CN113184770B - High-altitude operation engineering machine and operation platform assembly thereof - Google Patents
High-altitude operation engineering machine and operation platform assembly thereof Download PDFInfo
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- CN113184770B CN113184770B CN202110583293.0A CN202110583293A CN113184770B CN 113184770 B CN113184770 B CN 113184770B CN 202110583293 A CN202110583293 A CN 202110583293A CN 113184770 B CN113184770 B CN 113184770B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses an aerial work engineering machine and an operation platform assembly thereof, wherein the operation platform assembly comprises a main platform mechanism and an extension platform mechanism, the main platform mechanism is connected with a rail locomotive through a telescopic mechanism, the extension platform mechanism is movably connected with the main platform mechanism to realize the extension along the horizontal direction, and an auxiliary platform mechanism which can extend and retract along the vertical direction is arranged at the end part of the extension platform mechanism, which is far away from the main platform mechanism. Through setting up main platform mechanism, extend platform mechanism and auxiliary platform mechanism, can make the work platform assembly collect along the extension of horizontal direction and along the raising and lowering functions of vertical direction, in railway contact net maintenance construction work in-process, can be according to the operation operating mode of difference, realize along the extension and the withdrawal of horizontal direction through extending platform mechanism, realize along the rising and the decline of vertical direction through auxiliary platform mechanism, thereby carry the operation personnel to appointed operation region, not only can expand the working range, and can show and improve the operating efficiency.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to an operation platform assembly. The invention also relates to an aerial work engineering machine with the work platform assembly.
Background
In the field of engineering machinery, in order to maintain a railway contact system, an aerial work platform generally needs to be additionally arranged above a carriage ceiling of a rail locomotive so as to facilitate construction operation, and the aerial work platform is mainly supported by a telescopic mechanism and can extend to different operation heights. However, the current aerial work platform is not telescopic, so that the partial region of the overhead line system is difficult to overhaul.
Therefore, how to avoid the difficulty in overhauling the partial area of the overhead line system due to the fact that the aerial work platform cannot stretch out and draw back is a technical problem to be solved by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a working platform assembly which can realize extension movement along the horizontal direction and telescopic movement along the vertical direction, so that operators can be conveyed to a designated working area according to different working conditions. The invention also aims to provide the aerial work engineering machinery comprising the work platform assembly.
In order to achieve the above purpose, the present invention provides an operation platform assembly, which includes a main platform mechanism connected to a rail vehicle through a telescoping mechanism, and an extension platform mechanism movably connected to the main platform mechanism to achieve telescoping along a horizontal direction, wherein an auxiliary platform mechanism capable of telescoping along a vertical direction is disposed at an end of the extension platform mechanism away from the main platform mechanism.
Optionally, the main platform mechanism is connected with the extension platform mechanism in a sliding manner, and further comprises a driving mechanism for driving the extension platform mechanism to slide relative to the main platform mechanism, wherein a fixed end of the driving mechanism is hinged to the main platform mechanism, and a movable end of the driving mechanism is hinged to the extension platform mechanism.
Optionally, the bottom of the main platform mechanism is provided with two telescopic main arms, the bottom of the extension platform mechanism is provided with two telescopic auxiliary arms, and the two telescopic auxiliary arms are respectively connected with the two telescopic main arms in a sliding manner.
Optionally, the auxiliary platform mechanism includes an auxiliary platform upper platform, and a scissor mechanism disposed below the auxiliary platform upper platform, fixedly connected to the extension platform mechanism, and used for the auxiliary platform upper platform to move telescopically in the vertical direction.
Optionally, the actuating element of the scissors mechanism and the actuating element of the extension platform mechanism are both hydraulic oil cylinders, and the hydraulic oil system further includes an oil supply assembly for conveying hydraulic oil to the actuating element of the scissors mechanism and the actuating element of the extension platform mechanism.
Optionally, the oil supply assembly comprises an oil tank, an oil pump, and a hydraulic pipeline connected with the oil tank and the oil pump; the hydraulic pipeline comprises a first pipeline, a second pipeline and a third pipeline, and the second pipeline is connected with the first pipeline and the third pipeline.
Optionally, the device further comprises a supporting plate and a supporting plate, wherein a first sliding rail for the supporting plate to slide is arranged on the main platform mechanism, a second sliding rail for the supporting plate to slide is arranged on the supporting plate, the first sliding rail and the second sliding rail are arranged along the telescopic direction of the extension platform mechanism, the supporting plate is fixedly connected with the extension platform mechanism, the first pipeline is fixed on the main platform mechanism, and the third pipeline is fixed on the supporting plate.
