CN109775605B - Novel lifting mechanism - Google Patents
Novel lifting mechanism Download PDFInfo
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- CN109775605B CN109775605B CN201910025809.2A CN201910025809A CN109775605B CN 109775605 B CN109775605 B CN 109775605B CN 201910025809 A CN201910025809 A CN 201910025809A CN 109775605 B CN109775605 B CN 109775605B
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Abstract
The novel lifting mechanism comprises a horizontal rack, angle adjusting devices and supporting legs, wherein angle adjuster mounting plates are arranged at four corners of the bottom surface of the horizontal rack, angle adjuster motor mounting plates are arranged at two sides of the bottom surface of the horizontal rack, and a distance sensor, an angle sensor, a controller and a battery are arranged on the lower surface of the horizontal rack; the angle modulation device comprises an angle modulation motor, a core piece fixing plate, a core piece movable plate and a transmission rotating shaft, wherein the supporting legs comprise supporting leg fixing plates, an outer sleeve, an inner sleeve, an electric push rod and a driving wheel. When the invention is used for coping with various complex road conditions such as horizontal plane, inclined plane, left-right inclination and the like, the horizontal frame of the lifting mechanism always keeps a horizontal state, the automatic adjusting capability is strong in coping with complex road surface driving process, and the supporting leg structure is stable and firm.
Description
Technical Field
The invention belongs to the field of mechanical equipment, and particularly relates to a novel lifting mechanism.
Background
With the development of society and the improvement of human civilization, lifting mechanisms are always active in the eyes of people. The lifting mechanisms existing in the current market comprise a worm wheel screw rod lifting machine, a lifting table, a screw rod nut lifting mechanism, a gear rack lifting mechanism, a bevel gear lifting mechanism, a belt lifting mechanism, a chain lifting mechanism and the like. However, due to the wide variety of working environments of the lifting mechanism, the existing lifting mechanism in the market has poor adaptability and cannot completely meet all lifting environments. The prior art has the following technical defects: the lifting mechanism is easy to fall down due to unstable gravity center in an inclined supporting environment.
Disclosure of Invention
In order to solve the problems, a novel lifting mechanism is provided, and the specific technical scheme is as follows: the novel lifting mechanism comprises a horizontal rack, angle adjusting devices and supporting legs, wherein angle adjuster mounting plates are arranged at four corners of the bottom surface of the horizontal rack, the number of the angle adjuster mounting plates is four, and the top surface of each angle adjuster mounting plate is fixedly connected with the bottom surface of the horizontal rack through fasteners; the two sides of the bottom surface of the horizontal rack are provided with angle adjuster motor mounting plates, the number of the angle adjuster motor mounting plates is two, the cross section of each angle adjuster motor mounting plate is of a T-shaped structure, and the top surface of each angle adjuster motor mounting plate is fixedly connected with the bottom surface of the horizontal rack through a fastener; the lower surface of the horizontal rack is provided with a distance sensor, an angle sensor, a controller and a battery.
The angle adjusting device comprises angle adjusting motors, core piece fixing plates, core pieces, core piece movable plates and transmission rotating shafts, wherein the number of the angle adjusting motors is two, each angle adjusting motor is arranged on one side of an angle adjusting motor mounting plate and is fixedly connected with the angle adjusting motor mounting plate through a fastener; the core piece fixing plates are arranged on the outer sides of the angle adjuster mounting plates and are of rectangular structures, core piece fixing plate holes are formed in four corners of each core piece fixing plate, a core piece fixing plate shaft hole is formed in the center of each core piece fixing plate, and core piece fixing plate connecting holes are circumferentially formed in the center of each core piece fixing plate; the core piece fixing plate penetrates through the core piece fixing plate hole through a fastener to be fixedly connected with the angle adjuster mounting plate; the core piece is arranged on one side of the core piece fixing plate, and the core piece is welded through a side boss matched with the core piece fixing plate connecting hole to be fixedly connected with the core piece fixing plate; the core piece movable plate is arranged on one side of the core piece, a core piece movable plate groove is formed in the top end of the core piece movable plate, a core piece movable plate connecting hole is formed in the bottom end of the core piece movable plate, and the core piece is welded through the other side face boss matched with the core piece movable plate groove to be fixedly connected with the core piece movable plate; one end of the transmission rotating shaft is fixedly connected with the angle adjuster motor, and the other end of the transmission rotating shaft sequentially penetrates through the angle adjuster motor mounting plate and the core piece fixing plate shaft hole to be fixedly connected with the core piece;
the supporting leg comprises a supporting leg fixing plate, an outer sleeve, an inner sleeve, an electric push rod and a driving wheel, wherein the cross section of the supporting leg fixing plate is of a C-shaped structure, supporting leg fixing plate holes are formed in the side face of the supporting leg fixing plate, the top end of the outer sleeve penetrates through the top face and the bottom face of the supporting leg fixing plate and is fixedly connected with the supporting leg fixing plate through welding, a sliding key fixing block is arranged on the outer wall of the bottom end of the outer sleeve, a sliding key is arranged on one side of the sliding key fixing block, the sliding key is of a T-shaped structure, and one end of the sliding key penetrates through the sliding key fixing block and stretches into the inner sleeve; a sliding key fixing bolt is arranged on one side of the sliding key, and the sliding key is fixedly connected with the sliding key fixing block through the sliding key fixing bolt; the inner sleeve is arranged inside the outer sleeve, one side of the inner sleeve is of a groove-shaped structure to form an inner sleeve sliding groove, and the sliding key is embedded into the inner sleeve sliding groove to realize sliding connection; the electric push rod is arranged in the inner sleeve, pin shafts are arranged at two ends of the electric push rod, one end of the electric push rod is fixedly connected with the top end of the outer sleeve through the pin shafts, and the other end of the electric push rod is fixedly connected with the bottom end of the inner sleeve through the pin shafts; the driving wheel is arranged at the bottom end of the outer sleeve, and the driving wheel is fixedly connected with the outer sleeve through a fastener.
Further, the controller is connected with the angle adjuster motor, the angle sensor, the distance sensor, the electric push rod, the battery and the driving wheel through wires respectively.
Further, the battery is connected with the angle adjuster motor, the angle sensor, the distance sensor, the electric push rod and the driving wheel through wires.
Further, the number of the core piece fixing plate connecting holes is six, and the diameter of each core piece fixing plate connecting hole is matched with the diameter of a boss on one side face of the core piece.
Further, the number of the movable plate grooves of the core piece is four, each movable plate groove of the core piece is in a fan-shaped structure, and the shape and the size of each movable plate groove of the core piece are matched with those of the boss on the other side face of the core piece.
Further, the outer diameter of the inner sleeve is adapted to the inner diameter of the outer sleeve.
Further, the outer diameter of the electric push rod is matched with the inner diameter of the inner sleeve.
Further, the width of the sliding key is adapted to the width of the sliding groove of the inner sleeve.
Further, the fastener is one or more of a rivet, a bolt, a nut and a screw.
The working principle of the invention is as follows:
the lifting method of the invention comprises the following states: (1) horizontal lifting: the controller controls the four driving wheels to advance, and when the lifting mechanism passes through a horizontal road surface, the state of the horizontal rack is detected by the angle sensor, and the horizontal rack is in a horizontal state; the four supporting legs are grounded, the distance sensors send signals to the controller after detecting the height of the horizontal rack from the ground, the controller controls the angle adjuster motor to move, the transmission rotating shaft rotates to drive the core piece to rotate, the core piece drives the two supporting legs corresponding to each other to rotate, the four supporting legs rotate and draw close to enable the horizontal rack to ascend, meanwhile, the angle sensors sense the angles of the supporting legs and the ground, when the supporting legs are vertical to the ground, the angle sensors send signals to the controller, the controller stops the angle adjuster motor to move, and at the moment, the lifting mechanism is static and reaches 1 level to high point; after the height of the horizontal rack from the ground is detected by the distance sensor, the horizontal rack still cannot meet the height requirement, the distance sensor continues to send signals to the controller, the controller controls the electric push rods in each supporting leg to move simultaneously, the electric push rods stretch out, the inner sleeves stretch out of the outer sleeves and are matched with the sliding grooves of the inner sleeves through sliding keys, the inner sleeves are kept to stretch along the same direction, and when the electric push rods reach the maximum stretching amount, the electric push rods stop moving, and the lifting mechanism is static and reaches 2 stages to high points.
(2) Lifting front and rear inclined planes: the controller controls the four driving wheels to advance, and when the lifting mechanism passes through the inclined surface terrain, the state of the horizontal rack is detected by the angle sensor, and the horizontal rack is in a front-back inclined state; the angle sensor is used for sending a signal to the controller, the controller is used for controlling the angle adjuster motors at two sides to rotate, the transmission rotating shafts at two sides are used for driving the core piece to rotate, the core piece drives the corresponding two supporting legs to rotate, a certain angle is formed between one supporting leg and the horizontal rack, one supporting leg is kept in a vertical state, after the supporting leg at one side is kept in the vertical state, the angle adjuster motor at one side is stopped from rotating until the angle sensor detects that the horizontal rack is kept in the horizontal state, the angle adjuster motor at the other side is stopped from rotating, at the moment, the horizontal rack of the lifting mechanism is kept in the horizontal state at an inclined plane, and the lifting mechanism reaches a certain height; after the height of the horizontal rack from the ground is detected by the distance sensor, when the horizontal rack is required to continuously rise, the distance sensor sends a signal to the controller, the controller controls the electric push rod in the supporting leg at one side in a vertical state to move, the electric push rod stretches, the inner sleeve stretches out of the outer sleeve and is matched with the inner sleeve sliding groove through the sliding key, the inner sleeve stretches along the same direction, the state of the horizontal rack is monitored in real time through the angle sensor, the angle sensor sends a signal to the controller, the controller controls the angle adjuster motor at the other side to rotate and the electric push rod at the other side to move, the two supporting legs at the other side are driven to simultaneously rotate and stretch, and the horizontal rack is always kept in a horizontal state by being matched with the stretching movement of the two supporting legs at one side; when the distance sensor detects that the height of the horizontal rack from the ground meets the requirement, the distance sensor detects and sends a signal to the controller, the controller stops the rotation of the motor of the regulator, and the four electric push rods move, so that the lifter reaches a static state and is positioned at the highest point of the inclined plane.
