CN216886361U - Multifunctional operation platform - Google Patents

Abstract

The utility model discloses a multifunctional operation platform, which is arranged on a rail engineering vehicle through a frame and comprises: the bottom plate sets up frame assembly and rail backplate on the bottom plate. The frame assembly comprises a movable door, a fixed frame and a movable frame, wherein the movable frame is movably arranged on the upper part of the fixed frame and adopts a foldable or telescopic or turnover structure. The utility model can solve the technical problem that when the existing multi-platform functional operating vehicle (state iron, city area line and the like) works, the operating platform can not adapt to platform use and transportation limit under different limit conditions, and can enable the multi-platform functional operating vehicle to effectively adapt to city area line environment operation, thereby not only meeting the operating conditions of normal use function and fence protection height meeting the standard, but also meeting the limit conditions of the whole vehicle in a vehicle folding and transporting state.

Description

Multifunctional operation platform

Technical Field

The utility model relates to the technical field of railway engineering machinery, in particular to a multifunctional operation platform applied to a track engineering multifunctional platform operation vehicle, in particular to a movable fence type multifunctional operation platform which is mainly applied to the field of contact network maintenance of railway maintenance construction.

Background

China railway transportation has completely entered the era of electric locomotives, a contact net is taken as a power source of the electric locomotives and high-speed railway trains, and the maintenance work of the contact net is an important part of the current railway line maintenance. The three-platform operation device is commonly applied to a current overhead line system maintenance operation vehicle, is a manned operation platform capable of realizing all-dimensional maintenance and repair of an overhead line system (comprising a contact wire, a catenary cable, a strut, a supporting device and the like), and meanwhile, the operation platform generally has multiple functions of operating a machine, storing tools and equipment, providing a power supply or an air source for the tools and the like according to operation needs. The operation platforms of the existing three-platform operation device all adopt fixed fences, and cannot meet the requirement of transportation limits of urban railway lines, so that the three-platform operation device can only be used on the national railway lines.

In the prior art, the following technical schemes are mainly related to the utility model:

prior art 1 is a chinese utility model patent published under CN213976875U in 20/10/22/2021 and published under 10/17/2021 by the engineering machinery limited company of the time of school chicken. The utility model discloses a straight arm dual-rotation overhauls work platform mechanism is fixed with one-level slewer on the base, one-level slewer is connected through becoming the width of cloth telescoping device with the second grade slewer that the upper end was fixed with work platform, the last line device of dialling of lifting that is equipped with of work platform, be equipped with on the one-level slewer with become width of cloth telescoping device one end articulated and be used for adjusting the width of cloth hydro-cylinder that becomes width of cloth telescoping device pitching action, become width of cloth telescoping device other end be equipped with the second grade slewer articulated and be used for adjusting the leveling hydro-cylinder of work platform angle. The utility model discloses a 360 continuous rotary motion of operation platform with adjustable have been realized, and the whole action flexibility of mechanism is high, can effectively the full coverage contact net, tunnel, the regional operating mode of sound barrier maintenance, and increase operation platform space, bearing capacity promote, can hold operation personnel and equipment increase in quantity, more utilize the maintenance operation, and it is low to the accuracy requirement of vehicle fixed point parking, the flexibility of make full use of operation platform action, compensation and adjustment operation platform position.

Prior art 2 is a chinese utility model patent published under patent No. CN211733781U, applied by xuzhou xu engineering lorry-mounted crane limited in 2019, 12 and 23 months, and published in 2020, 10 and 23 months. The utility model discloses a but horizontal extension's contact net detects high altitude construction platform and high altitude construction equipment. A contact net detection aerial work platform capable of being transversely expanded comprises a large fixed platform and a small movable platform. Fixed big platform is equipped with vertical guardrail, horizontal outer guardrail and horizontal interior guardrail, and horizontal outer guardrail, horizontal interior guardrail are connected respectively at the both ends of vertical guardrail, and the length of horizontal interior guardrail is less than the horizontal width of fixed big platform, and movable small platform slidable connection is in horizontal outer guardrail, between the horizontal interior guardrail, and movable small platform has two, and crisscross setting is in the both sides of fixed big platform. The movable small platform is provided with small platform side guardrails and small platform end guardrails, and retractable guardrail assemblies are further arranged between the small platform side guardrails and the transverse outer guardrails and between the small platform side guardrails and the transverse inner guardrails. The utility model discloses an aerial working platform can increase its working range through the mode of horizontal extension.

