CN217808561U - Rotary lifting device - Google Patents
Rotary lifting device Download PDFInfo
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- CN217808561U CN217808561U CN202123404795.7U CN202123404795U CN217808561U CN 217808561 U CN217808561 U CN 217808561U CN 202123404795 U CN202123404795 U CN 202123404795U CN 217808561 U CN217808561 U CN 217808561U
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Abstract
The utility model provides a rotatory lifting devices, rotatory lifting devices is located chassis underframe upper end, rotatory lifting devices is including lifting platform, link mechanism, power unit and lifting frame, link mechanism sets up lifting platform below, the lifting frame passes through power unit and through setting up in the one end that lifts the platform, and power unit includes lifting motor, reduction gear, motor synchronizing wheel, reduction gear synchronizing wheel, synchronous belt, intermeshing's driving gear and driven gear, the driving gear is located the output of reduction gear, driven gear locates on the lifting frame. The utility model discloses simple structure, have that the equilibrium is good, carry steadily, advantages such as simple structure.
Description
Technical Field
The utility model belongs to the automatic field of AGV especially relates to a rotatory lifting devices.
Background
In order to realize high automation and high-efficiency industrial automatic production, the AGVs are developed rapidly in China in recent years, and especially, the AGVs for conveying storage materials with small loads are mainly used. The jacking mechanism is used as an important mechanism on the AGV, so that the requirement on load is met, and the requirement on the size of the AGV body is very important, and the AGV body occupies a lower space as much as possible. In addition, in order to adapt to different requirements of the top-extending height of the AGV, accurate feedback of the top-extending height is an important part in the automatic conveying process. For many commodities, how to ensure that the transported articles are kept relatively still when the AGV adjusts various action position resources is also a research hotspot.
In the prior art, for example, chinese patent application No. CN201410327521.8, patent document 2014.12.10 is disclosed, which discloses a rotary jacking mechanism and an AGV trolley including the rotary jacking mechanism, and belongs to the field of automatic conveying devices. The rotary jacking mechanism comprises a base fixing plate, a rotary motor, a transmission assembly, a lead screw nut, a large bearing bracket, a large bearing and a hollow tray; the screw rod penetrates through the base fixing plate and is supported on the base fixing plate through a screw rod nut; the large bearing bracket, the large bearing and the tray are sequentially arranged on the screw rod from bottom to top; the rotating motor is in transmission connection with the transmission assembly, and the transmission assembly is in transmission connection with the tray and the lead screw. The AGV comprises two driving wheels, four universal wheels, a battery pack, two driving motors, a driving motor driver, a vehicle body frame, two control panels, a tray support, two right-angle driving motor reduction boxes, a navigation device and two infrared sensors. The invention has the advantages of flexible and compact structure, large load capacity, strong self-locking performance, stable rotation and lifting operation of the lead screw and capability of meeting the flexible transportation requirement.
However, foretell AGV, it lifts the decline and all rotates just can realize through screw-nut on the lead screw, like this, rotates the in-process and can't operate the goods of placing on AGV dolly, otherwise error easily appears, and this AGV dolly only supports through single lead screw, like this, if the goods is heavier, thereby the phenomenon that appears the weight when placing easily leads to tray 8 weight and loss of balance.
Disclosure of Invention
An object of the utility model is to provide a rotatory lifting device realizes lifting to lifting platform's stability, improves every swing arm wobbling stability and wholeness, has advantages such as the equilibrium is good, simple structure is stable.
In order to achieve the purpose, the rotary lifting device is arranged on the chassis frame and comprises a lifting platform, a connecting rod mechanism, a power mechanism and a lifting frame, wherein the connecting rod mechanism is arranged below the lifting platform, and the lifting frame is arranged at one end of the lifting platform through the power mechanism.
The power mechanism comprises a lifting motor, a speed reducer, a motor synchronizing wheel, a speed reducer synchronizing wheel, a synchronous belt, a driving gear and a driven gear which are meshed with each other, the lifting motor is arranged on one end of the lifting platform through a power mechanism mounting plate, the speed reducer is arranged on the power mechanism mounting plate below the lifting motor, the motor synchronizing wheel is arranged at the output end of the lifting motor, the speed reducer synchronizing wheel is arranged at the input end of the speed reducer, the motor synchronizing wheel is connected with the speed reducer synchronizing wheel through the synchronous belt, the driving gear is arranged at the output end of the speed reducer, and the driven gear is arranged on the lifting frame. The link mechanism comprises a first link assembly and a second link assembly, the first link assembly is arranged at the other end of the lifting platform, and the second link assembly is connected with the lifting frame.
The lifting frame is arranged at the output end of the power mechanism and comprises a lifting connecting rod structure and a fixing structure, the lifting connecting rod structure is arranged on the chassis frame through the fixing structure, and the lifting connecting rod structure is connected with the second connecting rod assembly; the fixed structure is also connected with a driven gear of the power mechanism.
Above setting, through the setting of first link assembly and second link assembly for when the drive lifts the platform and rises and descend, can guarantee to drive the both ends of lifting platform simultaneously, make the lift platform rise and descend balanced stable, can not appear wherein one end overweight and lead to lifting the unbalanced problem of platform.
Furthermore, the first connecting rod assembly comprises a first swing arm and a second swing arm, and one ends of the first swing arm and the second swing arm are hinged through a first middle hinge shaft; the other end of the first swing arm is hinged with the other end of the lifting platform through a first upper hinge shaft, and the other end of the second swing arm is hinged with the chassis frame through a first lower hinge shaft; the second connecting rod assembly comprises a third swing arm and a fourth swing arm, one end of the third swing arm is hinged to one end of the lifting platform through a second middle hinge shaft, the other end of the third swing arm is hinged to one end of the lifting platform through a second upper hinge shaft, and the other end of the fourth swing arm is hinged to the chassis frame through a second lower hinge shaft; the first upper hinge shaft and the second upper hinge shaft are connected with each other through a second synchronizing rod, and the first middle hinge shaft and the second middle hinge shaft are connected with each other through a first synchronizing rod; the second synchronizing bar is connected with the fixed structure.
Above setting, through the setting of first synchronizing bar and second synchronizing bar, only need drive one of them link assembly, can drive synchronous motion to two sets of link assembly, simple structure and useful.
Furthermore, the fixing structure comprises a first fixing shaft, a second fixing shaft and a fixing seat, the fixing seat is arranged on the chassis frame, the second fixing shaft is rotatably arranged on the fixing seat, a driven gear is arranged in the center of the second fixing shaft, and lifting link mechanisms are arranged on the second fixing shafts on two sides of the driven gear; the first fixed shaft is arranged on the second synchronous rod and is connected with the fixed seat.
Therefore, the driven gear rotates on the second fixed shaft to drive the lifting connecting rod mechanism to rotate, and the lifting connecting rod mechanism is driven to ascend and descend.
Furthermore, the lifting link mechanism comprises a first connecting rod, a second connecting rod and a rotating shaft, wherein one end of the first connecting rod is arranged on a first fixed shaft at two sides of the driven gear, one end of the second connecting rod is hinged with the other end of the first connecting rod, and the other end of the second connecting rod is hinged with a second upper hinged shaft; a rotating shaft is arranged between the first connecting rods on two sides of the driven gear, a groove corresponding to the rotating shaft is formed in the driven gear, and the rotating shaft is embedded into the groove.
According to the arrangement, through the arrangement of the lifting link mechanism, when the lifting platform needs to be lifted, the driven gear is driven to rotate upwards through the lifting motor, and the rotating shaft is embedded into the groove of the driven gear, so that when the driven gear rotates, the rotating shaft moves upwards along with the rotation of the driven gear, and then the first connecting rod connected to the rotating shaft is driven to move upwards, and further the second connecting rod hinged to the first connecting rod is driven to move, so that the second upper hinged shaft moves; when the lifting platform needs to be lowered, the driven gear is driven by the lifting motor to rotate downwards.
Further, the rotary lifting device further comprises a rotating mechanism, the rotating mechanism comprising:
the slewing bearing is rotatably arranged on the lifting platform, and an outer gear ring is arranged at the edge of the slewing bearing; a carrying platform is arranged on the slewing bearing;
a rotating gear for meshing with the outer ring gear;
the first driving mechanism is arranged at one end, far away from the power mechanism, of the lifting platform, and the output end of the first driving mechanism is connected with the rotating gear to drive the rotating gear to rotate so as to drive the slewing bearing to rotate.
