CN112239183A - Automatic lifting mechanism - Google Patents
Automatic lifting mechanism Download PDFInfo
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- CN112239183A CN112239183A CN202011105019.4A CN202011105019A CN112239183A CN 112239183 A CN112239183 A CN 112239183A CN 202011105019 A CN202011105019 A CN 202011105019A CN 112239183 A CN112239183 A CN 112239183A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 230000033001 locomotion Effects 0.000 claims abstract description 78
- 230000001360 synchronised effect Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 138
- 230000008093 supporting effect Effects 0.000 claims description 26
- 239000003638 chemical reducing agent Substances 0.000 description 14
- 230000003287 optical effect Effects 0.000 description 8
- 230000003028 elevating effect Effects 0.000 description 6
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- 229910000831 Steel Inorganic materials 0.000 description 4
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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
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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
- B66F13/00—Common constructional features or accessories
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Abstract
The invention provides an automatic lifting mechanism, comprising: the first-stage lifting device can do lifting motion along the vertical direction and can be supported on a ceiling; the second-stage lifting device is arranged on the frame, performs lifting motion along the vertical direction of the frame, and the upper end part of the second-stage lifting device is connected with the first-stage lifting device through a sliding pair, so that the rigidity of the second-stage lifting device is improved; the third-stage lifting device synchronously lifts with the second-stage lifting device; the left arm and the right arm which are arranged on the third-stage lifting device perform synchronous lifting motion along with the third-stage lifting device and perform forward or backward telescopic motion along the vertical direction of the third-stage lifting device respectively; the fourth-stage lifting device synchronously extends and retracts and adjusts the angle along with the left arm and/or the right arm and lifts along the vertical direction; the transverse moving device synchronously extends and retracts and/or lifts along with the fourth-stage lifting device. The invention has high precision, high rigidity, large bearing capacity and high degree of freedom, and simultaneously realizes the multi-degree-of-freedom and high-precision controllable motion in other directions.
Description
Technical Field
The invention relates to the field of automatic lifting of loads, in particular to an automatic lifting mechanism mainly used for large loads from the floor to the full height of a ceiling in a room.
Background
The mechanism that can be used to indoor promotion is more at present, but can only realize the promotion of part height basically, can't realize the promotion of the full height of indoor net height, and current hoist mechanism all is single vertical lift simultaneously, and the heavy object that promotes does not have the high accuracy controllable motion of other degrees of freedom when the vertical direction promotes. In addition, when the load of the existing lifting mechanism is large, the lifting mechanism per se has large deformation, and the track straightness in the lifting process cannot be ensured.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide an automatic lifting mechanism.
In order to solve the above problems, the present invention provides an automatic lifting mechanism, comprising:
a frame providing a fixed base for the entire set of lifting device;
the first-stage lifting device is arranged on the frame, can do lifting motion along the vertical direction, can be supported on a ceiling and provides support for the whole set of lifting device;
the second-stage lifting device is arranged on the frame and can perform lifting motion along the vertical direction of the frame; the upper end of the second-stage lifting device is connected to the first-stage lifting device through a sliding pair, and the rigidity of the second-stage lifting device is improved by means of a stable support formed by propping the first-stage lifting device on a ceiling;
the third-stage lifting device is arranged on the second-stage lifting device, performs synchronous lifting motion along with the second-stage lifting device, and can perform lifting motion along the vertical direction of the second-stage lifting device; the third-stage lifting device is provided with a left arm and a right arm, the left arm and the right arm are perpendicular to the third-stage lifting device, and the left arm and the right arm synchronously lift along with the third-stage lifting device and can respectively perform forward or backward telescopic motion along the perpendicular direction of the third-stage lifting device;
the fourth-stage lifting device is arranged at the tail ends of the left arm and the right arm, performs synchronous telescopic motion along with the left arm and/or the right arm, and adjusts the left and right angles of the fourth-stage lifting device through the difference of telescopic distances of the left arm and the right arm; the left arm and/or the right arm can move up and down along the vertical direction;
and the transverse moving device is arranged on the fourth-stage lifting device, performs synchronous telescopic motion and/or lifting motion along with the fourth-stage lifting device, and can perform linear motion along the horizontal direction of the fourth-stage lifting device.