(3) And (3) obliquely lifting left and right: the controller controls the four driving wheels to advance, and when the lifting mechanism passes through the left-right inclined road surface, the state of the horizontal rack is detected by the angle sensor, and the horizontal rack is in the left-right inclined state; the angle sensor sends a signal to the controller, the controller controls the angle adjuster motors at two sides to rotate, the transmission rotating shafts at two sides rotate to drive the core piece to rotate, the core piece drives the two corresponding supporting legs to rotate, when the four supporting legs reach the vertical position but the horizontal rack is still in a horizontal state, the angle sensor sends a signal to the controller, the controller controls the angle adjuster motors to stop rotating, simultaneously the controller controls the two electric push rods at one end of the lower position to move, the electric push rods extend, the inner sleeve extends out of the outer sleeve and is matched with the inner sleeve sliding grooves through the sliding keys to keep the inner sleeve extending along the same direction, until the angle sensor detects that the horizontal rack is in the horizontal state, the controller stops the movement of the horizontal push rods, at the moment, the horizontal rack of the lifting mechanism keeps in the horizontal state on an inclined plane, and the lifting mechanism reaches a certain height; after detecting the height of the horizontal rack from the ground through the distance sensor, when the horizontal rack is required to continuously rise to the height, the distance sensor sends a signal to the controller, the controller controls four electric pushrods to move simultaneously, the electric pushrods stretch out of the outer sleeve, the inner sleeve stretches out of the outer sleeve and is matched with the inner sleeve sliding groove through the sliding key, the inner sleeve is kept to stretch along the same direction, when the electric pushrods at one end of the low position reach the maximum stretching amount, the controller controls the four electric pushrods to stop working simultaneously, and at the moment, the lifter reaches a static state and is at the highest point of an inclined plane.
The beneficial effects of the invention are as follows:
(1) The invention can monitor the horizontal state of the horizontal rack in real time through the angle sensor, can monitor the height position of the horizontal rack in real time through the distance sensor, and can keep the horizontal rack of the lifting mechanism in a horizontal state all the time through the cooperation of the angle sensor and the distance sensor.
(2) According to the invention, the angle adjuster motor is matched with the transmission rotating shaft to rotate, the core piece rotates to drive the supporting legs to rotate, the angle setting between the supporting legs and the ground can be adjusted, the electric push rod moves to drive the inner sleeve to extend out of the outer sleeve, and the length of the supporting legs is adjusted, so that when the lifting mechanism passes through different road structures, such as various complex road conditions on a horizontal plane, an inclined plane, left and right inclined planes and the like, each functional component can be rapidly adjusted, the purpose that the horizontal frame of the lifting mechanism always keeps a horizontal state is achieved, the adaptability of the lifting mechanism to the road surface is strong, and the automatic adjusting capability of the lifting mechanism in the process of driving on the complex road surface is strong.
(3) According to the supporting leg in the lifting mechanism, the sliding key is additionally arranged on the outer sleeve, the inner sleeve sliding groove is arranged in the inner sleeve, and the sliding key is matched with the inner sleeve sliding groove, so that when the electric push rod moves in the inner sleeve, the sliding key always slides in the inner sleeve sliding groove, the outer sleeve and the inner sleeve can always keep in a linear motion state, the inner sleeve and the outer sleeve are prevented from rotating circumferentially, the structure principle is simple, the structure is firm, and the shrinkage and extension systems of the inner sleeve and the outer sleeve are stable.
Drawings
Fig. 1 is a front view of the lifting mechanism from level 1 to high point in a horizontal lifting state.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic view of the lowest point state of the lifting mechanism.
Fig. 4 is a front view of the lifting mechanism in a 2-stage to high-point state in a horizontal lifting state.
Fig. 5 is a schematic elevation view of the elevating mechanism in a front-rear inclined state.
Fig. 6 is a schematic elevation view of the elevating mechanism in a state of tilting left and right.
Fig. 7 is a schematic view of the mounting structure of the elevator mechanism core.
Fig. 8 is a cross-sectional view of the lifting mechanism support leg.
Fig. 9 is a schematic view of the structure of the supporting leg of the elevating mechanism.
Fig. 10 is an enlarged view of a portion of the elevator mechanism at the horizontal frame.
Fig. 11 is a schematic diagram of the connection of the elevator mechanism controller.
Fig. 12 is a schematic diagram of the wiring of the elevator mechanism battery.
List of reference numerals: the angle adjuster motor comprises a horizontal frame 1, an angle adjuster mounting plate 1-1, an angle adjuster motor mounting plate 1-2, a distance sensor 1-3, an angle sensor 1-4, a controller 1-5, a battery 1-6, an angle adjuster 2, an angle adjuster motor 2-1, a core fixing plate 2-2, a core fixing plate hole 2-21, a core fixing plate shaft hole 2-22, a core fixing plate connecting hole 2-23, a core 2-3, a core movable plate 2-4, a core movable plate groove 2-41, a core movable plate connecting hole 2-42, a transmission rotating shaft 2-5, a supporting leg 3, a supporting leg fixing plate 3-1, a supporting leg fixing plate hole 3-11, an outer sleeve 3-2, a sliding key fixing block 3-21, a sliding key 3-22, a sliding key fixing bolt 3-23, an inner sleeve 3-3, an inner sleeve sliding groove 3-31, an electric push rod 3-4, a pin 3-41 and a driving wheel 3-5.
Detailed Description
In order to make the technical scheme of the invention clearer and more definite, the invention is further described below with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixing arrangement and fixing structure of the fixing connection mentioned in this embodiment are all known techniques known to those skilled in the art, such as welding, screw connection, bolt-nut connection, riveting, etc.
The angle sensor in the invention is a general model on the market and can be purchased in the market, and the angle sensor used in the embodiment is a BW-VG527 ultrahigh-precision dynamic inclination sensor manufactured by North microsensor company.
The distance sensor in the invention is a general model on the market and can be purchased in the market, and the distance sensor used in the embodiment is a laser displacement sensor manufactured by Shanghai Dallas photoelectric technology Co., ltd, and the model is ACR-LDS150 (D).
The angle adjuster motor in the invention is a general model on the market and can be purchased in the market, and the angle adjuster motor used in the embodiment is a servo motor manufactured by a manufacturer as Jinyuan tai electromechanical tin-free limited company and has the model of 60SM 01330.
The controller in the invention is a general model on the market, and can be purchased in the market, the controller used in the embodiment adopts a model of Delta in the United states, the model is a RMC150/151 motion controller, the servo drive and the high-performance motion control can be controlled, and the controller has a mature program library and is simple in program design.
The driving wheel is a general type on the market and can be purchased in the market, and the driving wheel used in the embodiment is an electric wheel sold by Yongkang Dongfeng Qingzhang large tire manager, the brand is Xinyu, the rated power is 500KW, and the rated voltage is 35V.
The core part of the invention is a general model on the market and can be purchased in the market, and the core part used in the embodiment is a core part product with the model of TJX2 manufactured by Hubei middle-navigation refiner technology Co.
As can be seen by combining the drawings, the novel lifting mechanism comprises a horizontal frame 1, angle adjusting devices 2 and supporting legs 3, angle adjuster mounting plates 1-1 are arranged at four corners of the bottom surface of the horizontal frame, the number of the angle adjuster mounting plates 1-1 is four, and the top surface of the angle adjuster mounting plates 1-1 is fixedly connected with the bottom surface 1 of the horizontal frame through fasteners; the two sides of the bottom surface of the horizontal frame 1 are provided with angle adjuster motor mounting plates 1-2, the number of the angle adjuster motor mounting plates 1-2 is two, the cross section of each angle adjuster motor mounting plate 1-2 is of a T-shaped structure, and the top surface of each angle adjuster motor mounting plate 1-2 is fixedly connected with the bottom surface of the horizontal frame 1 through a fastener; the lower surface of the horizontal rack 1 is provided with a distance sensor 1-3, an angle sensor 1-4, a controller 1-5 and a battery 1-6;
the angle modulation device 2 comprises angle modulation motors 2-1, a core piece fixing plate 2-2, a core piece 2-3, a core piece movable plate 2-4 and a transmission rotating shaft 2-5, wherein the number of the angle modulation motors 2-1 is two, each angle modulation motor 2-1 is arranged on one side of an angle modulation motor mounting plate 1-2, and is fixedly connected with the angle modulation motor mounting plate 1-2 through a fastener; the core piece fixing plate 2-2 is arranged on the outer side of the angle adjuster mounting plate 1-1, the core piece fixing plate 2-2 is of a rectangular structure, core piece fixing plate holes 2-21 are formed in four corners of the core piece fixing plate 2-2, a core piece fixing plate shaft hole 2-22 is formed in the center of the core piece fixing plate 2-2, and core piece fixing plate connecting holes 2-23 are formed in the center of the core piece fixing plate 2-2 in the circumferential direction; the core piece fixing plate 2-2 penetrates through the core piece fixing plate hole 2-21 through a fastener to be fixedly connected with the angle adjuster mounting plate 1-2; the core piece 2-3 is arranged on one side of the core piece fixing plate 2-2, and the core piece 2-3 is welded by matching a side boss with the core piece fixing plate connecting hole 2-23 to realize fixed connection with the core piece fixing plate 2-2; the core piece movable plate 2-4 is arranged on one side of the core piece 2-3, a core piece movable plate groove 2-41 is formed in the top end of the core piece movable plate 2-4, a core piece movable plate connecting hole 2-42 is formed in the bottom end of the core piece movable plate 2-4, and the core piece 2-3 is welded through the other side face boss matched with the core piece movable plate groove 2-41 to be fixedly connected with the core piece movable plate 2-4; one end of the transmission rotating shaft 2-5 is fixedly connected with the angle adjuster motor 2-1, and the other end of the transmission rotating shaft 2-5 sequentially penetrates through the angle adjuster motor mounting plate 1-2 and the core piece fixing plate shaft hole 2-21 to be fixedly connected with the core piece 2-3;
the supporting leg 3 comprises a supporting leg fixing plate 3-1, an outer sleeve 3-2, an inner sleeve 3-3, an electric push rod 3-4 and a driving wheel 3-5, wherein the cross section of the supporting leg fixing plate 3-1 is of a C-shaped structure, a supporting leg fixing plate hole 3-11 is formed in the side face of the supporting leg fixing plate 3-1, the top end of the outer sleeve 3-2 penetrates through the bottom face and the bottom face of the supporting leg fixing plate 3-1 and is fixedly connected with the supporting leg fixing plate 3-1 through welding, a sliding key fixing block 3-21 is arranged on the outer wall of the bottom end of the outer sleeve 3-2, a sliding key 3-22 is arranged on one side of the sliding key fixing block 3-21, the sliding key 3-22 is of a T-shaped structure, and one end of the sliding key 3-22 penetrates through the sliding key fixing block 3-21 and stretches into the inner sleeve 3-3; a sliding key fixing bolt 3-23 is arranged on one side of the sliding key 3-22, and the sliding key 3-22 is fixedly connected with the sliding key fixing block 3-21 through the sliding key fixing bolt 3-23; the inner sleeve 3-3 is arranged inside the outer sleeve 3-2, one side of the inner sleeve 3-3 is in a groove structure to form an inner sleeve sliding groove 3-31, and the sliding key 3-22 is embedded into the inner sleeve sliding groove 3-31 to realize sliding connection; the electric push rod 3-4 is arranged in the inner sleeve 3-3, pin shafts 3-41 are arranged at two ends of the electric push rod 3-4, one end of the electric push rod 3-4 is fixedly connected with the top end of the outer sleeve 3-2 through the pin shafts 3-41, and the other end of the electric push rod 3-4 is fixedly connected with the bottom end of the inner sleeve 3-3 through the pin shafts 3-41; the driving wheel 3-5 is arranged at the bottom end of the outer sleeve 3-2, and the driving wheel 3-5 is fixedly connected with the outer sleeve 3-2 through a fastener.
Further, the controller 1-5 is connected with the angle adjuster motor 2-1, the angle sensor 1-4, the distance sensor 1-3, the electric push rod 3-4, the battery 1-6 and the driving wheel 3-5 through wires.
Further, the battery 1-6 is connected with the angle adjuster motor 2-1, the angle sensor 1-4, the distance sensor 1-3, the electric push rod 3-4 and the driving wheel 3-5 through wires.
Further, the number of the core piece fixing plate connecting holes 2-23 is six, and the diameter of each core piece fixing plate connecting hole 2-23 is matched with the diameter of a side boss of the core piece 2-3.
Further, the number of the movable plate grooves 2-41 of the core piece is four, each movable plate groove 2-41 of the core piece is in a fan-shaped structure, and the shape and the size of each movable plate groove 2-41 of the core piece are matched with those of the boss on the other side face of the core piece 2-3.
Further, the outer diameter of the inner sleeve 3-3 is adapted to the inner diameter of the outer sleeve 3-2.
Further, the outer diameter of the electric push rod 3-4 is matched with the inner diameter of the inner sleeve 3-3.
Further, the width of the sliding key 3-22 is matched with the width of the inner sleeve sliding groove 3-31.
Further, the fastener is one or more of a rivet, a bolt, a nut and a screw.
The working principle of the invention is as follows:
the lifting method of the invention comprises the following states: (1) horizontal lifting: the controller 1-5 controls the four driving wheels 3-5 to advance, and when the lifting mechanism passes through a horizontal road surface, the state of the horizontal machine frame 1 is detected by the angle sensor 1-4, and the horizontal machine frame 1 is in a horizontal state; the four supporting legs 3 are grounded, the distance sensor 1-3 sends a signal to the controller 1-5 after detecting the height of the horizontal rack 1 from the ground, the angle adjuster motor 2-1 is controlled to move through the controller 1-5, the transmission rotating shaft 2-5 rotates to drive the core piece 2-3 to rotate, the core piece 2-3 drives the two supporting legs 3 corresponding to each other to rotate, the four supporting legs 3 mutually rotate and draw close to enable the horizontal rack 1 to ascend, meanwhile, the angle sensor 1-4 senses the angle between the supporting legs 3 and the ground, when the supporting legs 3 reach the direction perpendicular to the ground, the angle sensor 1-4 sends a signal to the controller 1-5, the controller 1-5 stops the angle adjuster motor 2-1 to move, and at the moment, the lifting mechanism is static and reaches the level 1 to a high point; after the height of the horizontal rack 1 from the ground is detected by the distance sensor 1-3, the horizontal rack 1 still does not meet the height requirement, the distance sensor 1-3 continuously sends a signal to the controller 1-5, the controller 1-5 controls the electric push rods 3-4 in each supporting leg 3 to move simultaneously, the electric push rods 3-4 stretch, the inner sleeves 3-3 stretch out of the outer sleeves 3-2, the inner sleeves 3-2 are kept to stretch along the same direction by being matched with the inner sleeve sliding grooves 3-31 through the sliding keys 3-22, when the electric push rods 3-4 reach the maximum stretching amount, the electric push rods 3-4 stop moving, and the lifting mechanism is static and reaches the level 2 to a high point.
(2) Lifting front and rear inclined planes: the controller 1-5 controls the four driving wheels 3-5 to advance, and when the lifting mechanism passes through the inclined surface terrain, the state of the horizontal rack 1 is detected by the angle sensor 1-4, and the horizontal rack 1 is in a front-back inclined state; the angle sensor 1-4 sends a signal to the controller 1-5, the controller 1-5 controls the angle adjuster motor 2-1 at two sides to rotate, the transmission rotating shafts 2-5 at two sides rotate to drive the core piece 2-3 to rotate, the core piece 2-3 drives the corresponding two supporting legs 3 to rotate, a certain angle is formed between one supporting leg 3 and the horizontal frame 1, the one supporting leg 3 is kept in a vertical state, after the one supporting leg 3 is kept in the vertical state, the angle adjuster motor 2-1 at one side is stopped until the angle sensor 1-4 detects that the horizontal frame 1 is kept in the horizontal state, the angle adjuster motor 2-1 at the other side is stopped, at the moment, the horizontal frame 1 of the lifting mechanism is kept in the horizontal state at an inclined plane, and the lifting mechanism reaches a certain height; after the height of the horizontal rack 1 from the ground is detected by the distance sensor 1-3, when the horizontal rack 1 needs to be lifted continuously, the distance sensor 1-3 sends a signal to the controller 1-5, the controller 1-5 controls the electric push rod 3-4 in the supporting leg 3 at one side in a vertical state to move, the electric push rod 3-4 stretches, the inner sleeve 3-3 stretches out of the outer sleeve 3-2 and is matched with the inner sleeve sliding groove 3-31 by the sliding key 3-22, the inner sleeve 3-3 stretches in the same direction, meanwhile, the state of the horizontal rack 1 is monitored in real time by the angle sensor 1-4, the angle sensor 1-4 sends a signal to the controller 1-5, the controller 1-5 controls the angle adjuster motor 2-1 at the other side to rotate and the two electric push rods 3-4 at the other side to move, the two supporting legs 3 at the other side are driven to simultaneously rotate and stretch, and the two supporting legs 3 at the other side are matched with the stretching movement of the supporting leg 3 at the one side to always keep the horizontal rack 1 in a horizontal state; when the distance sensor 1-3 detects that the height of the horizontal rack 1 from the ground meets the requirement, the distance sensor 1-3 detects and sends a signal to the controller 1-4, the controller 1-5 stops the rotation of the regulator motor 2-1 and the four electric push rods 3-4 move, and the lifter reaches a static state and is positioned at the highest point of the inclined plane.
(3) And (3) obliquely lifting left and right: the controller 1-5 controls the four driving wheels 3-5 to advance, and when the lifting mechanism passes through the left-right inclined road surface, the state of the horizontal rack 1 is detected by the angle sensor 1-4, and the horizontal rack 1 is in a left-right inclined state; the angle sensor 1-4 sends a signal to the controller 1-5, the controller 1-5 controls the angle adjuster motor 2-1 at two sides to rotate, the transmission rotating shafts 2-5 at two sides rotate to drive the core piece 2-3 to rotate, the core piece 2-3 drives the corresponding two supporting legs 3 to rotate, when the four supporting legs 3 reach the vertical position but the horizontal rack 1 is still not in the horizontal state, the angle sensor 1-4 sends a signal to the controller 1-5, the controller 1-5 controls the angle adjuster motor 2-1 to stop rotating, meanwhile, the controller 1-5 controls the two electric push rods 3-4 at one end at a low position to move, the electric push rods 3-4 extend to extend the inner sleeve 3-3 into the outer sleeve 3-2, and the inner sleeve 3-3 is kept to extend along the same direction through the cooperation of the sliding keys 3-22 and the inner sleeve sliding grooves 3-31 until the angle sensor 1-4 detects that the horizontal rack 1 is in the horizontal state, the controller 1-5 stops moving the horizontal push rods 3-4, and the horizontal rack 1 of the lifting mechanism is kept in the horizontal state at a certain height at the moment; after the height of the horizontal rack 1 from the ground is detected by the distance sensor 1-3, when the horizontal rack 1 needs to continuously rise, the distance sensor 1-3 sends a signal to the controller 1-5, the controller 1-5 controls the four electric push rods 3-4 to move simultaneously, the electric push rods 3-4 stretch, the inner sleeve 3-3 stretches out of the outer sleeve 3-2 and is matched with the inner sleeve sliding groove 3-31 through the sliding key 3-22, the inner sleeve 3-3 is kept to stretch along the same direction, when the electric push rods 3-4 at one end of the lower position reach the maximum elongation, the controller 1-5 controls the four electric push rods 3-4 to stop working simultaneously, and at the moment, the lifter reaches a static state and is at the highest point of an inclined plane.
The beneficial effects of the invention are as follows:
(1) The invention can monitor the horizontal state of the horizontal rack in real time through the angle sensor, can monitor the height position of the horizontal rack in real time through the distance sensor, and can keep the horizontal rack of the lifting mechanism in a horizontal state all the time through the cooperation of the angle sensor and the distance sensor.
(2) According to the invention, the angle adjuster motor is matched with the transmission rotating shaft to rotate, the core piece rotates to drive the supporting legs to rotate, the angle setting between the supporting legs and the ground can be adjusted, the electric push rod moves to drive the inner sleeve to extend out of the outer sleeve, and the length of the supporting legs is adjusted, so that when the lifting mechanism passes through different road structures, such as various complex road conditions on a horizontal plane, an inclined plane, left and right inclined planes and the like, each functional component can be rapidly adjusted, the purpose that the horizontal frame of the lifting mechanism always keeps a horizontal state is achieved, the adaptability of the lifting mechanism to the road surface is strong, and the automatic adjusting capability of the lifting mechanism in the process of driving on the complex road surface is strong.
(3) According to the supporting leg in the lifting mechanism, the sliding key is additionally arranged on the outer sleeve, the inner sleeve sliding groove is arranged in the inner sleeve, and the sliding key is matched with the inner sleeve sliding groove, so that when the electric push rod moves in the inner sleeve, the sliding key always slides in the inner sleeve sliding groove, the outer sleeve and the inner sleeve can always keep in a linear motion state, the inner sleeve and the outer sleeve are prevented from rotating circumferentially, the structure principle is simple, the structure is firm, and the shrinkage and extension systems of the inner sleeve and the outer sleeve are stable.
