CN211594897U

CN211594897U - Lifting platform

Info

Publication number: CN211594897U
Application number: CN202020135894.6U
Authority: CN
Inventors: 梅海平; 方承利; 黄一冬
Original assignee: Hangzhou Forklift Gantry Co ltd
Current assignee: Hangzhou Forklift Gantry Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-09-29
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a lifting platform relates to elevating gear's technical field. In prior art, the elevating platform adopts external air pump or hydraulic pump to provide power for the elevating platform body more, leads to power supply and elevating platform body to be the structure of disconnect-type to the removal of inconvenient elevating platform. This scheme includes: the lifting device comprises a base and a workbench arranged above the base, wherein a plurality of groups of lifting devices are arranged between the base and the workbench, and each group of lifting devices comprises two groups of symmetrically arranged lifting mechanisms; the lifting mechanism comprises a fixed seat, a first supporting rod rotationally connected with the fixed seat and a gear rotationally connected with the fixed seat, the gear is fixedly connected with the first supporting rod, one end of the first supporting rod, far away from the fixed seat, is rotationally connected with a second supporting rod, and one end of the second supporting rod, far away from the first supporting rod, is rotationally connected with the workbench; the lifting platform also comprises a motor driving device. This scheme has compact structure, the characteristics of convenient transport.

Description

Lifting platform

Technical Field

The utility model belongs to the technical field of elevating gear's technique and specifically relates to a lifting platform is related to.

Background

The lifting platform is a hoisting machine for vertically transporting people or objects. Also refers to equipment for vertical conveying in logistics systems such as factories and automatic warehouses, and various plane conveying equipment is often arranged on the lifting platform and is used as a connecting device for conveying lines with different heights. The device is widely applied to high-altitude installation, maintenance and other operations besides being used for conveying goods with different heights. The characteristic that the elevating platform freely goes up and down has been widely used in scenes such as municipal maintenance, dock, logistics center freight transportation, building decoration at present.

In the prior art, for example, patent document CN104925692B, the patent uses an air cylinder as power to lift the lifting platform body, and the air cylinder needs an external air source or an air pump to provide power for the air cylinder. Or like patent application with patent publication No. CN107555349A, this patent uses the pneumatic cylinder as power to go up and down to the elevating platform body, and adopts the external hydraulic pump of pneumatic cylinder needs, provides power for the pneumatic cylinder. And adopt external air pump or hydraulic pump to provide power for the elevating platform body, lead to power supply and elevating platform body to be the structure of disconnect-type to inconvenient elevating platform's removal.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a lifting platform, this scheme has compact structure, the function of convenient transport, in order to realize foretell purpose, the utility model discloses a following technical scheme:

the utility model provides a lifting platform, includes the base and installs in base top and the workstation parallel with the base, its characterized in that: a plurality of groups of lifting devices which are arranged in parallel are arranged between the base and the workbench, and each group of lifting devices comprises two groups of symmetrically arranged lifting mechanisms; the lifting mechanism comprises a fixed seat, a first supporting rod rotationally connected with the fixed seat and a gear rotationally connected with the fixed seat, the gear is fixedly connected with the first supporting rod, the axis of the gear is the same as the axis of the first supporting rod rotating around the fixed seat, one end of the first supporting rod, far away from the fixed seat, is rotationally connected with a second supporting rod, and one end of the second supporting rod, far away from the first supporting rod, is rotationally connected with the workbench; the lifting platform also comprises a motor driving device for driving the gear to rotate.

By adopting the technical scheme, the gear can be driven to rotate through the motor driving device, the gear can drive the first supporting rod to rotate, the first supporting rod drives the second supporting rod to rotate, and the second supporting rod upwards jacks up the workbench, so that the lifting of the workbench can be controlled. Because the gear is driven by the motor driving device, the lifting platform and the driving source are of an integrated structure, so that the lifting platform has the functions of compact structure and convenient carrying.

The lifting device comprises two groups of lifting devices, each group of lifting devices comprises a rack, one end of each rack is meshed with the lower surface of the gear of one group of lifting mechanisms, the other end of each rack is meshed with the upper surface of the gear of the other group of lifting mechanisms, a synchronizing rod is connected between the two racks of the two groups of lifting devices and is perpendicular to the racks, and each motor driving device further comprises a motor assembly for driving the synchronizing rods to move along the length direction of the racks.

Through adopting above-mentioned technical scheme, through the effect of rack with the synchronizing bar, can link four gears to make the public a power supply of four gears, just can realize the lift action of elevating platform promptly through single motor element, thereby further strengthened the compact structure nature of elevating platform, and the synchronism of elevating platform.

And further setting, two guide sleeves are sleeved on the racks in a sliding manner and are arranged at the upper end of the base.

By adopting the technical scheme, the guide sleeve is arranged, so that the rack is tightly meshed with the gear when moving along the connecting line direction of the two groups of lifting devices, and the gear jumping is prevented from occurring in the rotating process of the rack and the gear, and the working stability of the lifting platform is prevented from being influenced.

