utilizing the ratchet wheel and the pawl, and the worm is prevented from being reversely rotated by the error collision, so that the distance between the active straddling plate and the passive straddling plate is increased.
2. According to the utility model, the movable rod is supported by the supporting spring and the limiting ring, so that the active straddling plate and the passive straddling plate are synchronously connected with the two ends of the positive and negative threaded rod through the threaded sleeve.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial top perspective view of the present utility model;
FIG. 3 is a schematic view of a partial perspective structure of the present utility model;
FIG. 4 is a schematic cross-sectional perspective view of a fixing frame according to the present utility model;
fig. 5 is a schematic cross-sectional perspective view of the fixing cylinder of the present utility model.
Reference numerals in the drawings: 1. a fixed frame; 2. a positive and negative threaded rod; 3. an active straddling plate; 4. a passive straddling plate; 5. a thread sleeve; 6. a connection assembly; 61. a rotation shaft; 62. a first helical gear; 63. a second helical gear; 7. a drive assembly; 71. a worm; 72. a worm wheel; 73. a turntable; 8. an electric hoist shell; 9. a support plate; 10. a slide bar; 11. a pawl; 12. a ratchet wheel; 13. a fixed cylinder; 14. a movable rod; 15. a support spring; 16. vertical grooves.
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.
The utility model provides an anti-tilting mounting structure of an electric hoist as shown in figures 1-5, which comprises two groups of fixed frames 1, wherein two opposite sides of the fixed frames 1 are rotatably connected with two groups of positive and negative threaded rods 2 through bearings, two ends of each positive and negative threaded rod 2 penetrate through the inner cavity of the fixed frame 1, the inner cavity of the fixed frame 1 is respectively and movably provided with an active straddling plate 3 and a passive straddling plate 4 of an electric sports car, the surfaces of the active straddling plate 3 and the passive straddling plate 4 are respectively embedded with a thread sleeve 5, two ends of each positive and negative threaded rod 2 respectively penetrate through the thread sleeve 5 and are in threaded connection with the inner cavity of the thread sleeve 5, a connecting component 6 for synchronously driving the two groups of positive and negative threaded rods 2 is arranged between the fixed frames 1, and a driving component 7 for driving the connecting component 6 is arranged between the fixed frames 1;
the electric hoist comprises an electric hoist shell 8, and a fixed frame 1 is fixed on the surface of the electric hoist shell 8;
through installing positive and negative threaded rod 2 between fixed frame 1, conveniently carry out threaded connection with positive and negative threaded rod 2 with initiative sideboard 3 and passive sideboard 4 through thread bush 5 synchronization, then through two sets of positive and negative threaded rods 2 rotation of synchronous drive, make initiative sideboard 3 and passive sideboard 4 be moved in opposite directions in fixed frame 1 in step, not only can ensure the stability of initiative sideboard 3 and passive sideboard 4, can adjust the distance between initiative sideboard 3 and the passive sideboard 4 simultaneously, the easy to assemble is on the I-steel track of equidimension, then utilize the self-locking function of worm wheel 72 and worm 71 to prevent initiative sideboard 3 and passive sideboard 4 reverse movement, simultaneously utilize ratchet 12 and pawl 11 to restrict worm 71, prevent that the mistake from touching worm 71 from leading to worm 71 to the reversal, cause initiative sideboard 3 and passive sideboard 4 distance to increase.
The connecting assembly 6 comprises a rotating shaft 61 arranged between the fixed frames 1, the two ends of the rotating shaft 61 are respectively fixed with a first bevel gear 62, the surface of the positive and negative threaded rod 2 is fixed with a second bevel gear 63, the second bevel gear 63 is meshed with one opposite side of the first bevel gear 62, the first bevel gears 62 at the two ends of the rotating shaft 61 drive the second bevel gears 63 on the surface of the positive and negative threaded rod 2 to rotate, and the synchronous rotation of the two groups of positive and negative threaded rods 2 can be ensured.