Claims (9)
1. The novel lifting mechanism is characterized by comprising a horizontal rack, angle adjusting devices and supporting legs, wherein angle adjuster mounting plates are arranged at four corners of the bottom surface of the horizontal rack, the number of the angle adjuster mounting plates is four, and the top surface of each angle adjuster mounting plate is fixedly connected with the bottom surface of the horizontal rack through fasteners; the two sides of the bottom surface of the horizontal rack are provided with angle adjuster motor mounting plates, the number of the angle adjuster motor mounting plates is two, the cross section of each angle adjuster motor mounting plate is of a T-shaped structure, and the top surface of each angle adjuster motor mounting plate is fixedly connected with the bottom surface of the horizontal rack through a fastener; the lower surface of the horizontal rack is provided with a distance sensor, an angle sensor, a controller and a battery;
the angle adjusting device comprises angle adjusting motors, core piece fixing plates, core pieces, core piece movable plates and transmission rotating shafts, wherein the number of the angle adjusting motors is two, each angle adjusting motor is arranged on one side of an angle adjusting motor mounting plate and is fixedly connected with the angle adjusting motor mounting plate through a fastener; the core piece fixing plates are arranged on the outer sides of the angle adjuster mounting plates and are of rectangular structures, core piece fixing plate holes are formed in four corners of each core piece fixing plate, a core piece fixing plate shaft hole is formed in the center of each core piece fixing plate, and core piece fixing plate connecting holes are circumferentially formed in the center of each core piece fixing plate; the core piece fixing plate penetrates through the core piece fixing plate hole through a fastener to be fixedly connected with the angle adjuster mounting plate; the core piece is arranged on one side of the core piece fixing plate, and the core piece is welded through a side boss matched with the core piece fixing plate connecting hole to be fixedly connected with the core piece fixing plate; the core piece movable plate is arranged on one side of the core piece, a core piece movable plate groove is formed in the top end of the core piece movable plate, a core piece movable plate connecting hole is formed in the bottom end of the core piece movable plate, and the core piece is welded through the other side face boss matched with the core piece movable plate groove to be fixedly connected with the core piece movable plate; one end of the transmission rotating shaft is fixedly connected with the angle adjuster motor, and the other end of the transmission rotating shaft sequentially penetrates through the angle adjuster motor mounting plate and the core piece fixing plate shaft hole to be fixedly connected with the core piece;
the supporting leg comprises a supporting leg fixing plate, an outer sleeve, an inner sleeve, an electric push rod and a driving wheel, wherein the cross section of the supporting leg fixing plate is of a C-shaped structure, supporting leg fixing plate holes are formed in the side face of the supporting leg fixing plate, the top end of the outer sleeve penetrates through the top face and the bottom face of the supporting leg fixing plate and is fixedly connected with the supporting leg fixing plate through welding, a sliding key fixing block is arranged on the outer wall of the bottom end of the outer sleeve, a sliding key is arranged on one side of the sliding key fixing block, the sliding key is of a T-shaped structure, and one end of the sliding key penetrates through the sliding key fixing block and stretches into the inner sleeve; a sliding key fixing bolt is arranged on one side of the sliding key, and the sliding key is fixedly connected with the sliding key fixing block through the sliding key fixing bolt; the inner sleeve is arranged inside the outer sleeve, one side of the inner sleeve is of a groove-shaped structure to form an inner sleeve sliding groove, and the sliding key is embedded into the inner sleeve sliding groove to realize sliding connection; the electric push rod is arranged in the inner sleeve, pin shafts are arranged at two ends of the electric push rod, one end of the electric push rod is fixedly connected with the top end of the outer sleeve through the pin shafts, and the other end of the electric push rod is fixedly connected with the bottom end of the inner sleeve through the pin shafts; the driving wheel is arranged at the bottom end of the outer sleeve, and the driving wheel is fixedly connected with the outer sleeve through a fastener.
2. The novel lifting mechanism according to claim 1, wherein the controller is connected with the angle adjuster motor, the angle sensor, the distance sensor, the electric push rod, the battery and the driving wheel through wires respectively.
3. The novel lifting mechanism according to claim 1, wherein the battery is connected with the angle adjuster motor, the angle sensor, the distance sensor, the electric push rod and the driving wheel through wires respectively.
4. The novel lifting mechanism according to claim 1, wherein the number of the core fixing plate connecting holes is six, and the diameter of each core fixing plate connecting hole is matched with the diameter of a boss on one side of the core.
5. The novel lifting mechanism according to claim 1, wherein the number of the movable plate grooves of the core piece is four, each movable plate groove of the core piece is in a fan-shaped structure, and the shape and the size of each movable plate groove of the core piece are matched with those of the boss on the other side face of the core piece.
6. A novel lifting mechanism according to claim 1, wherein the outer diameter of the inner sleeve is adapted to the inner diameter of the outer sleeve.
7. The novel lifting mechanism according to claim 1, wherein the outer diameter of the electric push rod is adapted to the inner diameter of the inner sleeve.
8. The novel lifting mechanism of claim 1, wherein the sliding key width is adapted to the inner sleeve runner width.
9. The novel lifting mechanism according to claim 1, wherein the fastener is one or more of a rivet, a bolt, a nut, and a screw.
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| CN201910025809.2A CN109775605B (en) | 2019-01-10 | 2019-01-10 | Novel lifting mechanism |
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| CN201910025809.2A CN109775605B (en) | 2019-01-10 | 2019-01-10 | Novel lifting mechanism |
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| CN112904904B (en) * | 2021-01-28 | 2022-12-02 | 四川巧夺天工信息安全智能设备有限公司 | Method and device for controlling lifting of electric push rod |
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