CN111960350A - Falling-prevention aerial work platform and falling-prevention aerial work method - Google Patents
Falling-prevention aerial work platform and falling-prevention aerial work method Download PDFInfo
- Publication number
- CN111960350A CN111960350A CN202010811325.3A CN202010811325A CN111960350A CN 111960350 A CN111960350 A CN 111960350A CN 202010811325 A CN202010811325 A CN 202010811325A CN 111960350 A CN111960350 A CN 111960350A
- Authority
- CN
- China
- Prior art keywords
- motor
- platform
- plate
- overhanging
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to an aerial work platform, in particular to an aerial work platform capable of preventing falling and a method thereof.
Description
Technical Field
The invention relates to an aerial work platform, in particular to an aerial work platform capable of preventing falling and a method.
Background
The work high above the ground generally means work high above the ground, and means work performed by a person at a height with reference to a certain position. The national standard GB/T3608 + 2008 "Classification of high altitude operations": "work at a high place where there is a possibility of falling at a height of 2m or more (including 2m) from the falling height reference surface is called high place work. "according to this definition, the range of work at high altitudes is fairly broad in the construction industry. When the aerial work platform works in a building, if the aerial work platform works on a frame with the height of more than 2m, the aerial work platform is high-altitude work, in the field of buildings, a crane or a scissor lift is generally adopted to drive the aerial work platform to work high above the ground, but the aerial work platform is difficult to realize convenient work in a small space during work, workers are required to be hung in the air, and the aerial work platform is quite unsafe.
Disclosure of Invention
The invention provides a falling-prevention aerial work platform and a falling-prevention aerial work method, so as to solve the defects in the background technology.
One object of the present invention is to propose a fall-prevention aerial work platform: the telescopic work platform comprises a work platform, wherein an extending work structure capable of extending out of the work platform is arranged on the work platform, a protection plate used for protecting workers is arranged on the extending work structure, and the protection plate can automatically extend out when the workers approach the edge of the extending work structure.
As a preferred technical scheme of the invention: all be equipped with the flange around the operation platform the upper surface center department of operation platform rotationally installs the revolving stage transmission mechanism is installed at the revolving stage top, one side of transmission mechanism is equipped with extending structure, the revolving stage motor is installed to the bottom surface of operation platform, the reduction gear is installed to the one end of revolving stage motor, the output shaft of revolving stage motor with the input shaft coaxial coupling of reduction gear, the output shaft of reduction gear passes operation platform and with the bottom coaxial coupling of revolving stage.
As a preferred technical scheme of the invention: the upper surface of revolving stage has seted up the driving groove, drive mechanism is in including the lid the box at driving groove top, the inside flexible motor that is equipped with of box flexible motor top is equipped with intermeshing's worm and worm wheel, the output shaft of flexible motor with worm coaxial coupling moves the worm and rotates, the one end of worm through pivot one with the inner wall of box rotates and connects, the one end of worm wheel through pivot two with the inner wall of box rotates and connects.
As a preferred technical scheme of the invention: the telescopic structure is including being fixed in outer square pipe and slidable sleeve on the revolving stage are located the inside square pipe of outer square pipe, the outside square pipe is inside to be equipped with and to pass the ball of interior square pipe, ball's one end with worm wheel coaxial coupling, the one end that interior square pipe is close to the revolving stage is equipped with screw nut, ball runs through screw nut and rather than threaded connection.
As a preferred technical scheme of the invention: the overhanging operation structure comprises overhanging plates, guardrails are arranged on two sides and behind the overhanging plates, protective plate grooves are formed in the bottom surfaces of the overhanging plates, protective plates are slidably arranged in the protective plate grooves, infrared sensors are arranged at the edge positions of the front ends of the overhanging plates, and the infrared sensors sense that people reach the edges of the front ends of the overhanging plates and control the protective plates to stretch out through a control system.
As a preferred technical scheme of the invention: the protection plate is characterized in that a lead screw is further arranged in the protection plate groove, the lead screw horizontally penetrates through a screw hole in the protection plate and is in threaded connection with the screw hole, a protection plate motor is mounted at the rear end of the extension plate, a driving gear is coaxially connected to the end portion of an output shaft of the protection plate motor, a driven gear meshed with the driving gear is arranged on one side of the driving gear, the driven gear is rotatably arranged inside the extension plate, one end of the driven gear is coaxially connected with the lead screw, and a protection plate motor forward rotation switch and a protection plate motor reverse rotation switch are further arranged on the extension plate.
