CN212503744U - Transmission connection structure of electric pulley - Google Patents
Transmission connection structure of electric pulley Download PDFInfo
- Publication number
- CN212503744U CN212503744U CN202020668673.5U CN202020668673U CN212503744U CN 212503744 U CN212503744 U CN 212503744U CN 202020668673 U CN202020668673 U CN 202020668673U CN 212503744 U CN212503744 U CN 212503744U
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- China
- Prior art keywords
- gear
- worm
- protective cover
- rotating
- connection structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 244000309464 bull Species 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
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- 230000003028 elevating effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Abstract
The utility model discloses a transmission connecting structure of an electric pulley, relating to the technical field of electric pulley parts; the worm gear is connected with a rotating shaft, a protective cover is sleeved on the worm gear, a worm which is rotatably connected in the protective cover and is matched with the worm gear, a rotating head which is fixedly connected to the end part of the worm and is used for being matched with a wrench, and bearings which are positioned at two ends of the worm and are used for reducing the rotating friction force between the worm and the protective cover; the rotating head penetrates through the side wall of the protective cover. The rotating head is connected with an electric wrench, the rotating head rotates to drive the worm to rotate, the worm drives the worm wheel to rotate to drive the rotating shaft to rotate, and therefore the stretching rope wound on the rotating shaft is wound and unwound.
Description
Technical Field
The utility model belongs to the technical field of electric block spare part, in particular to transmission connection structure of electric block.
Background
When power maintenance, need handling tool, manpower transport is more time-consuming and laboursome, and if drive transport is unrealistic in the mountain area.
The upper end of the pulley is hung on the cable, the lower end of the pulley is hooked with the object to be carried, and then the pulley is directly dragged to slide on the cable; has the technical effects of time saving and labor saving.
The existing pulley comprises a shell, an upper lifting hook used for hanging the pulley on a cable, a lower lifting hook used for hanging a heavy object, a pull rope with the lower end connected to the lower lifting hook, a rotating shaft located in the shell and used for winding the upper end of the pull rope, and a transmission connecting structure used for rotating the rotating shaft.
The existing transmission connecting structure has low working efficiency.
Disclosure of Invention
The utility model aims at overcoming the shortcoming that prior art work efficiency is low, providing a transmission connection structure of electronic coaster, joinable electric spanner, work efficiency is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a transmission connecting structure of an electric pulley comprises a worm wheel connected with a rotating shaft, a protective cover sleeved on the worm wheel, a worm rotatably connected in the protective cover and matched with the worm wheel, a rotating head fixedly connected at the end part of the worm and used for being matched with a wrench, and bearings positioned at two ends of the worm and used for reducing the rotating friction force between the worm and the protective cover; the rotating head penetrates through the side wall of the protective cover. The rotating head is connected with an electric wrench, the rotating head rotates to drive the worm to rotate, the worm drives the worm wheel to rotate to drive the rotating shaft to rotate, and therefore the stretching rope wound on the rotating shaft is wound and unwound.
Preferably, the two ends of the worm are respectively provided with the rotating head, the bearing sleeve is arranged on the rotating head, one side of the bearing is abutted against the worm, and the other end of the bearing is abutted against the inner wall of the protective cover. The worm rotates stably.
Preferably, the worm wheel is detachably connected with the rotating shaft. Is convenient for maintenance.
Preferably, the center of the worm wheel is provided with a through hole for inserting the rotating shaft, and a limiting groove for limiting the relative rotation of the worm wheel and the rotating shaft is arranged in the through hole. The structure is simple.
Preferably, the opposite sides rigid coupling of safety cover has and is used for preventing that the safety cover from taking place the reinforcing plate of deformation in rotation head department, it passes corresponding reinforcing plate to rotate the head, the reinforcing plate laminating is on the safety cover. The performance is stable.
Preferably, the cross section of the end of the rotating head far away from the worm is hexagonal.
Preferably, a driving gear coaxial with the worm gear is fixedly connected to one side of the worm gear, a driven gear coaxial with the rotating shaft is rotatably connected to the protective cover, the driven gear is fixedly connected to the rotating shaft, a rotating rod is rotatably connected to the protective cover at the middle part of the protective cover, an accelerating gear element is rotatably connected to the upper end of the rotating rod, a decelerating gear element is rotatably connected to the lower end of the rotating rod, an arc-shaped chute is formed in the protective cover, a supporting rod for supporting a pull rope is slidably connected to the chute, and a connecting rod for connecting the supporting rod and the rotating rod is arranged between the supporting rod and the; one end of the pull rope, which is far away from the rotating shaft, is wound from the upper side of the support rod and then sags; the accelerating gear element comprises a first pinion meshed with the driving gear and a first bull gear with the radius larger than that of the first pinion, the first bull gear is fixedly connected with and coaxial with the first pinion, the first bull gear is meshed with the driven gear, and a coil spring which applies torsional force to the rotating rod to enable the first pinion to be meshed on the driving gear is arranged between the rotating rod and the protective cover; the reduction gear element includes a second pinion gear for meshing with the driven gear, a second bull gear meshing with the driving gear when the driven gear meshes with the second pinion gear, the second bull gear having a radius larger than that of the second pinion gear. The speed change is realized by utilizing the gravity of the heavy object, and the use is efficient.
Preferably, the rotating shaft is provided with a friction layer for increasing the rotation resistance of the rotating shaft. When the pull rope is pulled, the rotating shaft is prevented from rotating; the rotating rod is convenient to rotate.
Preferably, the speed-up gear element is of an integrally formed construction. Is convenient for production.
Preferably, the reduction gear element is of an integrally formed construction. Is convenient for production.
The utility model has the advantages that: the utility model provides a transmission connecting structure of an electric pulley, which can be connected with an electric wrench and has high working efficiency; the speed can be changed.
Drawings
FIG. 1 is a schematic view of the embodiment 1 after being mounted on a carrier;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic view of example 2;
FIG. 5 is a schematic view of example 2 after hanging a weight.
In the figure: the device comprises an upper lifting hook 2, a lower lifting hook 3, a pull rope 4, a rotating shaft 6, a worm wheel 7, a protective cover 8, a rotating head 9, a bearing 10, a through hole 11, a limiting groove 12, a reinforcing plate 13, a driven gear 14, a rotating rod 15, a driving gear 16, a sliding groove 17, a supporting rod 18, a connecting rod 19, a first small gear 20, a first large gear 21, a second small gear 22, a second large gear 23 and a worm 24.
Detailed Description
The invention will be further explained in detail with reference to the drawings and the following detailed description:
example 1:
see fig. 1 to 3; a transmission connecting structure of an electric pulley comprises a worm wheel 7 connected with a rotating shaft 6, a protective cover 8 sleeved on the worm wheel 7, a worm 24 rotatably connected in the protective cover 8 and matched with the worm wheel 7, a rotating head 9 fixedly connected at the end part of the worm 24 and used for being matched with a wrench, and bearings 10 positioned at two ends of the worm 24 and used for reducing the rotating friction force between the worm 24 and the protective cover 8; the swivel head 9 passes through the side wall of the protective cover 8. The both ends of worm 24 all are equipped with rotate head 9, bearing 10 cover is established and is rotated on head 9, bearing 10 one side is supported and is leaned on worm 24, the bearing 10 other end supports and leans on 8 inner walls of safety cover. The worm wheel 7 is detachably connected with the rotating shaft 6. The center of worm wheel 7 is equipped with the via hole 11 that supplies pivot 6 to insert, be equipped with in the via hole 11 and be used for restricting worm wheel 7 and pivot 6 and take place relative pivoted spacing groove 12. The opposite both sides rigid coupling of safety cover 8 has and is used for preventing that safety cover 8 from taking place the reinforcing plate 13 of deformation in rotation head 9 department, it passes corresponding reinforcing plate 13 to rotate head 9, reinforcing plate 13 laminating is on safety cover 8. The cross section of the end of the rotating head 9 far away from the worm 24 is hexagonal.
Principle of embodiment:
go up lifting hook 2 and hang on the cable, hang the thing that will carry on lower lifting hook 3, then slewing mechanism moves, and lower lifting hook 3 rises, then with the coaster along the cable slide to the appointed place can.
The running process of the rotating mechanism is as follows: utilize electric spanner, rotatory rotor 9, rotor 9 drives worm 24 and rotates, drives worm wheel 7 and rotates to drive pivot 6 and rotate, pivot winding stay cord realizes the lift of heavy object.
Example 2:
see fig. 4-5; a transmission connecting structure of an electric pulley is characterized by comprising a worm wheel 7 connected with a rotating shaft 6, a protective cover 8 sleeved on the worm wheel 7, a worm 24 rotatably connected in the protective cover 8 and matched with the worm wheel 7, a rotating head 9 fixedly connected at the end part of the worm 24 and matched with a wrench, and bearings 10 positioned at two ends of the worm 24 and used for reducing the rotating friction force between the worm 24 and the protective cover 8; the rotating shaft 6 is provided with a friction layer for increasing the rotating resistance of the rotating shaft 6; the swivel head 9 passes through the side wall of the protective cover 8.
Principle of embodiment:
the pull rope 4 is wound on the rotating shaft 6, and before the lower lifting hook 3 hangs a heavy object, the lower lifting hook 3 needs to be adjusted to the height of the heavy object; the worm 24 rotates to drive the worm wheel 7 to rotate, drive the first pinion 20 to rotate, drive the first gearwheel 21 to rotate, drive the driven gear 14 to rotate, and drive the rotating shaft 6 to rotate, so that the lower lifting hook 3 can be lifted quickly.
After the lower lifting hook 3 reaches the vicinity of a heavy object, the lower end of the pull rope 4 is firstly held by a hand, then the lower lifting hook is quickly pulled down, at the moment, due to the existence of a friction layer, a rotating shaft does not rotate, the pull rope 4 has downward pressure on the supporting rod 18, the supporting rod 18 slides downwards along the sliding groove 17, the rotating rod 15 rotates, the reduction gear element is meshed with the driving gear 16 and the driven gear 14, then the lower lifting hook 3 is connected with the heavy object, the pulling force of the hand on the pull rope 4 is kept, then the worm 24 is rotated, the heavy object is slowly pulled up by the pull rope 4, after the heavy object is pulled up, the hand is released, the gravity of the heavy object replaces the pulling force of the hand, and under the action of the gravity of the heavy object, the reduction.
The utility model discloses can switch elevating speed, before hanging the heavy object, elevating speed is very fast, realizes down 3 quick locations of lifting hook, after hanging the heavy object, and elevating speed is slower, and the security is good, and worm 24 turning resistance is little.
Claims (10)
1. A transmission connecting structure of an electric pulley is characterized by comprising a worm wheel connected with a rotating shaft, a protective cover sleeved on the worm wheel, a worm rotatably connected in the protective cover and matched with the worm wheel, a rotating head fixedly connected at the end part of the worm and used for being matched with a wrench, and bearings positioned at two ends of the worm and used for reducing the rotating friction force between the worm and the protective cover; the rotating head penetrates through the side wall of the protective cover.
2. The transmission connection structure of an electric pulley as claimed in claim 1, wherein the rotation head is provided at each end of the worm, the bearing is sleeved on the rotation head, one side of the bearing abuts against the worm, and the other end of the bearing abuts against the inner wall of the protective cover.
3. The transmission connection structure of an electric pulley according to claim 1, wherein the worm wheel is detachably connected to the rotating shaft.
4. The transmission connection structure of an electric pulley as claimed in claim 3, wherein a through hole for inserting the rotation shaft is formed in the center of the worm wheel, and a limiting groove for limiting the relative rotation between the worm wheel and the rotation shaft is formed in the through hole.
5. The transmission connection structure of an electric pulley as claimed in claim 1, wherein reinforcing plates are fixedly connected to opposite sides of the protecting cover for preventing the protecting cover from deforming at the rotating head, the rotating head passes through the corresponding reinforcing plates, and the reinforcing plates are attached to the protecting cover.
6. The transmission connection structure of an electric pulley as claimed in claim 1, wherein the cross section of the end of the rotating head away from the worm is hexagonal.
7. The transmission connection structure of an electric pulley according to claim 1, wherein a driving gear coaxial with the worm gear is fixedly connected to one side of the worm gear, a driven gear coaxial with the rotating shaft is rotatably connected to the protective cover, the driven gear is fixedly connected to the rotating shaft, a rotating rod rotatably connected to the protective cover is arranged in the protective cover, an accelerating gear element is rotatably connected to the upper end of the rotating rod, a decelerating gear element is rotatably connected to the lower end of the rotating rod, a sliding groove in an arc shape is formed in the protective cover, a supporting rod for supporting the pull rope is slidably connected to the sliding groove, and connecting rods for connecting the supporting rod and the rotating rod are arranged between the supporting rod and the rotating rod;
one end of the pull rope, which is far away from the rotating shaft, is wound from the upper side of the support rod and then sags;
the accelerating gear element comprises a first pinion meshed with the driving gear and a first bull gear with the radius larger than that of the first pinion, the first bull gear is fixedly connected with and coaxial with the first pinion, the first bull gear is meshed with the driven gear, and a coil spring which applies torsional force to the rotating rod to enable the first pinion to be meshed on the driving gear is arranged between the rotating rod and the protective cover;
the reduction gear element includes a second pinion gear for meshing with the driven gear, a second bull gear meshing with the driving gear when the driven gear meshes with the second pinion gear, the second bull gear having a radius larger than that of the second pinion gear.
8. The transmission connection structure of an electric pulley as set forth in claim 7, wherein a friction layer is formed on the shaft for increasing the rotation resistance of the shaft.
9. The drive connection structure of an electric block as claimed in claim 7, wherein the accelerating gear member is of an integrally formed structure.
10. The drive connection structure of an electric block as set forth in claim 7, wherein the reduction gear member is of an integrally molded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020668673.5U CN212503744U (en) | 2020-04-27 | 2020-04-27 | Transmission connection structure of electric pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020668673.5U CN212503744U (en) | 2020-04-27 | 2020-04-27 | Transmission connection structure of electric pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212503744U true CN212503744U (en) | 2021-02-09 |
Family
ID=74435161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020668673.5U Expired - Fee Related CN212503744U (en) | 2020-04-27 | 2020-04-27 | Transmission connection structure of electric pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212503744U (en) |
-
2020
- 2020-04-27 CN CN202020668673.5U patent/CN212503744U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |