CN108975236B - Automatic lifting device based on hydraulic control - Google Patents
Automatic lifting device based on hydraulic control Download PDFInfo
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- CN108975236B CN108975236B CN201810861519.7A CN201810861519A CN108975236B CN 108975236 B CN108975236 B CN 108975236B CN 201810861519 A CN201810861519 A CN 201810861519A CN 108975236 B CN108975236 B CN 108975236B
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- telescopic
- rod
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- supporting
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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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- Structural Engineering (AREA)
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- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses an automatic lifting device based on hydraulic control, which comprises a sensing device, an execution device and a control terminal, wherein the sensing device and the control terminal are sequentially and electrically connected with the execution device; the induction device comprises a position sensor, a wind power sensor and a touch sensor, and the position sensor, the wind power sensor and the touch sensor are respectively and electrically connected with the control terminal. The invention realizes the moving lifting operation of the whole lifting device by utilizing the lifting component, the rack rail and other components, greatly improves the safety of high-altitude operation, ensures that the whole lifting process can be carried out stably, and is practical and convenient.
Description
Technical Field
The invention relates to the field of lifting structures, in particular to an automatic lifting device based on hydraulic control.
Background
A lifting platform is a lifting device consisting of a walking mechanism, a hydraulic mechanism, an electric control mechanism and a supporting mechanism.
At present, most lifting platforms are controlled by hydraulic pressure to lift, and generally comprise a scissor fork type and a folding arm type, wherein the scissor fork type can be hinged by a plurality of folding units, and the lifting operation is realized by a hydraulic oil cylinder; the folding arm type realizes the height change of the lifting platform by utilizing the matching and rotation of structures such as a large arm, a small arm and the like.
When the lifting platform rises to a certain height, the stability of the whole lifting platform can be reduced due to the influence of the resistance of high-altitude wind, and the lifting platform cannot be accurately moved to a destination of required work, so that the operation difficulty of workers is increased, and great inconvenience is brought to the workers.
In view of the above circumstances, an automatic lifting device based on hydraulic control needs to be designed, which not only needs to enhance the safety of the operation process, but also needs to be capable of realizing accurate movement through the cooperation of each component, which is a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide an automatic lifting device based on hydraulic control, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic lifting device based on hydraulic control comprises a sensing device, an execution device and a control terminal, wherein the sensing device and the control terminal are electrically connected with the execution device in sequence; the induction device comprises a position sensor, a wind power sensor and a touch sensor, and the position sensor, the wind power sensor and the touch sensor are respectively and electrically connected with the control terminal.
The invention designs a sensing device, an executing device and the like, wherein the sensing device can sense information in the whole lifting process and transmit the information to a control terminal, the control terminal analyzes and processes the information and sends an instruction to the executing device, and the executing device controls each subassembly to lift according to the instruction, wherein the executing device comprises a base, a lifting assembly, a telescopic supporting platform, a working frame and other assemblies, the base can be used for supporting the lifting assembly, the telescopic supporting platform and the working frame, the base can also move, the lifting assembly can freely control the height of the working frame, meanwhile, the telescopic supporting frame can be used for further and accurately arriving according to the place where the working frame needs to arrive, and workers can enter the working frame and then arrive at a target place along with the movement of the assemblies of the lifting device to operate.
Further, the base includes push rod, bearing seat, strutting arrangement and a plurality of gyro wheel, the gyro wheel is installed in bearing seat bottom, the gyro wheel includes preceding gyro wheel and back gyro wheel, the push rod is installed at bearing seat front end, strutting arrangement includes a plurality of first strutting arrangement and a plurality of second strutting arrangement, first strutting arrangement installs in the front on the left of the gyro wheel, the second strutting arrangement installs on the right of the gyro wheel of back, be provided with first drive arrangement in the bearing seat, first drive arrangement is connected with control terminal electricity, first drive arrangement controls strutting arrangement's motion.
Furthermore, the two first supporting devices are respectively arranged on two sides of the bearing seat, the two second supporting devices are respectively arranged on two sides of the bearing seat, the structures of the first supporting devices and the second supporting devices are the same, each supporting device comprises a first telescopic rod, a second telescopic rod and a connecting piece, one end of each first telescopic rod is fixed with the bearing seat, and the other end of each first telescopic rod is fixed with the connecting piece; one end of the second telescopic rod is fixed with the connecting piece, and the other end of the second telescopic rod is provided with an anti-skid block.
The invention designs a base, wherein a push rod at the front end of a bearing seat can be connected with an automobile, the power of the automobile and a roller at the bottom end of the bearing seat are used for driving the whole lifting device to move, a first supporting device and a second supporting device are respectively arranged on two sides of the bearing seat, the first supporting device and the second supporting device are generally in a stop state, when the base stops and a lifting assembly starts to move, a first driving device starts to move so as to drive the first supporting device and the second supporting device to move, a first telescopic rod stretches outwards, and meanwhile, the second telescopic rod stretches downwards according to the terrain where the lifting device is located, so that the whole lifting device is always in a stable state, and meanwhile, an anti-slip block is arranged at the lower end of the second telescopic rod, so that the lifting operation can be carried out stably.
Furthermore, the lifting assembly comprises a second driving device, a hydraulic oil cylinder and a folding connecting piece, the second driving device is installed on the bearing seat and is electrically connected with the control terminal, and the second driving device controls the movement of the hydraulic oil cylinder; one end of the folding connecting piece is fixed on the bearing seat, and the other end of the folding connecting piece is fixed at the bottom end of the telescopic supporting platform; the folding connecting piece comprises a plurality of scissor units, the scissor units are sequentially hinged from top to bottom, each scissor unit comprises a first connecting arm and a second connecting arm, the middle parts of the first connecting arm and the second connecting arm are fixed in a crossed mode, the hydraulic oil cylinder is installed between every two adjacent scissor units, and the hydraulic oil cylinder pushes the folding connecting piece to lift.
The invention designs a lifting assembly, wherein a second driving device is used for power driving, a folding connecting piece is formed by sequentially hinging a plurality of scissor units, meanwhile, the middle parts of a first connecting arm and a second connecting arm in each scissor unit are fixed in a crossed manner, and then the second driving device is used for pushing a hydraulic oil cylinder to perform telescopic motion, so that the lifting of a working frame is completed.
Further, the telescopic support platform comprises a third driving device and a telescopic platform, the third driving device is installed on the folding connecting piece and electrically connected with the control terminal, and the third driving device controls the telescopic motion of the telescopic platform; the telescopic table is installed on the third driving device and comprises a first telescopic table, a second telescopic table and a third telescopic table, limiting blocks are arranged at one ends of the first telescopic table and the third telescopic table, the other ends of the first telescopic table and the third telescopic table are fixed with the second telescopic table, and rack rails are arranged on two sides of the first telescopic table, the second telescopic table and the third telescopic table.
Furthermore, the second telescopic table comprises a shell, a piston rod and a first fixing rod, the first fixing rod is installed in the shell, a front cavity and a rear cavity are respectively formed between the first fixing rod and the shell, the piston comprises a first piston and a second piston, the first piston is installed in the front cavity, the second piston is installed in the rear cavity, and buffering pads are arranged between the first piston and the first fixing rod and between the second piston and the first fixing rod; the piston rod comprises a first piston rod and a second piston rod, a second fixed rod is arranged in the first telescopic table, one end of the first piston rod is fixed with the first piston, and the other end of the first piston rod is fixed with the second fixed rod; a third fixed rod is arranged in the third telescopic table, one end of the second piston rod is fixed with the second piston, and the other end of the second piston rod is fixed with the third fixed rod; dust rings are arranged between the first piston rod and the shell and between the second piston rod and the shell, and the dust rings are fixed to the shell.
The invention designs a telescopic supporting table which comprises three telescopic tables and a third driving device, wherein the third driving device can drive a second telescopic table to move, a first fixed rod is arranged in the second telescopic table, the first fixed rod divides the interior of the second telescopic table into a front cavity and a rear cavity, the front cavity and the rear cavity independently move, when the third driving device controls a first piston in the front cavity to move, the first piston drives a first piston rod to move leftwards, and the first piston rod is fixed with a second fixed rod, so that the first piston rod drives the second fixed rod to move leftwards, and the second fixed rod drives the first telescopic table to move leftwards; meanwhile, if the third driving device drives the second piston of the rear cavity to move, the second piston drives the second piston rod to move rightwards, and the second piston rod drives the third fixed rod to move rightwards, so that the third telescopic table can perform telescopic movement.
The three telescopic tables can ensure that the working frame can smoothly reach the set destination, so that the operation of workers can be safely and effectively carried out, the left ends of the first telescopic tables and the right ends of the third telescopic tables are provided with limiting blocks which can limit the moving range of the working table, buffering cushions are arranged in the front cavity and the rear cavity, the impact force caused by the piston can be effectively relieved, and the abrasion of devices is reduced.
Furthermore, the working frame comprises a moving device and a working table, the moving device comprises a plurality of connecting shafts and a plurality of moving gears, one end of each connecting shaft is fixed on the bottom surface of the working table, and the other end of each connecting shaft is fixed on the corresponding moving gear; the working frame and the telescopic supporting platform move in a meshed mode through a moving gear and a rack rail, a fourth driving device is arranged in the working platform and is electrically connected with the control terminal, and the fourth driving device controls the movement of the moving gear; a first support rod and a second support rod are respectively arranged at two ends of the workbench, and a first telescopic wing and a second telescopic wing are respectively arranged in the first support rod and the second support rod; be provided with the response pole between first bracing piece and the second bracing piece, be provided with the guardrail between first bracing piece and the response pole, be provided with the response fence between response pole and the second bracing piece.
The invention designs a working frame, a movable gear is designed at the lower end of the working frame, rack rails are arranged on two sides of three telescopic tables, the working table can linearly move through the rack rails and the movable gear, a fourth driving device in the working table can drive the movable gear to move, a first telescopic wing and a second telescopic wing are arranged on the working table, resistance caused by wind in the air can be effectively reduced, a guardrail and a sensing fence are also arranged on the working table, the safety of the working table can be improved by the guardrail, accidental falling and other situations can be avoided, when a finger of a person touches the sensing bar, the sensing bar can judge whether the person accidentally touches the sensing bar, if the current generated by the skin of the person and the sensing bar is higher than 3 muA and lower than 29 muA, the sensing bar automatically contracts, the worker can freely go up and down, and when the skin does not touch the sensing bar for more than 5 seconds, the sensing bar automatically closes, the structure is simpler and more convenient, and meanwhile, the safety of the whole lifting device is also improved.
Furthermore, the first telescopic wing and the second telescopic wing have the same structure, a fifth driving device is arranged in the workbench and electrically connected with the control terminal, and the fifth driving device respectively controls the telescopic motion of the first telescopic wing and the second telescopic wing.
The fifth driving device is arranged in the workbench and can control the first telescopic wing and the second telescopic wing to stretch, so that the resistance effect caused by wind is effectively reduced, and the safety of high-altitude operation is greatly improved.
Further, the position sensor comprises a first position sensor and a second position sensor, the first position sensor is installed in the bearing seat, and the second position sensor is installed in the connecting shaft; the wind sensors comprise a first wind sensor and a second wind sensor, and the first wind sensor and the second wind sensor are respectively arranged on the first supporting rod and the second supporting rod; the touch sensor is arranged in the induction rod, and the first position sensor, the second position sensor, the first wind power sensor, the second wind power sensor and the touch sensor are respectively and electrically connected with the control terminal.
According to the invention, the position sensor, the wind force sensor and the like are designed, the position detector can be used for detecting the position information of the whole lifting device so as to determine the movement of the components of the whole lifting device, the wind force sensor is used for sensing the speed of the wind force, the control terminal is used for analyzing the information returned by the wind force sensor and controlling the first telescopic wing and the second telescopic wing to stretch so as to achieve the effect of reducing the air resistance, the touch sensor is also arranged in the induction rod and can be used for effectively detecting the touch of the skin so as to control the opening and closing of the induction fence, and the whole lifting device is more convenient and practical.
Compared with the prior art, the invention has the beneficial effects that: when high-altitude operation is required, firstly, the roller drives the whole lifting device to start moving, when the roller moves to the position below a required operation place, the roller stops moving, meanwhile, the first position sensor and the second position sensor transmit position information to the control terminal in real time, the control terminal analyzes the position information and respectively sends commands to the first driving device and the second driving device, the first driving device drives the supporting device to move to ensure that the bearing seat is always in a stable state, meanwhile, the second driving device starts moving, the lifting assembly enables the workbench to start lifting, the lifting assembly stops moving after the workbench rises to a certain height, then, the third driving device moves according to the position information transmitted by the second position sensor and the commands of the control terminal, the first telescopic table and the third telescopic table are unfolded, and meanwhile, the fourth driving device drives the movable gear to move on the rack rail, after the working frame moves to a target place, the fourth driving device stops, the working frame reaches the destination, a worker can perform touch induction through a touch sensor in the induction rod, the induction bar is automatically opened and can freely enter and exit, and the induction bar is closed after the worker enters; the wind sensors at the upper ends of the first supporting rod and the second supporting rod transmit the wind speed and information to the control terminal, the control terminal controls the fifth driving device to move, and the first telescopic wing or the second telescopic wing is selected to be opened according to the wind direction.
The invention designs an automatic lifting device based on hydraulic control, and realizes the moving lifting operation of the whole lifting device by utilizing components such as a lifting component, a rack rail and the like.
Drawings
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
FIG. 1 is a schematic diagram of the overall structure of an automatic lifting device based on hydraulic control according to the present invention;
FIG. 2 is a diagram of the working state of an automatic lifting device based on hydraulic control according to the present invention;
FIG. 3 is a block diagram of an automated lifting device based on hydraulic control according to the present invention;
FIG. 4 is a schematic structural diagram of a supporting device of an automatic lifting device based on hydraulic control according to the present invention;
FIG. 5 is a top view of a support device of an automated lifting device based on hydraulic control according to the present invention;
FIG. 6 is a bottom view of the moving gear and rack rail of an automated lifting device based on hydraulic control of the present invention;
FIG. 7 is a schematic diagram of the engagement of the moving gear and the rack guide rail of the automatic lifting device based on hydraulic control according to the present invention;
FIG. 8 is a diagram of the working state of the telescopic table of the automatic lifting device based on hydraulic control according to the present invention;
FIG. 9 is a diagram of a first telescopic wing operating state of the hydraulic control-based automatic lifting device according to the present invention;
fig. 10 is a diagram of a second telescopic wing operating state of the automatic lifting device based on hydraulic control according to the invention.
In the figure: 1-push rod, 2-bearing seat, 3-second driving device, 4-first supporting device, 41-first telescopic rod, 42-connecting piece, 43-second telescopic rod, 44-antiskid block, 5-front roller, 6-rear roller, 7-second supporting device, 8-first position sensor, 9-first driving device, 10-folding connecting piece, 101-scissor unit, 102-hydraulic oil cylinder, 103-first connecting arm, 104-second connecting arm, 11-third driving device, 12-third telescopic table, 121-second fixing rod, 13-rack rail, 14-limiting block, 15-moving gear, 16-connecting shaft, 17-fourth driving device, 18-working table, 19-second telescopic wing, 20-a second support rod, 21-a second wind sensor, 22-a sensing fence, 23-a sensing rod, 24-a touch sensor, 25-a guardrail, 26-a first wind sensor, 27-a first telescopic wing, 28-a first support rod, 29-a fifth driving device, 30-a second position sensor, 31-a first telescopic table, 311-a third fixed rod, 32-a second telescopic table, 321-a first fixed rod, 322-a buffer pad, 323-a first piston, 324-a first piston rod, 325-a front cavity, 326-a rear cavity, 327-a second piston, 328-a dust ring, 329-a second piston rod and 330-a shell.
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.
Referring to fig. 1 to 10, in an embodiment of the present invention, an automatic lifting device based on hydraulic control includes a sensing device, an execution device, and a control terminal, where the sensing device, the control terminal, and the execution device are sequentially electrically connected, the execution device includes a base, a lifting assembly, a telescopic supporting table, and a working frame, the lifting assembly is installed on the base, the telescopic supporting table is installed on the lifting assembly, and the working frame is installed on the telescopic supporting table; the sensing device comprises a position sensor, a wind power sensor and a touch sensor 24, wherein the position sensor, the wind power sensor and the touch sensor 24 are respectively and electrically connected with the control terminal.
The invention designs a sensing device, an executing device and the like, wherein the sensing device can sense information in the whole lifting process and transmit the information to a control terminal, the control terminal analyzes and processes the information and then sends an instruction to the executing device, and the executing device controls the subassembly of each part to lift according to the instruction, wherein the executing device comprises a base, a lifting assembly, a telescopic supporting platform, a working frame and other components, the base can be used for supporting the lifting assembly, the telescopic supporting platform and the working frame, the base can also move, the lifting assembly can freely control the height of the working frame, meanwhile, the telescopic supporting frame can be used for further accurately arriving according to the place where the working frame needs to arrive, and workers can enter the working frame and then arrive at a target place along with the movement of the components of the lifting device to operate.
The base includes push rod 1, bearing seat 2, strutting arrangement and a plurality of gyro wheel, the gyro wheel is installed in bearing seat 2 bottom, the gyro wheel includes preceding gyro wheel 5 and back gyro wheel 6, push rod 1 is installed at bearing seat 2 front ends, strutting arrangement includes a plurality of first strutting arrangement 4 and a plurality of second strutting arrangement 7, gyro wheel 5 left side in the front is installed to first strutting arrangement 4, second strutting arrangement 7 is installed on 6 right sides of back gyro wheel, be provided with first drive arrangement 9 in the bearing seat 2, first drive arrangement 9 is connected with the control terminal electricity, first drive arrangement 9 control strutting arrangement's motion.
The two first supporting devices 4 are respectively arranged at two sides of the bearing seat 2, the two second supporting devices 7 are respectively arranged at two sides of the bearing seat 2, the structures of the first supporting devices 4 and the second supporting devices 7 are the same, each supporting device comprises a first telescopic rod 41, a second telescopic rod 43 and a connecting piece 42, one end of each first telescopic rod 41 is fixed with the bearing seat 2, and the other end of each first telescopic rod is fixed with the connecting piece 42; one end of the second telescopic rod 43 is fixed with the connecting piece 42, and the other end is provided with an anti-skid block 44.
The invention designs a base, wherein a push rod 1 at the front end of a bearing seat 2 can be connected with an automobile, the power of the automobile and a roller at the bottom end of the bearing seat 2 are used for driving the whole lifting device to move, a first supporting device 4 and a second supporting device 7 are respectively arranged on two sides of the bearing seat 2, the first supporting device 4 and the second supporting device 7 are generally in a stop state, when the base stops and a lifting assembly starts to move, a first driving device 9 starts to move so as to drive the first supporting device 4 and the second supporting device 7 to move, a first telescopic rod 41 stretches outwards, a second telescopic rod 43 stretches downwards according to the terrain where the lifting device is located, the whole lifting device is ensured to be in a stable state all the time, and meanwhile, an anti-skid block 44 is arranged at the lower end of the second telescopic rod 43, so that the lifting operation can be carried out stably.
The lifting assembly comprises a second driving device 3, a hydraulic oil cylinder 102 and a folding connecting piece 10, the second driving device 3 is installed on the bearing seat 2, the second driving device 3 is electrically connected with a control terminal, and the second driving device 3 controls the movement of the hydraulic oil cylinder 102; one end of the folding connecting piece 10 is fixed on the bearing seat 2, and the other end is fixed at the bottom end of the telescopic supporting platform; the folding connecting piece 10 comprises a plurality of scissor units 101, the scissor units 101 are sequentially hinged from top to bottom, each scissor unit 101 comprises a first connecting arm 103 and a second connecting arm 104, the middle parts of the first connecting arm 103 and the second connecting arm 104 are fixed in a crossed mode, the hydraulic oil cylinder 102 is installed between every two adjacent scissor units 101, and the hydraulic oil cylinder 102 pushes the folding connecting piece 10 to lift.
The invention designs a lifting assembly, wherein the second driving device 3 is used for power driving, a folding connecting piece 10 is formed by sequentially hinging a plurality of scissor units 101, meanwhile, the middle parts of a first connecting arm 103 and a second connecting arm 104 in each scissor unit 101 are fixed in a crossed manner, and the second driving device 3 is used for pushing a hydraulic oil cylinder 102 to do telescopic motion so as to complete the lifting of a working frame.
The telescopic support platform comprises a third driving device 11 and a telescopic platform, the third driving device 11 is installed on the folding connecting piece 10, the third driving device 11 is electrically connected with the control terminal, and the third driving device 11 controls the telescopic motion of the telescopic platform; the telescopic table is installed on the third driving device 11 and comprises a first telescopic table 31, a second telescopic table 32 and a third telescopic table 12, limiting blocks 14 are arranged at one ends of the first telescopic table 31 and the third telescopic table 12, the other ends of the first telescopic table 31 and the third telescopic table are fixed with the second telescopic table 32, and rack rails 13 are arranged on two sides of the first telescopic table 31, the second telescopic table 32 and the third telescopic table 12.
The second telescopic table 32 comprises a housing 330, a piston rod and a first fixing rod 321, the first fixing rod 321 is installed in the housing 330, a front cavity 325 and a rear cavity 326 are respectively formed between the first fixing rod 321 and the housing 330, the piston comprises a first piston 323 and a second piston 327, the first piston 323 is installed in the front cavity 325, the second piston 327 is installed in the rear cavity 326, and cushion pads 322 are respectively arranged between the first piston 323 and the first fixing rod 321 and between the second piston 327 and the first fixing rod 321; the piston rods comprise a first piston rod 324 and a second piston rod 329, a second fixing rod 121 is arranged in the first telescopic table 31, one end of the first piston rod 324 is fixed with the first piston 323, and the other end of the first piston rod 324 is fixed with the second fixing rod 121; a third fixing rod 311 is arranged in the third telescopic table 12, one end of the second piston rod 329 is fixed with the second piston 327, and the other end is fixed with the third fixing rod 311; dust rings are arranged between the first piston rod 324 and the housing 330 and between the second piston rod 329 and the housing 330, and the dust rings are fixed to the housing 330.
The invention designs a telescopic supporting platform which comprises three telescopic platforms and a third driving device 11, wherein the third driving device 11 can drive a second telescopic platform 32 to move, a first fixing rod 321 is arranged in the second telescopic platform 32, the first fixing rod 321 divides the interior of the second telescopic platform 32 into a front cavity 325 and a rear cavity 326, the front cavity 325 and the rear cavity 326 independently move, when the third driving device 11 controls a first piston 323 in the front cavity 325 to move, the first piston 323 drives a first piston rod 324 to move leftwards, and the first piston rod 324 is fixed with a second fixing rod 121, so that the first piston rod 324 drives the second fixing rod 121 to move leftwards, and the second fixing rod 121 drives the first telescopic platform 31 to move leftwards; meanwhile, if the third driving device 11 drives the second piston 327 of the rear cavity 326 to move, the second piston 327 drives the second piston rod 329 to move rightward, and the second piston rod 329 drives the third fixing rod 311 to move rightward, so that the third retractable table 12 can perform a retractable movement.
The three telescopic tables can ensure that the working frame can smoothly reach the set destination, so that the operation of workers can be safely and effectively carried out, the left ends of the first telescopic tables 31 and the right ends of the third telescopic tables 12 are respectively provided with the limiting blocks 14 which can limit the moving range of the working table 18, and the front cavity 325 and the rear cavity 326 are respectively provided with the buffering cushion 322, so that the impulsive force caused by the piston can be effectively relieved, and the abrasion of devices is reduced.
The working frame comprises a moving device and a working platform 18, the moving device comprises a plurality of connecting shafts 16 and a plurality of moving gears 15, one end of each connecting shaft 16 is fixed on the bottom surface of the working platform 18, and the other end of each connecting shaft 16 is fixed on the corresponding moving gear 15; the working frame and the telescopic supporting platform move in a meshed mode through a moving gear 15 and a rack rail 13, a fourth driving device 17 is arranged in the working platform 18, the fourth driving device 17 is electrically connected with a control terminal, and the fourth driving device 17 controls the moving gear 15 to move; a first supporting rod 28 and a second supporting rod 20 are respectively arranged at two ends of the workbench 18, and a first telescopic wing 27 and a second telescopic wing 19 are respectively arranged in the first supporting rod 28 and the second supporting rod 20; an induction rod 23 is arranged between the first support rod 28 and the second support rod 20, a guardrail 25 is arranged between the first support rod 28 and the induction rod 23, and an induction fence 22 is arranged between the induction rod 23 and the second support rod 20.
The invention designs a working frame, a movable gear 15 is designed at the lower end of the working frame, rack rails 13 are arranged on two sides of three telescopic tables, a working table 18 can linearly move through the rack rails 13 and the movable gear 15, a fourth driving device 17 in the working table 18 can drive the movable gear 15 to move, a first telescopic wing 27 and a second telescopic wing 19 are arranged on the working table 18, resistance caused by wind in the air can be effectively reduced, a guardrail 25 and an induction bar 22 are also arranged on the working table 18, wherein the guardrail 25 can increase the safety of the working table 18 and avoid accidental falling and other conditions, when a finger of a person touches the induction bar 23, the induction bar 23 can judge whether the person accidentally touches the induction bar 23, if the current generated by the skin of the person and the induction bar 23 is higher than 3 muA and smaller than 29 muA, the induction bar 22 automatically contracts, the worker can freely go up and down, and when the skin does not touch the induction bar 23 for more than 5 seconds, the sensing fence 22 is automatically closed, the structure is simpler and more convenient, and the safety of the whole lifting device is also improved.
The first telescopic wing 27 and the second telescopic wing 19 have the same structure, a fifth driving device 29 is arranged in the workbench 18, the fifth driving device 29 is electrically connected with a control terminal, and the fifth driving device 29 controls the telescopic motion of the first telescopic wing 27 and the second telescopic wing 19 respectively.
The fifth driving device 29 is arranged in the workbench 18 and can control the extension and retraction of the first telescopic wing 27 and the second telescopic wing 19, thereby effectively reducing the resistance effect caused by wind and greatly improving the safety of high-altitude operation.
The position sensors comprise a first position sensor 8 and a second position sensor 30, the first position sensor 8 is arranged in the bearing seat 2, and the second position sensor 30 is arranged in the connecting shaft 16; the wind sensors comprise a first wind sensor 26 and a second wind sensor 21, and the first wind sensor 26 and the second wind sensor 21 are respectively arranged on a first supporting rod 28 and a second supporting rod 20; the touch sensor 24 is installed in the induction rod 23, and the first position sensor 8, the second position sensor 30, the first wind sensor 26, the second wind sensor 21 and the touch sensor 24 are electrically connected with the control terminal respectively.
According to the invention, the position sensor, the wind force sensor and the like are designed, the position detector can be used for detecting the position information of the whole lifting device so as to determine the component movement of the whole lifting device, the wind force sensor is used for sensing the wind force river speed, the control terminal is used for analyzing the information transmitted back by the wind force sensor and controlling the first telescopic wing 27 and the second telescopic wing 19 to stretch so as to achieve the effect of reducing the air resistance, the touch sensor 24 is also arranged in the induction rod 23 and can be used for effectively detecting the touch of the skin so as to control the opening and closing of the induction fence 22, and the whole lifting device is more convenient and practical.
When high-altitude operation is required, firstly, the roller drives the whole lifting device to start moving, when the roller moves to the position below a required operation place, the roller stops moving, meanwhile, the first position sensor 8 and the second position sensor 30 transmit position information to the control terminal in real time, the control terminal analyzes the position information and respectively sends commands to the first driving device 9 and the second driving device 3, the first driving device 9 drives the supporting device to move to ensure that the bearing seat 2 is always in a stable state, meanwhile, the second driving device 3 starts moving, the lifting assembly enables the working platform 18 to start lifting, the lifting assembly stops moving after the working platform is lifted to a certain height, then according to the position information transmitted by the second position sensor 30, the third driving device 11 is instructed by the control terminal to move, the first telescopic platform 31 and the third telescopic platform 12 are unfolded, and meanwhile, the fourth driving device 17 drives the movable gear 15 to move on the rack rail 13, after the working frame moves to the target place, the fourth driving device 17 stops, the working frame reaches the destination, the staff can perform touch induction through the touch sensor 24 in the induction rod 23, the induction bar 22 is automatically opened and can freely enter and exit, and after the staff enters, the induction bar 22 is closed; the wind sensors at the upper ends of the first and second support bars 28 and 20 transmit the magnitude and information of the wind speed to the control terminal, and the control terminal controls the movement of the fifth driving device 29 to select whether the first or second telescopic wings 27 and 19 are turned on according to the wind direction.
The invention designs an automatic lifting device based on hydraulic control, and the moving lifting operation of the whole lifting device is realized by utilizing components such as a lifting component, a rack rail 13 and the like.
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.
Claims (1)
1. The utility model provides an automatic elevating gear based on hydraulic control which characterized in that: the automatic lifting device comprises a sensing device, an executing device and a control terminal, wherein the sensing device and the control terminal are electrically connected with the executing device in sequence; the sensing device comprises a position sensor, a wind power sensor and a touch sensor (24), and the position sensor, the wind power sensor and the touch sensor (24) are respectively and electrically connected with the control terminal;
the base comprises a push rod (1), a bearing seat (2), a supporting device and a plurality of rollers, the rollers are installed at the bottom end of the bearing seat (2), the rollers comprise a front roller (5) and a rear roller (6), the push rod (1) is installed at the front end of the bearing seat (2), the supporting device comprises a plurality of first supporting devices (4) and a plurality of second supporting devices (7), the first supporting devices (4) are installed on the left side of the front roller (5), the second supporting devices (7) are installed on the right side of the rear roller (6), a first driving device (9) is arranged in the bearing seat (2), the first driving device (9) is electrically connected with a control terminal, and the first driving device (9) controls the movement of the supporting devices;
the two first supporting devices (4) are respectively arranged on two sides of the bearing seat (2), the two second supporting devices (7) are respectively arranged on two sides of the bearing seat (2), the structures of the first supporting devices (4) and the second supporting devices (7) are the same, each first supporting device (4) comprises a first telescopic rod (41), a second telescopic rod (43) and a connecting piece (42), one end of each first telescopic rod (41) is fixed with the bearing seat (2), and the other end of each first telescopic rod is fixed with the connecting piece (42); one end of the second telescopic rod (43) is fixed with the connecting piece (42), and the other end of the second telescopic rod is provided with an anti-skid block (44);
the lifting assembly comprises a second driving device (3), a hydraulic oil cylinder (102) and a folding connecting piece (10), the second driving device (3) is installed on the bearing seat (2), the second driving device (3) is electrically connected with the control terminal, and the second driving device (3) controls the movement of the hydraulic oil cylinder (102); one end of the folding connecting piece (10) is fixed on the bearing seat (2), and the other end is fixed at the bottom end of the telescopic supporting platform; the folding connecting piece (10) comprises a plurality of scissor units (101), the scissor units (101) are sequentially hinged from top to bottom, each scissor unit (101) comprises a first connecting arm (103) and a second connecting arm (104) which are fixed in a crossed mode in the middle, the hydraulic oil cylinder (102) is installed between every two adjacent scissor units (101), and the hydraulic oil cylinder (102) pushes the folding connecting piece (10) to lift;
the telescopic support platform comprises a third driving device (11) and a telescopic platform, the third driving device (11) is installed on the folding connecting piece (10), the third driving device (11) is electrically connected with the control terminal, and the third driving device (11) controls the telescopic motion of the telescopic platform; the telescopic table is installed on a third driving device (11), the telescopic table comprises a first telescopic table (31), a second telescopic table (32) and a third telescopic table (12), one end of each of the first telescopic table (31) and the third telescopic table (12) is provided with a limiting block (14), the other end of each of the first telescopic table (31) and the third telescopic table (12) is fixed with the second telescopic table (32), and rack rails (13) are arranged on two sides of each of the first telescopic table (31), the second telescopic table (32) and the third telescopic table (12);
the second telescopic table (32) comprises a shell (330), a piston rod and a first fixing rod (321), the first fixing rod (321) is installed in the shell (330), a front cavity (325) and a rear cavity (326) are respectively formed between the first fixing rod (321) and the shell (330), the piston comprises a first piston (323) and a second piston (327), the first piston (323) is installed in the front cavity (325), the second piston (327) is installed in the rear cavity (326), and buffering cushions (322) are respectively arranged between the first piston (323) and the first fixing rod (321) and between the second piston (327) and the first fixing rod (321); the piston rod comprises a first piston rod (324) and a second piston rod (329), a third fixing rod (311) is arranged in the first telescopic table (31), one end of the first piston rod (324) is fixed with the first piston (323), and the other end of the first piston rod (324) is fixed with the third fixing rod (311); a second fixing rod (121) is arranged in the third telescopic table (12), one end of a second piston rod (329) is fixed with the second piston (327), and the other end of the second piston rod is fixed with the second fixing rod (121); dust rings (328) are arranged between the first piston rod (324) and the shell (330) and between the second piston rod (329) and the shell (330), and the dust rings are fixed with the shell (330);
the working frame comprises a moving device and a working table (18), the moving device comprises a plurality of connecting shafts (16) and a plurality of moving gears (15), one end of each connecting shaft (16) is fixed on the bottom surface of the working table (18), and the other end of each connecting shaft is fixed on the corresponding moving gear (15); the working frame and the telescopic supporting platform move in a meshed mode through a moving gear (15) and a rack rail (13), a fourth driving device (17) is arranged in the working platform (18), the fourth driving device (17) is electrically connected with a control terminal, and the fourth driving device (17) controls the moving gear (15) to move; a first supporting rod (28) and a second supporting rod (20) are respectively arranged at two ends of the workbench (18), and a first telescopic wing (27) and a second telescopic wing (19) are respectively arranged in the first supporting rod (28) and the second supporting rod (20); an induction rod (23) is arranged between the first support rod (28) and the second support rod (20), a guardrail (25) is arranged between the first support rod (28) and the induction rod (23), and an induction fence (22) is arranged between the induction rod (23) and the second support rod (20);
the first telescopic wing (27) and the second telescopic wing (19) are identical in structure, a fifth driving device (29) is arranged in the workbench (18), the fifth driving device (29) is electrically connected with a control terminal, and the fifth driving device (29) controls the telescopic motion of the first telescopic wing (27) and the second telescopic wing (19) respectively;
the position sensor comprises a first position sensor (8) and a second position sensor (30), the first position sensor (8) is arranged in the bearing seat (2), and the second position sensor (30) is arranged in the connecting shaft (16); the wind sensor comprises a first wind sensor (26) and a second wind sensor (21), wherein the first wind sensor (26) and the second wind sensor (21) are respectively arranged on a first supporting rod (28) and a second supporting rod (20); the touch sensor (24) is arranged in the induction rod (23), and the first position sensor (8), the second position sensor (30), the first wind power sensor (26), the second wind power sensor (21) and the touch sensor (24) are electrically connected with the control terminal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810861519.7A CN108975236B (en) | 2018-07-31 | 2018-07-31 | Automatic lifting device based on hydraulic control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810861519.7A CN108975236B (en) | 2018-07-31 | 2018-07-31 | Automatic lifting device based on hydraulic control |
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| CN108975236A CN108975236A (en) | 2018-12-11 |
| CN108975236B true CN108975236B (en) | 2020-12-25 |
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| CN110984551B (en) * | 2019-10-28 | 2021-07-30 | 滁州至赢建设有限公司 | High-rise building construction platform with safeguard function |
| CN111248863B (en) * | 2020-01-19 | 2023-01-31 | 国家康复辅具研究中心 | Pressurizing device for inducing human skin hyperemia response |
| CN112141967A (en) * | 2020-09-07 | 2020-12-29 | 中国铁建重工集团股份有限公司 | Lifting device and working vehicle |
| CN114671372A (en) * | 2022-04-15 | 2022-06-28 | 南昌航空大学 | Automatic lifting platform for heat preservation design of high-temperature heating furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201423648Y (en) * | 2009-05-22 | 2010-03-17 | 浙江吉利汽车有限公司 | Automatic control telescoping platform |
| CN103539037B (en) * | 2012-07-14 | 2016-02-10 | 南车青岛四方机车车辆股份有限公司 | A kind of high-altitude operation platform |
| CN202808267U (en) * | 2012-07-14 | 2013-03-20 | 南车青岛四方机车车辆股份有限公司 | High-altitude operation platform |
| CN205907635U (en) * | 2016-07-21 | 2017-01-25 | 图瓦斯（上海）安全***有限公司 | Retractable responds to rail |
| CN106894678A (en) * | 2017-03-08 | 2017-06-27 | 东莞市圣荣自动化科技有限公司 | A kind of maintenance guardrail of portable power equipment |
| CN206720690U (en) * | 2017-05-10 | 2017-12-08 | 谢长友 | It is a kind of can multi-angle regulation aerial work platform |
| CN207192688U (en) * | 2017-09-18 | 2018-04-06 | 沈阳农业大学 | A kind of high-altitude orchard operation assistance platform |
| CN107915161B (en) * | 2017-11-01 | 2019-08-30 | 芜湖市长江起重设备制造有限公司 | A kind of backing plate self extending device of crane vertical leg |
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Effective date of registration: 20211231 Address after: No. 177, Chunjiang Middle Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee after: Changzhou Ruike Precision Machinery Co.,Ltd. Address before: 213164 No. 22, Ming Xin Road, Wujin science and Education City, Changzhou, Jiangsu Patentee before: CHANGZHOU College OF INFORMATION TECHNOLOGY |
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