As a preferred technical scheme of the invention: the both sides of protection shield all are equipped with the chimb, the chimb groove has all been seted up to the both sides inner wall in protection shield groove, chimb slidable ground inlays to be located the chimb inslot the upper and lower internal surface in chimb groove all is equipped with a plurality of balls that are linear arrangement, the upper and lower surface of chimb with correspond the position ball rolling contact.
As a preferred technical scheme of the invention: the inner square pipe is connected with the outer extending plate through a fixing block, one end of the fixing block is welded to the end portion of the inner square pipe, a clamping groove is formed in the other end of the fixing block, the thickness of the clamping groove is the same as that of the outer extending plate, and one end of the outer extending plate extends into the clamping groove and is locked and fixed through a bolt.
As a preferred technical scheme of the invention: the control system comprises a singlechip, a signal processing unit, a processing chip and a Darlington tube driving chip, the infrared sensor is in signal connection with the signal processing unit and converts the infrared signals emitted by the human body and received by the infrared sensor into electric signals for processing, the signal processing unit is in signal connection with the processing chip and is used for further processing the signal processed by the signal processing unit to convert the signal into digital output quantity, the processing chip is in signal connection with the single chip microcomputer and analyzes and compares the digital signals converted by the processing chip, the single chip microcomputer is in signal connection with the Darlington tube driving chip, the forward rotation switch of the protection plate motor is connected with a relay, the single chip microcomputer controls the suction and the disconnection of the relay through the Darlington tube driving chip to realize the on-off of the forward rotation switch of the protection plate motor.
Another object of the invention is to provide a method of working aloft to prevent falling: the method comprises the following steps:
the method comprises the following steps: installing the operation platform 1 on the lifting equipment;
step two: at least two workers enter the working platform 1 together;
step three: one person controls the work platform 1, and the other person enters the overhanging plate 60;
step four: a worker on the operation platform controls a rotating platform motor to rotate according to actual needs, so that the extending plate rotates to the front of an operation position, and the extending structure is driven to extend by controlling a telescopic motor so that the extending plate is conveyed to the position where the operation can be performed; after the rotary table motor is started, the rotary table is driven to rotate through speed change of the speed reducer, the position of the overhanging operation structure is adjusted, the overhanging operation structure can be driven to move forwards and backwards through the telescopic structure, so that workers on the overhanging operation structure can accurately arrive at a narrow operation place, specifically, an output shaft of the telescopic motor rotates during operation, torque is transmitted to the worm, a worm wheel meshed with the worm is driven to rotate, the worm wheel transmits the torque to the ball screw, the ball screw drives the inner square pipe to slide inside the outer square pipe through thread matching with a screw nut during rotation, the overhanging operation structure extends out or retracts, the overhanging operation structure can be guaranteed to rotate in a full range, and therefore aerial operation can be accurately carried out in a narrow range;
step five: a worker performs work on the work platform;
step six: when workman's health contacted overhanging flange edge, infrared sensor received the infrared signal that the human body distributed and opened through control system control protection shield motor corotation switch, and the output shaft of protection shield motor drives the driving gear and rotates to transmit the torque for rather than the driven gear who meshes, drive the lead screw and rotate, the lead screw with the protection shield on screw thread fit down turn round motion turn into linear motion, drive the protection shield and stretch out fast, the staff can not step on empty because of the error and drop like this.
1. The invention realizes the multidirectional rotation of the overhanging operation structure through the rotating table, can ensure that the overhanging operation structure rotates in the whole range, and simultaneously extends or retracts the overhanging operation structure through the telescopic structure, thereby accurately entering a narrow range to carry out high-altitude operation.
2. When the worker operates on the overhanging plate, if the worker carelessly steps on the edge of the front end of the overhanging plate, the infrared sensor receives an infrared signal emitted by a human body and controls the protection plate to rapidly extend out through the control system, so that the worker cannot step on the overhanging plate to fall off due to mistake.
Drawings
FIG. 1 is one of the overall structural schematic diagrams of the preferred embodiment of the present invention;
FIG. 2 is a second schematic diagram of the overall structure of the preferred embodiment of the present invention;
FIG. 3 is one of the overall structural partially exploded views of the preferred embodiment of the present invention;
FIG. 4 is a second partially exploded view of the overall structure of the preferred embodiment of the present invention;
FIG. 5 is a schematic view of the telescopic structure of the preferred embodiment of the present invention in an extended state;
FIG. 6 is a schematic view of a rotary table according to a preferred embodiment of the present invention;
FIG. 7 is a schematic structural view of a transmission mechanism and a telescopic structure in a preferred embodiment of the present invention;
FIG. 8 is a schematic structural view of an overhanging working structure in a preferred embodiment of the invention;
FIG. 9 is a schematic view of the assembly of the overhanging working structure and the fixed block in the preferred embodiment of the present invention;
FIG. 10 is a schematic view of the protection plate in a state where the protection plate is extended according to the preferred embodiment of the present invention;
FIG. 11 is a bottom view of the overhanging work structure in the preferred embodiment of the present invention;
FIG. 12 is an exploded view of the outrigger working structure in the preferred embodiment of the invention;
FIG. 13 is a partially exploded view of the overhanging feature of the preferred embodiment of the present invention;
FIG. 14 is an enlarged view of the structure at A in FIG. 13 in accordance with a preferred embodiment of the present invention;
FIG. 15 is a circuit diagram of the infrared sensor, the signal processing unit and the processing chip in the preferred embodiment of the present invention;
FIG. 16 is a circuit diagram of the processing chip, the single chip, the Darlington tube driver chip and the relay according to the preferred embodiment of the present invention.
The reference numbers illustrate:
the device comprises a working platform 1, a flange 10, a rotary table motor 11, a speed reducer 12, a rotary table 2, a transmission groove 20, a transmission mechanism 3, a box body 30, an avoidance groove 300, a worm 31, a worm wheel 32, a telescopic motor 33, a first rotating shaft 34, a second rotating shaft 35, a telescopic structure 4, an outer square pipe 40, an inner square pipe 41, a ball screw 42, a screw nut 43, a fixed block 5, a clamping groove 50, an outer extending working structure 6, an outer extending plate 60, a protective plate groove 600, a convex groove 601, balls 602, a guardrail 61, a protective plate 62, convex edges 620, screw holes 621, a ball groove 622, an infrared sensor 63, a protective plate motor 64, a screw rod 65, a driving gear 66 and a driven gear 67.
Detailed Description
It should be noted that, in the present application, features of embodiments and embodiments may be combined with each other without conflict, and 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. 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 16, the preferred embodiment of the present invention provides a falling prevention aerial work platform, which comprises a work platform 1, wherein an overhanging work structure 6 which can stretch out and draw out of the work platform 1 is arranged on the work platform 1, a protection plate 62 for protecting a worker is arranged on the overhanging work structure 6, and the protection plate 62 automatically extends out when the worker approaches the edge of the overhanging work structure 6.
In the embodiment, the periphery of the operation platform 1 is provided with the flanges 10, the flanges 10 can effectively prevent workers from falling, the center of the upper surface of the operation platform 1 is rotatably provided with the rotating platform 2, the top of the rotating platform 2 is provided with the transmission mechanism 3, one side of the transmission mechanism 3 is provided with the telescopic structure 4, the bottom surface of the operation platform 1 is provided with the rotating platform motor 11, one end of the rotating platform motor 11 is provided with the speed reducer 12, the output shaft of the rotating platform motor 11 is coaxially connected with the input shaft of the speed reducer 12, the output shaft of the speed reducer 12 passes through the operation platform 1 and is coaxially connected with the bottom of the rotating platform 2, the upper surface of the rotating platform 2 is provided with the transmission groove 20, the transmission mechanism 3 comprises a box body 30 covering the top of the transmission groove 20, the box body 30 is provided with the avoidance groove 300 for avoiding the telescopic structure 4, the telescopic motor 33 is arranged inside, the output shaft of the telescopic motor 33 and the worm 31 are coaxially connected to drive the worm 31 to rotate, one end of the worm 31 is rotatably connected with the inner wall of the box body 30 through a first rotating shaft 34, one end of the worm wheel 32 is rotatably connected with the inner wall of the box body 30 through a second rotating shaft 35, the telescopic structure 4 comprises an outer square pipe 40 fixed on the rotating platform 2 and an inner square pipe 41 which is slidably sleeved inside the outer square pipe 40, a ball screw 42 which penetrates through the inner square pipe 41 is arranged inside the outer square pipe 40, one end of the ball screw 42 is coaxially connected with the worm wheel 32, one end, close to the rotating platform 2, of the inner square pipe 41 is provided with a screw nut 43, and the ball screw 42 penetrates through the. The multi-directional rotation of the overhanging working structure 6 is realized by the rotating platform 2, wherein, after the rotating platform motor 11 is started, the rotating platform 2 is driven to rotate by the speed change of the speed reducer 12, the position of the overhanging working structure 6 is adjusted, the extending operation structure 6 can be driven to move forwards and backwards through the telescopic structure 4, so that a worker on the extending operation structure 6 can accurately reach a narrow operation place, specifically, an output shaft of the telescopic motor 33 rotates during operation to transmit torque to the worm 31, thereby drive rather than the worm wheel 32 rotation of meshing, worm wheel 32 transmits torque for ball 42 again, and ball 42 drives interior square pipe 41 through the screw-thread fit with screw nut 43 when rotating and slides in outside square pipe 40 is inside, makes overhanging operation structure 6 stretch out or retract, can guarantee overhanging operation structure 6 and rotate at the full range to can accurately get into narrow and small within range and carry out high altitude construction.
In addition, overhanging operation structure 6 includes overhanging plate 60, overhanging plate 60's both sides and rear all are equipped with guardrail 61, leave the space on guardrail 61 at rear, supply the staff to bow to pass, simultaneously tie safety on guardrail 61 and bring assurance staff's safety, protecting plate groove 600 has been seted up to the bottom surface of stretching plate 60 outward, be equipped with protection plate 62 in the protecting plate groove 600 slidable, the border position of stretching plate 60 front end outward is equipped with infrared sensor 63, infrared sensor 63 stretches out through control system control protection plate 62 when sensing the edge that someone reachd overhanging plate 60 front end. The protective plate groove 600 is internally provided with a screw rod 65, the screw rod 65 horizontally penetrates through a screw hole 621 on the protective plate 62 and is in threaded connection with the screw hole, the rear end of the extending plate 60 is provided with a protective plate motor 64, the end part of an output shaft of the protective plate motor 64 is coaxially connected with a driving gear 66, one side of the driving gear 66 is provided with a driven gear 67 meshed with the driving gear, the driven gear 67 is rotatably arranged inside the extending plate 60, one end of the driven gear 67 is coaxially connected with the screw rod 65, and the extending plate 60 is further provided with a protective plate motor forward rotation switch and a protective plate. Both sides of protection shield 62 all are equipped with chimb 620, and chimb groove 601 has all been seted up to the both sides inner wall of protection shield groove 600, and chimb 620 slidable ground inlays locates in chimb groove 601, all is equipped with a plurality of balls 602 that are linear arrangement at chimb groove 601's upper and lower internal surface, and the upper and lower surface of chimb 620 and the ball 602 rolling contact who corresponds the position. The friction force when the protection plate 62 slides is reduced by the rolling contact form of the balls 602. Ensuring smooth extension of the protection plate 62. Interior square pipe 41 is connected through fixed block 5 with overhanging plate 60 between, and the one end welding of fixed block 5 is at the tip of interior square pipe 41, and the other end of fixed block 5 has seted up and has pressed from both sides groove 50, and the thickness that presss from both sides groove 50 is the same with the thickness of overhanging plate 60, and the one end of overhanging plate 60 stretches into in pressing from both sides groove 50 and through bolt locking fastening. The control system comprises a single chip microcomputer, a signal processing unit, a processing chip and a Darlington tube driving chip, an infrared sensor 63 is in signal connection with the signal processing unit, an electric signal generated by converting an infrared signal emitted by a human body and received by the infrared sensor 63 is processed, the signal processing unit is in signal connection with the processing chip, the signal processed by the signal processing unit is further processed and converted into a digital output quantity, the processing chip is in signal connection with the single chip microcomputer, the digital signal converted by the processing chip is analyzed and compared, the single chip microcomputer is in signal connection with the Darlington tube driving chip, a forward rotation switch of a motor of the protection board is connected with a relay, and the single chip microcomputer controls the suction and the disconnection of the relay through the Darlington tube driving chip to realize the on. Specifically, the staff when operating on overhanging plate 60, if step on the edge of overhanging plate 60 front end carelessly, infrared sensor 63 receives the infrared signal that the human body distributed and opens through control system control protection plate motor corotation switch, protection plate motor 64's output shaft drives driving gear 66 and rotates, and transmit the torque for driven gear 67 rather than the meshing, drive lead screw 65 and rotate, lead screw 65 turns into linear motion with rotary motion under with the screw 621 screw-thread fit on the protection plate 62, drive protection plate 62 and stretch out fast, the staff can not step on empty because of the error and drop like this. In this embodiment, the transmission ratio between the driving gear 66 and the driven gear 67 is 3, which can accelerate the rotation of the driven gear 67 and ensure the speed of the protection board 62 to be very fast.
In this embodiment, the infrared sensor 63 is a PD632 dual pyroelectric infrared sensor, detects infrared radiation by using the characteristic that the polarization of pyroelectric materials changes with temperature, suppresses interference caused by temperature change by using a dual-sensitive element complementary method, improves the working stability of the sensor, and can detect the change of infrared energy radiated by a human body in a non-contact manner and convert the change into a voltage signal for output. SW1 in the signal processing unit is a working mode selection switch, and when SW1 is communicated with the 1 end, the chip is in a repeatable triggering working mode; when SW1 is connected to terminal 2, the chip is in a non-repeatable triggering mode. The output delay time Tx is adjusted by the external R9 and C7, and the value Tx ≈ 24576xR9C 7; the trigger lockout time Ti is adjusted by the external R10 and C6 values, Ti ≈ 24xR10C 6. The processing chip 73 adopts BISS0001, the BISS0001 is a digital-analog hybrid application specific integrated circuit composed of an operational amplifier, a voltage comparator, a state controller, a delay time timer, a blocking time timer and the like, and a sensing signal preprocessing circuit is composed of an operational amplifier OP1 to amplify signals. Then, the signal is coupled to an operational amplifier OP2, and after a second stage of amplification is performed while raising the dc potential to VM (═ 0.5VDD), the output signal V2 is sent to a bidirectional discriminator composed of comparators COP1 and COP2, and an effective trigger signal VS is detected. Since VH is 0.7VDD and VL >0.3VDD, noise interference of ± 1V can be effectively suppressed and system reliability can be improved when VDD is 5V. COP3 is a conditional comparator. When the voltage VCVR is input, the COP3 output goes high and enters a delay period. When the a-terminal is at "0" level, any change in V2 during the TX time is ignored until the end of the TX time, a so-called non-retriable trigger mode of operation. When the TX time is over, Vo jumps back down to the low level and at the same time starts the lockout time timer to enter the lockout period Ti. In the time of Ti, any change of V2 can not make Vo jump to an effective state (high level), and various interferences generated in the process of load switching can be effectively suppressed. The single chip microcomputer adopts a TC12C5410AD single chip microcomputer, and the TC12C5410AD single chip microcomputer comprises a central processing unit, a program memory Flash, a data memory RAM, an EEPROM, a timing/counter, an I/O interface, a UART interface, an interrupt system, an SPI interface, a high-speed A/D conversion module, a PWM or capturing/comparing unit, a hardware watchdog, a power supply monitoring module, an on-chip RC oscillator and the like. The STC12C5410AD single chip microcomputer can be said to almost include all unit modules required in data acquisition and control, can be referred to as a system on chip SOC, and can easily constitute a typical measurement and control system. The Darlington tube driving chip adopts 7 paths of input and 7 paths of output, each path is equivalent to a phase inverter, the output is low level when the input is high level, on the contrary, the output is high level when the input is low level, the internal structure of each phase inverter is a Darlington tube amplifying circuit formed by combining two triodes, and the circuit can amplify current and provide the current with enough magnitude for the relay to normally work. In addition to 7 inputs and 7 outputs, two pins are required for grounding and 5V power supply respectively when in use. When the single chip microcomputer outputs high level 1, the high level 1 is changed into low level 0 after passing through ULN2003A, so that potential difference is generated at two ends of a coil of the relay, and large current is generated, so that an enough magnetic field is generated, an armature of the relay is attracted to attract with the stationary contact 1, and conversely, the armature is attracted with the stationary contact 2.