And universal wheels are further arranged around the lower part of the base.

Through adopting above-mentioned technical scheme, set up the universal wheel, the removal and the transport of convenient elevating platform that can be further improve the practicality of elevating platform.

Further, a plurality of oil buffers are installed at the upper end of the base.

By adopting the technical scheme, when the workbench descends to the bottommost point, the hard contact between the work and the base can be avoided through the buffering action of the hydraulic buffer, so that the workbench stably descends to the bottommost point, and the service life of the lifting platform is prolonged; meanwhile, the height of the hydraulic buffer can be adjusted, and the lowest point of the workbench can be finely adjusted.

Further setting, the operation panel parallel with the workstation is installed to the workstation top, the operation panel can be dismantled with the workstation and be connected the setting.

Through adopting above-mentioned technical scheme, set up the detachable operation panel, can make things convenient for the replacement of the operation panel of equidimension not to adapt to the lift of elevating platform to different materials, thereby strengthened the compatibility of elevating platform.

Further setting, all be equipped with the baffle that upwards extends around the operation panel.

Through adopting above-mentioned technical scheme, set up the baffle, can prevent that the material from dropping around from the operation panel, avoid the material that falls to injure operating personnel by a crashing object to the security of elevating platform has been strengthened.

Further, a rubber layer is laid on the upper surface of the operating platform.

Through adopting above-mentioned technical scheme, set up the rubber layer, can avoid material and operation panel to appear colliding with through the cushioning effect on rubber layer to and avoid the material with the fish tail on operation panel surface, improved the practicality of elevating platform.

To sum up, the utility model discloses a following at least one useful technological effect:

1. in the scheme, the lifting device and the motor driving device are arranged, so that the lifting platform is compact in structure and convenient to carry;

2. in the scheme, the universal wheels are arranged, so that the lifting platform is further convenient to move and carry;

3. in the scheme, the hydraulic buffer is arranged, so that the worktable can descend more stably, and the service life of the lifting platform is prolonged;

4. in this scheme, set up the detachable operation panel, can make things convenient for the replacement of the not operation panel of equidimension, strengthened the compatibility of elevating platform.

Drawings

Fig. 1 is a schematic three-dimensional axial view of a first embodiment of the present invention;

fig. 2 is an isometric view of a first embodiment of the present invention.

In the figure, 1, a base; 2. a work table; 3. a universal wheel; 4. a lifting device; 5. a lifting mechanism; 6. a fixed seat; 7. a first support bar; 8. a gear; 9. a second support bar; 11. a rack; 12. a commutation structure; 13. a synchronization lever; 14. a motor assembly; 15. a guide sleeve; 16. a screw rod; 17. a drive motor; 18. a hydraulic shock absorber; 19. an operation table; 20. and a baffle plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 and 2, for the lifting platform disclosed by the present invention, the lifting platform comprises a rectangular base 1 and a rectangular worktable 2 installed right above the base 1, the base 1 and the worktable 2 are arranged in parallel, four universal wheels 3 are uniformly distributed around the lower part of the base 1, two sets of lifting devices 4 arranged in parallel are installed between the base 1 and the worktable 2, and each set of lifting devices 4 comprises two sets of symmetrically arranged lifting mechanisms 5; the lifting mechanism 5 comprises a fixed seat 6, a first supporting rod 7 rotationally connected with the fixed seat 6 and a gear 8 rotationally connected with the fixed seat 6, the gear 8 is fixedly connected with the first supporting rod 7, the axis of the gear 8 is the same as the axis of the first supporting rod 7 rotating around the fixed seat 6, one end of the first supporting rod 7, far away from the fixed seat 6, is rotationally connected with a second supporting rod 9, and one end of the second supporting rod 9, far away from the first supporting rod 7, is rotationally connected with the workbench 2; the elevating platform is still including drive gear 8 pivoted motor drive (not shown in the figure), and motor drive gear 8 rotates, and gear 8 can drive first bracing piece 7 and rotate, and first bracing piece 7 drives second bracing piece 9 and rotates, and second bracing piece 9 then upwards jacks up workstation 2 at the rotation in-process to can control the lift of workstation 2.

Each group of lifting devices 4 comprises a rack 11, one end of the rack 11 is meshed with the lower surface of a gear 8 of one group of lifting mechanism 5, the other end of the rack 11 is meshed with the upper surface of a gear 8 of the other group of lifting mechanism 5, the middle part of the rack 11 comprises a Z-shaped reversing structure 12, so that one end of the rack 11 is meshed with the lower surface of the gear 8 of one group of lifting mechanism 5, the other end of the rack is meshed with the upper surface of the gear 8 of the other group of lifting mechanism 5, a synchronizing rod 13 is connected between the two racks 11 of the two groups of lifting devices 4, the synchronizing rod 13 is perpendicular to the rack 11, and the motor driving device further comprises a motor assembly 14 for driving the synchronizing rod 13 to move along the length direction of the rack 11. The two racks 11 are all slidably sleeved with guide sleeves 15, and the two guide sleeves 15 are all fixed at the upper end of the base 1 through bolts. The motor assembly 14 comprises a screw rod 16, the screw rod 16 penetrates through the synchronizing rod 13 in a rotating mode, the screw rod 16 is parallel to the upper surface of the base 1 and is perpendicular to the synchronizing rod 13, and a driving motor 17 is installed at one end of the screw rod 16. The driving motor 17 is started to drive the screw rod 16 to rotate, so that the synchronizing rod 13 drives the two racks 11 to move along the length direction of the racks 11, and the gear 8, the first supporting rod 7 and the second supporting rod 9 are driven to rotate to lift or lower the lifting platform.

