CN218965382U - Automatic extension platform - Google Patents
Automatic extension platform Download PDFInfo
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- CN218965382U CN218965382U CN202223134604.4U CN202223134604U CN218965382U CN 218965382 U CN218965382 U CN 218965382U CN 202223134604 U CN202223134604 U CN 202223134604U CN 218965382 U CN218965382 U CN 218965382U
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Abstract
The utility model relates to an automatic extension platform, which relates to the field of tunnel maintenance vehicles and is used for solving the problem that the area of a table top of a middle support platform in the prior art is fixed and cannot be adjusted according to the field environment; comprising the following steps: the device comprises a main body platform, a movable platform, a horizontal driving assembly and a protective fence; the movable platform is in sliding fit with the main body platform, the movable platform is driven to move on the main body platform through the horizontal driving assembly, the main body platform and the movable platform are combined to form an operation platform, and the edge of the operation platform is provided with the guard rail. The operation platform is arranged on the carrier vehicle, and the on-site platform building is not needed, so that time and labor are saved. Because the fan is located directly over the tunnel, the carrier loader is in the right lane, and movable platform is in the drive of horizontal drive subassembly can extend to the tunnel center, overhauls and changes the fan in-process, does not influence the normal operating in left lane.
Description
Technical Field
The utility model relates to the technical field of tunnel maintenance vehicles, in particular to an automatic extension platform.
Background
With the high-speed development of the domestic transportation industry, the number of tunnels is increased year by year, auxiliary facilities in old tunnels need to be overhauled and replaced regularly, particularly fans in tunnels, with the increase of the operation years of the tunnels, the service lives of the fans are reduced year by year, the ventilation efficiency can not meet the requirements, and the old tunnels need to be overhauled and replaced regularly.
The fan is installed in the middle part of tunnel vault, and when dismantling the fan, its construction position is under the fan, need provide supporting platform and be convenient for change the fan for constructor when carrying out the dismantlement of tunnel fan.
At present, in order to provide a supporting platform swiftly, often set up maintenance platform on the carrier loader, directly transport supporting platform to the place that needs to change the fan through the carrier loader, saved the trouble of on-the-spot support platform that erects, however, among the prior art supporting platform's mesa area often is fixed unchangeable, and supporting platform's area can not be according to the size of on-the-spot environment adjustment platform's area.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides an automatic extension platform which is used for solving the problem that the area of the table top of a middle support platform in the prior art is fixed and cannot be adjusted according to the field environment.
In order to achieve the above object, the present utility model provides an automatic extension platform, comprising: the device comprises a main body platform, a movable platform, a horizontal driving assembly and a protective fence;
the main body platform is arranged on the carrier vehicle, the movable platform is in sliding fit with the main body platform, the movable platform is driven by the horizontal driving assembly to move on the main body platform, the main body platform and the movable platform are combined to form an operation platform, and the edge of the operation platform is provided with the guard rail.
The operation platform is arranged on the carrier vehicle and is driven to a place needing to be overhauled along with the carrier vehicle, so that the platform does not need to be built on site, and time and labor are saved. The movable platform can be extended, so that the whole operation space is increased, and the fan is convenient to overhaul and replace. Meanwhile, as the fan is positioned right above the tunnel, the carrier vehicle is on the right lane, the movable platform can extend towards the center of the tunnel under the drive of the horizontal driving assembly, and the normal operation of the left lane is not influenced in the process of overhauling and replacing the fan.
Optionally, the horizontal drive subassembly includes the telescopic element, the telescopic element sets firmly on the main part platform, be provided with the spout on the main part platform, the spout direction with the direction is perpendicular before the carrier vehicle, the movable platform with spout sliding fit, the movable platform can to the left side extension of carrier vehicle, the telescopic element's flexible end with movable platform fixed connection, through the telescopic element drive the movable platform is followed the spout motion.
Optionally, a transverse chute and a longitudinal chute are arranged on the main body platform, the longitudinal chute is arranged along the forward direction of the carrier, and the transverse chute and the longitudinal chute are mutually perpendicular;
the movable platform comprises a first platform, a second platform and a third platform, the first platform is in sliding fit with the transverse sliding chute, and the second platform is in sliding fit with the third platform. And expanding the operation platform to the left side of the carrier vehicle through a first platform, and expanding the operation platform to the front and rear directions through a second platform and a third platform.
Optionally, the horizontal driving assembly includes a rotary driving element, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a fifth bevel gear, a first screw rod, a second screw rod, and a third screw rod;
the rotary drive element is fixedly connected with the main body platform, the fourth bevel gear is fixedly connected with the rotary drive element coaxially, the fifth bevel gear is rotatably connected with the main body platform, the first screw rod is fixedly connected with the first bevel gear coaxially, the second screw rod is fixedly connected with the second bevel gear coaxially, the third screw rod is fixedly connected with the third bevel gear coaxially, the first screw rod, the second screw rod, the third screw rod are rotatably connected with the main body platform, the first screw rod is in threaded fit with the first platform, the second screw rod is in threaded fit with the second platform, the third screw rod is in threaded fit with the third platform, and the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are meshed with the fifth bevel gear.
The rotary driving element drives the fourth bevel gear to rotate, the fourth bevel gear drives the fifth bevel gear to rotate, the fifth bevel gear drives the first bevel gear, the second bevel gear and the third bevel gear to rotate, the first bevel gear drives the first screw rod to rotate, the first screw rod drives the first platform to move along the transverse sliding groove in the rotating process of the first screw rod, the second bevel gear drives the second screw rod to rotate, the second platform drives the second platform to move along the longitudinal sliding groove in the rotating process of the second screw rod, the third bevel gear drives the third screw rod to rotate, and the third platform drives the third platform to move along the longitudinal sliding groove in the rotating process of the third screw rod. Only one power source is utilized to drive the three platforms to move towards three directions simultaneously, and the extension process of the three platforms has good coordination.
Optionally, the rail guard includes fixed guardrail and flexible guardrail, flexible guardrail one end with the main part platform is connected, flexible guardrail other end with movable platform connects, the main part platform with equal fixed mounting has fixed guardrail on the movable platform, flexible guardrail with fixed guardrail is a closed loop space. The movable platform drives the telescopic guardrail to stretch in the extending process, so that the whole platform is ensured to have guardrails around the operation platform at any time in the extending process, and the construction on the operation platform is safer.
Optionally, the telescopic guardrail comprises a plurality of rod pieces, and the rod pieces are connected in a scissor-type staggered rotation mode, so that the telescopic guardrail is simple in structure and convenient to install.
Optionally, the telescopic element is an air cylinder, an oil cylinder or an electric push rod.
Optionally, the rotary drive element is a hydraulic motor, a pneumatic motor or an electric motor.
Drawings
Fig. 1 is a schematic perspective view of an automatic extension platform according to an embodiment of the present utility model;
FIG. 2 is a left side view of the self-expanding platform according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of part C of FIG. 1 in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic view of the view from direction A in FIG. 2 in accordance with an embodiment of the present utility model;
FIG. 5 is an enlarged view of portion D of FIG. 4 in accordance with an embodiment of the present utility model;
fig. 6 is a schematic perspective view of the automatic extension platform according to the embodiment of the present utility model when the automatic extension platform is located on a carrier vehicle.
Detailed Description
Specific embodiments of the utility model will be described in detail below, it being noted that the embodiments described herein are for illustration only and are not intended to limit the utility model. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the utility model. In other instances, well-known circuits, software, or methods have not been described in detail in order not to obscure the utility model.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the utility model. 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. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale.
Referring to fig. 1-5, the present utility model provides an embodiment of an automatic extension platform, which includes a main body platform 3, a movable platform 6, a horizontal driving assembly 7 and a guard rail 8;
the main body platform 3 is arranged on the carrier vehicle 1, the movable platform 6 is in sliding fit with the main body platform 3, the movable platform 6 is driven to move on the main body platform 3 through the horizontal driving assembly 7, and the main body platform 3 and the movable platform 6 are combined to form an operation platform; the edge of the operation platform is provided with the guard rail 8.
The operation platform is arranged on the carrier vehicle 1, and the operation platform is arranged along with the carrier vehicle 1 to a place needing to be overhauled, so that the operation platform does not need to be built on site, time and labor are saved, the movable platform 6 can be extended, the space of the whole operation platform is enlarged, and the overhauling and replacement of the fan are facilitated. Meanwhile, as the fan is positioned right above the tunnel, the carrier vehicle 1 is on the right lane, the movable platform 6 can extend towards the center of the tunnel under the drive of the horizontal driving assembly 7, and the normal operation of the left lane is not affected in the process of overhauling and replacing the fan.
In this embodiment, referring to fig. 1 and 4, the horizontal driving assembly 7 includes a telescopic element, the telescopic element is fixedly disposed on the main body platform 3, a chute is disposed on the main body platform 3, the movable platform 6 is slidably matched with the chute, the movable platform 6 may extend to the left side of the carrier vehicle 1, and a telescopic end of the telescopic element is fixedly connected with the movable platform 6, and drives the movable platform 6 to move along the chute through the telescopic element.
In this embodiment, referring to fig. 1 to 4, the main body platform 3 is provided with a transverse chute and a longitudinal chute, the longitudinal chute is disposed along the forward direction of the carrier vehicle 1, and the transverse chute and the longitudinal chute are perpendicular to each other;
the movable platform 6 comprises a first platform 601, a second platform 602 and a third platform 603, the first platform 601 is in sliding fit with the transverse sliding chute, and the second platform 602 and the third platform 603 are in sliding fit with the longitudinal sliding chute. The operation platform is extended to the left side of the carrier vehicle 1 through a first platform 601, and is extended to the front and rear direction through a second platform 602 and a third platform 603.
In this embodiment, referring to fig. 4 and 5, the horizontal driving assembly 7 includes a rotary driving element 701, a first bevel gear 704, a second bevel gear 705, a third bevel gear 706, a fourth bevel gear 702, a fifth bevel gear 703, a first screw 707, a second screw 708, and a third screw 709;
the rotary driving element 701 is fixedly connected with the main body platform 3, the rotary driving element 701 may be a hydraulic motor, a pneumatic motor or an electric motor, the fourth bevel gear 702 is fixedly connected with the rotary driving element 701 coaxially, the fifth bevel gear 703 is rotatably connected with the main body platform 3, the first screw 707 is fixedly connected with the first bevel gear 704 coaxially, the second screw 708 is fixedly connected with the second bevel gear 705 coaxially, the third screw 709 is fixedly connected with the third bevel gear 706 coaxially, the first screw 707, the second screw 708 and the third screw 709 are rotatably connected with the main body platform 3, the first screw 707 is in threaded fit with the first platform 601, the second screw 708 is in threaded fit with the second platform 602, the third screw 709 is in threaded fit with the third platform 603, and the third bevel gear 706 and the fourth bevel gear 702 are engaged with the fifth bevel gear 703.
The fourth bevel gear 702 is driven to rotate by the rotation driving element 701, the fourth bevel gear 702 drives the fifth bevel gear 703 to rotate, the fifth bevel gear 703 drives the first bevel gear 704, the second bevel gear 705 and the third bevel gear 706 to rotate, the first bevel gear 704 drives the first screw rod 707 to rotate, the first screw rod 707 drives the first platform 601 to move along the transverse sliding groove in the rotation process, the second bevel gear 705 drives the second screw rod 708 to rotate, the second platform 602 is driven to move along the longitudinal sliding groove in the rotation process of the second screw rod 708, the third bevel gear 706 drives the third screw rod 709 to rotate, and the third platform 603 is driven to move along the longitudinal sliding groove in the rotation process of the third screw rod 709. Only one power source is utilized to drive the three platforms to move towards three directions simultaneously, and the extension process of the three platforms has good coordination.
In this embodiment, referring to fig. 1-3, the guard rail 8 includes a fixed guard rail 801 and a telescopic guard rail 802, one end of the telescopic guard rail 802 is connected to the main body platform 3, the other end of the telescopic guard rail 802 is connected to the movable platform 6, the main body platform 3 and the movable platform 6 are fixedly provided with the fixed guard rail 801, and the telescopic guard rail 802 and the fixed guard rail 801 form a closed-loop space. The movable platform 6 drives the telescopic guardrail 802 to stretch in the stretching process, so that the guardrail is arranged around the operation platform at any time in the stretching process of the whole platform, and the construction on the operation platform is safer.
In this embodiment, referring to fig. 1-3, the telescopic guardrail 802 includes a plurality of rods 8021, and the rods 8021 are connected in a scissor-type staggered rotation manner, so that the telescopic guardrail has a simple structure and is convenient to install.
In this embodiment, the telescopic element is an air cylinder, an oil cylinder or an electric push rod.
In this embodiment, referring to fig. 4, the rotary driving element 701 is a hydraulic motor, a pneumatic motor or an electric motor.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (5)
1. An automatic extension platform, comprising: the device comprises a main body platform, a movable platform, a horizontal driving assembly and a protective fence;
the movable platform is in sliding fit with the main body platform, the movable platform is driven to move on the main body platform through the horizontal driving assembly, the main body platform and the movable platform are combined to form an operation platform, and the edge of the operation platform is provided with the guard rail;
the horizontal driving assembly comprises a telescopic element, the telescopic element is fixedly arranged on the main body platform, a chute is arranged on the main body platform, the direction of the chute is vertical to the advancing direction of the carrier vehicle, the movable platform is in sliding fit with the chute, and the telescopic end of the telescopic element is fixedly connected with the movable platform;
the main body platform is provided with a transverse chute and a longitudinal chute, the longitudinal chute is arranged along the forward direction of the carrier, and the transverse chute and the longitudinal chute are mutually perpendicular;
the movable platform comprises a first platform, a second platform and a third platform, the first platform is in sliding fit with the transverse sliding chute, and the second platform and the third platform are in sliding fit with the longitudinal sliding chute
The horizontal driving assembly comprises a rotary driving element, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a fifth bevel gear, a first screw rod, a second screw rod and a third screw rod;
the rotary drive element is fixedly connected with the main body platform, the fourth bevel gear is fixedly connected with the rotary drive element coaxially, the fifth bevel gear is rotatably connected with the main body platform, the first screw rod is fixedly connected with the first bevel gear coaxially, the second screw rod is fixedly connected with the second bevel gear coaxially, the third screw rod is fixedly connected with the third bevel gear coaxially, the first screw rod, the second screw rod, the third screw rod are rotatably connected with the main body platform, the first screw rod is in threaded fit with the first platform, the second screw rod is in threaded fit with the second platform, the third screw rod is in threaded fit with the third platform, and the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are meshed with the fifth bevel gear.
2. The self-expanding platform of claim 1, wherein: the rail guard includes fixed guardrail and flexible guardrail, flexible guardrail one end with the main part platform is connected, flexible guardrail other end with movable platform connects, the main part platform with equal fixed mounting has fixed guardrail on the movable platform, flexible guardrail with fixed guardrail is a closed loop space.
3. The self-expanding platform of claim 2, wherein: the telescopic guardrail comprises a plurality of rod pieces which are connected in a scissor-type staggered rotation mode.
4. The self-expanding platform of claim 1, wherein: the telescopic element is an air cylinder, an oil cylinder or an electric push rod.
5. The self-expanding platform of claim 1, wherein: the rotary driving element is a hydraulic motor, a pneumatic motor or an electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223134604.4U CN218965382U (en) | 2022-11-25 | 2022-11-25 | Automatic extension platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223134604.4U CN218965382U (en) | 2022-11-25 | 2022-11-25 | Automatic extension platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218965382U true CN218965382U (en) | 2023-05-05 |
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ID=86162341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223134604.4U Active CN218965382U (en) | 2022-11-25 | 2022-11-25 | Automatic extension platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218965382U (en) |
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2022
- 2022-11-25 CN CN202223134604.4U patent/CN218965382U/en active Active
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