CN111646381B - Stable electric pulley - Google Patents
Stable electric pulley Download PDFInfo
- Publication number
- CN111646381B CN111646381B CN202010342668.XA CN202010342668A CN111646381B CN 111646381 B CN111646381 B CN 111646381B CN 202010342668 A CN202010342668 A CN 202010342668A CN 111646381 B CN111646381 B CN 111646381B
- Authority
- CN
- China
- Prior art keywords
- rotating
- gear
- worm
- protective cover
- shell
- 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
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 244000309464 bull Species 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating 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
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect 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
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
-
- 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
- B66D1/12—Driving gear incorporating electric motors
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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
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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
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/42—Control devices non-automatic
- B66D1/46—Control devices non-automatic electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/0141—Electrically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a stable electric pulley, and relates to the technical field of power maintenance auxiliary tools; the lifting device comprises a shell, an upper lifting hook positioned at the upper end of the shell, a lower lifting hook positioned below the shell, a pull rope with the lower end connected to the lower lifting hook, a winding roller rotatably connected in the shell and used for winding the pull rope, a rotating shaft penetrating through the winding roller and rotatably connected with the shell, and a rotating mechanism used for rotating the rotating shaft; the rotating mechanism comprises a worm wheel connected with the 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 to 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. When the winding roller is used, the electric wrench is connected with the rotating head, the rotating head rotates to drive the worm to rotate, and the worm wheel rotates to drive the rotating shaft to rotate, so that the winding roller can stably run.
Description
Technical Field
The invention belongs to the technical field of power maintenance auxiliary tools, and particularly relates to a stable electric pulley.
Background
When power maintenance, need carry heavy object, 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 a heavy object to be carried, the heavy object is lifted up by the pulley, and then the pulley is directly dragged to slide on the cable; has the technical effects of time saving and labor saving.
However, the existing pulley is manually retracted and extended, and after long-time operation, the lifting speed of a heavy object becomes slow, and the working efficiency is unstable.
Disclosure of Invention
The invention aims to overcome the defect of unstable working efficiency in the prior art, and provides a stable electric tackle which is stable in working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a stable electric tackle comprises a shell, an upper lifting hook positioned at the upper end of the shell, a lower lifting hook positioned below the shell, a pull rope with the lower end connected to the lower lifting hook, a winding roller rotatably connected in the shell and used for winding the pull rope, a rotating shaft penetrating through the winding roller and rotatably connected with the shell, and a rotating mechanism used for rotating the rotating shaft; the rotating mechanism comprises a worm wheel connected with the 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 to 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. When the winding roller is used, the electric wrench is connected with the rotating head, the rotating head rotates to drive the worm to rotate, and the worm wheel rotates to drive the rotating shaft to rotate, so that the winding roller can stably run.
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 bearing adopts a thrust bearing, and the worm has good stability.
Preferably, the worm wheel is detachably connected with the rotating shaft. The maintenance is convenient.
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 upper hook is rotatably connected to the housing. The connection is convenient.
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.
Preferably, the cross section of the end of the rotating head far away from the worm is hexagonal. The structure is simple.
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 rotating rod; one end of the pull rope, which is far away from the winding roller, 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 efficiency is higher.
Preferably, a friction layer for increasing the rotation resistance of the rotating shaft is arranged between the rotating shaft and the shell. When the speed is switched, the pull rope is pulled down by hands, so that the rotating rod is convenient to rotate.
Preferably, the speed-up gear element and the speed-down gear element are both of an integrally formed construction. Is convenient for production.
The invention has the beneficial effects that: the invention provides a stable electric pulley which is stable in working efficiency; the working efficiency is high.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is an exploded view of example 1;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a sectional view of a transmission mechanism according to embodiment 2;
fig. 5 is a schematic view of fig. 4 after hanging a weight.
In the figure: the device comprises a shell 1, an upper lifting hook 2, a lower lifting hook 3, a pull rope 4, a winding roller 5, 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 is explained in further detail below with reference to the figures and the detailed description:
example 1:
see fig. 1 to 3; the utility model provides an electronic coaster of stable form, includes shell 1, rotates to connect last lifting hook 2 in shell 1 upper end, be located the lower lifting hook 3 of shell 1 below, the stay cord 4 of lower lifting hook 3 is connected to the lower extreme, rotate the winding roller 5 that is used for twining stay cord 4 of connecting in shell 1, pass winding roller 5 and rotate pivot 6, the slewing mechanism who is used for rotating pivot 6 of being connected with shell 1.
The rotating mechanism comprises a worm wheel 7 connected with the rotating shaft 6, a protective cover 8 sleeved on the worm wheel 7, a worm 24 which is rotatably connected in the protective cover 8 and is matched with the worm wheel 7, a rotating head 9 which is fixedly connected at the end part of the worm 24 and is used for being matched with a wrench, and bearings 10 which are positioned at two ends of the worm 24 and are used for reducing the rotating friction force between the worm 24 and the protective cover 8; the rotating head 9 penetrates through the side wall of the protective cover 8; the cross section of one end of the rotating head 9 far away from the worm 24 is hexagonal; 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 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 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.
Principle of embodiment:
the heavy object is hung on the lower lifting hook 3, then the rotating mechanism runs, the lower lifting hook 3 rises, and then the pulley slides to the appointed place along the cable.
The running process of the rotating mechanism is as follows: by using the electric wrench, the rotating head 9 is rotated, the rotating head 9 drives the worm 24 to rotate, and the worm wheel 7 is driven to rotate, so that the rotating shaft 6 is driven to rotate.
Example 2:
see fig. 4-5; the utility model provides an electronic coaster of stable form, its characterized in that includes shell 1, is located the last lifting hook 2 of shell 1 upper end, is located lower lifting hook 3 of shell 1 below, the stay cord 4 of lower extreme connection on lower lifting hook 3, rotates winding roller 5, the pivot 6 that passes winding roller 5 and rotate with shell 1 and be connected, the slewing mechanism who is used for rotating pivot 6 of connecting in shell 1.
The rotating mechanism comprises a worm wheel 7 connected with the rotating shaft 6, a protective cover 8 sleeved on the worm wheel 7, a worm 24 which is rotatably connected in the protective cover 8 and is matched with the worm wheel 7, a rotating head 9 which is fixedly connected at the end part of the worm 24 and is used for being matched with a wrench, and bearings 10 which are positioned at two ends of the worm 24 and are 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 end of the pulling rope 4 far away from the winding roller 5 is wound from the upper side of the supporting rod 18 and then droops.
The accelerating gear element comprises a first small gear 20 meshed with the driving gear 16 and a first large gear 21 with the radius larger than that of the first small gear 20, the first large gear 21 is fixedly connected with the first small gear 20 and coaxial with the first small gear 20, the first large gear 21 is meshed with the driven gear 14, and a coil spring which applies torsional force to the rotating rod 15 to enable the first small gear 20 to be meshed on the driving gear 16 is arranged between the rotating rod 15 and the protective cover 8.
The reduction gear element includes a second small gear 22 for meshing with the driven gear 14, a second large gear 23 meshing with the driving gear 16 when the driven gear 14 meshes with the second small gear 22, the second large gear 23 having a larger radius than the second small gear 22.
The accelerating gear element and the decelerating gear element are both of an integrally formed structure.
Principle of embodiment:
before the lower lifting hook 3 is hung on 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, drive the rotating shaft 6 to rotate, and drive the winding roller 5 to rotate, so that the lower lifting hook 3 can be quickly lifted.
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, the winding roller 5 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 pull rope 4 slowly pulls up the heavy object, after the heavy object is pulled up, the hand is released, the pulling force of the hand is replaced by the gravity of the heavy object, and under the action of the gravity of the heavy object, the reduction gear element is always tightly meshed with the driving gear 16 and the driven gear 14.
The invention can switch the lifting speed, the lifting speed is higher before hanging the heavy object, the lower lifting hook 3 is quickly positioned, the lifting speed is lower after hanging the heavy object, the safety is good, and the rotation resistance of the worm 24 is small.
Claims (8)
1. A stable electric tackle is characterized by comprising a shell, an upper lifting hook positioned at the upper end of the shell, a lower lifting hook positioned below the shell, a pull rope with the lower end connected to the lower lifting hook, a winding roller rotatably connected in the shell and used for winding the pull rope, a rotating shaft penetrating through the winding roller and rotatably connected with the shell, and a rotating mechanism used for rotating the rotating shaft;
the rotating mechanism comprises a worm wheel connected with the 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 to 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 two ends of the worm are provided with the rotating heads, the bearing is sleeved on the rotating heads, 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;
one side of the worm gear is fixedly connected with a driving gear coaxial with the worm gear, a driven gear coaxial with the rotating shaft is connected in the protective cover in a rotating mode, the driven gear is fixedly connected with the rotating shaft, a rotating rod is arranged in the protective cover, the middle of the rotating rod is rotatably connected to the protective cover, the upper end of the rotating rod is rotatably connected with an accelerating gear element, the lower end of the rotating rod is rotatably connected with a decelerating gear element, an arc-shaped sliding groove is formed in the protective cover, a supporting rod used for supporting a pulling rope is connected in the sliding groove in a sliding mode, and a connecting rod used for connecting the supporting rod and the rotating rod is arranged between the supporting rod and the rotating rod;
one end of the pull rope, which is far away from the winding roller, 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.
2. The stabilized electric scooter as claimed in claim 1, wherein said worm gear is removably connected to said shaft.
3. The stable electric pulley of claim 2, wherein a through hole is formed in the center of the worm wheel for inserting the rotating shaft, and a limiting groove is formed in the through hole for limiting the relative rotation between the worm wheel and the rotating shaft.
4. The stabilized power tackle of claim 1, wherein said upper hook is rotatably connected to said housing.
5. The stable electric scooter as claimed in claim 1, wherein the protective cover has reinforcing plates fixed to opposite sides thereof for preventing the protective cover from deforming at the rotating head, the rotating head passes through the corresponding reinforcing plate, and the reinforcing plates are attached to the protective cover.
6. The stabilized electric scooter as claimed in claim 1, wherein said end of said rotatable head remote from said worm screw is hexagonal in cross-section.
7. The stabilized electric scooter as claimed in claim 1, wherein a friction layer is provided between said shaft and said housing for increasing the rotational resistance of said shaft.
8. The stabilized electric scooter of claim 1, wherein said accelerating and decelerating gear elements are of one-piece construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010342668.XA CN111646381B (en) | 2020-04-27 | 2020-04-27 | Stable electric pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010342668.XA CN111646381B (en) | 2020-04-27 | 2020-04-27 | Stable electric pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111646381A CN111646381A (en) | 2020-09-11 |
| CN111646381B true CN111646381B (en) | 2021-07-27 |
Family
ID=72345414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010342668.XA Expired - Fee Related CN111646381B (en) | 2020-04-27 | 2020-04-27 | Stable electric pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111646381B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2643018Y (en) * | 2003-08-22 | 2004-09-22 | 姜黎明 | Kinetic energy storage and release device |
| CN201538105U (en) * | 2009-12-04 | 2010-08-04 | 徐峰 | Multifunctional core |
| CN201651184U (en) * | 2010-04-23 | 2010-11-24 | 南京理工大学 | Two-gear speed change mechanism for small mobile robot |
| CN201795002U (en) * | 2010-04-01 | 2011-04-13 | 长沙贤盛发科技发展有限公司 | Radial speed changing device |
| CN204237496U (en) * | 2014-07-15 | 2015-04-01 | 李卫民 | Electric block |
| CN107429801A (en) * | 2014-10-29 | 2017-12-01 | 权润九 | Speed changer |
| CN110332128A (en) * | 2019-07-05 | 2019-10-15 | 安徽省华晟塑胶股份有限公司 | New-energy automobile internal liquid circulation pumps driving assembly and its terminals processing method |
-
2020
- 2020-04-27 CN CN202010342668.XA patent/CN111646381B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2643018Y (en) * | 2003-08-22 | 2004-09-22 | 姜黎明 | Kinetic energy storage and release device |
| CN201538105U (en) * | 2009-12-04 | 2010-08-04 | 徐峰 | Multifunctional core |
| CN201795002U (en) * | 2010-04-01 | 2011-04-13 | 长沙贤盛发科技发展有限公司 | Radial speed changing device |
| CN201651184U (en) * | 2010-04-23 | 2010-11-24 | 南京理工大学 | Two-gear speed change mechanism for small mobile robot |
| CN204237496U (en) * | 2014-07-15 | 2015-04-01 | 李卫民 | Electric block |
| CN107429801A (en) * | 2014-10-29 | 2017-12-01 | 权润九 | Speed changer |
| CN110332128A (en) * | 2019-07-05 | 2019-10-15 | 安徽省华晟塑胶股份有限公司 | New-energy automobile internal liquid circulation pumps driving assembly and its terminals processing method |
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| Publication number | Publication date |
|---|---|
| CN111646381A (en) | 2020-09-11 |
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