A plurality of oil buffers 18 are installed at the upper end of the base 1, and the plurality of oil buffers 18 are uniformly distributed on the upper surface of the base 1. When the working platform 2 descends to the bottommost point, the hard contact between the working platform and the base 1 can be avoided through the buffering action of the hydraulic buffer 18, so that the working platform 2 stably descends to the bottommost point, and the service life of the lifting platform is prolonged; since the hydraulic shock absorber 18 is screwed to the base 1, the height of the hydraulic shock absorber 18 can be adjusted to finely adjust the lowest point of the table 2.

An operating platform 19 parallel to the operating platform 2 is arranged above the operating platform 2, and the operating platform 19 and the operating platform 2 are fixedly connected through bolts; set up detachable operation panel 19, can make things convenient for the replacement of the 19 operation panels of equidimension not to adapt to the lift of elevating platform to different materials. The periphery of the operating platform 19 is provided with baffle plates 20 extending upwards; preventing the material from falling from around the console 19. The upper surface of the console 19 is covered with a rubber layer (not shown in the figure); the material is prevented from colliding with the operation table 19 through the buffer effect of the rubber layer, and meanwhile, the material is prevented from scratching the surface of the operation table 19.

The implementation principle of the embodiment is as follows: when the elevating platform needs to be lifted, the driving motor 17 is started, the driving motor 17 drives the screw rod 16 to rotate, the screw rod 16 drives the rack 11 to move along the length direction of the rack 11, the rack 11 is meshed with the gear 8, the rack 11 drives the gear 8 to rotate, the gear 8 is fixedly connected with the first supporting rod 7, the gear 8 drives the first supporting rod 7 to rotate around the fixing seat 6, then the first supporting rod 7 drives the second supporting rod 9 to rotate, and the two lifting mechanisms 5 of each group of lifting devices 4 are mutually matched, so that the operating platform 2 can move upwards.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a lifting platform, includes base (1) and installs in base (1) top and with workstation (2) that base (1) is parallel, its characterized in that: a plurality of groups of lifting devices (4) which are arranged in parallel are arranged between the base (1) and the workbench (2), and each group of lifting devices (4) comprises two groups of symmetrically arranged lifting mechanisms (5);

the lifting mechanism (5) comprises a fixed seat (6), a first supporting rod (7) rotatably connected with the fixed seat (6) and a gear (8) rotatably connected with the fixed seat (6), the gear (8) is fixedly connected with the first supporting rod (7), the axis of the gear (8) is the same as the axis of the first supporting rod (7) rotating around the fixed seat (6), one end, far away from the fixed seat (6), of the first supporting rod (7) is rotatably connected with a second supporting rod (9), and one end, far away from the first supporting rod (7), of the second supporting rod (9) is rotatably connected with the workbench (2); the lifting platform also comprises a motor driving device for driving the gear (8) to rotate.

2. An elevator platform according to claim 1, wherein: two groups of lifting devices (4) are arranged, each group of lifting devices (4) comprises a rack (11), one end of each rack (11) is meshed with the lower surface of the gear (8) of one group of lifting mechanisms (5), and the other end of each rack (11) is meshed with the upper surface of the gear (8) of the other group of lifting mechanisms (5); two racks (11) of two sets of elevating gear (4) are connected with synchronizing bar (13) between, synchronizing bar (13) set up with rack (11) are perpendicular, motor drive is still including driving motor element (14) that synchronizing bar (13) removed along the length direction of rack (11).

3. An elevator platform according to claim 2, wherein: two all sliding sleeves are sleeved with guide sleeves (15) on the racks (11), and the guide sleeves (15) are all installed at the upper end of the base (1).

4. An elevator platform according to claim 1, wherein: universal wheels (3) are uniformly distributed on the periphery of the lower portion of the base (1).

5. An elevator platform according to claim 1, wherein: a plurality of oil buffers (18) are arranged at the upper end of the base (1).

6. An elevator platform according to claim 1, wherein: workstation (19) parallel with workstation (2) are installed to workstation (2) top, workstation (19) can be dismantled with workstation (2) and be connected the setting.

7. An elevator platform as claimed in claim 6, wherein: baffle plates (20) extending upwards are arranged on the periphery of the operating platform (19).

8. An elevator platform as claimed in claim 6, wherein: and a rubber layer is laid on the upper surface of the operating platform (19).