CN111003666A - Platform safety protection system of large-platform overhead working truck - Google Patents
Platform safety protection system of large-platform overhead working truck Download PDFInfo
- Publication number
- CN111003666A CN111003666A CN201911344357.0A CN201911344357A CN111003666A CN 111003666 A CN111003666 A CN 111003666A CN 201911344357 A CN201911344357 A CN 201911344357A CN 111003666 A CN111003666 A CN 111003666A
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- platform
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- 238000001514 detection method Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 241000256626 Pterygota <winged insects> Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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Classifications
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a platform safety protection system of a large-platform overhead working truck, which comprises a working platform consisting of a supporting plane, a front enclosing plate and two side enclosing plates, wherein the rear end of the working platform is respectively and symmetrically provided with two rotary telescopic devices and two sliding plates capable of stretching and self-locking, and the rear end of the working platform 1 is also symmetrically provided with two flexible shaft bolts for controlling the two rotary telescopic devices to be locked; in the working process, the rotating plate can place the lamp pole into the operating platform only by once operation, so that the working efficiency is improved.
Description
Technical Field
The invention relates to the field of platform high-altitude operation, in particular to a platform safety protection system of a large-platform high-altitude operation vehicle.
Background
With the rapid development of economy and the acceleration of urbanization process in China, the number of the lighting street lamps used for beautifying the environment in all levels of cities is more and more, and the types of the lighting street lamps are more and more abundant. In order to ensure the brightness and the cleanness of the lighting street lamp, the lamp ball needs to be overhauled and cleaned regularly. Dust, automobile exhaust, winged insects, dead leaves and the like in the air threaten the cleanness and the brightness of the street lamp constantly. In order to keep the street lamps clean, the street lamps need to be cleaned regularly.
At present, the street lamp cleaning work is realized by a special large-platform overhead working truck. The multifunctional large platform of the vehicle can simultaneously bear a plurality of people to carry out the work of disassembling, cleaning, installing, overhauling and the like of the street lamp. In order to ensure the safety of the whole operation process, the whole lamp pole is required to be surrounded in the range of the platform during operation. This requires that footboard and the rail guard of platform afterbody can realize quick closure and pack up, not only guarantees the operation safety, guarantees work efficiency again. In order to solve the problems, the scheme adopted at present is to manufacture a pedal at the tail part of the platform into a form of a hinged turning plate, an oil cylinder is used for controlling the action of the turning plate, and the tail part of the platform is closed by adopting a mode of manually placing a rectangular square tube and fixing a bolt. However, the above method mainly has the following problems:
1. the panel turnover structure needs to be opened and closed for many times in the cleaning and overhauling process of a base lamp pole, and the working efficiency is influenced.
2. The turnover plate structure is driven by the oil cylinder, the oil cylinder needs to be connected with the rubber tube for control, and in the using process, the oil cylinder and the rubber tube are always in an exposed state, so that the turnover plate structure is easy to damage, has potential safety hazards, and simultaneously influences the attractiveness of the whole vehicle.
3. The afterbody rail needs artifical transport at every turn, and intensity of labour is big, and the process of fixed protection rail itself just has great potential safety hazard simultaneously.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a platform safety protection system of a large-platform overhead working truck, which has a compact structure, realizes the hidden and built-in arrangement of a rotating plate, a telescopic plate, a corresponding oil cylinder and a corresponding pipeline, reduces the risk of pipeline damage, can place a lamp post into an operation platform by only one-time operation of the rotating plate, and improves the operation efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
2. the invention provides a platform safety protection system of a large-platform overhead working truck, which comprises a working platform consisting of a supporting plane, a front enclosing plate and two side enclosing plates, wherein the rear end of the working platform is respectively and symmetrically provided with two rotary telescopic devices and two sliding plates capable of stretching and self-locking, each rotary telescopic device comprises a rotating plate hinged with the rear end of the working platform, one end of the rotating plate, far away from a hinged point, is slidably connected with a telescopic plate, an electric push rod for controlling the telescopic plate to stretch is fixedly connected between the telescopic plate and the rotating plate, a rotary oil cylinder for controlling the rotating plate to rotate below the sliding plate is fixedly connected between the rotating plate and the working platform, and a supporting rod for supporting the rotating plate is further arranged on the working platform; the operation platform is provided with an electric push rod electrically connected with a controller for detecting signal feedback of the operation platform, and the rear end of the operation platform is also symmetrically provided with two flexible shaft bolts for controlling the expansion plates at two sides to be locked with each other.
Preferably, the flexible axle bolt is including establishing the flexible axle handle on the side bounding wall and establishing the bolt plug on the terminal surface is stretched out to the homonymy expansion plate, the flexible axle handle passes through flexible axle connecting bolt plug and controls its removal, the mutual adaptation of bolt plug of both sides, be equipped with the detection switch that detects flexible axle handle motion limit on the side bounding wall, detection switch electric connection controller.
Preferably, the rear end of the side wall panel is fixedly connected with a fixed fence through a bolt.
Preferably, the rotating plate is hinged to the work platform by a pin shaft.
Preferably, the electric push rod is provided with an overload protection and a limit switch.
Preferably, the support plane, the front wall panel and the two side wall panels are fixed together by welding or bolting.
Preferably, the rear end of one of the side enclosing plates is rotatably connected with a plurality of automatic telescopic rods through universal joints, and the rear end of the other side enclosing plate is provided with a limiting bolt which can be fixed with the extending end of the automatic telescopic rods.
Preferably, the supporting plane is provided with a guard plate for the sliding plate to slide, a hydraulic cylinder is fixedly connected between the sliding plate and the side wall plate, and the hydraulic cylinder is provided with a hydraulic balance valve for controlling the self-locking of the hydraulic balance valve.
The invention has the beneficial effects that: the protection system has a compact structure, realizes the hidden and built-in arrangement of the rotating plate, the telescopic plate, the corresponding oil cylinder and the pipeline, reduces the risk of pipeline damage, and simultaneously leads the structure of the whole vehicle to be more concise and beautiful; in the working process, the rotating plate can place the lamp post into the operating platform only by once operation, so that the working efficiency is improved; meanwhile, the tail rear fence adopts a universal joint rotation and automatic telescopic mode, so that the labor intensity is reduced, and the operation safety is greatly improved; in addition, the detection function of the multilevel safety control system also avoids risks caused by misoperation, and the safety is further 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a general platform safety protection system of a large-platform overhead working truck according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a platform safety protection system expansion plate of a large platform overhead working truck according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a flexible shaft plug according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an installation position of a flexible shaft plug pin and a position of a detection switch according to an embodiment of the present invention
FIG. 5 is a schematic diagram of an installation position of a flexible shaft and a plug pin plug provided in the embodiment of the present invention;
fig. 6 is a schematic view of an installation position of the automatic telescopic rod according to the embodiment of the present invention;
FIG. 7 is a schematic diagram of a control logic of the safety monitoring device of the present invention.
Description of reference numerals:
1-operation platform, 11-support plane, 12-side coaming, 13-fixed fence, 14-sliding plate, 15-support rod, 16-coaming, 2-rotary telescopic device, 21-rotary plate, 22-telescopic plate, 23-rotary oil cylinder, 24-electric push rod, 25-pin shaft, 3-flexible shaft bolt, 31-flexible shaft handle, 32-flexible shaft, 33-bolt plug, 41-universal joint, 42-automatic telescopic rod, 43-limit bolt, 5-controller, 53-detection switch, 6-guard board.
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 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.
As shown in fig. 1 to 7, a platform safety protection system of a large platform high altitude operation vehicle comprises an operation platform 1 formed by welding and fixing a support plane 11, a front coaming 16 and two side coamings 12, wherein the support plane 11, the front coaming 16 and the two side coamings 12 are formed by welding and welding steel pipes and steel plates, the operation platform 1 is a main working position of an operator and is used for disassembling, cleaning and installing a lamp ball, two rotary expansion devices 2 and two sliding plates 14 capable of expanding and self-locking are respectively and symmetrically arranged at the rear end of the operation platform 1, a guard plate 6 for sliding the sliding plates 14 is arranged on the support plane 11, a hydraulic cylinder is fixedly connected between the sliding plates 14 and the side coamings 12, the hydraulic cylinder is provided with a hydraulic balance valve for controlling self-locking of the hydraulic balance valve, the distance between the sliding plates 14 and a lamp pole can be adjusted according to actual conditions of obstacles on the lamp pole, the operation safety is further improved, the two sliding plates 14 can be respectively and independently controlled and can be reliably locked at any position in the process;
the rotary telescopic device 2 comprises a rotary plate 21 hinged with the rear end of the operation platform 1, one end, far away from the hinged point, of the rotary plate 21 is connected with a telescopic plate 22 in a sliding mode, the rotary plate 21 and the telescopic plate 22 are formed by welding steel pipes and steel plates in a splicing mode, an electric push rod 24 used for controlling the telescopic plate 22 to stretch and retract is fixedly connected between the telescopic plate 22 and the rotary plate 21, a rotary oil cylinder 23 used for controlling the rotary plate 21 to rotate to the position below the sliding plate 14 is fixedly connected between the rotary plate 21 and the operation platform 1, and a support rod 15 used for supporting the rotary plate 21 is further arranged on the operation platform 1; when the lamp post enters the working area range, the rotating plate 21 is pushed by the rotating oil cylinder 23 to be screwed out around the fixed pin shaft 25, and after the rotating plate is rotated to the position, the telescopic plates 22 horizontally extend out under the thrust action of the electric push rod 24 until the telescopic plates 22 at the two sides are lapped together;
the rear ends of the two side wall plates 12 are symmetrically provided with two flexible shaft bolts 3 respectively, each flexible shaft bolt 3 comprises a flexible shaft handle 31 arranged on the side wall plate 12 and a bolt plug 33 arranged on the extending end face of the telescopic plate 22 on the same side, the flexible shaft handles 31 are connected with the bolt plugs 33 through flexible shafts 32 and control the movement of the bolt plugs, the bolt plugs 33 on the two sides are mutually matched, the connection and disconnection between the telescopic plates 22 on the two sides can be realized, and the flexible shafts 32 are hidden and arranged in the side wall plates 12, the telescopic plates 22 and the rotating plate 21;
be equipped with the detection switch 53 that detects flexible axle handle 31 motion limit on the lateral wall board 12, operation platform 1 is equipped with respectively with detection switch 53, electric putter 24 electric connection and be used for detecting controller 5 of both signal feedback, and detection switch can feed back controller 5 with the detection information of whether two flexible axle bolts 33 are pegged graft in place.
The rear end of the side enclosing plate 12 is fixedly connected with a fixed fence 13 through bolts and used for binding a safety belt when the lamp pole is operated, and the falling of the lamp pole due to the missing of the foot is prevented.
The rotating plate 21 is hinged to the work platform 1 by a pin 25.
The electric push rod 24 is provided with an overload protection and limit switch for providing a feedback signal to participate in safety protection logic control.
One of them the rear end of side bounding wall 12 rotates through universal joint 41 and is connected with a plurality of automatic telescopic link 42, another the rear end of side bounding wall 12 is equipped with can with the fixed spacing bolt 43 of automatic telescopic link 42 extension end, after the lamp pole got into operation platform 1, through the automatic telescopic link 42 of universal joint 41 adjustment, automatic telescopic link 42 realized automatic extension through electric operation, after reaching the assigned position, reliably fixed with spacing bolt 43.
The controller 5 limits the getting-on action and the operation sequence by receiving the signal feedback of each detection switch and each limit switch, and when the controller 5 detects that the flexible shaft bolt 33 is not pulled out, the electric push rod 24 is not retracted in place or the rotating plate 21 is not retracted in place, the controller 5 limits other actions of the whole vehicle from being incapable of operating, so that the danger caused by misoperation is prevented.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The platform safety protection system of the large-platform overhead working truck is characterized by comprising a working platform (1) consisting of a supporting plane (11), a front coaming (16) and two side coamings (12), wherein the rear end of the working platform (1) is respectively and symmetrically provided with two rotary expansion devices (2) and two sliding plates (14) capable of expanding and self-locking, each rotary expansion device (2) comprises a rotating plate (21) hinged with the rear end of the working platform (1), one end of the rotating plate (21) far away from a hinged point is slidably connected with an expansion plate (22), an electric push rod (24) for controlling the expansion plate (22) to expand and contract is fixedly connected between the expansion plate (22) and the rotating plate (21), and a rotary oil cylinder (23) for controlling the rotating plate (21) to rotate to the lower part of the sliding plates (14) is fixedly connected between the rotating plate (21) and the working platform (1), the working platform (1) is also provided with a support rod (15) for supporting the rotating plate (21); the operation platform is characterized in that an electric push rod (24) is arranged on the operation platform (1) and is electrically connected with a controller (5) used for detecting signal feedback of the operation platform, and two flexible shaft bolts (3) used for controlling the mutual locking of the expansion plates (22) on the two sides are symmetrically arranged at the rear end of the operation platform (1).
2. The platform safety protection system of a large platform high altitude construction car of claim 1, characterized in that, the flexible axle bolt (3) includes the flexible axle handle (31) of establishing on side bounding wall (12) and establishes bolt plug (33) on the terminal surface that stretches out of homonymy expansion plate (22), flexible axle handle (31) passes through flexible axle (32) and connects bolt plug (33) and control its removal, the bolt plug (33) of both sides mutually adapt, be equipped with detection switch (53) that detect flexible axle handle (31) motion limit on side bounding wall (12), detection switch (53) electric connection controller (5).
3. The platform safety protection system for large platform aerial lift trucks of claim 1 wherein the rear end of the side enclosures (12) are fixedly connected with fixed rails (13) by bolts.
4. Platform safety system of a large platform aerial lift truck according to claim 1, characterized in that the swivel plate (21) is hinged to the working platform (1) by means of a pin (25).
5. The platform safety protection system of a large platform aerial cage of claim 1, wherein the electric push rod (24) is provided with an overload protection and limit switch.
6. The platform safety system of a large platform aerial work platform as claimed in claim 1, wherein the support plane (11), the front coaming (16) and the two side coamings (12) are fixed together by welding or bolting.
7. The platform safety protection system of the large platform high-altitude operation vehicle as claimed in claim 1, wherein the rear end of one of the side enclosing plates (12) is rotatably connected with a plurality of automatic telescopic rods (42) through universal joints (41), and the rear end of the other side enclosing plate (12) is provided with a limiting bolt (43) capable of being fixed with the extending end of the automatic telescopic rods (42).
8. The platform safety protection system of the large-platform high-altitude operation vehicle as claimed in claim 1, wherein the support plane (11) is provided with a guard plate (6) for sliding the sliding plate (14), a hydraulic cylinder is fixedly connected between the sliding plate (14) and the side wall plate 12, and the hydraulic cylinder is provided with a hydraulic balance valve for controlling self-locking of the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344357.0A CN111003666A (en) | 2019-12-24 | 2019-12-24 | Platform safety protection system of large-platform overhead working truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344357.0A CN111003666A (en) | 2019-12-24 | 2019-12-24 | Platform safety protection system of large-platform overhead working truck |
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| Publication Number | Publication Date |
|---|---|
| CN111003666A true CN111003666A (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344357.0A Pending CN111003666A (en) | 2019-12-24 | 2019-12-24 | Platform safety protection system of large-platform overhead working truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047589A (en) * | 2021-04-21 | 2021-06-29 | 山西四建集团有限公司 | Building architectural decoration is with supplementary construction ladder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1511779A (en) * | 2002-12-26 | 2004-07-14 | 株式会社杉安 | Lift for vehicle repair and maintenance |
| CN201634384U (en) * | 2009-12-29 | 2010-11-17 | 北京市电力公司 | Electric power maintenance vehicle |
| CN108751060A (en) * | 2018-06-15 | 2018-11-06 | 徐州海伦哲专用车辆股份有限公司 | A kind of colourfully decorated lantern multifunction operation vehicle elevation operational method based on fold-away working platform |
| CN211619873U (en) * | 2019-12-24 | 2020-10-02 | 徐州海伦哲特种车辆有限公司 | Platform safety protection system of large-platform overhead working truck |
-
2019
- 2019-12-24 CN CN201911344357.0A patent/CN111003666A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1511779A (en) * | 2002-12-26 | 2004-07-14 | 株式会社杉安 | Lift for vehicle repair and maintenance |
| CN201634384U (en) * | 2009-12-29 | 2010-11-17 | 北京市电力公司 | Electric power maintenance vehicle |
| CN108751060A (en) * | 2018-06-15 | 2018-11-06 | 徐州海伦哲专用车辆股份有限公司 | A kind of colourfully decorated lantern multifunction operation vehicle elevation operational method based on fold-away working platform |
| CN211619873U (en) * | 2019-12-24 | 2020-10-02 | 徐州海伦哲特种车辆有限公司 | Platform safety protection system of large-platform overhead working truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047589A (en) * | 2021-04-21 | 2021-06-29 | 山西四建集团有限公司 | Building architectural decoration is with supplementary construction ladder |
| CN113047589B (en) * | 2021-04-21 | 2022-11-11 | 山西四建集团有限公司 | Building architectural decoration is with supplementary construction ladder |
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