Preferably, the top of the first-stage lifting device is provided with a supporting leg which is used for being supported on a ceiling, and the supporting leg is provided with an elastic component which ensures the reliability of contact between the supporting leg and the ceiling.
Preferably, the first stage lifting device comprises:
the first lifting rod and the second lifting rod are symmetrically arranged on the frame;
the first transmission component and the second transmission component are connected with the first lifting rod and the second lifting rod and drive the first lifting rod and the second lifting rod to do lifting motion along the vertical direction;
the first power part is connected with the first transmission part and the second transmission part through a first rotating shaft respectively, and the first transmission part transmits power to the first transmission part and the second transmission part through the first transmission shaft, and synchronously drives the first transmission part and the second transmission part to perform lifting motion, so that the first lifting rod and the second lifting rod are driven to perform lifting motion synchronously.
Preferably, the second stage lifting device comprises:
the first lifting plate and the second lifting plate are symmetrically arranged on the frame, the upper ends of the first lifting plate and the second lifting plate are connected with the first lifting rod and the second lifting rod, and the lower ends of the first lifting plate and the second lifting plate are connected with the frame;
the third transmission component and the fourth transmission component are respectively connected with the lower ends of the first lifting plate and the second lifting plate and drive the first lifting plate and the second lifting plate to do lifting motion along the vertical direction;
and the second power part is respectively connected with the third transmission part and the fourth transmission part through a second rotating shaft, and transmits power to the third transmission part and the fourth transmission part through the second transmission shaft, so that the third transmission part and the fourth transmission part are synchronously driven to perform lifting motion, and the first lifting plate and the second lifting plate are driven to perform lifting motion synchronously.
Preferably, the third stage lifting device comprises:
the third lifting plate and the fourth lifting plate are respectively arranged on the inner sides of the first lifting plate and the second lifting plate;
the fifth transmission component and the sixth transmission component are respectively arranged on the first lifting plate and the second lifting plate and are respectively connected with the third lifting plate and the fourth lifting plate to drive the third lifting plate and the fourth lifting plate to do lifting motion along the vertical direction;
and the third power part is respectively connected with the fifth transmission part and the sixth transmission part through a third rotating shaft, and transmits power to the fifth transmission part and the sixth transmission part through the third transmission shaft, so that the fifth transmission part and the sixth transmission part are synchronously driven to perform lifting motion, and the third lifting plate and the fourth lifting plate are driven to perform lifting motion synchronously.
Preferably, the left arm is connected with the third lifting plate, and the right arm is connected with the fourth lifting plate; the left arm and the right arm respectively realize front and back telescopic motion through a fourth power part, a fifth power part driving screw rod and a sliding rail sliding block, the front and back telescopic distance of the left arm and the right arm can be independently controlled, and front and back positions and angles can be adjusted through the difference of the front and back telescopic distances of the left arm and the right arm.
Preferably, the fourth stage lifting means comprises:
one end of the plate-shaped component is fixed at the tail end of the left arm through a hinge joint, and the other end of the plate-shaped component is fixed at the tail end of the right arm through a sliding and rotating integrated pair, so that the plate-shaped component can perform front and back telescopic motion along with the left arm and the right arm; a sliding plate is arranged on the plate-shaped component;
the seventh transmission component is arranged on the plate-shaped component and is connected with the sliding plate to drive the sliding plate to move up and down along the length direction of the plate-shaped component;
and the sixth power component drives the seventh transmission component to move up and down.
Preferably, the traverse device includes:
the horizontal moving plate is arranged on the sliding plate;
the eighth transmission component is arranged on the sliding plate and connected with the horizontal moving plate to drive the horizontal moving plate to move along the horizontal direction of the sliding plate;
and the seventh power component drives the eighth transmission component to do horizontal linear motion.