However, the aerial work platform disclosed in the above prior art focuses on splicing the guardrails of the platform in an overall telescopic manner, and the fence does not provide a function of installing other fixed devices, and cannot solve the technical problems that the multi-platform functional work vehicle not only meets the normal work function thereof, but also adapts to the application of different boundary line conditions, and cannot be used on a city territory line.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a multifunctional work platform, so as to solve the technical problem that the work platform cannot adapt to the usage and transportation limits of the platform under different limit conditions when a multi-platform functional work vehicle (state iron, city territory line, etc.) works.

In order to achieve the above object of the present invention, the present invention specifically provides a technical implementation scheme of a multifunctional operation platform, which is arranged on a rail engineering vehicle through a frame, and comprises a main platform, a left platform and a right platform. Main platform, left platform and right platform all include: the bottom plate, set up in frame assembly and rail backplate on the bottom plate. The frame assembly comprises a movable door, a fixed frame and a movable frame, wherein the movable frame is movably arranged on the upper part of the fixed frame and adopts a foldable or telescopic or turnover structure.

Furthermore, the movable door comprises a movable door fence, a fixed door fence and a door lock, the movable door fence is installed on the upper portion of the fixed door fence through a movable hinge, and the door lock is arranged on the outer side edge of the fixed door fence.

Furthermore, a door stop for realizing the door closing limiting effect is arranged at the position where the outer side edge of the fixed door fence is in contact with the fixed frame, and the door stop is in contact with the fixed frame when the movable door is closed.

Further, be provided with down the locking plate on the fixed door fence, be provided with anticreep chain and bolt on the locking plate down, be provided with the locking plate on the dodge gate fence when the dodge gate fence is folding go up the locking plate under the locking plate can cooperate to lock the dodge gate fence through the bolt.

Furthermore, the door lock comprises a spring and a lock cylinder, and the lock cylinder is matched with a stop block on the fixed frame under the elastic acting force of the spring so as to realize locking when the movable door is closed.

Furthermore, a control console, an electric socket, a lighting lamp, a tool box and a tool box are arranged on the fixed framework of the main platform, and a foot switch which is connected with the control console and used for controlling the multi-platform operation device to act is further arranged on the main platform.

Furthermore, a control console, an electric socket, a lighting lamp, a tool box and a winding wheel are arranged on the fixed frames of the left platform and the right platform, and a foot switch which is connected with the control console and used for controlling the multi-platform operation device to act is further arranged on the main platform.

Further, the inner side edge of the movable door is installed at the position of the door frame of the fixed frame through an elastic hinge.

Further, the fixed frame of the main platform includes a front rail, a rear rail, and left and right rails disposed opposite to each other on the bottom plate. The inner side edge of the movable door is arranged at the positions of the door frames of the front fence and the rear fence through elastic hinges.

Furthermore, the outer side edge of the fixed door fence is provided with a door stop used for realizing the door closing limiting effect at the position where the fixed door fence contacts with the front surrounding fence and the rear fence, and the door stop contacts with the front surrounding fence and the rear fence when the movable door is closed. And guardrails are arranged on the outer sides of the left fence and the right fence.

Furthermore, the movable door of the main platform comprises a first movable door, a second movable door and a third movable door. The second movable door and the third movable door are respectively arranged at the left side and the right side of the rear fence, and the first movable door is arranged at one side of the front fence and is opposite to the second movable door. The first movable door is a main door entering the main platform, and the second movable door and the third movable door are respectively used for entering the left platform and the right platform. The movable doors of the left platform and the right platform comprise a movable door IV, and the opening position of the movable door IV, the movable door II and the movable door III are respectively used for entering the left platform and the right platform from the main platform.

