CN215635984U - Movable lifting device based on gear transmission - Google Patents
Movable lifting device based on gear transmission Download PDFInfo
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- CN215635984U CN215635984U CN202122038977.0U CN202122038977U CN215635984U CN 215635984 U CN215635984 U CN 215635984U CN 202122038977 U CN202122038977 U CN 202122038977U CN 215635984 U CN215635984 U CN 215635984U
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- gear
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- threaded rod
- rod
- lifting mechanism
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 230000009347 mechanical transmission Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
A movable lifting device based on gear transmission comprises a shell, a cross rod, universal wheels, a rotating handle, a slider device, a gear lifting mechanism, a gear supporting frame and outer rods, wherein two outer rods are respectively installed at two ends of the upper side of the shell; the cross bar is arranged between the two outer bars and is fixedly connected by the sliding block device; the four universal wheels are arranged below the shell; the rotating handle is arranged on the right side of the shell and is connected with the rotating rod; the two sliding block devices are arranged between the cross rod and the outer rod; the gear lifting mechanism is mainly in the shell, a threaded rod on the gear lifting mechanism is arranged outside the shell, and the threaded rod is sleeved on the threaded rod; two gear support frames are inside the housing. The slider device is matched with the gear lifting mechanism, the cross rod can be adjusted to any height, and the gear supporting frame fixes the gear on the cross rod, so that the gear can be prevented from inclining.
Description
Technical Field
The utility model belongs to the technical field of gear transmission in mechanical transmission, and particularly relates to a movable lifting device based on gear transmission.
Background
The mechanical transmission refers to transmission for transmitting power and motion in a mechanical mode, and the types of common mechanical transmission systems include gear transmission, worm and gear transmission, belt transmission, chain transmission, gear trains and the like. Among them, gear transmission is one of the most widely used transmission forms in mechanical transmission. Its advantages are high accuracy, efficiency and reliability, compact structure and long service life. When the gear is driven, the tooth profiles of two wheels meet the following conditions: "regardless of whether the two-wheel tooth profiles are in contact at any position, the common normal line passing through the contact point must pass through the fixed point C-node on the center line. "this is the basic law of meshing profiles of the teeth of a circular gear.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a movable lifting device based on gear transmission.
In order to achieve the purpose, the utility model adopts the following technical scheme.
A movable lifting device based on gear transmission comprises a shell, a cross rod, universal wheels, a rotating handle, a sliding block device, a gear lifting mechanism, a gear supporting frame and outer rods, wherein the shell is tetrahedral, and two outer rods are respectively installed at two ends of the upper side of the shell; the cross bar is arranged between the two outer bars and is fixedly connected by the sliding block device; the four universal wheels are arranged below the shell; the rotating handle is arranged on the right side of the shell and is connected with the rotating rod; the two sliding block devices are arranged between the cross rod and the outer rod; the gear lifting mechanism is mainly in the shell, a threaded rod on the gear lifting mechanism is arranged outside the shell and is horizontally parallel to the outer rod, and the threaded rod is sleeved on the threaded rod; two gear support frames are inside the housing. The slider device is matched with the gear lifting mechanism, the cross rod can be adjusted to any height, and the gear supporting frame fixes the gear on the cross rod, so that the gear can be prevented from inclining.
The sliding block device comprises a threaded rod sleeve opening, a threaded rod sleeve, a sliding rail and a sliding block, wherein the threaded rod sleeve opening is arranged in the center of the threaded rod sleeve, and the interior of the threaded rod sleeve opening is in a rotating thread shape; the threaded rod sleeve is connected with the cross rod; the sliding rail is arranged in the middle of the outer rod; the slider is installed on the right side of the threaded rod sleeve. The threaded rod sleeve opening can fix the threaded rod by utilizing internal rotating threads; the slide rail can make the slider be difficult for droing more when going up and down.
The gear lifting mechanism comprises two anti-falling covers, a threaded rod, a driven gear shaft, a driven gear, a rotary rod and a driving gear, wherein the two anti-falling covers are arranged at the top ends of the two threaded rods; the two threaded rods are arranged on the driven gear shafts, and the two driven gear shafts are fixed on the gear supporting frame; the driven gear is connected with the driven gear shaft and is arranged in the gear supporting frame; the driving gears are arranged in the gear support frame and vertically meshed with the driven gears, and the two driving gears penetrate through the rotating rod and are fixed on the rotating rod. The anti-drop cover can prevent the threaded rod sleeve from dropping off in the lifting process; the rotating rod rotates to drive the driving gear to rotate, and the driving gear drives the driven gear meshed with the driving gear to rotate.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a portable elevating gear based on gear drive, adopts hand device, and is easier to master, and artifical accurate control goes up and down, and cost of labor and use cost are low.
2. The bottom of the device adopts a universal wheel device, and the device is allowed to rotate horizontally by 360 degrees; the device is convenient to move, and the space can be effectively saved.
3. The lifting mechanism can drive the driven gear through the driving gear, so that the lifting of the device is easily realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic rear view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic view of the slider arrangement of the present invention;
fig. 5 is a schematic view of the gear elevating mechanism of the present invention.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1, 2 and 3, a gear transmission-based movable lifting device includes a housing 1, a cross bar 2, a universal wheel 3, a rotating handle 4, a slider device 5, a gear lifting mechanism 6, a gear support frame 7 and outer rods 8, wherein the housing 1 is a tetrahedron, and two outer rods 8 are respectively mounted at two ends of the upper side of the housing 1; the cross bar 2 is placed between the two outer bars 8 and is connected and fixed by the sliding block device 5; four universal wheels 3 are arranged below the shell 1; the rotating handle 4 is arranged at the right side of the shell 1 and is connected with a rotating rod 65; the two sliding block devices 5 are arranged between the cross rod 2 and the outer rod 8; the gear lifting mechanism 6 is mostly arranged in the shell 1, a threaded rod 62 on the gear lifting mechanism 6 is arranged outside the shell 1 and is horizontally parallel to the outer rod 8, and a threaded rod sleeve 52 is arranged on the threaded rod 62; two gear supports 7 are inside the housing 1. The universal wheels 3 can move the utility model freely; the gear support frame 7 can fix the gear on the gear support frame 7; the gear lifting mechanism 6 is lifted to drive the screw rod sleeve 52 to slide on the slide rail 53.
Referring to fig. 4, the slider device 5 includes a threaded rod socket 51, a threaded rod socket 52, a slide rail 53, and a slider 54, wherein the threaded rod socket 51 is located at the center of the threaded rod socket 52, and the interior of the threaded rod socket 51 is in a shape of a rotating thread; the threaded rod sleeve 52 is connected with the cross rod 2; the slide rail 53 is arranged in the middle of the outer rod 8; the slider 54 is mounted on the right side of the threaded rod sleeve 52. When the gear lifting mechanism 6 is lifted, the threaded rod sleeve 52 is driven to move, and the sliding block 54 on the threaded rod sleeve 52 also moves on the sliding rail 53. The threads of the threaded shank pocket 51 are rotated to engage the threads on the threaded shank 62.
Referring to fig. 5, the gear lifting mechanism 6 includes two anti-falling covers 61, a threaded rod 62, a driven gear shaft 63, a driven gear 64, a rotating rod 65, and a driving gear 66, wherein the two anti-falling covers 61 are mounted on the top ends of the two threaded rods 62; the two threaded rods 62 are arranged on the driven gear shafts 63, and the two driven gear shafts 63 are fixed on the gear support frame 7; the driven gear 64 is connected with the driven gear shaft 63 and is arranged inside the gear supporting frame 7; the driving gears 66 are arranged in the gear support frame 7 and vertically meshed with the driven gears 64, and the two driving gears 66 penetrate through the rotating rod 65 and are fixed on the rotating rod 65. The anti-drop cover 61 prevents the threaded rod sleeve 52 from dropping off when moving to the topmost end of the threaded rod 62; two driving gears 66 are fixed on the rotating rod 65; the two drive gears 66 rotate to drive the two driven gears 64 engaged therewith, and the driven gears 64 drive the threaded rods 62 connected thereto.
The operation and running process of the utility model are as follows:
when a user is ready to use the present invention, the present invention is dragged to a proper position, and then the rotating handle 4 is shaken to rotate the rotating rod 65, the rotating rod 65 drives the two driving gears 66 to rotate, the two driving gears 66 drive the two driven gears 64 engaged with the two driving gears 66 when rotating, and the driven gears 64 drive the connected threaded rods 62. After the threaded rod 62 rotates, the threaded rod sleeve 52 on the threaded rod 62 drives the connected cross rod 2 to move downwards together, when the cross rod 2 moves to a proper position, an object is hung on the cross rod 2, and then the rotating handle 4 is rotated reversely, so that the cross rod 2 rises to a proper position.
Claims (3)
1. A movable lifting device based on gear transmission is characterized by comprising a shell (1), a cross rod (2), universal wheels (3), a rotating handle (4), a sliding block device (5), a gear lifting mechanism (6), a gear supporting frame (7) and outer rods (8), wherein the shell (1) is a tetrahedron, and two outer rods (8) are respectively installed at two ends of the upper side of the shell (1); the cross rod (2) is arranged between the two outer rods (8) and is connected and fixed by the sliding block device (5); four universal wheels (3) are arranged below the shell (1); the rotating handle (4) is arranged on the right side of the shell (1) and is connected with the rotating rod (65); the two sliding block devices (5) are arranged between the cross rod (2) and the outer rod (8); most of the volume of the gear lifting mechanism (6) is arranged in the shell (1), a threaded rod (62) on the gear lifting mechanism (6) is arranged outside the shell (1) and is horizontally parallel to the outer rod (8), and a threaded rod sleeve (52) is arranged on the threaded rod (62); the two gear supporting frames (7) are arranged inside the shell (1).
2. The movable lifting device based on gear transmission is characterized in that the sliding block device (5) comprises a threaded rod sleeve opening (51), a threaded rod sleeve (52), a sliding rail (53) and a sliding block (54), wherein the threaded rod sleeve opening (51) is arranged in the center of the threaded rod sleeve (52), and the interior of the threaded rod sleeve opening (51) is in a rotating thread shape; the threaded rod sleeve (52) is connected with the cross rod (2); the sliding rail (53) is arranged in the middle of the outer rod (8); the slide block (54) is arranged on the right side of the threaded rod sleeve (52).
3. The movable lifting device based on gear transmission is characterized in that the gear lifting mechanism (6) comprises two anti-falling covers (61), a threaded rod (62), a driven gear shaft (63), a driven gear (64), a rotating rod (65) and a driving gear (66), wherein the two anti-falling covers (61) are arranged at the top ends of the two threaded rods (62); two threaded rods (62) are arranged on the driven gear shafts (63), and the two driven gear shafts (63) are fixed on the gear supporting frame (7); the driven gear (64) is connected with the driven gear shaft (63) and is arranged inside the gear supporting frame (7); the driving gears (66) are arranged in the gear support frame (7) and vertically meshed with the driven gear (64), and the two driving gears (66) penetrate through the rotating rod (65) and are fixed on the rotating rod (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038977.0U CN215635984U (en) | 2021-08-27 | 2021-08-27 | Movable lifting device based on gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038977.0U CN215635984U (en) | 2021-08-27 | 2021-08-27 | Movable lifting device based on gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215635984U true CN215635984U (en) | 2022-01-25 |
Family
ID=79903024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122038977.0U Active CN215635984U (en) | 2021-08-27 | 2021-08-27 | Movable lifting device based on gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215635984U (en) |
-
2021
- 2021-08-27 CN CN202122038977.0U patent/CN215635984U/en active Active
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