During specific work, the operation is carried out according to the following steps; the method comprises the following steps:
the method comprises the following steps: installing the operation platform 1 on the lifting equipment;
step two: at least two workers enter the working platform 1 together;
step three: one person controls the work platform 1, and the other person enters the overhanging plate 60;
step four: a worker on the working platform 1 controls the rotating platform motor 11 to rotate according to actual needs, so that the extending plate 60 rotates to the front of a working position, and controls the extending motor 33 to enable the extending structure 4 to send the extending plate 60 to the position where the worker can work; after the rotary table motor 11 is started, the speed is changed through the speed reducer 12 to drive the rotary table 2 to rotate, the position of the overhanging operation structure 6 is adjusted, the overhanging operation structure 6 can be driven to move forwards and backwards through the telescopic structure 4, so that workers on the overhanging operation structure 6 can accurately arrive at a narrow operation place, specifically, an output shaft of the telescopic motor 33 rotates during operation, torque is transmitted to the worm 31, so that the worm wheel 32 meshed with the worm is driven to rotate, the worm wheel 32 transmits the torque to the ball screw 42, the ball screw 42 drives the inner square tube 41 to slide inside the outer square tube 40 through the thread matching with the screw nut 43 during rotation, so that the overhanging operation structure 6 extends out or retracts, the overhanging operation structure 6 can be ensured to rotate in a full range, and therefore the aerial work can be accurately carried out in a narrow range;
step five: a worker performs work on the work platform 1;
step six: when workman's health contacted overhanging plate 60 edge, infrared sensor 63 received the infrared signal that the human body distributed and opened through control system control protection shield motor corotation switch, protection shield motor 64's output shaft drives driving gear 66 and rotates, and transmit the torque for rather than the driven gear 67 of meshing, drive lead screw 65 and rotate, lead screw 65 turns into rectilinear motion with rotary motion under with the screw 621 screw thread fit on the protection shield 62, drive protection shield 62 and stretch out fast, the staff can not step on empty because of the error and drop like this.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a prevent aerial working platform that falls, includes work platform (1), its characterized in that: the automatic telescopic operation platform is characterized in that an extending operation structure (6) capable of extending out of the operation platform (1) is arranged on the operation platform (1), a protection plate (62) used for protecting workers is arranged on the extending operation structure (6), the protection plate (62) can automatically extend out when the workers are close to the edge of the extending operation structure (6), flanges (10) are arranged on the periphery of the operation platform (1), a rotary table (2) is rotatably arranged at the center of the upper surface of the operation platform (1), a transmission mechanism (3) is arranged at the top of the rotary table (2), a telescopic structure (4) is arranged on one side of the transmission mechanism (3), a rotary table motor (11) is arranged on the bottom surface of the operation platform (1), a speed reducer (12) is arranged at one end of the rotary table motor (11), and a transmission groove (20) is formed in the upper surface of the rotary table (2), the transmission mechanism (3) comprises a box body (30) covered at the top of the transmission groove (20), a telescopic motor (33) is arranged in the box body (30), and a worm (31) and a worm wheel (32) which are meshed with each other are arranged above the telescopic motor (33); the overhanging operation structure (6) comprises overhanging plates (60), guardrails (61) are arranged on two sides and behind the overhanging plates (60), a protecting plate groove (600) is formed in the bottom surface of the overhanging plates (60), and a protecting plate (62) is slidably arranged in the protecting plate groove (600).
2. The fall arrest aerial work platform of claim 1, wherein: the output shaft of revolving stage motor (11) with the input shaft coaxial coupling of reduction gear (12), the output shaft of reduction gear (12) passes operation platform (1) and with the bottom coaxial coupling of revolving stage (2).
3. A fall arrest aerial work platform as claimed in claim 2, wherein: the output shaft of flexible motor (33) with worm (31) coaxial coupling moves worm (31) and rotates, the one end of worm (31) through pivot one (34) with the inner wall of box (30) rotates and is connected, the one end of worm wheel (32) through pivot two (35) with the inner wall of box (30) rotates and is connected.
4. A fall arrest aerial work platform as claimed in claim 3, wherein: extending structure (4) are including being fixed in outer side pipe (40) and slidable sleeve on revolving stage (2) are located outer side pipe (40) inside interior side pipe (41), outer side pipe (40) inside is equipped with and passes ball (42) of interior side pipe (41), the one end of ball (42) with worm wheel (32) coaxial coupling, the one end that interior side pipe (41) are close to revolving stage (2) is equipped with screw nut (43), ball (42) run through screw nut (43) and rather than threaded connection.
5. The fall arrest aerial work platform of claim 4, wherein: an infrared sensor (63) is arranged at the edge position of the front end of the overhanging plate (60), and the infrared sensor (63) controls the protection plate (62) to extend out through a control system when sensing that a person reaches the edge of the front end of the overhanging plate (60).
6. The fall prevention aerial work platform as claimed in claim 5, wherein a lead screw (65) is further arranged in the protection plate groove (600), the lead screw (65) horizontally penetrates through a screw hole (621) in the protection plate (62) and is in threaded connection with the screw hole, a protection plate motor (64) is mounted at the rear end of the extension plate (60), a driving gear (66) is coaxially connected to the end portion of an output shaft of the protection plate motor (64), a driven gear (67) meshed with the driving gear is arranged on one side of the driving gear (66), the driven gear (67) is rotatably arranged in the extension plate (60), one end of the driven gear (67) is coaxially connected with the lead screw (65), and a protection plate motor forward switch and a protection plate motor reverse switch are further arranged on the extension plate (60).
7. The fall arrest aerial work platform of claim 6, wherein: both sides of protection shield (62) all are equipped with chimb (620), the chimb groove (601) has all been seted up to the both sides inner wall of protection shield groove (600), chimb (620) slidable ground inlays to be located in chimb groove (601) the upper and lower internal surface of chimb groove (601) all is equipped with a plurality of balls (602) that are linear arrangement, the upper and lower surface of chimb (620) with correspond the position ball (602) rolling contact.
8. The fall arrest aerial work platform of claim 7, wherein: the inner square pipe (41) and the outer extending plate (60) are connected through a fixing block (5), one end of the fixing block (5) is welded to the end portion of the inner square pipe (41), a clamping groove (50) is formed in the other end of the fixing block (5), the thickness of the clamping groove (50) is the same as that of the outer extending plate (60), and one end of the outer extending plate (60) extends into the clamping groove (50) and is locked and fixed through a bolt.
9. The fall arrest aerial work platform of claim 8, wherein: the control system comprises a singlechip, a signal processing unit, a processing chip and a Darlington tube driving chip, the infrared sensor (63) is in signal connection with the signal processing unit and is used for processing an electric signal converted from an infrared signal emitted by a human body and received by the infrared sensor (63), the signal processing unit is in signal connection with the processing chip and is used for further processing the signal processed by the signal processing unit to convert the signal into digital output quantity, the processing chip is in signal connection with the single chip microcomputer and analyzes and compares the digital signals converted by the processing chip, the single chip microcomputer is in signal connection with the Darlington tube driving chip, the forward rotation switch of the protection plate motor is connected with a relay, the single chip microcomputer controls the suction and the disconnection of the relay through the Darlington tube driving chip to realize the on-off of the forward rotation switch of the protection plate motor.
10. A falling-prevention high-altitude operation method is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: installing the operation platform (1) on a lifting device;
step two: at least two workers enter the working platform (1) together;
step three: one person is controlled on the operation platform (1), and the other person enters the overhanging plate (60);
step four: workers on the working platform (1) control the rotating table motor (11) to rotate according to actual requirements, so that the extending plate (60) rotates to the front of a working position, and the extending structure (4) is driven to convey the extending plate (60) to the position where the workers can work by controlling the extending motor (33); after the rotating platform motor (11) is started, the rotating platform (2) is driven to rotate through the speed change of the speed reducer (12), the position of the overhanging operation structure (6) is adjusted, the overhanging operation structure (6) can be driven to move forwards and backwards through the telescopic structure (4), so that a worker on the overhanging operation structure (6) can accurately arrive at a narrow operation place, specifically, when the device works, an output shaft of the telescopic motor (33) rotates to transmit torque to the worm (31), so as to drive the worm wheel (32) meshed with the worm wheel to rotate, the worm wheel (32) transmits the torque to the ball screw (42), when the ball screw (42) rotates, the inner square tube (41) is driven to slide inside the outer square tube (40) through the thread matching with the screw nut (43), so that the overhanging operation structure (6) extends or retracts, and the overhanging operation structure (6) can be ensured to rotate in a full range, therefore, the aerial work can be accurately carried out in a narrow range;
step five: a worker performs work on the work platform (1);
step six: when workman's health contacted overhanging board (60) edge, infrared sensor (63) received the infrared signal that the human body distributed and opened through control system control protection board motor corotation switch, the output shaft of protection board motor (64) drives driving gear (66) and rotates, and transmit the torque for driven gear (67) rather than the meshing, drive lead screw (65) and rotate, lead screw (65) turn into linear motion with rotary motion under with screw (621) screw-thread fit on protection board (62), it stretches out fast to drive protection board (62), the staff can not step on empty because of the error like this and drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811325.3A CN111960350B (en) | 2020-08-13 | 2020-08-13 | Falling-prevention aerial work platform and falling-prevention aerial work method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811325.3A CN111960350B (en) | 2020-08-13 | 2020-08-13 | Falling-prevention aerial work platform and falling-prevention aerial work method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111960350A true CN111960350A (en) | 2020-11-20 |
| CN111960350B CN111960350B (en) | 2022-08-05 |
Family
ID=73365953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010811325.3A Active CN111960350B (en) | 2020-08-13 | 2020-08-13 | Falling-prevention aerial work platform and falling-prevention aerial work method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111960350B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033139A (en) * | 2021-11-24 | 2022-02-11 | 上海建工集团股份有限公司 | Application method of outward-extending rotary type outer wall construction platform |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201280420Y (en) * | 2008-09-23 | 2009-07-29 | 无锡市雨琦机械制造有限公司 | Transmission mechanism of hoister for high-speed elevation work cradle |
| CN201442831U (en) * | 2008-12-24 | 2010-04-28 | 贵阳黔江机械厂 | Hydraulic lifting work ladder with extendable platform |
| KR20140065083A (en) * | 2012-11-21 | 2014-05-29 | 경기도 | Device to safely remove structures installed in high-rise buildings |
| CN107487736A (en) * | 2017-09-18 | 2017-12-19 | 沈阳农业大学 | A kind of high-altitude orchard operation assistance platform |
| CN111039236A (en) * | 2019-11-15 | 2020-04-21 | 华侨大学 | Self-lifting old-aged-climbing assisting platform |
| CN210656023U (en) * | 2019-04-29 | 2020-06-02 | 天津恒匠数字装备有限公司 | Novel lifting mobile platform device |
| CN211169755U (en) * | 2019-10-28 | 2020-08-04 | 临沂市宇顺机械有限公司 | Telescopic bridge of overhead working truck |
-
2020
- 2020-08-13 CN CN202010811325.3A patent/CN111960350B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201280420Y (en) * | 2008-09-23 | 2009-07-29 | 无锡市雨琦机械制造有限公司 | Transmission mechanism of hoister for high-speed elevation work cradle |
| CN201442831U (en) * | 2008-12-24 | 2010-04-28 | 贵阳黔江机械厂 | Hydraulic lifting work ladder with extendable platform |
| KR20140065083A (en) * | 2012-11-21 | 2014-05-29 | 경기도 | Device to safely remove structures installed in high-rise buildings |
| CN107487736A (en) * | 2017-09-18 | 2017-12-19 | 沈阳农业大学 | A kind of high-altitude orchard operation assistance platform |
| CN210656023U (en) * | 2019-04-29 | 2020-06-02 | 天津恒匠数字装备有限公司 | Novel lifting mobile platform device |
| CN211169755U (en) * | 2019-10-28 | 2020-08-04 | 临沂市宇顺机械有限公司 | Telescopic bridge of overhead working truck |
| CN111039236A (en) * | 2019-11-15 | 2020-04-21 | 华侨大学 | Self-lifting old-aged-climbing assisting platform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033139A (en) * | 2021-11-24 | 2022-02-11 | 上海建工集团股份有限公司 | Application method of outward-extending rotary type outer wall construction platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111960350B (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107366463B (en) | A kind of unmanned hangar of automatic charging | |
| CN111960350B (en) | Falling-prevention aerial work platform and falling-prevention aerial work method | |
| WO2023045529A1 (en) | Modular lifting apparatus and lifting system | |
| CN106193640B (en) | A kind of steel tower inspecting robot and its working method | |
| CN113173525A (en) | Outdoor unmanned laser fork truck | |
| CN107100528A (en) | A kind of Intelligent mobile curtain control method | |
| CN208010173U (en) | A kind of grain depot window automatic ventilation switching device with auto-manual function | |
| CN207776669U (en) | A kind of sliding door and backup unit | |
| CN207110935U (en) | A kind of translation door using driven by Brush-Less DC motor | |
| CN208456465U (en) | A kind of intelligence rolling shutter door base beam lock system | |
| CN206590744U (en) | It is a kind of can preset in advance floor and with high sensitivity sensitivity elevator door | |
| CN214242368U (en) | Garbage can with switch cover bumping and stopping function | |
| CN107476700A (en) | One kind is electronic singly to open inner swing door | |
| CN208521186U (en) | Mobile inspection car | |
| KR102196033B1 (en) | non-contact wireless proximity switch including internal battery and automatic door opener using the switch | |
| CN207583162U (en) | A kind of electric double-open inner swing door | |
| CN208500077U (en) | Anti-collision mechanism for apparatus for ride instead of walk | |
| CN112978527A (en) | Automatic auxiliary system and method for wheeled robot to get in and out of elevator | |
| CN210888749U (en) | Rolling slats door meets and hinders protection device that prevents pressing from both sides | |
| CN206848725U (en) | A kind of banister using driven by Brush-Less DC motor | |
| CN206986784U (en) | A kind of lifting land column using driven by Brush-Less DC motor | |
| CN207363479U (en) | A kind of control device of Multifunction expanding door | |
| CN206987611U (en) | A kind of intelligence control system applied to door operating mechanisms | |
| CN215408182U (en) | Telescopic automatic mouse-blocking door | |
| CN110647065A (en) | Multifunctional intelligent airing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220714 Address after: 241000 No. 259, Huaqiao Town Street, Wanjiang District, Wuhu City, Anhui Province Applicant after: Anhui Pengjia Construction Co.,Ltd. Address before: 891 Zhongshan West Road, Shijiazhuang, Hebei Applicant before: Geng Chaowei |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |