CN219906906U

CN219906906U - Scissor fork type lifting platform and anti-falling device

Info

Publication number: CN219906906U
Application number: CN202320788129.8U
Authority: CN
Inventors: 李良军; 宫平; 李超; 吴英翔; 田澍; 陈炜强; 李彬
Original assignee: Guoneng Baorixile Energy Co ltd
Current assignee: Guoneng Baorixile Energy Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-10-27
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to the technical field of scissor type lifting platforms, and provides a scissor type lifting platform and an anti-falling device. By applying the technical scheme of the utility model, the problem that the injury and death of users are easily caused when the anti-falling device is used and the danger of falling easily occurs can be solved.

Description

Scissor fork type lifting platform and anti-falling device

Technical Field

The utility model relates to the technical field of scissor type lifting platforms, in particular to a scissor type lifting platform and a falling prevention device.

Background

The original lifting platform is mechanical, lifting speed is slower, safety and stability are poor, the mechanical lifting platform is changed into a full-automatic lifting platform, the size is greatly improved, meanwhile, the lifting platform is supported by 4 groups of hydraulic cylinders, stress points are more uniform, lifting speed is faster, anti-skid steel plates are used on the surface of the lifting platform, the anti-skid and anti-corrosion functions are achieved, protective rails are arranged on the three sides of the platform, the lifting height is 5 meters, lifting weight is 5 tons, the efficiency is greatly improved when a locomotive is maintained, the existing scissor type lifting platform of a railway transportation company is a steel structure 2-stage fixed type car-cleaning platform built in 2009, the ground collapse and the main structure are swayed, the steel structure is corroded, injury and death of users are easily caused when the lifting platform is used, the number of the locomotive is 9, a rider needs to frequently clean the oil sludge and the upper part of the car roof through the scissor type lifting platform during the locomotive cleaning, the lifting angle is not smooth, the lifting angle of the car roof is high, and the lifting coefficient of the lifting platform is high, and the lifting device is high in the dangerous situation is good.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a scissor type lifting platform and a falling prevention device, which are used for solving the problems that the prior art provided in the background art is easy to cause injury and death of users when the prior art is used and the danger of falling easily occurs.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cut fork lift platform and anti-falling device, including cutting fork lift platform body, still include the bottom plate, cut fork lift platform body and install the top at the bottom plate, cut fork lift platform body internal rotation and be connected with two slide bars, rotate on the bottom plate and be connected with two slide bars, two slide bars sliding connection respectively in two slide bars, all seted up the spout on two slide bars, all fixedly connected with spacing toothed belt on two slide bars, all rotate on two slide bars and be connected with spacing, two spacing respectively with two spacing toothed belt meshing, all through support frame and fixedly connected with spring on two slide bars, two spacing respectively fixedly connected with are on the top of two springs, all install release mechanism and stop gear on two slide bars.

Preferably, the unlocking mechanism comprises a fixing frame, the fixing frame is fixedly connected to the top end of the supporting frame, a first electric cylinder is installed on the fixing frame, and the output end of the first electric cylinder is fixedly connected with a lower pressing block.

Further, the limiting mechanism comprises a connecting frame, the connecting frame is fixedly connected to the sliding cylinders, a second electric cylinder is installed on the connecting frame, the output end of the second electric cylinder penetrates through the connecting frame and is fixedly connected with a limiting column, and a plurality of limiting holes are formed in the two sliding rods and the two sliding cylinders.

Still further, two rotation seats are fixedly connected with the scissor type lifting platform body and the bottom plate, and two sliding rods and two sliding drums are respectively and rotatably connected in the plurality of rotation seats.

As a further scheme of the scheme, the two sliding drums are fixedly connected with fixing rods, and the two limiting frames are respectively and rotatably connected to the two fixing rods.

As a still further proposal of the proposal, two supporting frames are respectively welded on two sliding drums.

On the basis of the scheme, the diameters of the limit openings formed in the sliding rod and the sliding cylinder are the same.

On the basis of the scheme, a plurality of mounting holes are formed in the bottom plate.

Compared with the prior art, the utility model provides the scissor type lifting platform and the anti-falling device, which have the following beneficial effects:

according to the utility model, the unlocking mechanism arranged on the sliding cylinder is used for meshing and loosening the control limit frame on the limit toothed belt, so that the limit box of the sliding rod in the sliding cylinder is released, and the limit mechanism arranged on the sliding cylinder is used for limiting the sliding rod in the sliding cylinder, so that the sudden falling of the scissor lifting platform body is effectively prevented, therefore, the scissor lifting platform and the anti-falling device can prevent the scissor lifting platform body from falling when in use, the danger of users is reduced, and the working efficiency of the users is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the slide bar, slide cylinder and spacing toothed belt of the present utility model;

FIG. 3 is a schematic perspective view of the limit stop, spring and mount of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.

In the figure: 1. a scissor lift platform body; 2. a bottom plate; 3. a slide bar; 4. a slide cylinder; 5. limiting toothed belts; 6. a limiting frame; 7. a spring; 8. a fixing frame; 9. a first electric cylinder; 10. pressing the block; 11. a connecting frame; 12. a second electric cylinder; 13. a limit column; 14. a rotating seat; 15. and a fixing rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a scissor lift platform and anti-falling device comprises a scissor lift platform body 1, two rotating seats 14 are fixedly connected to the scissor lift platform body 1 and a bottom plate 2, two sliding rods 3 and two sliding drums 4 are respectively and rotatably connected to the rotating seats 14 so as to increase stability of the sliding rods 3 and the sliding drums 4 during rotation, limiting openings formed in the sliding rods 3 and the sliding drums 4 are identical in diameter so that the limiting posts 13 can completely lock the sliding rods 3 and the sliding drums 4, a bottom plate 2 is provided with a plurality of mounting holes so as to facilitate stable mounting of the device, the scissor lift platform body 1 is mounted at the top end of the bottom plate 2, two sliding rods 3 are rotatably connected to the scissor lift platform body 1, fixing rods 15 are fixedly connected to the two sliding drums 4, the two limiting brackets 6 are respectively and rotatably connected to the two fixing rods 15 so as to increase the stability during limiting rotation, the two sliding rods 3 are respectively and slidably connected to the two sliding cylinders 4, sliding grooves are respectively formed in the two sliding cylinders 4, limiting toothed belts 5 are fixedly connected to the two sliding rods 3, the two sliding cylinders 4 are respectively and rotatably connected with the limiting brackets 6, the two limiting brackets 6 are respectively meshed with the two limiting toothed belts 5, the two sliding cylinders 4 are respectively welded to the two sliding cylinders 4 through supporting frames and fixedly connected with springs 7, so that the connection is simpler, the service life is longer, the two limiting brackets 6 are respectively and fixedly connected to the top ends of the two springs 7, an unlocking mechanism and a limiting mechanism are respectively and fixedly arranged on the two sliding cylinders 4, the unlocking mechanism comprises a fixing frame 8, the fixing frame 8 is fixedly connected to the top ends of the supporting frames, a first electric cylinder 9 is arranged on the fixing frame 8, the output fixedly connected with of first electric jar 9 is briquetting 10 down to control spacing 6 and open and shut, stop gear includes link 11, and link 11 fixed connection is on a section of thick bamboo 4, installs second electric jar 12 on the link 11, and the output of second electric jar 12 runs through link 11 and fixedly connected with spacing post 13, has all offered a plurality of spacing holes on two slide bars 3 and two slide drums 4, so that carry out the second grade spacing to slide bar 3 in slide drum 4.

It should be further noted that, the first electric cylinder 9 and the second electric cylinder 12 in this embodiment are conventional apparatuses known to those skilled in the art and purchased in the market, and may be selected or customized according to actual needs, in this patent, only the first electric cylinder 9 and the second electric cylinder 12 are used, but the structure and the function of the first electric cylinder are not improved, and the setting mode, the installation mode and the electrical connection mode of the first electric cylinder are only required to be debugged according to the requirements of the application specification of the first electric cylinder 9 and the second electric cylinder 12, which are not repeated herein, and the installation positions of the control switches are selected according to the actual use requirements, so that the operation control of the operators is facilitated.

In summary, when the scissor lift platform and the anti-falling device are used, the scissor lift platform and the anti-falling device are firstly installed at a place where the scissor lift platform and the anti-falling device are required to be used, then the first electric cylinder 9 and the second electric cylinder 12 are started, when the scissor lift platform body 1 is lifted to be used, the slide rod 3 slides outwards in the slide cylinder 4, when the scissor lift platform body is lifted to a set position, the limit frame 6 is supported by the spring 7 installed on the support frame, so that the limit frame 6 is meshed with a toothed belt fixedly connected with the slide rod 3, the slide rod 3 is locked and controlled, the limit post 13 is driven by the second electric cylinder 12 installed on the connecting frame 11 to be inserted into limit holes formed in the slide rod 3 and the slide cylinder 4, the slide rod 3 is limited in the slide cylinder 4 in a second stage, the anti-falling manner, when the limit of the scissor lift platform body 1 is required to be released, the limit post 13 is driven by the second electric cylinder 12 to be pulled out from the limit hole, and the limit frame 6 is pushed down by the first electric cylinder 9 installed on the fixing frame 8, so that the limit of the limit frame 5 is released. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

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 cut fork lift platform and anti-falling device, includes cut fork lift platform body (1), its characterized in that still includes bottom plate (2), cut fork lift platform body (1) install the top of bottom plate (2), cut fork lift platform body (1) internal rotation and be connected with two slide bars (3), it is two to rotate on bottom plate (2) slide bar (3) sliding connection respectively in two slide bars (4), two all offered the spout on slide bar (4), two all fixedly connected with spacing toothed belt (5) on slide bar (3), two all rotate on slide bar (4) are connected with spacing frame (6), two spacing toothed belt (5) are respectively with two, two slide bar (4) all are through support frame fixedly connected with spring (7), two spacing frame (6) are respectively fixedly connected with two the top of spring (7), two on slide bar (3) all install release mechanism and two on slide bar (4).

2. The scissor lift platform and the anti-falling device according to claim 1, wherein the unlocking mechanism comprises a fixing frame (8), the fixing frame (8) is fixedly connected to the top end of the supporting frame, a first electric cylinder (9) is installed on the fixing frame (8), and a pressing block (10) is fixedly connected to the output end of the first electric cylinder (9).

3. The scissor lift platform and the anti-falling device according to claim 2, wherein the limiting mechanism comprises a connecting frame (11), the connecting frame (11) is fixedly connected to the sliding cylinder (4), a second electric cylinder (12) is installed on the connecting frame (11), an output end of the second electric cylinder (12) penetrates through the connecting frame (11) and is fixedly connected with a limiting column (13), and a plurality of limiting holes are formed in each of the two sliding rods (3) and the two sliding cylinders (4).

4. A scissor lift platform and a fall protection device according to claim 3, wherein two rotating seats (14) are fixedly connected to the scissor lift platform body (1) and the bottom plate (2), and two sliding rods (3) and two sliding drums (4) are respectively and rotatably connected to the rotating seats (14).

5. The scissor lift platform and fall protection device according to claim 4, wherein two sliding drums (4) are fixedly connected with fixing rods (15), and two limiting frames (6) are respectively and rotatably connected to the two fixing rods (15).

6. The scissor lift platform and fall protection device according to claim 5, characterized in that two of the support frames are welded to two of the slide drums (4), respectively.

7. The scissor lift platform and fall protection device according to claim 5, wherein the diameter of the limit opening formed on the slide bar (3) and the slide tube (4) is the same.

8. The scissor lift platform and fall protection device according to claim 1, characterized in that the bottom plate (2) is provided with a plurality of mounting holes.