CN211770091U

CN211770091U - Lifting platform

Info

Publication number: CN211770091U
Application number: CN202020353960.7U
Authority: CN
Inventors: 刘宇航
Original assignee: Chongqing Liying Intelligent Science And Technology Research Institute Co ltd
Current assignee: Chongqing Liying Intelligent Science And Technology Research Institute Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-10-27
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a lifting platform which is arranged on a lifting track and comprises a lifting platform bracket, a lifting platform beam, a forklift and a driving mechanism, wherein the lifting platform bracket is connected with the lifting track in a sliding way; two ends of the lifting platform beam are fixedly connected with the bottoms of the two lifting platform supports to form a U shape; the forklift is arranged on the lifting platform beam, and a fork arm of the forklift can horizontally extend out along the direction vertical to the lifting platform beam; drive mechanism locates the below of elevating platform roof beam and with fork truck connects, drive mechanism can drive fork truck's yoke stretches out and retracts. At two platforms that the elevating platform goes up and down, the yoke through actuating mechanism drive fork truck stretches out and retracts to loading and unloading panel need not to be equipped with forklift or fork truck for the elevating platform, more need not to organize manpower loading and unloading panel, has practiced thrift the resource, labour saving and time saving and safety.

Description

Lifting platform

Technical Field

The utility model belongs to the material handling field, concretely relates to elevating platform.

Background

A large amount of plates need to be transported on a plate production line or a plate production and processing site, manual transportation is mainly adopted in the past, the labor intensity is high, the production efficiency is low, great potential safety hazards exist, mechanical equipment is gradually adopted to carry out automatic transportation later, plates often need to be transported between platforms with different elevations in the transportation process, and therefore the lifting platform is widely applied to actual production.

Present elevating platform is in the use, need earlier with forklift or fork truck in the panel workshop, even adopt the manual work to transport panel on the elevating platform, when the elevating platform rises or descends the platform of another elevation, need forklift or fork truck on another platform, adopt the manual work to lift panel off from the elevating platform even, two platforms that go up and down all need be equipped with forklift or fork truck for the elevating platform promptly, or organize manpower loading and unloading panel, the wasting of resources is serious, if adopt the manpower then waste time and energy, and there is the injured risk of messenger's workman.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art, the utility model aims at providing a lifting platform to solve present two platforms at the lift and all need be equipped with forklift truck or fork truck for the lifting platform, perhaps organize manpower loading and unloading panel, the wasting of resources is serious, if adopt the manpower then waste time and energy, and there is the problem that makes workman's injured risk.

In order to solve the technical problem, the utility model discloses a technical scheme is:

an elevating platform mounted on an elevating track, comprising:

the lifting platform bracket is connected with the lifting track in a sliding manner;

the two ends of the lifting platform beam are fixedly connected with the bottoms of the two lifting platform supports to form a U shape;

the forklift is arranged on the lifting platform beam, and a fork arm of the forklift can horizontally extend out along the direction vertical to the lifting platform beam; and

the driving mechanism is arranged below the lifting platform beam and connected with the forklift, and the driving mechanism can drive the fork arms of the forklift to extend and retract.

At two platforms that the elevating platform goes up and down, the yoke through actuating mechanism drive fork truck stretches out and retracts to loading and unloading panel need not to be equipped with forklift or fork truck for the elevating platform, more need not to organize manpower loading and unloading panel, has practiced thrift the resource, labour saving and time saving and safety.

Furthermore, a lifting suspension wheel is arranged on the lifting platform support, the shaft center line of the lifting suspension wheel is parallel to the lifting platform beam, and a groove is formed in the middle of the circumferential surface of the lifting suspension wheel. The lifting suspension wheel is used for hanging a steel wire rope, the steel wire rope drives the lifting platform to lift, and the middle part of the circumferential surface of the lifting suspension wheel is provided with a groove to prevent the steel wire rope from falling off.

Furthermore, a lifting guide wheel is arranged on the lifting platform support, and the wheel surface of the lifting guide wheel is abutted against the rail surface of the lifting rail. The lifting guide wheel can roll along the height direction on the rail surface of the lifting rail, and the lifting guide wheel enables the relative motion between the lifting platform support and the lifting rail to be rolling, so that friction is reduced, and driving force is saved.