Above setting, setting up the carrying platform through the outer ring gear at slewing bearing, placing article on the carrying platform, rotating the carrying platform as required and making, first actuating mechanism drive rotating gear, and then undetermined and rotating gear meshed slewing bearing rotates to drive carrying platform and rotate simple structure and effective.
Furthermore, the slewing bearing is of an annular structure with a hole in the middle, a bearing seat is arranged in the middle of the lifting platform, and the slewing bearing is rotatably arranged on the bearing seat and meshed with the rotating gear.
Through the arrangement, the rotary support cannot be connected with the lifting platform when rotating through the arrangement of the bearing seat.
Drawings
Fig. 1 is a schematic structural diagram of a rotary lifting device in an embodiment of the present invention at a first viewing angle.
Fig. 2 is a schematic structural view illustrating a connection between a rotary lifting device and a chassis frame according to an embodiment of the present invention.
Fig. 3 is an exploded view of a rotary lifting device in a second viewing angle according to an embodiment of the present invention.
Fig. 4 is an exploded view of a rotary lifting device in a third viewing angle according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a lifting frame according to an embodiment of the present invention.
Fig. 6 is a left side view of a rotary lifting device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, a rotary lifting device is provided on a chassis frame 8, the rotary lifting device 9 includes a lifting platform 1, a link mechanism 2, a power mechanism 3 and a lifting frame 4, the link mechanism 2 is provided below the lifting platform 1, and the lifting frame 4 is provided at one end of the lifting platform 1 through the power mechanism 3;
As shown in fig. 3 to 5, the link mechanism 2 includes a first link assembly 201 and a second link assembly 202, the first link assembly 201 is disposed at the other end of the lifting platform 1, and the second link assembly 202 is connected to the lifting frame 4.
The lifting frame 4 is arranged at the output end of the power mechanism 3, the lifting frame 4 comprises a lifting connecting rod structure 41 and a fixing structure 42, the lifting connecting rod structure 41 is arranged on the chassis frame 8 through the fixing structure 42, and the lifting connecting rod structure 41 is connected with a second connecting rod assembly; the fixed structure 42 is also connected to the driven gear 37 of the power mechanism 3.
Above setting, through the setting of first link assembly 201 and second link assembly 202 for when drive lift platform 1 goes up and descends, can guarantee to drive the both ends of lift platform 1 simultaneously, make lift platform 1's the balanced stability of going up and descending, can not appear wherein one end overweight and lead to lifting the unbalanced problem of platform 1.
The first link assembly 201 comprises a first swing arm 21 and a second swing arm 22, and one end of the first swing arm 21 and one end of the second swing arm 22 are hinged through a first middle hinge shaft 24; the other end of the first swing arm 21 is hinged with the other end of the lifting platform 1 through a first upper hinge shaft 23, and the other end of the second swing arm 22 is hinged with the chassis frame through a first lower hinge shaft 25; the second connecting rod assembly 202 comprises a third swing arm 26 and a fourth swing arm 27, one end of the third swing arm 26 and one end of the fourth swing arm 27 are hinged through a second middle hinge shaft 241, the other end of the third swing arm 26 is hinged with one end of the lifting platform 1 through a second upper hinge shaft 241, and the other end of the fourth swing arm 27 is hinged with the chassis frame 8 through a second lower hinge shaft 241; the first upper hinge shaft 23 and the second upper hinge shaft 231 are connected to each other by a second synchronizing rod 51, and the first middle hinge shaft 24 and the second middle hinge shaft 241 are connected to each other by a first synchronizing rod 50; the second synchronization rod 51 is connected to the fixed structure 42;
through the arrangement, only one of the connecting rod assemblies needs to be driven through the arrangement of the first synchronizing rod 50 and the second synchronizing rod 51, the two groups of connecting rod assemblies can be driven to synchronously act, and the structure is simple and useful.
