CN220078526U

CN220078526U - Lifting platform with balanced stress

Info

Publication number: CN220078526U
Application number: CN202320920356.1U
Authority: CN
Inventors: 阙栋; 周彦保; 李瑞峰; 邹小红
Original assignee: Anhui Xuteng Precision Parts Co ltd
Current assignee: Anhui Xuteng Precision Parts Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-11-24
Anticipated expiration: 2033-04-20

Abstract

The lifting platform with balanced stress comprises a mounting bottom plate and a bearing platform, wherein a plurality of groups of fork shearing mechanisms are arranged between the mounting bottom plate and the bearing platform, the bearing platform comprises a first sliding plate and a second sliding plate which are in sliding connection, and a centering adjusting mechanism is further arranged on the bearing platform; through the mode of designing into first slide and second slide connection with the bearing platform to design centering adjustment mechanism on first slide and second slide, can make the work piece be located bearing platform's centre all the time, thereby make lifting assembly's everywhere atress balanced, be difficult for taking place to damage, guaranteed lifting platform's stability.

Description

Lifting platform with balanced stress

Technical Field

The utility model relates to the technical field of lifting platforms, in particular to a lifting platform with balanced stress.

Background

The lifting platform is a lifting machine for vertically conveying people or objects. But also means a device for vertical transportation in a logistics system such as a factory, an automatic warehouse, etc.

In the prior art, when a lifting platform is used for conveying products with high density and large mass such as steel plates and iron blocks, along with the rising of the products, the contact point of a scissor-shaped lifting component and a bearing platform of the lifting platform can change, the contact point on one side of the lifting platform can move towards the middle part of the bearing platform, in the process, the stress of the scissor-shaped lifting component and the two contact points of the bearing platform is more and more uneven, and along with the lengthening of a force arm, the stress of the lifting component at the lower layer is more and more uneven, and the lifting component is damaged in places with larger stress due to the large mass of the products, so that the lifting platform cannot be normal and even personal risks are caused.

Accordingly, the inventors have had a need to devise a new lifting platform to overcome the above problems.

Disclosure of Invention

The utility model mainly aims to provide a lifting platform with balanced stress, so as to solve the problem of uneven stress change of a lifting assembly in the related art.

In order to achieve the aim, the utility model provides a lifting platform with balanced stress, which comprises a mounting bottom plate and a bearing platform, wherein a plurality of groups of fork shearing mechanisms are arranged between the mounting bottom plate and the bearing platform, the bearing platform comprises a first sliding plate and a second sliding plate which are connected in a sliding manner, and a centering adjusting mechanism is further arranged on the bearing platform.

Preferably, each group of the shearing fork mechanism comprises two symmetrically arranged X-shaped rotating plates, one end of the lowest X-shaped rotating plate is rotationally connected to the mounting bottom plate, the other end of the lowest X-shaped rotating plate is slidably connected to the bottom plate, one end of the uppermost X-shaped rotating plate is rotationally connected to the first sliding plate, the other end of the uppermost X-shaped rotating plate is rotationally connected to the second sliding plate, two ends of two adjacent groups of X-shaped rotating plates are rotationally connected, two X-shaped rotating plates of the same group are jointly rotationally connected with a synchronous rotating shaft, and a driving mechanism is connected between the synchronous rotating shaft of one group of shearing fork mechanism and the mounting bottom plate.

Preferably, the X-shaped rotating plate comprises two cross-shaped connecting plates, and the middle sections of the two connecting plates are connected in a rotating mode.

Preferably, the driving mechanism comprises a plurality of cylinders which are linearly distributed, the cylinders are rotationally connected to the mounting bottom plate, and the telescopic ends of the cylinders are fixedly connected to one of the synchronous rotating shafts.

Preferably, the first sliding plate is provided with a plurality of tooth-shaped slots, and the second sliding plate is provided with a plurality of tooth-shaped plugboards matched with the tooth-shaped slots.

Preferably, the centering adjustment mechanism comprises two elastic pressing plates, the two elastic pressing plates are respectively and fixedly connected to the first sliding plate and the second sliding plate, and the telescopic directions of the two sliding plates are the same as the relative sliding directions of the telescopic first sliding plate and the telescopic second sliding plate.

Preferably, the first sliding plate is provided with a first baffle on two sides, the second sliding plate is provided with a second baffle on two sides, the first baffle is provided with a sliding groove, and the second baffle is provided with a sliding pin matched with the sliding groove.

Preferably, the first sliding plate and the tooth-shaped inserting plate are provided with a plurality of rollers which are connected in a rotating way, and the highest points of all the rollers are positioned on the same horizontal plane.

Preferably, the bottom of the first sliding plate is provided with two through holes, wherein the two tooth-shaped inserting plates are fixedly connected with rotating seats, and the rotating seats penetrate through the through holes and are rotationally connected with the connecting plate.

Preferably, the mounting bottom plate is provided with a rolling groove, and the bottommost connecting plate is rotationally connected with a rotating wheel.

Compared with the prior art, the lifting platform with balanced stress has the beneficial effects that:

through the mode of designing into first slide and second slide connection with the bearing platform to design centering adjustment mechanism on first slide and second slide, can make the work piece be located bearing platform's centre all the time, thereby make lifting assembly's everywhere atress balanced, be difficult for taking place to damage, guaranteed lifting platform's stability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the utility model and are not to be construed as unduly limiting the utility model. In the drawings:

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a schematic illustration of the utility model at the post-explosion cylinder;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of the utility model at the post-explosion swivel seat;

FIG. 5 is a schematic view of the first and second skids of the present utility model in a top-down angle after sliding;

FIG. 6 is a schematic elevation view of the first and second skillets of the present utility model after sliding.

Wherein: 1. a mounting base plate; 2. a bearing platform; 3. a first slide plate; 4. a second slide plate; 5. an X-shaped rotating plate; 6. a synchronous rotating shaft; 7. a cylinder; 8. tooth-shaped slots; 9. tooth-shaped plugboard; 10. an elastic pressing plate; 11. a roller; 12. a through port; 13. a rotating seat; 14. a rolling groove; 15. and rotating the wheel.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Embodiment one:

as shown in fig. 1 to 6, the lifting platform with balanced stress comprises a mounting bottom plate 1 and a bearing platform 2, wherein a plurality of groups of fork shearing mechanisms are arranged between the mounting bottom plate 1 and the bearing platform 2, the bearing platform 2 comprises a first sliding plate 3 and a second sliding plate 4 which are in sliding connection, and a centering adjusting mechanism is further arranged on the bearing platform 2; during operation, place the work piece on bearing platform 2, through the lift of cutting fork mechanism control work piece, first slide 3 and second slide 4 rotate with cutting fork mechanism respectively and are connected, when the work piece goes up and down, also take place to slide between first slide 3 and the second slide 4, for the regulation of keeping in the middle of work piece provides the space, when the work piece up-and-down motion, the adjustment mechanism that keeps in the middle can control the work piece and be located bearing platform 2 all the time with cutting in the middle of two contact points of fork mechanism, has guaranteed the atress equilibrium of fork mechanism.

Each group of shearing fork mechanism comprises two symmetrically arranged X-shaped rotating plates 5, one end of the X-shaped rotating plate at the lowest layer is rotationally connected to the mounting bottom plate 1, the other end of the X-shaped rotating plate is slidingly connected to the bottom plate, one end of the X-shaped rotating plate 5 at the highest layer is rotationally connected to the first sliding plate 3, the other end of the X-shaped rotating plate is rotationally connected to the second sliding plate 4, two adjacent groups of X-shaped rotating plates 5 are rotationally connected at both ends, synchronous rotating shafts 6 are rotationally connected between the two X-shaped rotating plates 5 of the same group together, a driving mechanism is connected between the synchronous rotating shaft 6 of one group of shearing fork mechanism and the mounting bottom plate 1, and the X-shaped rotating plates 5 comprise two cross-shaped connecting plates, and the middle sections of the two connecting plates are rotationally connected; when the device works, the driving mechanism pulls or pushes the synchronous rotating shaft 6 to move so as to drive the two connecting plates to relatively rotate, when the two ends of the two connecting plates are relatively close, the bearing platform 2 moves upwards, when the two ends of the two connecting plates are relatively far away, the bearing platform 2 moves downwards, and the superposition of the plurality of groups of lower X-shaped rotating plates 5 can enable the driving mechanism to realize long-distance lifting of the bearing platform 2 through a short stroke.

The driving mechanism comprises a plurality of linearly distributed air cylinders 7, the air cylinders 7 are rotationally connected to the mounting base plate 1, the telescopic ends of the air cylinders 7 are fixedly connected to one of the synchronous rotating shafts 6, and the telescopic ends of the air cylinders 7 can realize the rotation of the X-shaped rotating plate 5 during working, so that the lifting of the bearing platform 2 is realized.

The first sliding plate 3 is provided with a plurality of tooth-shaped slots 8, and the second sliding plate 4 is provided with a plurality of tooth-shaped plugboards 9 matched with the tooth-shaped slots 8; in operation, with the relative sliding of the first slide plate 3 and the second slide plate 4, the toothed insert plate 9 slides in the toothed slot 8.

The centering adjusting mechanism comprises two elastic pressing plates 10, the two elastic pressing plates 10 are respectively and fixedly connected to the first sliding plate 3 and the second sliding plate, and the telescopic directions of the two sliding plates are the same as the relative sliding directions of the telescopic first sliding plate 3 and the telescopic second sliding plate 4; when the work piece is in the middle of the bearing platform 2, the pressure born by the two elastic pressing plates 10 is the same, when the first sliding plate 3 and the second sliding plate 4 slide relatively, the pressure born by the two elastic pressing plates changes, and at the moment, the elastic sliding plate with high stress can push the work piece to one side of the sliding plate with low stress until the heavy object is pushed in the middle of the bearing platform 2.

The two sides of the first sliding plate 3 are provided with first baffle plates, the two sides of the second sliding plate 4 are provided with second baffle plates, the first baffle plates are provided with sliding grooves, and the second baffle plates are provided with sliding pins matched with the sliding grooves; when the sliding plate works, the first baffle plate and the second baffle plate together with the two elastic pressing plates 10 enclose a quadrangle, so that a workpiece is prevented from falling, and the sliding groove and the sliding pin are matched to limit the relative sliding direction of the first sliding plate 3 and the second sliding plate 4.

The first sliding plate 3 and the tooth-shaped inserting plate 9 are provided with a plurality of rollers 11 which are connected in a rotating way, and the highest points of all the rollers 11 are positioned on the same horizontal plane; when the elastic pressing plate 10 is used for pushing the workpiece, if the workpiece is directly contacted with the first sliding plate 3 and the second sliding plate 4 during operation, the sliding friction resistance is large, and if the sliding friction resistance is changed into rolling, the friction force is much smaller, so that the elastic pressing plate 10 is convenient for pushing the workpiece.

The bottom of the first sliding plate 3 is provided with two through holes 12, wherein two tooth-shaped insertion plates 9 are fixedly connected with a rotating seat 13, and the rotating seat 13 penetrates through the through holes 12 and is rotationally connected with the connecting plate; the first plate is in rotary connection with the X-shaped rotary plate 5 through a rotary seat 13 during operation.

The rolling groove 14 is formed in the mounting base plate 1, the rotating wheel 15 is rotatably connected to the connecting plate at the bottommost layer, when the air cylinder 7 is started in operation, one end of the connecting plate can slide relative to the mounting base plate 1, and at the moment, the rotating wheel 15 rolls in the rolling groove 14.

Embodiment two: the difference between this embodiment and the first embodiment is that: the mounting baseplate is provided with the sliding groove, the sliding block is connected to the rotation on the bottommost connecting plate, the sliding block is connected in the sliding groove in a sliding mode, and when the mounting baseplate is in operation, the sliding block slides in the sliding groove along with the rotation of the connecting plate.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a balanced lift platform of atress, includes mounting plate (1) and bearing platform (2), its characterized in that: the utility model discloses a bearing platform, including mounting plate (1), bearing platform (2), mounting plate (1) with be provided with multiunit between bearing platform (2) and cut fork mechanism, bearing platform (2) are including sliding connection's first slide (3) and second slide (4), still be provided with centering adjustment mechanism on bearing platform (2).

2. A force balanced lift platform as claimed in claim 1 wherein: every group X type that sets up turns to board (5) including two symmetries, and the lower floor X type turns to one end and rotates to be connected on mounting plate (1), and other end sliding connection is in on the bottom plate, the upper strata X type turns to one end of board (5) and rotates to be connected on first slide (3), and the other end rotates to be connected on second slide (4), all rotate between the both ends of two adjacent X type turns to board (5) and be connected with synchronous pivot (6), two of same group X type turns to rotate jointly between board (5), wherein a set of scissors fork mechanism synchronous pivot (6) with be connected with actuating mechanism between mounting plate (1).

3. A load balancing lift platform as claimed in claim 2, wherein: the X-shaped rotating plate (5) comprises two cross-shaped connecting plates, and the middle sections of the two connecting plates are connected in a rotating mode.

4. A load balancing lift platform as claimed in claim 2, wherein: the driving mechanism comprises a plurality of linearly distributed air cylinders (7), the air cylinders (7) are rotationally connected to the mounting base plate (1), and the telescopic ends of the air cylinders (7) are fixedly connected to one of the synchronous rotating shafts (6).

5. A load balancing lift platform as claimed in claim 3, wherein: the first sliding plate (3) is provided with a plurality of tooth-shaped slots (8), and the second sliding plate (4) is provided with a plurality of tooth-shaped inserting plates (9) matched with the tooth-shaped slots (8).

6. The force-balanced lift platform of claim 5, wherein: the centering adjusting mechanism comprises two elastic pressing plates (10), the two elastic pressing plates (10) are respectively and fixedly connected to the first sliding plate (3) and the second sliding plate, and the telescopic directions of the two sliding plates are the same as the relative sliding directions of the telescopic first sliding plate (3) and the telescopic second sliding plate (4).

7. A force balanced lift platform as claimed in claim 1 wherein: the sliding plate is characterized in that first baffle plates are arranged on two sides of the first sliding plate (3), second baffle plates are arranged on two sides of the second sliding plate (4), sliding grooves are formed in the first baffle plates, and sliding pins matched with the sliding grooves are arranged on the second baffle plates.

8. The force-balanced lift platform of claim 5, wherein: the first sliding plate (3) and the tooth-shaped inserting plate (9) are provided with a plurality of rollers (11) which are connected in a rotating way, and the highest points of all the rollers (11) are positioned on the same horizontal plane.

9. The force-balanced lift platform of claim 5, wherein: the bottom of the first sliding plate (3) is provided with two through holes (12), wherein two tooth-shaped inserting plates (9) are fixedly connected with rotating seats (13), and the rotating seats (13) penetrate through the through holes (12) and then are rotationally connected with the connecting plate.

10. The force-balanced lift platform of claim 5, wherein: the mounting bottom plate (1) is provided with a rolling groove (14), and the bottommost connecting plate is rotationally connected with a rotating wheel (15).