CN218810199U

CN218810199U - Folding type extension platform

Info

Publication number: CN218810199U
Application number: CN202223134727.8U
Authority: CN
Inventors: 朱碧堂; 赵俊宇; 江守慈; 张鲲; 徐长节; 罗文俊; 罗如平; 吴斅; 刘阳峰
Original assignee: Huajiao Wisdom Jiangxi Engineering Technology Co ltd; East China Jiaotong University
Current assignee: Huajiao Wisdom Jiangxi Engineering Technology Co ltd; East China Jiaotong University
Priority date: 2022-11-17
Filing date: 2022-11-25
Publication date: 2023-04-07
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to a folding type extension platform, which relates to the field of tunnel maintenance and is used for solving the problems that the table area of a middle supporting platform in the prior art is fixed and unchanged and the size of the table area is severely limited; the method comprises the following steps: the lifting platform, the support frame, the movable plate, the first driving assembly and the second driving assembly; the lifting platform is in sliding fit with a vertical guide rail on the supporting frame, the first driving assembly is arranged between the lifting platform and the supporting frame, the first driving assembly drives the lifting platform to lift along the vertical guide rail, and the second driving assembly drives the movable plate to rotate on the lifting platform; through first drive assembly drive lift platform along vertical guide rail rises behind the carriage top, second drive assembly drive the fly leaf slowly expands for the fly leaf with lift platform is on a plane, thereby makes operating space on the lift platform can expand.

Description

Folding type extension platform

Technical Field

The utility model belongs to the technical field of the tunnel overhaul technique and specifically relates to a roll over formula extension platform is related to.

Background

With the high-speed development of the domestic transportation industry, the number of tunnels increases year by year, the auxiliary facilities in old tunnels need to be periodically overhauled and replaced, particularly, fans in the tunnels, the service life of the fans is gradually shortened along with the increase of the operating age of the tunnels, the ventilation efficiency cannot meet the requirements, and the fans need to be periodically overhauled and replaced. The fan is installed at the middle part of tunnel vault, and when dismantling the fan, its construction position need provide supporting platform and be convenient for constructor's change fan under the fan when carrying out the dismantlement of tunnel fan.

The fan and other construction tools need to be placed on the supporting platform, and a plurality of people can operate the supporting platform, so that the larger the area of the supporting platform is, the more beneficial the field operation is, however, the area of the table top of the supporting platform in the prior art is always fixed and unchanged, and the size of the area of the table top of the supporting platform is severely limited.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a folding type extension platform for the mesa area of solving prior art's well supporting platform is fixed unchangeable, and mesa area size receives serious restriction problem.

In order to realize the above-mentioned purpose, the utility model provides a folding type extension platform, include: the lifting platform, the support frame, the movable plate, the first driving assembly and the second driving assembly;

the lifting platform is in sliding fit with vertical guide rails on the supporting frames, the first driving assembly is arranged between the lifting platform and the supporting frames, the first driving assembly drives the lifting platform to ascend and descend along the vertical guide rails, the second driving assembly is arranged between the lifting platform and the movable plates, and the movable plates are driven to rotate on the lifting platform.

Through first drive assembly drive lift platform along vertical guide rail rises behind the carriage top, second drive assembly drive the fly leaf slowly expands for the fly leaf with lift platform is on a plane, thereby makes operating space on the lift platform can expand.

Optionally, the first driving assembly comprises a telescopic rod piece, one end of the telescopic rod piece is hinged to the lifting platform, and the other end of the telescopic rod piece is hinged to the movable plate. When the telescopic rod piece is telescopic, the movable plate can be driven to rotate.

Optionally, a plurality of the telescopic rods are arranged in parallel to enhance the bearing capacity of the telescopic rods.

Optionally, the telescopic rod is an air cylinder, an oil cylinder or an electric push rod, and can be selected according to actual needs.

Optionally, the first driving assembly includes a first driving motor, a first driving gear, and a driven gear, the first driving motor is fixedly mounted on the lifting platform, the first driving motor may be a hydraulic motor or an electric motor, the first driving gear is coaxially and fixedly connected with an output end of the driving motor, the driven gear is fixedly mounted on the movable plate, and the first driving gear and the driven gear are engaged with each other.

The first driving gear is driven by the first driving motor, the first driving gear drives the driven gear to rotate, and the driven gear drives the movable plate on the driven gear to rotate.

Optionally, the second drive assembly comprises a second drive motor, a second pinion gear, a rack, and a vertical guide rail;

the vertical guide rail with support frame fixed connection, lift platform with vertical guide rail sliding fit, the rack with support frame fixed connection, the rack with vertical guide rail is parallel to each other, second driving motor with lift platform fixed connection, second driving motor can be hydraulic motor or motor, the second driving gear with the coaxial fixed connection of second driving motor's output, the second driving gear with the rack intermeshing. The second driving motor drives the second driving gear to rotate, and the second driving gear moves along the rack in the rotating process. The whole lifting platform is driven to move up and down.

Optionally, the foldable extension platform further comprises a guard rail, a plurality of guard rail mounting holes are formed in the edge of the movable plate, the upright posts of the guard rail are matched with the guard rail mounting holes, and after the movable plate is unfolded to form a part of the operation table, the guard rail is added to the periphery of the movable plate, so that the operation table is safer.

Drawings

Fig. 1 is a top view of a folding type extending platform according to an embodiment of the present invention;

fig. 2 is a left side view of the foldable extension platform according to the embodiment of the present invention;

fig. 3 is a schematic view illustrating a retracted state of a movable plate in the foldable platform according to the embodiment of the present invention;

fig. 4 is a schematic perspective view of a second driving assembly according to an embodiment of the present invention.

Detailed Description

Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale.

Referring to fig. 1-4, the present invention provides an embodiment of a foldable extension platform, which comprises a lifting platform 2, a supporting frame 1, a movable plate 3, a first driving assembly and a second driving assembly;

lifting platform 2 with vertical guide 101 sliding fit on the support frame 1, first drive assembly sets up lifting platform 2 with between the support frame 1, first drive assembly drive lifting platform 2 along vertical guide 101 goes up and down, second drive assembly sets up lifting platform 2 with between the fly leaf 3, the drive of second drive assembly fly leaf 3 is in rotation on the lifting platform 2.

After the lifting platform 2 is driven by the first driving component to ascend to the top of the support frame 1 along the vertical guide rail 101, the second driving component drives the movable plate 3 to slowly expand, so that the movable plate 3 and the lifting platform 2 are arranged on the same plane, and the operation space on the lifting platform 2 is expanded.

In the present embodiment, referring to fig. 1 to 4, the first driving assembly includes a telescopic rod 4, one end of the telescopic rod 4 is hinged to the lifting platform 2, and the other end of the telescopic rod 4 is hinged to the movable plate 3. When the telescopic rod 4 is telescopic, the movable plate 3 can be driven to rotate.

In this embodiment, referring to fig. 1-4, a plurality of the telescopic rods 4 are arranged in parallel to enhance the carrying capacity.

In this embodiment, referring to fig. 1 to 4, the telescopic rod 4 is a cylinder, an oil cylinder or an electric push rod, and can be selected according to actual requirements.

In this embodiment, referring to fig. 1 to 4, the first driving assembly includes a first driving motor, a first driving gear, and a driven gear, the first driving motor is fixedly mounted on the lifting platform 2, the first driving motor may be a hydraulic motor or an electric motor, the first driving gear is coaxially and fixedly connected to an output end of the driving motor, the driven gear is fixedly mounted on the movable plate 3, and the first driving gear and the driven gear are engaged with each other.

The first driving gear is driven by the first driving motor, the first driving gear drives the driven gear to rotate, and the driven gear drives the movable plate 3 thereon to rotate.

In this embodiment, referring to fig. 1-4, the second driving assembly includes a second driving motor 501, a second driving gear 502 and a rack 503;

the rack 503 is fixedly connected with the support frame 1, the rack 503 is parallel to the vertical guide rail 101, the second driving motor 501 is fixedly connected with the lifting platform 2, the second driving motor 501 can be a hydraulic motor or an electric motor, the output end of the second driving gear 502 is coaxially and fixedly connected with the output end of the second driving motor 501, and the second driving gear 502 is meshed with the rack 503. The second driving motor 501 drives the second driving gear 502 to rotate, and the second driving gear 502 moves along the rack 503 during the rotation process. Driving the whole lifting platform 2 to move up and down.

In this embodiment, referring to fig. 1 to 4, the foldable extension platform further includes a guard rail 6, a plurality of guard rail mounting holes are formed in an edge of the movable plate 3, the upright posts of the guard rail 6 are matched with the guard rail mounting holes, and after the movable plate 3 is unfolded to form a part of the console, the guard rail 6 is added on the periphery of the movable plate 3, so that the console is safer.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit 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 depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention.

Claims

1. A fold-over extension platform, comprising: the lifting platform, the support frame, the movable plate, the first driving assembly and the second driving assembly;

2. The fold-over extension platform of claim 1, wherein: the first driving assembly comprises a telescopic rod piece, one end of the telescopic rod piece is hinged to the lifting platform, and the other end of the telescopic rod piece is hinged to the movable plate.

3. The fold-over extension platform of claim 2, wherein: and the plurality of telescopic rods are arranged in parallel.

4. The fold-over extension platform of claim 2 or 3, wherein: the telescopic rod is an air cylinder, an oil cylinder or an electric push rod.

5. The fold-over extension platform of claim 1, wherein: the first driving assembly comprises a first driving motor, a first driving gear and a driven gear, the first driving motor is fixedly installed on the lifting platform, the first driving gear is coaxially and fixedly connected with the output end of the driving motor, the driven gear is fixedly installed on the movable plate, and the first driving gear is meshed with the driven gear.

6. The fold-over extension platform of claim 1, wherein: the second driving assembly comprises a second driving motor, a second driving gear, a rack and a vertical guide rail;

the vertical guide rail with support frame fixed connection, lift platform with vertical guide rail sliding fit, the rack with support frame fixed connection, the rack with vertical guide rail is parallel to each other, second driving motor with lift platform fixed connection, the driving gear with the coaxial fixed connection of second driving motor's output, the second driving gear with the rack intermeshing.

7. The fold-over extension platform of claim 1, wherein: the guardrail structure is characterized by further comprising a guardrail, a plurality of guardrail mounting holes are formed in the edge of the movable plate, and stand columns of the guardrail are matched with the guardrail mounting holes.

8. The fold-over extension platform of claim 5, wherein: the first driving motor is a hydraulic motor or an electric motor.

9. The fold-over extension platform of claim 6, wherein: the second drive motor is a hydraulic motor or an electric motor.