Preferably, the frame is of a pentahedral structure with a hollowed-out interior; the pentahedral structure has two left and right risers that are symmetrical about a central plane.
Preferably, the bottom of the pentahedral structure is fixed on the supporting platform in a threaded fastening manner.
Compared with the prior art, the invention has the beneficial effects of at least one or more of the following:
according to the lifting mechanism, the accuracy of the line estimated by lifting the tail end is high in the whole lifting stroke; the frame and each stage of lifting mechanism are mutually connected, so that the bending resistance and torsion resistance of the lifting device are greatly improved, and the rigidity is high; the bearing capacity is large; the tail end degree of freedom is high, the front-back and left-right translation motion of the tail end bearing mechanism can be realized through the movement of the double-arm stretching and transverse moving device, and meanwhile, the position adjusting range of the tail end mechanism is large through the difference of double-arm stretching strokes, and the tail end bearing mechanism has angle adjusting capacity.
The lifting mechanism has high anti-overturning capacity, the top support formed by the ceiling supporting legs is fixed, the whole lifting mechanism can be ensured to be stable and reliable, the integral anti-overturning capacity is greatly improved, and meanwhile, the supporting legs are provided with the elastic parts, so that the reliability of the top support of the ceiling supporting legs can be ensured even if the supporting legs are vibrated.
The lifting mechanism has small volume after being contracted, and the lifting mechanism has small size after all the lifting devices are completely retracted and can enter and exit a narrow channel; the stroke is high, and the vertical stroke of the whole mechanism is large after the whole mechanism is completely unfolded.
According to the lifting mechanism, the power parts of the multi-stage lifting device realize synchronous lifting of the moving parts on the left side and the right side through the transmission shafts, and unbalance loading and incapability of lifting caused by single lifting are avoided.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of an automated lifting mechanism according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation of each stage of the lifting device of the automated lifting mechanism according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of the operation of the left arm, the right arm and the fourth stage lifting device of the automated lifting mechanism according to a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of the operation of the fourth stage lifting device and traverse device of the automated lifting mechanism of a preferred embodiment of the present invention;
the scores in the figure are indicated as: 1000 is the frame, 2000 is first level hoisting device, 3000 is the supporting legs, 4000 is second level hoisting device, 5000 is third level hoisting device, 6000 is the left arm, 7000 is the right arm, 8000 is fourth level hoisting device, 9000 is the sideslip device.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Referring to fig. 1, there is shown a schematic structural diagram of an automated lifting mechanism according to a preferred embodiment of the present invention, the automated lifting mechanism is mainly used for an automated lifting device with a large load from the floor to the ceiling, and the automated lifting mechanism includes a frame 1000, a first-stage lifting device 2000, a second-stage lifting device 4000, a third-stage lifting device 5000, a left arm 6000, a right arm 7000, a fourth-stage lifting device 8000, and a traverse device 9000.
Wherein the frame 1000 provides a fixed base for the entire set of lifting devices.
The first stage lifting device 2000 is mounted on the frame 1000, and the first stage lifting device 2000 can perform lifting movement along the vertical direction and can be supported on the ceiling to provide support for the whole set of lifting device.
The second-stage lifting device 4000 is arranged on the frame 1000, and the second-stage lifting device 4000 can perform lifting motion along the vertical direction of the frame 1000; the upper end of the second-stage lifting device 4000 is connected to the first-stage lifting device 2000 through a sliding pair, and the first-stage lifting device 2000 is used for supporting a stable support formed on a ceiling, so that the rigidity of the second-stage lifting device 4000 is improved.
The third-stage lifting device 5000 is arranged on the second-stage lifting device 4000, and the third-stage lifting device 5000 performs synchronous lifting motion along with the second-stage lifting device 4000 and can perform lifting motion along the vertical direction of the second-stage lifting device 4000; third level elevating gear 5000 is equipped with left arm 6000, right arm 7000, and left arm 6000, right arm 7000 are perpendicular with third level elevating gear 5000 mutually to can pass through bolt fastening with third level elevating gear 5000, left arm 6000, right arm 7000 do synchronous elevating movement along with third level elevating gear 5000, and can independently do forward or backward concertina movement along third level elevating gear 5000's vertical direction respectively.
Fourth stage lifting device 8000 is mounted at the tail end of left arm 6000 and right arm 7000, and fourth stage lifting device 8000 makes synchronous telescopic motion along with left arm 6000 and/or right arm 7000 and can make lifting motion along the vertical direction. The fourth-stage lifting device 8000 realizes the extending distance and the corner posture of the fourth-stage lifting device 8000 through the difference of the telescopic distances of the left arm 6000 and the right arm 7000.
The traverse device 9000 is installed on the fourth-stage lifting device 8000, and the traverse device 9000 performs synchronous telescopic motion and/or lifting motion along with the fourth-stage lifting device 8000, and can perform linear motion along the horizontal direction of the fourth-stage lifting device 8000. The traversing device 9000 can be used for installing a tail end bearing mechanism, can realize the translation motion of the tail end bearing mechanism in the front-back direction and the left-right direction, and has larger position adjusting range and angle adjusting capability through the difference of the telescopic strokes of two arms.
After the automatic lifting mechanism is fixed, the automatic lifting mechanism is supported on a ceiling through the first-stage lifting device 2000 to form a stable support, so that the automatic lifting mechanism still has high lifting track precision under the condition of ensuring a large load; the motion of three degrees of freedom of the carried executing component, namely front-back, left-right position adjustment and angle adjustment, can be realized simultaneously in the lifting process.
In other preferred embodiments, the top of the first stage lifting device 2000 is provided with a supporting leg 3000 for supporting on the ceiling, so as to support the ceiling to provide a stable support, improve the overall rigidity, and ensure the track accuracy of the lifting. An elastic member is provided in the support leg 3000, and the elastic member is elastically deformable in the vertical direction. Preferably, the elastic member may be a spring, a cylinder, or the like. Even under the condition that the whole set of mechanism bears vibration load, the reliability of contact between the supporting legs 3000 and the ceiling can be ensured, and a stable and reliable support is provided for the whole set of lifting mechanism. The number of the supporting legs 3000 may be one or more. When the number of the supporting legs 3000 is plural and more than three, the supporting legs 3000 are distributed in a triangular shape, and the supporting structure is more stable.
In other partially preferred embodiments, referring to fig. 1 and 2, the first stage lifting device 2000 comprises: the device comprises a first lifting rod, a second lifting rod, a first transmission part, a second transmission part and a first power part; wherein,
the first lifting rod and the second lifting rod are symmetrically arranged on the frame 1000. The first lifting rod and the second lifting rod are arranged along the vertical direction and used as guide rods. A horizontal plate is arranged at the top ends of the first lifting rod and the second lifting rod, and supporting legs 3000 can be arranged on the horizontal plate, so that the supporting legs 3000 are positioned on the same horizontal plane, and the supporting effect is more stable.
The first transmission part and the second transmission part are connected with the first lifting rod and the second lifting rod to drive the first lifting rod and the second lifting rod to do lifting motion along the vertical direction. As an optimal mode, first drive disk assembly, second drive disk assembly all can adopt the sprocket chain, and the chain of sprocket chain sets up along vertical direction, and first lifter, second lifter connect the chain respectively, drive first lifter, second lifter through the chain and carry out the oscilaltion. In specific implementation, the first transmission component and the second transmission component may also adopt a synchronous belt of a synchronous wheel or a lead screw, and when the lead screw is adopted, a guide rail is required to be configured, and the guide rail can be fixed on the frame 1000; the guide rail can adopt a linear slide rail slide block, and can also be a linear optical axis, an optical axis with a seat or a channel steel and a roller and the like.