Furthermore, a door guardrail is arranged on the outer side of the fixed door fence of the first movable door and used for protecting the main platform.

Through the implementation of the technical scheme of the multifunctional operation platform provided by the utility model, the multifunctional operation platform has the following beneficial effects:

(1) the multifunctional operation platform can conveniently and quickly change the overall height of the multifunctional platform operation vehicle through the movable fence structure, so that the multifunctional platform operation vehicle can not only ensure normal use function and meet the operation condition of standard fence protection height, but also meet the whole vehicle limit condition in a vehicle receiving and transporting state, and can adapt to construction operation under different railway limit conditions;

(2) according to the multifunctional operation platform, the movable door is arranged at the door frame position of the fixed frame through the elastic hinge and is used for workers to enter and exit the platform and communicated with other platforms, the elastic hinge provides pressure for closing the movable door, and meanwhile, the movable door is provided with the door stop and is in contact with the side edge of the fixed frame when being closed, so that the effect of limiting door closing can be achieved, the movable door cannot be easily opened, and safety is guaranteed;

(3) according to the multifunctional operation platform, the guardrails are arranged on the upper outer sides of the left fence and the right fence of the main platform, so that an anti-collision effect is achieved; in addition, a lower locking plate is arranged on the front fence and the rear fence, a drop-proof chain and a bolt are installed on the lower locking plate, the upper locking plate arranged on the movable frame is always matched with the lower locking plate when the door fence is folded, the movable frame is locked through the bolt, and the movable door is further prevented from being opened easily and safety is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, from which other embodiments can be derived by a person skilled in the art without inventive effort.

FIG. 1 is a schematic diagram of an overall installation configuration of one embodiment of the multi-function work platform of the present invention;

FIG. 2 is a schematic diagram of the structural components of an embodiment of the multi-purpose work platform of the present invention;

FIG. 3 is a schematic illustration of a primary platform of an embodiment of the multi-function work platform of the present invention;

FIG. 4 is a schematic structural diagram of a left platform of an embodiment of the multi-function work platform of the present invention;

FIG. 5 is a schematic illustration of a main platform frame assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a main platform movable frame and a movable door sill before being folded according to an embodiment of the multifunctional work platform of the present invention;

FIG. 7 is a schematic structural view of the multifunctional work platform according to an embodiment of the present invention after the movable frame and the movable door sill of the main platform are folded;

FIG. 8 is a schematic front view of a movable door sill of a movable door of a main platform of an embodiment of the multifunctional work platform of the present invention before being folded;

FIG. 9 is a schematic side view of a movable fence of a movable door of a main platform of an embodiment of the multifunctional work platform of the present invention before being folded;

FIG. 10 is a schematic side view of a folded movable fence of a movable door of a main platform of an embodiment of the multifunctional work platform of the present invention;

FIG. 11 is a schematic structural view of a door lock of a main deck sliding door according to an embodiment of the present invention;

in the figure: 1-multifunctional working platform, 2-multi-platform working device, 3-rail engineering truck, 4-frame, 11-main platform, 12-left platform, 13-right platform, 110-frame assembly, 111-bottom plate, 112-fence guard board, 113-console, 114-electrical socket, 115-lighting lamp, 116-tool box, 117-tool box, 118-foot switch, 119-winding wheel, 1000-movable door, 1001-movable door I, 1002-movable door II, 1003-movable door III, 1004-movable door IV, 1100-movable door fence, 1200-fixed door fence, 1300-door lock, 1301-lock core, 1302-spring, 1303-stopper, 1400-door stopper, 1500-movable hinge, 1600-anticreep chain, 1700-door guardrail, 1801-bolt, 1802-upper locking piece, 1803-lower locking piece, 2000-fixed frame, 2001-front rail, 2002-rear rail, 2003-guardrail, 2004-left rail, 2005-right rail, 3000-movable frame, 4000-elastic hinge.

Detailed Description

For reference and clarity, the terms, abbreviations or abbreviations used hereinafter are as follows:

multi-platform functional work vehicle (DPT): the track engineering vehicle is mainly applied to railway contact network maintenance;

multi-platform operation device: the main operation device on the multi-platform functional operation vehicle and the lifting device of the multi-functional maintenance platform.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 11, embodiments of the multifunctional work platform of the present invention are shown, and the present invention will be further described with reference to the drawings and the embodiments.

The specific embodiment of the utility model provides a movable fence type multifunctional working platform 1 of a multi-platform functional working vehicle (DPT), and the overall structural layout of the platform is shown in figure 1. The multifunctional working platform 1 is provided on a multi-platform working device 2 of a rail working vehicle 3 (i.e., a multi-platform functional working vehicle, DPT). The multifunctional operation platform 1 is further arranged on a vehicle body of the rail engineering vehicle 3 through a frame 4, and the specific structural composition distribution of the multifunctional operation platform is shown in the attached figure 2. The following describes the technical solution of the embodiment of the present invention in detail by taking a three-stage working apparatus as an example. The multifunctional working platform 1 is divided into a main platform 11, a left platform 12 and a right platform 13 according to the position difference of the multifunctional working platform on the multi-platform working device 2. The main platform 11 is communicated with the left platform 12 and the right platform 13, the left platform 12 and the right platform 13 are completely symmetrical in structure, and the multifunctional operation platforms 1 are different in structure, but similar in functional composition and movement principle.

As shown in fig. 3 and 4, an embodiment of a multifunctional work platform 1 is arranged on a rail engineering vehicle 3 through a frame 4, and the multifunctional work platform 1 includes a main platform 11, a left platform 12 and a right platform 13. Main platform 11, left platform 12 and right platform 13 all further specifically include: a bottom plate 111, a frame assembly 110 disposed on the bottom plate 111, and a fence panel 112. As shown in fig. 5, the frame assembly 110 further includes a movable door 1000, a fixed frame 2000 and a movable frame 3000, wherein the inner side of the movable door 1000 is mounted to the door frame of the fixed frame 2000 by an elastic hinge 4000. The movable frame 3000 is movably disposed on the upper portion of the fixed frame 2000, and adopts a foldable or retractable or convertible structure. As a typical embodiment, the following describes the technical solution of the present invention in detail by taking the movable frame 3000 with a foldable structure as an example.

As shown in fig. 3, the fixed frame 2000 of the main platform 11 is further provided with a console 113, an electrical outlet 114, an illumination lamp 115, a tool box 116 and a tool box 117, and the main platform 11 is further provided with a foot switch 118 connected to the console 113 and used for controlling the operation of the multi-platform working device 2. As shown in fig. 4, the fixed frame 2000 of the left and right stages 12 and 13 is further provided with a console 113, an electric outlet 114, an illumination lamp 115, a tool box 116, and a take-up reel 119. The main platform 11 is further provided with a foot pedal 118 connected to the console 113 for controlling the operation of the multi-platform working device 2. Among them, the tool box 116 and the tool box 117 are used for storing tools, the control box 113 and the foot switch 118 are used for controlling the operation of the multi-platform working apparatus 2 in cooperation, and the electric socket 114 and the reel 119 are used for actual aerial work. The main structure of the multifunctional working platform 1 is composed of a frame assembly 110, a plurality of anti-skid bottom plates 111 and fence plates 112, and the above functional devices are fixed to the frame assembly 110 or the relevant positions of the bottom plates 111 through bolt connection.

As shown in fig. 8, the movable door 1000 further includes a movable door sill 1100, a fixed door sill 1200, and a door lock 1300. The movable door sill 1100 is mounted to the upper portion of the fixed door sill 1200 by two movable hinges 1500 and eight bolts for changing the shielding height of the movable door 1000. The protection height of the door sill during normal operation is shown as A1 in figure 9, and the height of the door sill meeting the transportation limit condition is shown as A2 in figure 10. As shown in fig. 11, the door lock 1300 is disposed at an outer side of the fixed door rail 1200, and the movable position of the door lock is limited by a bolt, and mainly includes a spring 1302 and a lock core 1301, and the lock core 1301 cooperates with a stop 1303 on the fixed frame 2000 under the elastic force of the spring 1302 to achieve locking when the movable door 1000 is closed.

As shown in fig. 8 and 9, the fixed door sill 1200 is provided with a lower lock piece 1803, the lower lock piece 1803 is provided with a drop-proof chain 1600 and a bolt 1801, the movable door sill 1100 is provided with an upper lock piece 1802, and when the movable door sill 1100 is folded, the upper lock piece 1802 can be matched with the lower lock piece 1803 and can lock the movable door sill 1100 through the bolt 1801. A door stop 1400 for limiting the door closing is further disposed at a position where the outer side of the fixed door rail 1200 contacts the fixed frame 2000, and the door stop 1400 contacts the fixed frame 2000 when the movable door 1000 is closed.

As shown in fig. 5, the first movable door 1001, the second movable door 1002 and the third movable door 1003 are all mounted on the front enclosure 2001 and the door frame of the rear enclosure 2002 of the fixed frame 2000 by two elastic hinges 4000 and eight bolts, and are used for workers to enter and exit the main platform 11 and communicate with other platforms (i.e., the left platform 12 and the right platform 13). The elastic hinge 4000 provides pressure for closing the movable door 1000, so that the movable door 1000 is not easily opened to ensure safety.

The fixing frame 2000 of the main deck 11 includes a front rail 2001, a rear rail 2002, and a left rail 2004 and a right rail 2005 which are disposed opposite to each other on the bottom plate 111. The inner side edge of the movable door 1000 is attached to the door frame positions of the front rail 2001 and the rear rail 2002 by an elastic hinge 4000. A door stop 1400 for realizing a door closing limiting effect is provided at a position where the outer side edge of the fixed door rail 1200 contacts the front rail 2001 and the rear rail 2002, and the door stop 1400 contacts the front rail 2001 and the rear rail 2002 when the movable door 1000 is closed. The fixing frame 2000 of the left and right decks 12 and 13 includes a front fence 2001, a rear fence 2002, and a left fence 2004 and a right fence 2005 which are disposed opposite to each other on the bottom plate 111. The inner side of the movable door 1000 is mounted to the door frame of the front rail 2001 by a resilient hinge 4000.

The movable door 1000 of the main platform 11 further includes a first movable door 1001, a second movable door 1002, and a third movable door 1003. The second movable door 1002 and the third movable door 1003 are respectively disposed on the left and right sides of the rear fence 2002, and the first movable door 1001 is disposed on one side of the front fence 2001 and is disposed opposite to the second movable door 1002. The shape of the movable door fence 1100 of the movable door three 1003 is different from the movable door fences 1100 of the movable doors one 1001 and two 1002, mainly because the devices in the multifunctional working platform 1 need to be avoided when the multifunctional working platform is folded. The first movable door 1001 is a main door for entering the main platform 11, and the second movable door 1002 and the third movable door 1003 are respectively used for entering the left platform 12 and the right platform 13. The movable doors 1000 of the left platform 12 and the right platform 13 include a fourth movable door 1004, and the opened position of the fourth movable door 1004 and the second movable door 1002 and the third movable door 1003 are respectively used for entering the left platform 12 and the right platform 13 from the main platform 11. The outer side of the fixed door fence 1200 of the first movable door 1001 is further provided with a door guardrail 1700 for protecting the main platform 11. The fixed door sill 1200 is further assembled and welded by sectional materials, and is the main structure of the movable door 1000, as shown in fig. 5. The first movable door 1001 is a main door of the main platform 11, and is different from the other two movable doors (i.e., the second movable door 1002 and the third movable door 1003) in that a door guard 1700 is welded to the outer side of the fixed door rail 1200 to protect the main platform 11.

Taking the main platform 11 as an example, as shown in fig. 5, the fixed frame 2000 is formed by welding sectional materials, steel pipes and the like, and structurally includes a front rail 2001, a rear rail 2002, a left rail 2004 and a right rail 2005, which are mainly used for installing the movable door 1000 and various devices. Guardrail 2003 is welded to the outer sides of left fence 2004 and right fence 2005, so that the anti-collision effect is achieved. In addition, a lower locking piece 1803 is welded on the front enclosure 2001 and the rear enclosure 2002, a falling-off preventing chain 1600 and a bolt 1801 are installed on the lower locking piece 1803, an upper locking piece 1802 is welded on the movable door sill 1100, and the upper locking piece 1802 can be matched with the lower locking piece 1803 when the movable door sill 1100 is folded, and the movable door sill 1100 is locked through the bolt 1801.