Optionally, the number of the extension platform mechanisms is at least two, two adjacent extension platform mechanisms are movably connected, and the extension platform mechanism located at the tail end is provided with the auxiliary platform mechanism.
The invention also provides an aerial work engineering machine which comprises the work platform assembly.
Optionally, the aerial work engineering machinery is specifically equipment for track catenary maintenance, the equipment includes the track locomotive and the telescopic mechanism for the main platform mechanism to extend and retract along the vertical direction, and the bottom of the telescopic mechanism is fixedly connected to a carriage underframe of the track locomotive.
Compared with the background art, the working platform assembly provided by the embodiment of the invention comprises a main platform mechanism, an extension platform mechanism and an auxiliary platform mechanism, wherein the main platform mechanism is connected with a rail locomotive through a telescopic mechanism, the extension platform mechanism is movably connected with the main platform mechanism so as to realize telescopic motion along the horizontal direction, the end part of the extension platform mechanism, which is far away from the main platform mechanism, is provided with the auxiliary platform mechanism, and the auxiliary platform mechanism can be stretched and retracted along the vertical direction. Compared with the traditional non-telescopic aerial work platform, the aerial work platform has the advantages that the main platform mechanism, the extension platform mechanism and the auxiliary platform mechanism are arranged, the work platform assembly can integrate the extension function along the horizontal direction and the lifting function along the vertical direction, in the maintenance and construction work process of the railway contact net, the extension and retraction along the horizontal direction can be realized through the extension platform mechanism according to different work conditions, the rising and falling along the vertical direction can be realized through the auxiliary platform mechanism, the operator can be conveyed to a specified work area, the work range can be expanded, and the work efficiency can be obviously improved.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a work platform assembly provided by the present invention in a folded state;
FIG. 2 is a schematic structural view of a work platform assembly provided by the present invention in a deployed state;
FIG. 3 is a schematic diagram of the hydraulic circuit arrangement of the work platform assembly according to the present invention in a collapsed state;
fig. 4 is a schematic diagram of the hydraulic pipeline arrangement of the work platform assembly in the unfolded state.
Wherein:
the device comprises a 1-rail locomotive, a 2-telescopic mechanism, a 3-operation platform assembly, a 31-main platform mechanism, a 311-telescopic main arm, a 32-extension platform mechanism, a 321-telescopic auxiliary arm, a 33-auxiliary platform mechanism, a 331-auxiliary platform upper platform, a 332-scissor fork mechanism, a 34-driving mechanism, a 35-hydraulic pipeline, a 351-first pipeline, a 352-second pipeline, a 353-third pipeline, a 36-supporting plate, a 37-first sliding rail, a 38-supporting plate and a 39-second sliding rail.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The core of the invention is to provide an operation platform assembly, which can realize extension movement along the horizontal direction and telescopic movement along the vertical direction, thereby conveying operators to a designated operation area according to different operation working conditions. The other core of the invention is to provide the aerial work engineering machinery comprising the work platform assembly.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.
Referring to fig. 1 to 4, fig. 1 is a schematic structural view of a working platform assembly provided in the present invention in a folded state; FIG. 2 is a schematic structural view of a work platform assembly according to the present invention in an expanded state; FIG. 3 is a schematic diagram of the hydraulic circuit arrangement of the work platform assembly according to the present invention in a collapsed state; fig. 4 is a schematic diagram of the hydraulic pipeline arrangement of the work platform assembly in the unfolded state.
The working platform assembly 3 provided by the embodiment of the invention comprises a main platform mechanism 31, an extension platform mechanism 32 and an auxiliary platform mechanism 33, wherein the main platform mechanism 31 is connected with a rail locomotive 1 through a telescopic mechanism 2, the extension platform mechanism 32 is movably connected with the main platform mechanism 31 so as to realize telescopic motion along the horizontal direction, the end part of the extension platform mechanism 32, which is far away from the main platform mechanism 31, is provided with the auxiliary platform mechanism 33, and the auxiliary platform mechanism 33 can perform telescopic motion along the vertical direction.