The first power component is connected with the first transmission component and the second transmission component through the first rotating shaft respectively, power is transmitted to the first transmission component and the second transmission component through the first rotating shaft, the first transmission component and the second transmission component are synchronously driven to perform lifting motion, and therefore the first lifting rod and the second lifting rod are driven to perform lifting motion synchronously. The first lifting rod and the second lifting rod on the left side and the right side are lifted synchronously through the first transmission shaft, and unbalance loading and incapability of lifting caused by single lifting are avoided. In a preferred embodiment, the first power member may be a motor or a speed reducer, and the motor or the speed reducer transmits power to the first transmission member and the second transmission member on the left and right sides via the first transmission shaft. The first power component may also be driven by an electric cylinder, a hydraulic cylinder, or the like. In other partially preferred embodiments, the second stage lift 4000 comprises: the lifting device comprises a first lifting plate, a second lifting plate, a third transmission component, a fourth transmission component and a second power component; wherein,
the first lifting plate and the second lifting plate are vertically and symmetrically arranged on the frame 1000 and are respectively positioned at the inner sides of the first lifting rod and the second lifting rod. The upper ends of the first lifting plate and the second lifting plate are respectively fixed on the first lifting rod and the second lifting rod through linear bearings, the lower ends of the first lifting plate and the second lifting plate are fixedly connected with the third transmission component and the fourth transmission component while being connected with the frame 1000 through sliding pairs, and the first lifting plate and the second lifting plate are fixed on the frame 1000 through the third transmission component and the fourth transmission component (linear slide rail sliders). The second-stage lifting device 4000 is connected with the frame 1000 and the first-stage lifting mechanism through the upper end and the lower end, and the first lifting plate and the second lifting plate are fixed together through the connecting plate arranged at the upper end of the first lifting plate and the upper end of the second lifting plate, so that the rigidity of the second-stage lifting device 4000 is improved, and the rigidity of the second-stage lifting device 4000 is improved.
The third transmission part and the fourth transmission part are respectively connected with the first lifting plate and the second lifting plate to drive the first lifting plate and the second lifting plate to do lifting motion along the vertical direction; the third transmission part and the fourth transmission part can be chain wheels and chains, and the chain wheels and the chains drive the first lifting plate and the second lifting plate to lift up and down on the vertical guide rail paved in the vertical direction of the frame 1000. In specific implementation, the third transmission component and the fourth transmission component may also adopt a synchronous pulley synchronous belt or a lead screw, and the guide rail may adopt a linear slide rail slider, a linear optical axis, a belt seat optical axis, a channel steel and a roller, and the like.
The second power part is respectively connected with the third transmission part and the fourth transmission part through a second rotating shaft, power is transmitted to the third transmission part and the fourth transmission part through the second transmission shaft, the third transmission part and the fourth transmission part are synchronously driven to do lifting motion, and therefore the first lifting plate and the second lifting plate are driven to do lifting motion synchronously. The first lifting plate and the second lifting plate on the left side and the right side are lifted synchronously through the second transmission shaft, and unbalance loading and incapability of lifting caused by single lifting are avoided. The second power component can adopt a motor and a speed reducer, the motor is connected with the speed reducer, and power is transmitted to the third transmission component and the fourth transmission component on the left side and the right side through the motor and the speed reducer through the second transmission shaft. The second power component can also be driven by an electric cylinder or a hydraulic cylinder.
In other partially preferred embodiments, referring to fig. 1 and 2, the third stage lifting device 5000 comprises a third lifting plate, a fourth lifting plate, a fifth transmission component, a sixth transmission component and a third power component; wherein,
the third lifting plate and the fourth lifting plate are respectively arranged at the inner sides of the first lifting plate and the second lifting plate;
the fifth transmission component and the sixth transmission component are respectively arranged on the first lifting plate and the second lifting plate and are respectively connected with the third lifting plate and the fourth lifting plate to drive the third lifting plate and the fourth lifting plate to do lifting motion along the vertical direction; as a preferred mode, the fifth transmission component and the sixth transmission component can both adopt a chain wheel and a chain, and the chain wheel drive the third lifting plate and the fourth lifting plate to respectively lift up and down on the vertical guide rails laid along the length direction of the first lifting plate and the second lifting plate. In specific implementation, the fifth transmission component and the sixth transmission component may also adopt a synchronous pulley synchronous belt or a lead screw, and the guide rail may adopt a linear slide rail slider, a linear optical axis, a belt seat optical axis, a channel steel and a roller, and the like.
The third power part is respectively connected with the fifth transmission part and the sixth transmission part through a third rotating shaft, power is transmitted to the fifth transmission part and the sixth transmission part through a third transmission shaft, the fifth transmission part and the sixth transmission part are synchronously driven to do lifting motion, and therefore the third lifting plate and the fourth lifting plate are driven to do lifting motion synchronously. The third lifting plate and the fourth lifting plate on the left side and the right side are lifted synchronously through the third transmission shaft, and unbalance loading and incapability of lifting caused by single lifting are avoided. Preferably, the third power unit is a motor and a speed reducer, and the motor and the speed reducer transmit power to the fifth transmission unit and the sixth transmission unit on the left and right sides via the third transmission shaft, so that the third lifting plate and the fourth lifting plate on the left and right sides can be lifted or lowered synchronously. The third power component can also be driven by an electric cylinder or a hydraulic cylinder.
The third stage lifting device 5000 can be symmetrically fixed on the second stage lifting mechanism through a fifth transmission component and a sixth transmission component (linear slide rail slide block). Preferably, the driving motor of the third stage lifting device 5000 is connected to the reducer and then fixed to the connecting plate, and transmits power to the third stage lifting mechanisms symmetrically arranged in the left and right directions through the transmission shaft, so that the third stage lifting mechanisms move in synchronization in the left and right directions.
In other embodiments, referring to fig. 1, 2 and 3, the left arm 6000 is connected to the third lifting plate and can move up and down along with the third lifting plate; the right arm 7000 is connected with the fourth lifting plate and can move up and down along with the fourth lifting plate; left arm 6000, right arm 7000 are respectively through fourth power component, fifth power component drive lead screw and slide rail slider realization front and back concertina movement, and the front and back flexible distance of left arm 6000, right arm 7000 can independent control, through the difference of the front and back flexible distance of left arm 6000, right arm 7000, the adjustment of position, angle around realizing. Preferably, the fourth power component and the fifth power component can adopt a motor and a speed reducer, and the motor and the speed reducer drive the screw rod and the slide rail slide block to move back and forth. The fourth power component can also adopt electric cylinder drive, synchronous wheel synchronous belts, chain wheels, chains, gear racks and the like.
In other partially preferred embodiments, as shown with reference to fig. 1, 3 and 4, the fourth stage lift 8000 includes a plate member, a seventh transmission member and a sixth power member; wherein,
one end of the plate-shaped component is fixed at the tail end of the left arm 6000 through hinging, and the other end of the plate-shaped component is fixed at the tail end of the right arm 7000 through a sliding and rotating integrated pair, so that the plate-shaped component can perform front and back telescopic motion along with the left arm 7000 and the right arm 7000; the plate-shaped component is provided with a sliding plate.
The seventh transmission part is arranged on the plate-shaped part and connected with the sliding plate to drive the sliding plate to move up and down along the length direction of the plate-shaped part; as a preferable mode, the seventh transmission component can adopt a chain wheel and a chain, and the chain wheel and the chain drive the sliding plate to vertically lift on a vertical guide rail laid along the length direction of the plate-shaped component; the seventh transmission component can also adopt a synchronous wheel synchronous belt, a gear rack and the like.
The sixth power component drives the seventh transmission component to do lifting movement. Preferably, the sixth power component may adopt a motor and a speed reducer, and the seventh transmission component is driven by the motor and the speed reducer to move up and down. The sixth power component can also be driven by an electric cylinder, a hydraulic cylinder and the like.
In other partially preferred embodiments, as shown in fig. 1 and 4, a traverse device 9000 comprises: the horizontal moving plate, the eighth transmission component and the seventh power component; wherein,
the horizontal moving plate is arranged on the sliding plate;
the eighth transmission part is arranged on the sliding plate and connected with the horizontal moving plate to drive the horizontal moving plate to move along the horizontal direction of the sliding plate; preferably, the eighth transmission member may be a sprocket chain, and the horizontal movement plate is driven by the sprocket chain to move to the left and right positions on a horizontal rail laid along the longitudinal direction of the slide plate. In a specific implementation, the eighth transmission component may also adopt a synchronous pulley synchronous belt or a lead screw, and the guide rail may adopt a linear slide rail slider, or may also adopt a linear optical axis, a belt seat optical axis, or a channel steel roller.
The seventh power component drives the eighth transmission component to do horizontal linear motion. Preferably, the seventh power component may adopt a motor and a speed reducer, and the eighth transmission component is driven by the motor and the speed reducer to perform linear motion in the horizontal direction. The seventh power component can also adopt an electric cylinder, a gear, a hydraulic cylinder drive and the like.
In other partially preferred embodiments, the frame 1000 is a pentahedral structure with an internal hollow for mounting the power components of the first-stage lift device 2000 and the second-stage lift device 4000. The pentahedral structure is provided with a left vertical plate and a right vertical plate which are symmetrical about a central plane, and the bottom ends of the left vertical plate and the right vertical plate are fixed on a mounting plate, and the mounting plate is horizontally arranged. The first lifting rod and the second lifting rod are respectively installed on the upper end surfaces of the left vertical plate and the right vertical plate. As a preferred mode, the bottom (mounting plate) of the pentahedron structure is fixed on a supporting platform in a threaded fastening mode, and the supporting platform is the ground or a table top; but may of course also be bolted or otherwise fixed.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. An automatic lifting mechanism, comprising:
a frame providing a fixed base for the entire set of lifting device;
the first-stage lifting device is arranged on the frame, can do lifting motion along the vertical direction, can be supported on a ceiling and provides support for the whole set of lifting device;
the second-stage lifting device is arranged on the frame and can perform lifting motion along the vertical direction of the frame; the upper end of the second-stage lifting device is connected to the first-stage lifting device through a sliding pair, and the rigidity of the second-stage lifting device is improved by means of a stable support formed by propping the first-stage lifting device on a ceiling;
the third-stage lifting device is arranged on the second-stage lifting device, performs synchronous lifting motion along with the second-stage lifting device, and can perform lifting motion along the vertical direction of the second-stage lifting device; the third-stage lifting device is provided with a left arm and a right arm, the left arm and the right arm are perpendicular to the third-stage lifting device, and the left arm and the right arm synchronously lift along with the third-stage lifting device and can respectively perform forward or backward telescopic motion along the perpendicular direction of the third-stage lifting device;
the fourth-stage lifting device is arranged at the tail ends of the left arm and the right arm, performs synchronous telescopic motion along with the left arm and/or the right arm, and adjusts the left and right angles of the fourth-stage lifting device through the difference of telescopic distances of the left arm and the right arm; the left arm and/or the right arm can move up and down along the vertical direction;
and the transverse moving device is arranged on the fourth-stage lifting device, performs synchronous telescopic motion and/or lifting motion along with the fourth-stage lifting device, and can perform linear motion along the horizontal direction of the fourth-stage lifting device.
2. The automatic lifting mechanism according to claim 1, wherein the top of the first stage lifting device is provided with a supporting foot for supporting on a ceiling, and the supporting foot is provided with an elastic component for ensuring the reliability of the contact between the supporting foot and the ceiling.
3. The automatic lifting mechanism of claim 1, wherein the first stage lifting device comprises:
the first lifting rod and the second lifting rod are symmetrically arranged on the frame;
the first transmission component and the second transmission component are connected with the first lifting rod and the second lifting rod and drive the first lifting rod and the second lifting rod to do lifting motion along the vertical direction;
the first power part is connected with the first transmission part and the second transmission part through a first rotating shaft respectively, and the first transmission part transmits power to the first transmission part and the second transmission part through the first transmission shaft, and synchronously drives the first transmission part and the second transmission part to perform lifting motion, so that the first lifting rod and the second lifting rod are driven to perform lifting motion synchronously.
4. The automatic lifting mechanism of claim 3, wherein the second stage lifting device comprises:
the first lifting plate and the second lifting plate are symmetrically arranged on the frame, the upper ends of the first lifting plate and the second lifting plate are connected with the first lifting rod and the second lifting rod, and the lower ends of the first lifting plate and the second lifting plate are connected with the frame;
the third transmission component and the fourth transmission component are respectively connected with the lower ends of the first lifting plate and the second lifting plate and drive the first lifting plate and the second lifting plate to do lifting motion along the vertical direction;
and the second power part is respectively connected with the third transmission part and the fourth transmission part through a second rotating shaft, and transmits power to the third transmission part and the fourth transmission part through the second transmission shaft, so that the third transmission part and the fourth transmission part are synchronously driven to perform lifting motion, and the first lifting plate and the second lifting plate are driven to perform lifting motion synchronously.
5. The automatic lifting mechanism of claim 4, wherein the tertiary lifting device comprises:
the third lifting plate and the fourth lifting plate are respectively arranged on the inner sides of the first lifting plate and the second lifting plate;
the fifth transmission component and the sixth transmission component are respectively arranged on the first lifting plate and the second lifting plate and are respectively connected with the third lifting plate and the fourth lifting plate to drive the third lifting plate and the fourth lifting plate to do lifting motion along the vertical direction;
and the third power part is respectively connected with the fifth transmission part and the sixth transmission part through a third rotating shaft, and transmits power to the fifth transmission part and the sixth transmission part through the third transmission shaft, so that the fifth transmission part and the sixth transmission part are synchronously driven to perform lifting motion, and the third lifting plate and the fourth lifting plate are driven to perform lifting motion synchronously.
6. The automatic lifting mechanism of claim 5, wherein the left arm is connected to the third lifter plate and the right arm is connected to the fourth lifter plate; the left arm and the right arm respectively realize front and back telescopic motion through a fourth power part, a fifth power part driving screw rod and a sliding rail sliding block, the front and back telescopic distance of the left arm and the right arm can be independently controlled, and front and back positions and angles can be adjusted through the difference of the front and back telescopic distances of the left arm and the right arm.
7. The automatic lifting mechanism of claim 6, wherein the fourth stage lifting device comprises:
one end of the plate-shaped component is fixed at the tail end of the left arm through a hinge joint, and the other end of the plate-shaped component is fixed at the tail end of the right arm through a sliding and rotating integrated pair, so that the plate-shaped component can perform front and back telescopic motion along with the left arm and the right arm; a sliding plate is arranged on the plate-shaped component;
the seventh transmission component is arranged on the plate-shaped component and is connected with the sliding plate to drive the sliding plate to move up and down along the length direction of the plate-shaped component;
and the sixth power component drives the seventh transmission component to move up and down.
8. The automatic lifting mechanism of claim 7, wherein the traverse device comprises:
the horizontal moving plate is arranged on the sliding plate;
the eighth transmission component is arranged on the sliding plate and connected with the horizontal moving plate to drive the horizontal moving plate to move along the horizontal direction of the sliding plate;
and the seventh power component drives the eighth transmission component to do horizontal linear motion.
9. The automatic lifting mechanism according to any one of claims 1 to 8, wherein the frame is a pentahedral structure with a hollowed-out interior; the pentahedral structure has two left and right risers that are symmetrical about a central plane.
10. The automatic lifting mechanism according to claim 9, characterized in that the bottom of the pentahedral structure is fixed to the support platform by means of threaded fastening.
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| CN202011105019.4A CN112239183B (en) | 2020-10-15 | 2020-10-15 | Automatic lifting mechanism |
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| CN202011105019.4A CN112239183B (en) | 2020-10-15 | 2020-10-15 | Automatic lifting mechanism |
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| CN112239183B CN112239183B (en) | 2022-02-11 |
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Cited By (1)
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|---|---|---|---|---|
| CN112012450A (en) * | 2020-09-18 | 2020-12-01 | 上海蔚建科技有限公司 | Automatic plastering machine |
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