The movable frame 3000 of the main platform 11 is mounted on the left and right rails 2004 and 2005 of the fixed frame 2000 by two movable hinges 1500 and eight bolts, and the height of the rail protection of the multifunctional work platform 1 is changed by folding. The movable frames 3000 of the left and right platforms 12 and 13 are mounted on the rear, left and right rails 2002, 2004, and 2005 of the fixed frame 2000 by two movable hinges 1500 and eight bolts. As can be seen from fig. 2, the movable frame 3000 is arranged in such a way that it does not interfere with any device in the multifunctional work platform 1 during the folding process, and is convenient, fast, safe and reliable. As shown by comparing fig. 6 and fig. 7, the movable frame 3000 and the movable door fence 1100 are folded together to change the overall fence height of the multifunctional working platform 1 to meet the working requirements of transportation limits, B1 is the fence height of the multifunctional working platform during normal operation, and B2 is the fence height of the multifunctional working platform meeting the transportation limit conditions.

The multifunctional work platform 1 described in the embodiment of the present invention adopts a multifunctional work platform structure capable of quickly adjusting and locking the height of a fence to implement the way that the multifunctional work platform can adapt to work in different boundaries, and is not limited to the folding movable fence structure adopted in the embodiment, and movable fences adopting other action forms, such as fences of telescopic and turnover structures, belong to alternative embodiments of the present invention.

In the description of the present application, it is noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present application can be implemented, so that the present application has no technical significance.

By implementing the technical scheme of the multifunctional operation platform described in the specific embodiment of the utility model, the following technical effects can be produced:

(1) the multifunctional operation platform described in the specific embodiment of the utility model can conveniently and quickly change the overall height of the multifunctional platform operation vehicle through the movable fence structure, so that the multifunctional platform operation vehicle can not only ensure normal use function and meet operation conditions of standard fence protection height, but also meet vehicle boundary conditions in a vehicle receiving and transporting state, and can adapt to construction operation under different railway boundary conditions;

(2) according to the multifunctional operation platform described in the specific embodiment of the utility model, the movable door is arranged at the door frame position of the fixed frame through the elastic hinge and is used for workers to enter and exit the platform and communicate with other platforms, the elastic hinge provides pressure for the closing of the movable door, and meanwhile, the movable door is provided with the door stop and is contacted with the side edge of the fixed frame when being closed, so that the effect of limiting the door to be closed can be achieved, and the movable door cannot be easily opened to ensure the safety;

(3) in the multifunctional operation platform described in the specific embodiment of the utility model, the guardrails are arranged on the upper outer sides of the left fence and the right fence of the main platform, so that an anti-collision effect is achieved; in addition, the lower locking plates are arranged on the front fence and the rear fence, the anti-falling chain and the bolt are installed on the lower locking plates, the upper locking plates arranged on the movable frame are always matched with the lower locking plates when the door fence is folded, the movable frame is locked through the bolt, and the movable door is further prevented from being opened easily, so that safety is guaranteed.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the utility model in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many variations and modifications to the disclosed embodiments, or equivalent variations, without departing from the spirit and scope of the utility model, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (12)

1. A multifunctional operation platform is arranged on a rail engineering vehicle (3) through a frame (4), and is characterized in that the multifunctional operation platform (1) comprises a main platform (11), a left platform (12) and a right platform (13); main platform (11), left platform (12) and right platform (13) all include: a bottom plate (111), a frame assembly (110) and a fence guard plate (112) arranged on the bottom plate (111); frame assembly (110) is including dodge gate (1000), fixed frame (2000) and movable frame (3000), movable frame (3000) movably sets up in the upper portion of fixed frame (2000) to adopt collapsible or flexible or convertible structure.

2. The multi-function work platform of claim 1, wherein: the movable door (1000) comprises a movable door sill (1100), a fixed door sill (1200) and a door lock (1300), wherein the movable door sill (1100) is installed on the upper portion of the fixed door sill (1200) through a movable hinge (1500), and the door lock (1300) is arranged on the outer side edge of the fixed door sill (1200).

3. The multi-function work platform of claim 2, wherein: the outer side edge of the fixed door sill (1200) is provided with a door stop (1400) used for achieving a door closing limiting effect at a position where the outer side edge of the fixed door sill contacts the fixed frame (2000), and the door stop (1400) contacts the fixed frame (2000) when the movable door (1000) is closed.

4. A multi-function work platform according to claim 2 or 3, wherein: be provided with down locking plate (1803) on fixed door fence (1200), be provided with anticreep chain (1600) and bolt (1801) down on locking plate (1803), be provided with locking plate (1802) on dodge gate (1100) when dodge gate (1100) are folding go up locking plate (1802) can cooperate down locking plate (1803) to lock dodge gate (1100) through bolt (1801).

5. The multi-function work platform of claim 4, wherein: the door lock (1300) comprises a spring (1302) and a lock cylinder (1301), wherein the lock cylinder (1301) is matched with a stop block (1303) on the fixed frame (2000) under the elastic acting force of the spring (1302) so as to realize locking when the movable door (1000) is closed.

6. A multi-function work platform according to claim 2, 3 or 5, wherein: a control console (113), an electric socket (114), an illuminating lamp (115), a tool box (116) and a tool box (117) are arranged on a fixed frame (2000) of the main platform (11); the main platform (11) is also provided with a foot switch (118) which is connected with the control platform (113) and is used for controlling the multi-platform operation device (2) to act.

7. The multi-function work platform of claim 6, wherein: a control console (113), an electric socket (114), a lighting lamp (115), a tool box (116) and a winding wheel (119) are arranged on the fixed frame (2000) of the left platform (12) and the right platform (13); the main platform (11) is also provided with a foot switch (118) which is connected with the control platform (113) and is used for controlling the multi-platform operation device (2) to act.

8. A multi-function work platform according to claims 2, 3, 5 or 7, wherein: the inner side of the movable door (1000) is arranged at the door frame position of the fixed frame (2000) through an elastic hinge (4000).

9. The multi-function work platform of claim 8, wherein: a fixing frame (2000) of the main platform (11) includes a front rail (2001), a rear rail (2002), and a left rail (2004) and a right rail (2005) which are disposed opposite to each other on the bottom plate (111); the inner side of the movable door (1000) is arranged at the door frame positions of the front rail (2001) and the rear rail (2002) through an elastic hinge (4000).

10. The multi-function work platform of claim 9, wherein: a door stop (1400) used for realizing the door closing limiting effect is arranged at the position where the outer side edge of the fixed door rail (1200) is contacted with the front rail (2001) and the rear rail (2002), and the door stop (1400) is contacted with the front rail (2001) and the rear rail (2002) when the movable door (1000) is closed; and guardrails (2003) are arranged on the outer sides of the left fence (2004) and the right fence (2005).

11. Multifunctional work platform according to claim 9 or 10, characterized in that: the movable door (1000) of the main platform (11) comprises a first movable door (1001), a second movable door (1002) and a third movable door (1003); the second movable door (1002) and the third movable door (1003) are respectively arranged on the left side and the right side of the rear fence (2002), and the first movable door (1001) is arranged on one side of the front fence (2001) and is opposite to the second movable door (1002); the first movable door (1001) is a main door entering the main platform (11), and the second movable door (1002) and the third movable door (1003) are respectively used for entering the left platform (12) and the right platform (13); the movable doors (1000) of the left platform (12) and the right platform (13) comprise a movable door four (1004), and the opening positions of the movable door four (1004) and the movable doors two (1002) and three (1003) are respectively used for entering the left platform (12) and the right platform (13) from the main platform (11).

12. The multi-function work platform of claim 11, wherein: and a door guardrail (1700) is arranged on the outer side of the fixed door fence (1200) of the first movable door (1001) and is used for protecting the main platform (11).

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