Of course, the above-mentioned telescopic mechanism 2 may be specifically configured as an upright telescopic mechanism, and the vertical lifting of the main platform mechanism 31, the extension platform mechanism 32 and the auxiliary platform mechanism 33 may be realized by driving the upright telescopic mechanism. The upright post telescopic mechanism comprises upright post basic arms and multi-stage upright post telescopic arms which are arranged from outside to inside, and upright post telescopic oil cylinders which are hinged with the upright post telescopic arms one by one; the vertical column basic arm is connected with the arm body of the adjacent vertical column telescopic arm and the adjacent arm body of the multistage vertical column telescopic arm in a sliding mode through the vertical column sliding block, the vertical column basic arm is installed on the top face of a locomotive girder, and the vertical column telescopic oil cylinder is used for extending and retracting the arm body of the vertical column telescopic arm connected with the vertical column basic arm, so that the main platform mechanism 31, the auxiliary platform mechanism and the auxiliary platform mechanism 33 can ascend and descend.
Meanwhile, the extension platform mechanism 32 and the main platform mechanism 31 can be connected in a sliding mode through a sliding pair, and when the platform needs to extend in the horizontal direction, the extension platform mechanism 32 slides relative to the main platform mechanism 31 and extends out of the main platform mechanism 31, so that the purpose of conveying the operator to a designated operation area is achieved.
So, compare in traditional not telescopic aerial working platform, through setting up main platform mechanism 31, extend platform mechanism 32 and auxiliary platform mechanism 33, can make work platform assembly 3 collect along the extension of horizontal direction and along vertical direction's elevating system in one, in railway contact net maintenance construction work in-process, can be according to the operation operating mode of difference, realize along horizontal direction's extension and withdrawal through extending platform mechanism 32, realize along vertical direction's rising and decline through auxiliary platform mechanism 33, thereby carry the operation personnel to appointed operation region, not only can the extension operation scope, and can show improvement operating efficiency.
Further, on the basis that the main platform mechanism 31 is connected with the extension platform mechanism 32 in a sliding manner, the extension platform mechanism further comprises a driving mechanism 34 for driving the extension platform mechanism 32 to slide relative to the main platform mechanism 31, a fixed end of the driving mechanism 34 is hinged to the main platform mechanism 31, and a movable end of the driving mechanism 34 is hinged to the extension platform mechanism 32.
In order to realize the sliding connection between the main platform mechanism 31 and the extension platform mechanism 32, the bottom of the main platform mechanism 31 is provided with two main telescopic arms 311, the bottom of the extension platform mechanism 32 is provided with two auxiliary telescopic arms 321, and the two auxiliary telescopic arms 321 are respectively connected with the two main telescopic arms 311 in a sliding manner. For example, the main telescopic arm 311 and the sub telescopic arm 321 may be both configured as a telescopic tube structure, the sub telescopic arm 321 is sleeved inside the main telescopic arm 311, and the tube structure includes, but is not limited to, a circular or square tube shape. Of course, a sliding connection manner between a sliding block and a sliding rail may also be adopted, for example, a sliding block is disposed between the main platform mechanism 31 and the extension platform mechanism 32, and the sliding effect of the extension platform mechanism 32 relative to the main platform mechanism 31 is achieved through the sliding of the sliding block relative to the sliding rail.
In order to ensure the stability of operation, the driving mechanism 34 is specifically a first hydraulic cylinder, a cylinder body of the first hydraulic cylinder is hinged to the main platform mechanism 31, and a piston rod of the first hydraulic cylinder is hinged to the extension platform mechanism 32. Of course, the number of the first hydraulic oil cylinders can be one or two, and when one is arranged, the first hydraulic oil cylinder is arranged at the middle position.
In addition, an oil supply line is provided to directly connect the center of the main platform mechanism 31 to the first hydraulic cylinder for oil supply.
Of course, according to actual needs, platform guardrail mechanisms are arranged at the tops of the main platform mechanism 31, the extension platform mechanism 32 and the auxiliary platform mechanism 33, and are used for protecting operators.
The extending platform mechanism 32 comprises an extending platform guardrail mechanism and an extending platform guardrail driving assembly, the extending platform guardrail driving assembly is an executing element of the extending platform mechanism 32, and the executing element of the extending platform mechanism 32 comprises an oil cylinder for driving the extending platform guardrail mechanism to automatically lift and an oil cylinder for locking the guardrail position; the auxiliary platform mechanism 33 includes an upper auxiliary platform 331 and a fork mechanism 332 disposed below the upper auxiliary platform 331, the fork mechanism 332 is fixedly connected to the extension platform mechanism 32, and the fork mechanism 332 is used for allowing the upper auxiliary platform 331 to move in a vertical direction in a telescopic manner.
Specifically, the scissors mechanism 332 includes a scissors arm assembly and a scissors drive assembly, which is an actuator of the scissors mechanism 332. One end of the lower part of the scissor arm assembly is hinged on the extension platform mechanism 32, the other end of the lower part slides on the extension platform mechanism 32, one end of the upper part of the scissor arm assembly is hinged on the auxiliary platform upper platform 331, and the other end of the upper part slides on the auxiliary platform upper platform 331.
Of course, the extension platform guardrail drive assembly and the scissor drive assembly are both hydraulic cylinders, and correspondingly, the extension platform guardrail drive assembly further comprises an oil supply assembly for supplying hydraulic oil to the scissor drive assembly and the extension platform guardrail drive assembly of the extension platform mechanism 32. The oil supply assembly includes an oil tank, an oil pump, and a hydraulic line 35 connected to the oil tank and the oil pump.
The oil supply pipeline arrangement of the scissor drive assembly is specifically explained as follows by taking the scissor drive assembly as an example:
the scissor driving assembly is specifically a second hydraulic cylinder, one end of the second hydraulic cylinder is hinged to the bottom of the scissor arm assembly, the other end of the second hydraulic cylinder is hinged to the top of the scissor arm assembly, the scissor arm assembly is driven to lift through the extension and retraction of a piston rod of the second hydraulic cylinder, and the auxiliary platform upper platform 331 is further driven to lift. The second hydraulic cylinder is connected to a hydraulic line 35, which hydraulic line 35 enters the extension platform mechanism 32 from the end of the support plate 38, and the hydraulic line 35 delivers hydraulic oil to the second hydraulic cylinder.
In the present embodiment, hydraulic line 35 includes a first line 351, a second line 352 and a third line 353, with second line 352 connecting first line 351 and third line 353; correspondingly, the work platform assembly 3 further includes a supporting plate 36 and a supporting plate 38, meanwhile, a first sliding rail 37 for the supporting plate 36 to slide is provided on the main platform mechanism 31, a second sliding rail 39 for the supporting plate 38 to slide is provided on the supporting plate 36, and the first sliding rail 37 and the second sliding rail 39 are both provided along the extending and retracting direction of the extending platform mechanism 32. The first pipe 351 is fixed to the main stage mechanism 31, and the third pipe 353 is fixed to the support plate 38.
The support plate 36 can slide horizontally on a first slide rail 37, the support plate 38 is fixedly connected with the extension platform mechanism 32, and the support plate 38 can slide horizontally on a second slide rail 39. The hydraulic pipeline 35 is fixed on the main platform mechanism 31 through a pipe clamp after coming out from the center of the main platform mechanism 31, the hydraulic pipeline 35 enters the supporting plate 38 from the tail end of the main platform mechanism 31 and is fixed on the supporting plate 38 through a pipe clamp, the hydraulic pipeline 35 enters the extension platform mechanism 32 from the tail end of the supporting plate 38, and the hydraulic pipeline 35 conveys hydraulic oil to an actuating element and a second hydraulic oil cylinder of the extension platform mechanism 32. When the extension platform mechanism 32 extends horizontally, the supporting plate 38 fixed on the extension platform mechanism 32 slides horizontally on the second slide rail 39, and drives the supporting plate 36 to slide horizontally on the extension platform mechanism 32, and during the extension and retraction of the extension platform mechanism 32, the supporting plate 36 always drags the hydraulic pipeline 35 to move in a fixed local area.
In order to optimize the above embodiment, the number of the extension platform mechanisms 32 is at least two, two adjacent extension platform mechanisms 32 are movably connected, and the extension platform mechanism 32 at the end is provided with an auxiliary platform mechanism 33. That is, the multistage extension stage mechanism 32 is provided between the main stage mechanism 31 and the auxiliary stage mechanism 33, so that the working area can be further expanded.
The invention provides an aerial work engineering machine, which comprises an operation platform assembly 3 described in the specific embodiment; the high-altitude operation engineering machinery is specifically the equipment that is used for the track contact net to overhaul, and equipment includes track locomotive 1 and is used for supplying telescopic machanism 2 that main platform mechanism 31 stretches out and draws back along vertical direction, and telescopic machanism 2's bottom rigid coupling is on track locomotive 1's carriage chassis. Other parts of the aerial work machine may be referred to in the art and are not described further herein.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The aerial work engineering machine and the work platform assembly thereof provided by the invention are described in detail above. The principles and embodiments of the present invention have been described herein using specific examples, which are set forth only to help understand the principles of the present invention and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A working platform assembly (3) is characterized by comprising a main platform mechanism (31) connected with a rail locomotive (1) through a telescopic mechanism (2), and an extension platform mechanism (32) movably connected with the main platform mechanism (31) to realize the telescopic effect along the horizontal direction, wherein an auxiliary platform mechanism (33) capable of being telescopic along the vertical direction is arranged at the end part, far away from the main platform mechanism (31), of the extension platform mechanism (32);
the auxiliary platform mechanism (33) comprises an auxiliary platform upper platform (331) and a scissor mechanism (332) which is arranged below the auxiliary platform upper platform (331), fixedly connected with the extension platform mechanism (32) and used for the auxiliary platform upper platform (331) to do telescopic motion along the vertical direction;
the actuating element of the scissors mechanism (332) and the actuating element of the extension platform mechanism (32) are both hydraulic oil cylinders, and the hydraulic oil supply device further comprises an oil supply assembly used for conveying hydraulic oil to the actuating element of the scissors mechanism (332) and the actuating element of the extension platform mechanism (32);
the oil supply assembly comprises an oil tank, an oil pump and a hydraulic pipeline (35) connected with the oil tank and the oil pump; the hydraulic circuit (35) comprising a first circuit (351), a second circuit (352) and a third circuit (353), the second circuit (352) connecting the first circuit (351) and the third circuit (353);
still include layer board (36) and backup pad (38), be equipped with the confession on main platform mechanism (31) layer board (36) gliding first slide rail (37), be equipped with the confession on layer board (36) gliding second slide rail (39) of backup pad (38), first slide rail (37) with second slide rail (39) all are followed the flexible direction setting of extension platform mechanism (32), backup pad (38) with extend platform mechanism (32) rigid coupling, first pipeline (351) are fixed in on main platform mechanism (31), third pipeline (353) are fixed in on backup pad (38).
2. The work platform assembly (3) according to claim 1, wherein the main platform mechanism (31) is slidably connected to the extension platform mechanism (32), further comprising a driving mechanism (34) for driving the extension platform mechanism (32) to slide relative to the main platform mechanism (31), wherein a fixed end of the driving mechanism (34) is hinged to the main platform mechanism (31), and a movable end of the driving mechanism (34) is hinged to the extension platform mechanism (32).
3. A work platform assembly (3) according to claim 2, wherein the bottom of the main platform means (31) is provided with two main telescopic arms (311), the bottom of the extending platform means (32) is provided with two sub telescopic arms (321), and the two sub telescopic arms (321) are slidably connected with the two main telescopic arms (311), respectively.
4. A work platform assembly (3) according to any of claims 1-3, wherein there are provided at least two of said extension platform means (32), two adjacent ones of said extension platform means (32) being movably connected and the extension platform means (32) at the end being provided with said auxiliary platform means (33).
5. An aerial work machine, characterized by comprising a work platform assembly (3) according to any one of claims 1-4.
6. The aerial work engineering machine as claimed in claim 5, characterized in that the aerial work engineering machine is a device for track catenary maintenance, the device comprises the track locomotive (1) and the telescoping mechanism (2) for the main platform mechanism (31) to telescope along the vertical direction, and the bottom of the telescoping mechanism (2) is fixedly connected to the carriage underframe of the track locomotive (1).
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CN203221992U (en) * | 2013-04-18 | 2013-10-02 | 宝鸡南车时代工程机械有限公司 | Multi-working-face operation vehicle for contact wires |
CN106542470A (en) * | 2017-01-20 | 2017-03-29 | 徐州徐工随车起重机有限公司 | A kind of railway work high above the ground equipment with three job platforms |
CN208234503U (en) * | 2018-05-09 | 2018-12-14 | 石家庄铁道大学 | Subway overhauls aerial work platform |
CN208667022U (en) * | 2018-06-08 | 2019-03-29 | 徐州顺特机电设备有限公司 | A kind of telescopic boom scissors fork elevating levelling inspection platform |
CN210528386U (en) * | 2019-09-23 | 2020-05-15 | 孙勇青 | Electrified contact net operation car |
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