CN216711471U - Lifting device - Google Patents
Lifting device Download PDFInfo
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- CN216711471U CN216711471U CN202121304856.XU CN202121304856U CN216711471U CN 216711471 U CN216711471 U CN 216711471U CN 202121304856 U CN202121304856 U CN 202121304856U CN 216711471 U CN216711471 U CN 216711471U
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- lifting
- lead screw
- connecting rod
- screw
- transmission
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Abstract
The utility model discloses a lifting device which comprises a lifting mechanism and a lead screw driving mechanism, wherein the lifting mechanism comprises a lifting mounting seat and a lifting platform, the lifting platform is arranged on the lifting mounting seat, the lead screw driving mechanism is transversely arranged, the lifting platform is in transmission connection with the lead screw driving mechanism through a connecting rod, and the lead screw driving mechanism drives the lifting platform to move up and down along the lifting mounting seat through the connecting rod. The lifting device comprises a lifting mechanism and a lead screw driving mechanism, when the lifting device works, a nut of the lead screw driving mechanism moves forwards or backwards along a lead screw and drives two ends of a connecting rod to swing relatively, so that a lifting platform is lifted or lowered.
Description
Technical Field
The utility model relates to the technical field of robots, in particular to a lifting device.
Background
In industries such as automatic production and logistics transportation, it is often necessary to lift an object to a certain height by a lifting device for the next work. The conventional lifting device commonly comprises a screw rod type lifting device and a connecting rod type lifting device, wherein the screw rod type lifting device occupies a larger space in the lifting direction, and is not beneficial to saving the space.
The above-mentioned lifting device needs to be improved to further simplify the overall structure thereof and improve the flexibility of use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting device, which combines a screw rod structure and a connecting rod structure, saves lifting space on the premise of ensuring the lifting height, and has a simple control mode.
In order to realize the purpose, the utility model adopts the following technical scheme:
lifting device, including lifting mechanism and lead screw actuating mechanism, lifting mechanism is including lifting mount pad and lifting platform, lifting platform locates on the lifting mount pad, lead screw actuating mechanism transversely sets up, lifting platform with lead screw actuating mechanism passes through the connecting rod transmission and connects, lead screw actuating mechanism passes through the connecting rod drive lifting platform edge lifting mount pad reciprocates.
Compared with the prior art, the lifting device comprises the lifting mechanism and the lead screw driving mechanism, when the lifting device works, the nut of the lead screw driving mechanism moves forwards or backwards along the lead screw and drives the two ends of the connecting rod to swing relatively, so that the lifting platform is lifted or lowered, the driving mode is simple, the complex operation control stroke is not needed, and the lead screw driving mechanism is transversely arranged, so that the overall height of the lifting device can be reduced, and the space in the lifting direction is saved.
Preferably, the screw driving mechanism comprises a transmission screw pair and a driving motor, the transmission screw pair is arranged on the side of the lifting mounting seat, the driving motor provides driving force for the transmission screw pair, one end of the connecting rod is connected with a sliding block of the transmission screw pair, and the other end of the connecting rod is connected with the lifting table. In the scheme, the driving screw pair is driven to work through the driving motor, so that the screw slides along the screw rod and drives one end of the connecting rod to move in the horizontal direction, and the other end of the connecting rod rises or falls to drive the lifting table to vertically move along the lifting mounting seat.
Preferably, the lifting mechanism further comprises a lifting guide rail structure, the lifting guide rail structure comprises a lifting slide rail and a lifting slide block, the lifting slide rail is arranged on the lifting installation seat, the lifting slide block is arranged on the lifting platform, and the lifting platform is arranged on the lifting slide rail in a sliding manner through the lifting slide block.
Preferably, lead screw actuating mechanism still includes lead screw mount pad, translation seat and translation guide rail structure, the vice, the translation guide rail structure of transmission lead screw all establishes in on the lead screw mount pad, just translation guide rail structure is located the vice downside of lead screw transmission, the translation seat is equipped with the mesopore that runs through its level both ends, and it establishes through the mesopore cover on the vice screw of transmission lead screw, and pass through translation guide rail structure locates with sliding on the lead screw mount pad, the connecting rod with the translation seat is connected. The screw driving mechanism is structurally designed specifically, is stable and simple in structure and is convenient to process and assemble.
Preferably, the translation seat and the lifting platform are both provided with hinged structures, and the connecting rod is respectively connected with the transverse moving platform and the lifting platform through the hinged structures.
In order to realize the installation and fixation of the driving motor, the screw rod driving mechanism further comprises a motor installation seat, the driving motor is arranged on the motor installation seat, and an output shaft of the driving motor is connected with a screw rod of the transmission screw rod pair through a coupler
Preferably, the lifting platform comprises a tray and a connecting block, the connecting block is vertically arranged and is connected with the lifting guide rail structure, and the tray is arranged on the upper side of the connecting block.
Preferably, the maximum included angle between the connecting rod and the horizontal plane is less than or equal to 45 degrees. The scheme can shorten the maximum stroke of the translation seat, thereby saving horizontal space.
Preferably, the length of the connecting rod is set to be equal to the lifting height of the lifting platform.
Drawings
FIG. 1 is a schematic view of the structure of the present invention 1;
FIG. 2 is a schematic structural diagram of the present invention 2;
FIG. 3 is a schematic structural diagram 3 of the present invention;
FIG. 4 is a schematic structural diagram 4 of the present invention;
FIG. 5 is a schematic structural view of a lifting mechanism;
FIG. 6 is a schematic view of the screw drive mechanism;
FIG. 7 is a schematic view of a trip analysis of the present invention;
FIG. 8 is a force analysis diagram of the present invention.
Description of reference numerals:
the lifting mechanism 1, the lead screw driving mechanism 2, the lifting mounting base 11, the lifting platform 12, the tray 121, the connecting block 122, the lifting guide rail structure 14, the lifting slide rail 15, the lifting slider 16, the connecting rod 4, the transmission lead screw pair 21, the driving motor 22, the lead screw mounting base 23, the translation base 24, the middle hole 25, the translation guide rail structure 26, the translation guide rail 27, the translation slider 28, the motor mounting base 29, the first mounting plate 30, the second mounting plate 31, the connecting bearing 32 and the coupling 33.
Detailed Description
The technical scheme of the utility model is further explained according to the attached drawings as follows:
in the description of the present invention, it is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "horizontal", "inner", "outer", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, cannot be construed as limiting the present invention. The fixed connection comprises traditional fixed connection modes such as screw connection, riveting and the like.
As shown in fig. 1-6, the present invention discloses a lifting device, which includes a lifting mechanism 1 and a screw rod driving mechanism 2, wherein the lifting mechanism 1 includes a lifting mounting base 11 and a lifting platform 12, the lifting platform 12 is disposed on the lifting mounting base 11, the screw rod driving mechanism 2 is transversely disposed, the lifting platform 12 is in transmission connection with the screw rod driving mechanism 2 through a connecting rod 4, and the screw rod driving mechanism 2 drives the lifting platform 12 to move up and down along the lifting mounting base 11 through the connecting rod 4.
The screw driving mechanism 2 comprises a transmission screw pair 21 and a driving motor 22, the transmission screw pair 21 is arranged on the side portion of the lifting mounting seat 11, the driving motor 22 provides driving force for the transmission screw pair 21, one end of the connecting rod 4 is connected with a sliding block of the transmission screw pair, and the other end of the connecting rod is connected with the lifting table 12. In the scheme, the driving motor 22 drives the transmission screw pair to work, so that the screw slides along the screw, one end of the connecting rod 4 is driven to move in the horizontal direction, and the other end of the connecting rod 4 rises or falls so as to drive the lifting platform 12 to move vertically along the lifting installation seat 11.
The lifting mechanism 1 further comprises a lifting guide rail structure 14, the lifting guide rail structure 14 comprises a lifting slide rail 15 and a lifting slide block 16, the lifting slide rail 15 is arranged on the lifting mounting base 11, the lifting slide block 16 is arranged on the lifting table 12, and the lifting table 12 is slidably arranged on the lifting slide rail 15 through the lifting slide block 16.
Above-mentioned lead screw actuating mechanism 2 still include lead screw mount pad 23, translation seat 24 and translation guide 27 structure 26, the vice, translation guide 27 structure 26 of transmission lead screw all establishes and locates on the lead screw mount pad 23, just translation guide 27 structure 26 is located the vice downside of lead screw drive, translation seat 24 is equipped with the mesopore 25 that runs through its horizontal both ends, and it establishes through mesopore 25 cover on the screw of the vice 21 of transmission lead screw, and through translation guide 27 structure 26 is located with sliding on the lead screw mount pad 23, connecting rod 4 with translation seat 24 is connected. The screw driving mechanism 2 is structurally designed specifically, and the screw driving mechanism 2 is stable and simple in structure and convenient to process and assemble.
In an embodiment, the structure 26 of the translation guide rail 27 includes a translation slide rail and a translation slider 28, the translation slide rail is disposed on the screw rod installation seat, the translation slider 28 is disposed at the bottom of the translation seat 24, and the translation slider 28 is slidably connected with the translation guide rail 27.
In an embodiment, the screw rod mounting seat includes two longitudinally arranged first mounting plates 30 and a second mounting plate 31 connected to the lower sides of the two first mounting plates 30, the translation guide 27 structure 26 is arranged on the upper end surface of the second mounting plate 31, the upper side of the first mounting plate 30 is provided with a connecting bearing 32, and both ends of the screw rod of the transmission screw rod pair 21 are connected with the connecting bearing 32.
The translation seat 24 and the lifting platform 12 are both provided with a hinge structure, and the connecting rod 4 is respectively connected with the translation platform and the lifting platform 12 through the hinge structures.
In order to realize the installation and fixation of the driving motor 22, the screw driving mechanism 2 further comprises a motor installation seat 29, the driving motor 22 is arranged on the motor installation seat, and an output shaft of the driving motor 22 is connected with a screw rod of the transmission screw pair 21 through a coupler 33.
In an embodiment, the lifting platform 12 includes a tray 121 and a connecting block 122, the connecting block 122 is vertically disposed and connected to the lifting rail structure 14, and the tray 121 is disposed on an upper side of the connecting block 122.
In one embodiment, the maximum included angle between the connecting rod 4 and the horizontal plane is less than or equal to 45 degrees. The present solution can shorten the maximum stroke of the translation seat 24, thereby saving horizontal space.
In one embodiment, the length of the connecting rod 4 is set to be equal to the lifting height of the lifting table 12.
The working principle is as follows:
1. assuming that the stroke of the translation seat 24 is X, the stroke of the lifting platform 12 is Y, and when the initial position is reached, the linear distance between the two ends of the connecting rod 4 is a, the horizontal distance between the two ends of the connecting rod 4 is B, and the vertical distance is C, it can be known from fig. 7: y ═ V (A ^2- (B-X) ^2) -C.
2. As can be seen from fig. 8, if F1 is F2, and G1 is G2, the force required by the screw is F2 is G1/tan D, and according to the trigonometric function, when D is greater than 45 °, F2 is less than G1, when D is less than 45 °, F2 is greater than G1, and when D is equal to 45 °, F2 is G1. Namely, when D is less than 45 degrees, the lifting mechanism 1 is a labor-saving and stroke-saving lifting mechanism 1, and when D is more than 45 degrees, the mechanism is the labor-saving and stroke-saving lifting mechanism 1.
Compared with the prior art, the lifting device comprises the lifting mechanism 1 and the lead screw driving mechanism 2, when the lifting device works, a nut of the lead screw driving mechanism 2 moves forwards or backwards along a lead screw and drives two ends of the connecting rod 4 to swing relatively, so that the lifting table 12 is lifted or lowered, the driving mode is simple, complicated operation is not needed for controlling the stroke, and the lead screw driving mechanism 2 is transversely arranged, so that the overall height of the lifting device can be reduced, and the space in the lifting direction is saved.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. Lifting device, its characterized in that: including lifting mechanism and lead screw actuating mechanism, lifting mechanism is including lifting the mount pad and lifting platform, lifting platform locates on the lift mount pad, lead screw actuating mechanism transversely sets up, lifting platform with lead screw actuating mechanism passes through the connecting rod transmission and connects, lead screw actuating mechanism passes through the connecting rod and drives lifting platform edge lifting the mount pad reciprocates.
2. The lifting device of claim 1, wherein: the screw driving mechanism comprises a transmission screw pair and a driving motor, the transmission screw pair is arranged on the side portion of the lifting mounting seat, the driving motor provides driving force for the transmission screw pair, one end of the connecting rod is connected with a sliding block of the transmission screw pair, and the other end of the connecting rod is connected with the lifting table.
3. The lifting device of claim 2, wherein: the lifting mechanism further comprises a lifting guide rail structure, the lifting guide rail structure comprises a lifting slide rail and a lifting slide block, the lifting slide rail is arranged on the lifting installation seat, the lifting slide block is arranged on the lifting platform, and the lifting platform is arranged on the lifting slide rail in a sliding mode.
4. The lifting device of claim 2, wherein: lead screw actuating mechanism still includes lead screw mount pad, translation seat and translation guide rail structure, transmission lead screw is vice, translation guide rail structure all locates on the lead screw mount pad, just translation guide rail structure is located the vice downside of lead screw transmission, the translation seat is equipped with the mesopore that runs through its level both ends, and it is established through the mesopore cover on the vice screw of transmission lead screw, and pass through translation guide rail structure locates with sliding on the lead screw mount pad, the connecting rod with the translation seat is connected.
5. A lifting device according to claim 4, characterized in that: the translation seat with all be equipped with hinge structure on the lift table, the connecting rod passes through hinge structure is connected with sideslip platform, lift table respectively.
6. The lifting device as recited in claim 2, further comprising: the screw driving mechanism further comprises a motor mounting seat, the driving motor is arranged on the motor mounting seat, and an output shaft of the driving motor is connected with a screw rod of the transmission screw pair through a coupler.
7. A lifting device according to claim 1, characterized in that: the lifting platform comprises a tray and a connecting block, the connecting block is vertically arranged and is connected with the lifting guide rail structure, and the tray is arranged on the upper side of the connecting block.
8. A lifting device according to any one of claims 1-7, characterized in that: the maximum included angle between the connecting rod and the horizontal plane is set to be less than or equal to 45 degrees.
9. A lifting device according to any one of claims 1-7, characterized in that: the length of the connecting rod is set to be equal to the lifting height of the lifting platform.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772649 | 2020-08-21 | ||
| CN2020217726492 | 2020-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216711471U true CN216711471U (en) | 2022-06-10 |
Family
ID=81872156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121304856.XU Active CN216711471U (en) | 2020-08-21 | 2021-06-10 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216711471U (en) |
-
2021
- 2021-06-10 CN CN202121304856.XU patent/CN216711471U/en active Active
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