One side of the fixed frame 1 opposite to each other is rotatably connected with a worm 71 through a bearing, the surface of the rotary shaft 61 is fixedly provided with a worm wheel 72 meshed with the worm 71, one end of the worm 71 penetrates through a group of the fixed frames 1 to extend outwards and is fixedly provided with a turntable 73, the rotary shaft 61 can be driven through the worm 71 and the worm wheel 72, and the forward and reverse threaded rod 2 can be driven conveniently.
The surface of rotation axis 61 is connected with backup pad 9 through the bearing rotation, and backup pad 9 is fixed in on the electric block casing 8, through the setting of backup pad 9, ensures the stability of rotation axis 61, makes first helical gear 62 and second helical gear 63 meshing stable simultaneously.
Both ends of the positive and negative threaded rod 2 are fixed with slide bars 10, the diameter of the slide bars 10 is smaller than the inner diameter of the threaded sleeve 5, and the slide bars 10 are conveniently utilized to penetrate through the threaded sleeve 5 through the arrangement of the slide bars 10 to support and limit the driving jumper 3 and the driven jumper 4.
One side of the inner cavity of the group of fixed frames 1 is provided with a pawl 11, the surface of the worm 71 is fixedly provided with a ratchet wheel 12 meshed with the pawl 11, the reverse rotation of the worm 71 can be limited through the ratchet wheel 12 and the pawl 11, and the stability of the distance between the driving span plate 3 and the driven span plate 4 is improved.
The fixed frame 1 is fixed with fixed cylinder 13 far away from one side of rotation axis 61, the inner chamber activity of fixed cylinder 13 is provided with movable rod 14, the one end of movable rod 14 runs through to the inner chamber of fixed frame 1 and respectively with the surperficial laminating of initiative sideboard 3 and passive sideboard 4, the fixed surface of movable rod 14 has the spacing ring, the outside cover of movable rod 14 is equipped with supporting spring 15, supporting spring 15 is located between spacing ring and the fixed cylinder 13, the other end of movable rod 14 runs through fixed cylinder 13 and outwards extends, support movable rod 14 through supporting spring 15 and spacing ring, make initiative sideboard 3 and passive sideboard 4 pass through threaded sleeve 5 and positive and negative threaded rod 2's both ends threaded connection in step.
The bottom of the passive straddling plate 4 is provided with a vertical groove 16, the pawl 11 is positioned at the inner side of the vertical groove 16, and the ratchet 12 and the pawl 11 can be prevented from colliding with the passive straddling plate 4 by arranging the vertical groove 16 on the passive straddling plate 4.
When the electric hoist is specifically used, the movable rod 14 is pulled to move outwards, the movable rod 14 extrudes the supporting spring 15 through the limiting ring, then the active straddling plate 3 and the passive straddling plate 4 are placed in the fixed frame 1, meanwhile, the sliding rod 10 is inserted into the threaded cylinder, the movable rod 14 is loosened, the supporting spring 15 is utilized to drive the movable rod 14 to support the active straddling plate 3 and the passive straddling plate 4, the active straddling plate 3 and the passive straddling plate 4 are enabled to simultaneously contact with two ends of the positive and negative threaded rod 2, then the worm 71 is rotated, the worm 71 drives the worm wheel 72 on the surface of the rotating shaft 61 to rotate, the rotating shaft 61 is driven, then the rotating shaft 61 synchronously drives the first bevel gear 62 on the two ends to rotate, so that the positive and negative threaded rod 2 is driven to rotate through the second bevel gear 63, at the moment, the positive and negative threaded rod 2 is in threaded connection with the threaded sleeve 5, the active straddling plate 3 and the passive straddling plate 4 are driven to move towards the middle, then the active straddling plate 3 and the passive straddling plate 4 are placed on two sides of an I-shaped steel rail, the positions between the active straddling plate 3 and the passive straddling plate 4 and the I-shaped steel rail are adjusted, and the worm is stably mounted on the I-shaped steel rail, and the electric hoist is prevented from tilting.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An electric hoist prevents slope mounting structure, its characterized in that: the electric sports car comprises two groups of fixed frames (1), two opposite sides of the fixed frames (1) are rotationally connected with two groups of positive and negative threaded rods (2) through bearings, two ends of each positive and negative threaded rod (2) penetrate through an inner cavity of the fixed frame (1), an active sideboard (3) and a passive sideboard (4) of the electric sports car are respectively and movably arranged in the inner cavity of the fixed frame (1), threaded sleeves (5) are embedded in the surfaces of the active sideboard (3) and the passive sideboard (4), two ends of each positive and negative threaded rod (2) penetrate through the threaded sleeves (5) respectively and are in threaded connection with the inner cavities of the threaded sleeves (5), a connecting component (6) for synchronously driving the two groups of positive and negative threaded rods (2) is arranged between the fixed frames (1), and a driving component (7) for driving the connecting component (6) is arranged between the fixed frames (1).
The electric hoist further comprises an electric hoist shell (8), and the fixed frame (1) is fixed on the surface of the electric hoist shell (8).
2. The electric hoist inclination prevention mounting structure according to claim 1, wherein: the connecting assembly (6) comprises a rotating shaft (61) arranged between the fixing frames (1), first bevel gears (62) are fixed at two ends of the rotating shaft (61), second bevel gears (63) are fixed on the surface of the positive and negative threaded rod (2), and the second bevel gears (63) are meshed with one opposite sides of the first bevel gears (62).
3. The electric hoist inclination prevention mounting structure according to claim 2, wherein: one side of the fixed frame (1) opposite to each other is rotatably connected with a worm (71) through a bearing, a worm wheel (72) meshed with the worm (71) is fixed on the surface of the rotating shaft (61), and one end of the worm (71) penetrates through a group of the fixed frames (1) to extend outwards and is fixed with a turntable (73).
4. The electric hoist inclination prevention mounting structure according to claim 2, wherein: the surface of the rotating shaft (61) is rotatably connected with a supporting plate (9) through a bearing, and the supporting plate (9) is fixed on the electric hoist shell (8).
5. The electric hoist inclination prevention mounting structure according to claim 1, wherein: both ends of the positive and negative threaded rod (2) are fixed with a sliding rod (10), and the diameter of the sliding rod (10) is smaller than the inner diameter of the threaded sleeve (5).
6. The tilt-preventing mounting structure for an electric hoist according to claim 3, wherein: one side of the inner cavity of the fixed frame (1) is provided with a pawl (11), and a ratchet wheel (12) meshed with the pawl (11) is fixed on the surface of the worm (71).
7. The electric hoist inclination prevention mounting structure according to claim 1, wherein: fixed frame (1) are kept away from one side of rotation axis (61) and are fixed with fixed section of thick bamboo (13), the inner chamber activity of fixed section of thick bamboo (13) is provided with movable rod (14), the one end of movable rod (14) runs through to the inner chamber of fixed frame (1) and respectively with initiative sideboard (3) and the laminating of the surface of passive sideboard (4), the fixed surface of movable rod (14) is fixed with the spacing ring, the outside cover of movable rod (14) is equipped with supporting spring (15), supporting spring (15) are located between spacing ring and the fixed section of thick bamboo (13), the other end of movable rod (14) runs through fixed section of thick bamboo (13) and outwards extends.
8. The electric hoist inclination prevention mounting structure according to claim 6, wherein: a vertical groove (16) is formed in the bottom of the passive span plate (4), and the pawl (11) is located at the inner side of the vertical groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322031838.4U CN220351524U (en) | 2023-07-31 | 2023-07-31 | Anti-tilting mounting structure of electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322031838.4U CN220351524U (en) | 2023-07-31 | 2023-07-31 | Anti-tilting mounting structure of electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220351524U true CN220351524U (en) | 2024-01-16 |
Family
ID=89505387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322031838.4U Active CN220351524U (en) | 2023-07-31 | 2023-07-31 | Anti-tilting mounting structure of electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220351524U (en) |
-
2023
- 2023-07-31 CN CN202322031838.4U patent/CN220351524U/en active Active
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