Furthermore, a side guide wheel is arranged on the lifting platform support, and the wheel surface of the side guide wheel is abutted against the side surface of the lifting track. The side guide wheels are arranged to prevent the lifting platform support from inclining towards two sides of the lifting track, and the side guide wheels enable the lifting platform support and the side face of the lifting track to move relatively in a rolling mode, so that friction is reduced, and driving force is saved.

Furthermore, the side guide wheel is connected with the lifting platform bracket through an eccentric shaft. The provision of the eccentric shaft makes it easy for the tread of the side guide wheel to abut against the side face of the lifting rail.

Furthermore, a lifting platform pedal is arranged on the lifting platform beam, and two ends of the lifting platform pedal are fixedly connected with the two lifting platform beams. The lifting platform pedal is arranged, so that a worker can conveniently step on the lifting platform pedal during maintenance, and the structural strength between the two lifting platform beams can be enhanced.

Further, actuating mechanism includes driving piece, first gear, second gear, transmission shaft and third gear, the driving piece set firmly in the below of elevating platform roof beam and with the coaxial fixed connection of first gear, first gear and second gear all with the elevating platform roof beam rotates to be connected, first gear and second gear meshing, the third gear with the elevating platform roof beam rotates to be connected, the second gear with the third gear passes through the coaxial fixed connection of transmission shaft, the lower surface of fork truck's yoke is equipped with the rack, the second gear with one the rack toothing of fork truck's yoke, the third gear with another the rack toothing of fork truck's yoke. Through adopting the transmission shaft to connect the transmission between second gear and third gear for but mechanical synchronization, reliable and stable between two yoke of fork truck.

Compared with the prior art, the beneficial effects of the utility model are that:

1. set up fork truck on the elevating platform, the yoke through actuating mechanism drive fork truck stretches out and retracts to loading and unloading panel need not to be equipped with forklift truck or fork truck for the elevating platform, more need not to organize manpower loading and unloading panel, has practiced thrift the resource, labour saving and time saving and safety.

2. Set up lift leading wheel and side leading wheel, the elevating platform is steady when going up and down and is not rocked at will, makes the relative motion between elevating platform support and the lift track be the roll moreover, reduces the friction, saves drive power.

3. The fork arm of the forklift is driven by a gear rack mechanism, so that the transmission is stable; and the transmission shaft is used for connecting the second gear and the third gear, so that two fork arms of the forklift are mechanically synchronous, stable and reliable.

4. The mechanism is flexible, the use is convenient, and the applicability is strong.

Drawings

FIG. 1 is a three-dimensional block diagram of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a schematic view of the suspension wheel of the present invention;

fig. 4 is a schematic structural view of the eccentric shaft of the present invention;

fig. 5 is a schematic view of the driving mechanism of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or structures must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the present invention.

Referring to fig. 1 and 2, the lifting platform provided in this embodiment is installed on a lifting rail, and includes a lifting platform support 1, a lifting platform beam 2, a forklift 3, and a driving mechanism 4.

Referring to fig. 3 and 4, the lifting platform support 1 is slidably connected to the lifting rail. Specifically, lifting rail and elevating platform support 1 respectively are equipped with two, and two parallel relative settings of lifting rail, two elevating platform supports 1 respectively with two lifting rail sliding connection. The lifting platform support 1 is provided with a lifting suspension wheel 11, the axial center line of the lifting suspension wheel 11 is parallel to the lifting platform beam 2, and the middle part of the circumferential surface of the lifting suspension wheel 11 is provided with a groove 11 a. The lifting suspension wheel 11 is used for hanging a steel wire rope, the lifting platform is driven to lift through the steel wire rope, and the middle part of the circumferential surface of the lifting suspension wheel is provided with a groove 11a to prevent the steel wire rope from falling off. The lifting suspension wheel 11 serves as a movable pulley to save a driving force for lifting or lowering.

The lifting platform bracket 1 can also be provided with a lifting guide wheel 12, and the wheel surface of the lifting guide wheel 12 is abutted against the rail surface of the lifting rail. In this embodiment, two lifting guide wheels 12 are provided on each lifting platform bracket 1 at intervals in the height direction. The lifting guide wheels 12 can roll on the rail surface of the lifting rail along the height direction, and the lifting guide wheels 12 enable the lifting platform support 1 and the lifting rail to move relatively in a rolling mode, so that friction is reduced, and driving force is saved.

Of course, the side guide wheels 13 may be provided on the lifting platform frame 1, and the wheel surfaces of the side guide wheels 13 may abut against the side surfaces of the lifting rail. In this embodiment, each of the lifting platform supports 1 is provided with four side guide wheels 13, and the four side guide wheels 13 are arranged in two rows and two columns to clamp two side surfaces of the lifting rail. The side guide wheels 13 are arranged to prevent the lifting platform support 1 from inclining towards two sides of the lifting track, and the side guide wheels 13 enable the lifting platform support 1 and the side surface of the lifting track to move relatively in a rolling mode, so that friction is reduced, and driving force is saved. In a specific embodiment, an eccentric shaft 14 may also be provided, and the side guide wheel 13 is connected to the lifting table frame 1 via the eccentric shaft 14. The provision of the eccentric shaft 14 makes it easy for the tread of the side guide wheel 13 to abut against the side surface of the lifting rail. The side guide wheels 13 and the eccentric shafts 14 are arranged, so that the lifting platform support 1 can be tightly abutted against two side surfaces of the lifting track when lifted, and the lifting platform support 1 is ensured not to obliquely shake towards the side surfaces of the lifting track.

The two ends of the lifting platform beam 2 are fixedly connected with the bottoms of the two lifting platform supports 1 to form a U shape. Specifically, the two lifting platform beams 2 are arranged and are fixedly connected with the bottoms of the two lifting platform supports 1 at intervals in parallel, and the lifting platform beams 2 are connected with the lifting platform supports 1 through bolts so as to be convenient to install and detach. The lifting platform beam 2 can be further provided with a lifting platform pedal 21, and two ends of the lifting platform pedal 21 are fixedly connected with the two lifting platform beams 2. The lifting platform pedal 21 is lapped on the two lifting platform beams 2 and is connected with the lifting platform beams 2 through bolts. The lifting platform pedal 21 is arranged, so that a worker can conveniently step on the lifting platform pedal during maintenance, and the structural strength between the two lifting platform beams 2 can be enhanced.

The forklift 3 is arranged on the lifting platform beam 2, and the fork arm 31 of the forklift 3 can horizontally extend out along the direction vertical to the lifting platform beam 2. Specifically, the yoke 31 of the forklift 3 is slidably disposed on the lifting platform beam 2, and the yoke 31 has a T-shaped structure, and both sides thereof are slidably connected to the support on the lifting platform beam 2.

Referring to fig. 5, the driving mechanism 4 is disposed below the lifting platform beam 2 and connected to the forklift 3, and the driving mechanism 4 can drive the fork arm 31 of the forklift 3 to extend and retract. Specifically, the driving mechanism 4 includes a driving member 41, a first gear 42, a second gear 43, a transmission shaft 44 and a third gear 45, the driving member 41 is fixedly disposed below the lifting platform beam 2 and coaxially and fixedly connected to the first gear 42, the first gear 42 and the second gear 43 are both rotatably connected to the lifting platform beam 2, the first gear 42 is engaged with the second gear 43, the third gear 45 is rotatably connected to the lifting platform beam 2, the second gear 43 is coaxially and fixedly connected to the third gear 45 through the transmission shaft 44, a rack 32 is disposed on a lower surface of the fork arm 31 of the forklift 3, the second gear 43 is engaged with the rack 32 of the fork arm 31 of one forklift 3, and the third gear 45 is engaged with the rack 32 of the fork arm 31 of another forklift 3. In this embodiment, the two ends of the first gear 42, the second gear 43 and the third gear 45 are rotatably connected to the lifting platform beam 2 through bearings, the driving member 41 is coaxially and fixedly connected to the first gear 42 through a coupler, the second gear 43 is coaxially and fixedly connected to the transmission shaft 44, and the third gear 45 is coaxially and fixedly connected to the transmission shaft 44 through a coupler. The driving member 41 may be an electric motor, a hydraulic motor, or the like, as long as the first gear 42 can be driven to rotate, and an electric motor is used in this embodiment. The transmission shaft 44 is adopted between the second gear 43 and the third gear 45 for connecting and transmitting, so that the two fork arms 31 of the forklift 3 can be mechanically synchronized, and the forklift is stable and reliable.

Referring to fig. 1 to 5, the working process of the lifting platform includes:

the lifting suspension wheels 11 are used as movable pulleys, steel wire ropes for driving lifting are wound on the lifting suspension wheels 11, the lifting platforms are driven to lift through the steel wire ropes, the lifting guide wheels 12 on the two lifting platform supports 1 are abutted to the lifting tracks on two sides, and the side guide wheels 13 on the two lifting platform supports 1 are tightly abutted to two side surfaces of the lifting tracks under the action of the eccentric shafts 14 when the lifting suspension wheels 1 are lifted. When the lifting platform is in a low position and plates need to be loaded, the fork arms 31 of the forklift 3 are driven by the driving mechanism 4 to extend to the bottom of the stacked plates, the lifting platform is lifted up a little bit at the moment so as to lift the stacked plates to be separated from the ground, the fork arms 31 of the forklift 3 are driven by the driving mechanism 4 to retract at the moment so as to convey the stacked plates to the lifting platform beam 2, then the lifting platform is lifted to a high position, the fork arms 31 of the forklift 3 are driven by the driving mechanism 4 to extend so as to convey the stacked plates out of the lifting platform, then the lifting platform is lowered a little bit downwards, the fork arms 31 are separated from the stacked plates, the fork arms 31 of the forklift 3 are driven by the driving mechanism 4 to retract, then the lifting platform is lowered to a low position so as to be ready for next conveying.

According to the device, the forklift 3 is arranged on the lifting platform, the driving mechanism 4 is used for driving the fork arm 31 of the forklift 3 to extend and retract so as to load and unload the plate, a forklift or a forklift does not need to be equipped on the lifting platform, and the plate is not needed to be loaded and unloaded manually, so that resources are saved, and the device is time-saving, labor-saving and safe; the lifting guide wheels 12 and the side guide wheels 13 are arranged, the lifting platform can stably and randomly shake when lifted, and the relative motion between the lifting platform bracket 1 and the lifting track is rolling, so that the friction is reduced, and the driving force is saved; the fork arm 31 of the forklift 3 is driven by a gear rack mechanism, so that the transmission is stable; the transmission shaft 44 is used for connecting the second gear 43 and the third gear 45, so that the two fork arms 31 of the forklift 3 are mechanically synchronous, stable and reliable; the mechanism is flexible, the use is convenient, and the applicability is strong.

It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a lifting platform installs on the lift track, its characterized in that includes:

2. The lifting platform as claimed in claim 1, wherein the lifting platform support is provided with a lifting suspension wheel, the axial center line of the lifting suspension wheel is parallel to the lifting platform beam, and the middle part of the circumferential surface of the lifting suspension wheel is provided with a groove.

3. The elevating platform as set forth in claim 1, wherein the elevating platform support is provided with elevating guide wheels, and the wheel surfaces of the elevating guide wheels abut against the rail surfaces of the elevating rails.

4. The lift table of claim 1, wherein the lift table support has side guide wheels, the wheel faces of the side guide wheels abutting the side faces of the lift rail.

5. The lift table of claim 4, further comprising an eccentric shaft, wherein the side guide wheels are connected to the lift table bracket by the eccentric shaft.

6. The elevating platform as set forth in claim 1, wherein the elevating platform beams are provided with elevating platform pedals, and both ends of the elevating platform pedals are fixedly connected with the two elevating platform beams.

7. The lift platform of claim 1, wherein the drive mechanism comprises a drive member, a first gear, a second gear, a transmission shaft, and a third gear, the drive member is fixedly disposed below the lift platform beam and coaxially and fixedly connected to the first gear, the first gear and the second gear are both rotatably connected to the lift platform beam, the first gear is engaged with the second gear, the third gear is rotatably connected to the lift platform beam, the second gear and the third gear are coaxially and fixedly connected to the transmission shaft, a rack is disposed on a lower surface of a fork arm of the forklift, the second gear is engaged with the rack of a fork arm of one forklift, and the third gear is engaged with the rack of a fork arm of another forklift.