The fixing structure 42 includes a first fixing shaft 421, a second fixing shaft 422 and a fixing base 423, the fixing base 423 is disposed on the chassis frame 8, the second fixing shaft 422 is rotatably disposed on the fixing base 423, a driven gear 37 is disposed in the center of the second fixing shaft 422, and lifting link mechanisms 41 are disposed on the second fixing shafts 422 on two sides of the driven gear 37; the first fixed shaft 421 is arranged on the second synchronous rod 51, and the first fixed shaft 421 is also connected with the fixed seat 423;
in this way, the driven gear 37 rotates on the second fixed shaft 422 to rotate the lifting link mechanism 41, thereby driving the link mechanism 2 to ascend and descend.
The lifting link mechanism 41 comprises a first connecting rod 411, a second connecting rod 412 and a rotating shaft, wherein one end of the first connecting rod 411 is arranged on a first fixed shaft 421 at two sides of the driven gear 37, one end of the second connecting rod 412 is hinged with the other end of the first connecting rod 411, and the other end of the second connecting rod 412 is hinged with a second upper hinge shaft 251; a rotating shaft 413 is arranged between the first connecting rods 411 at two sides of the driven gear 37, a groove 414 corresponding to the rotating shaft 413 is arranged on the driven gear 37, and the rotating shaft is embedded in the groove 414;
with the above arrangement, through the setting of the lifting link mechanism 41, when the lifting platform 1 needs to be lifted, the driven gear 37 is driven to rotate upwards by the lifting motor 31, because the rotating shaft 413 is embedded into the groove 414 of the driven gear, when the driven gear 37 rotates, the rotating shaft 413 moves upwards along with the rotation of the driven gear 37, so as to drive the first connecting rod 411 connected to the rotating shaft 413 to move upwards, and further drive the second connecting rod 412 hinged to the first connecting rod 411 to move, so as to move the second upper hinge shaft 251, because the first upper hinge shaft 25 and the second upper hinge shaft 251 are connected with each other through the second synchronizing rod 51, and the first middle hinge shaft 24 and the second middle hinge shaft 241 are connected with each other through the first synchronizing rod 50, when the second upper hinge shaft 251 moves, the first link assembly 201 can be synchronously driven to move upwards, so as to drive the lifting platform 1 arranged on the first link assembly 201 and the second link assembly 202 to lift; when the lifting platform 1 needs to be lowered, the driven gear 37 is driven by the lifting motor 31 to rotate downwards.
As shown in fig. 3 and 4, the rotary lifting device further includes a rotating mechanism 6, and the rotating mechanism 6 includes:
the slewing bearing 61 is rotatably arranged on the lifting platform, and an outer gear ring is arranged at the edge of the slewing bearing; a mounting platform 64 is provided on the slewing bearing;
a rotary gear 62 for meshing with the outer ring gear;
the first driving mechanism 63 is arranged at one end of the lifting platform 1 far away from the power mechanism 3, and the output end of the first driving mechanism is connected with the rotating gear 62 so as to drive the rotating gear 62 to rotate and further drive the pivoting support 61 to rotate.
Above setting, setting up the carrying platform through the outer ring gear at slewing bearing 61, placing article on the carrying platform, rotating the carrying platform when needs make, first actuating mechanism 63 drive rotating gear 62, and then undetermined slewing bearing 61 with rotating gear 62 meshing rotates to drive carrying platform and rotate simple structure and effective.
As shown in fig. 2 and 3, the rotary support 61 is in a ring structure with an opening in the middle, the bearing seat 12 is arranged in the middle of the lifting platform 1, and the rotary support 61 is rotatably arranged on the bearing seat 12 and meshed with the rotary gear 62.
The above arrangement, therefore, realizes that the rotation of the slewing bearing 61 does not affect the connection with the lifting platform 1 through the arrangement of the bearing seat 12.
Claims (6)
1. A rotary lifting device, the rotary lifting device is arranged on a chassis frame, and is characterized in that: the rotary lifting device comprises a lifting platform, a connecting rod mechanism, a power mechanism and a lifting frame, wherein the connecting rod mechanism is arranged below the lifting platform, and the lifting frame is arranged at one end of the lifting platform through the power mechanism;
the power mechanism comprises a lifting motor, a speed reducer, a motor synchronizing wheel, a speed reducer synchronizing wheel, a synchronous belt, a driving gear and a driven gear which are meshed with each other, the lifting motor is arranged at one end of the lifting platform through a power mechanism mounting plate, the speed reducer is positioned on the power mechanism mounting plate below the lifting motor, the motor synchronizing wheel is arranged at the output end of the lifting motor, the speed reducer synchronizing wheel is arranged at the input end of the speed reducer, the motor synchronizing wheel is connected with the speed reducer synchronizing wheel through the synchronous belt, the driving gear is arranged at the output end of the speed reducer, and the driven gear is arranged on the lifting frame;
the connecting rod mechanism comprises a first connecting rod assembly and a second connecting rod assembly, the first connecting rod assembly is arranged at the other end of the lifting platform, and the second connecting rod assembly is connected with the lifting frame;
the lifting frame is arranged at the output end of the power mechanism and comprises a lifting connecting rod structure and a fixing structure, the lifting connecting rod structure is arranged on the chassis frame through the fixing structure, and the lifting connecting rod structure is connected with the second connecting assembly; the fixed structure is also connected with a driven gear of the power mechanism.
2. A rotary lifting device according to claim 1, characterized in that: the first connecting rod assembly comprises a first swing arm and a second swing arm, and one ends of the first swing arm and the second swing arm are hinged through a first middle hinge shaft; the other end of the first swing arm is hinged with the other end of the lifting platform through a first upper hinge shaft, and the other end of the second swing arm is hinged with the chassis frame through a first lower hinge shaft; the second connecting rod assembly comprises a third swing arm and a fourth swing arm, one end of the third swing arm and one end of the fourth swing arm are hinged through a second middle hinge shaft, the other end of the third swing arm is hinged with one end of the lifting platform through a second upper hinge shaft, and the other end of the fourth swing arm is hinged with the chassis frame through a second lower hinge shaft; the first upper hinge shaft and the second upper hinge shaft are connected with each other through a second synchronizing rod, and the first middle hinge shaft and the second middle hinge shaft are connected with each other through a first synchronizing rod; the second synchronizing bar is connected with the fixed structure.
3. A rotary lifting device according to claim 1, characterized in that: the fixing structure comprises a first fixing shaft, a second fixing shaft and a fixing seat, the fixing seat is arranged on the chassis frame, the second fixing shaft is rotatably arranged on the fixing seat, a driven gear is arranged in the center of the second fixing shaft, and lifting connecting rod mechanisms are arranged on the second fixing shafts on two sides of the driven gear; the first fixed shaft is arranged on the second synchronous rod and is also connected with the fixed seat.
4. A rotary lifting device according to claim 3, characterized in that: the lifting connecting rod mechanism comprises a first connecting rod, a second connecting rod and a rotating shaft, one end of the first connecting rod is arranged on a first fixed shaft on two sides of the driven gear, one end of the second connecting rod is hinged with the other end of the first connecting rod, and the other end of the second connecting rod is hinged with a second upper hinged shaft; a rotating shaft is arranged between the first connecting rods on two sides of the driven gear, a groove corresponding to the rotating shaft is formed in the driven gear, and the rotating shaft is embedded into the groove.
5. A rotary lifting device according to claim 1, characterized in that:
the rotary lifting device further comprises a rotating mechanism, the rotating mechanism comprising:
the slewing bearing is rotatably arranged on the lifting platform, and an outer gear ring is arranged at the edge of the slewing bearing; a carrying platform is arranged on the slewing bearing;
a rotating gear for meshing with the outer ring gear;
the first driving mechanism is arranged at one end, far away from the power mechanism, of the lifting platform, and the output end of the first driving mechanism is connected with the rotating gear so as to drive the rotating gear to rotate and further drive the slewing bearing to rotate.
6. A rotary lifting device according to claim 5, characterized in that: the slewing bearing is of an annular structure with a hole in the middle, a bearing seat is arranged in the middle of the lifting platform, and the slewing bearing is rotatably arranged on the bearing seat and meshed with the rotating gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123404795.7U CN217808561U (en) | 2021-12-31 | 2021-12-31 | Rotary lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123404795.7U CN217808561U (en) | 2021-12-31 | 2021-12-31 | Rotary lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217808561U true CN217808561U (en) | 2022-11-15 |
Family
ID=83958561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123404795.7U Active CN217808561U (en) | 2021-12-31 | 2021-12-31 | Rotary lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217808561U (en) |
-
2021
- 2021-12-31 CN CN202123404795.7U patent/CN217808561U/en active Active
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