CN113800443A - Self-adaptive leveling lifting operation platform - Google Patents
Self-adaptive leveling lifting operation platform Download PDFInfo
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- CN113800443A CN113800443A CN202111091462.5A CN202111091462A CN113800443A CN 113800443 A CN113800443 A CN 113800443A CN 202111091462 A CN202111091462 A CN 202111091462A CN 113800443 A CN113800443 A CN 113800443A
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- Prior art keywords
- leveling
- frame
- rack
- attitude
- platform
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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
-
- 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
Abstract
The invention discloses a self-adaptive leveling lifting operation platform, which comprises a rack and an operation platform, wherein a power travelling mechanism is arranged at the lower part of the rack, the self-adaptive leveling lifting operation platform also comprises a platform inclination angle detection device, the platform inclination angle detection device is connected with an attitude leveling control system, an attitude leveling mechanism is arranged at the upper part of the rack, the operation platform is arranged on the attitude leveling mechanism in a lifting way, and the attitude leveling control system is connected with and controls the attitude leveling mechanism. The work platform is automatically leveled, so that the work platform can be automatically leveled according to the change of the terrain gradient, and the work safety and stability are improved.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a self-adaptive leveling lifting operation platform applied to hilly and mountainous regions.
Background
The planting area of fruit trees in hilly and mountain areas of China occupies a large proportion, and a movable lifting operation platform is mostly adopted when the fruit trees are managed or picked in the field. Because hills and mountains have diversified terrains, the ground has irregular fluctuation and a certain gradient, and in order to improve the safety of the machine, the lifting operation platform needs to have a leveling function. At present, most of leveling functions of lifting operation platforms depend on manual operation, accuracy is not high according to visual observation, and when leveling operation is not proper, the platforms can turn over, and life and property safety is affected. Therefore, there is a need to develop a lifting platform capable of automatically leveling according to the change of the terrain slope, so as to improve the safety and stability of the operation.
Disclosure of Invention
The invention aims to provide a lifting operation platform capable of self-adaptively leveling according to the change of terrain gradient.
In order to solve the technical problems, the technical scheme of the invention is as follows: the lifting operation platform capable of achieving self-adaptive leveling comprises a rack and an operation platform, wherein a power walking mechanism is mounted on the lower portion of the rack, the lifting operation platform further comprises a platform inclination angle detection device, the platform inclination angle detection device is connected with an attitude leveling control system, an attitude leveling mechanism is arranged on the upper portion of the rack, the operation platform can be lifted and arranged on the attitude leveling mechanism, and the attitude leveling control system is in connection control with the attitude leveling mechanism.
As preferred technical scheme, gesture leveling mechanism includes vertical leveling mechanism, vertical leveling mechanism includes the vertical leveling frame that the frame upside set up, the front end of vertical leveling frame is provided with the front beam, the rear end of vertical leveling frame is provided with the back beam, be provided with safe locking device between frame and front beam and the back beam respectively, be provided with vertical leveling lifting devices between frame and front beam and the back beam respectively, gesture leveling control system connection control vertical leveling lifting devices.
As a preferable technical scheme, the safety locking device comprises a U-shaped groove with an upward notch formed at the front end and the rear end of the frame, a front cross beam is placed in the U-shaped groove at the front end of the frame, a rear cross beam is placed in the U-shaped groove at the rear end of the frame, a front lock pin is slidably arranged at the upper part of the U-shaped groove at the front end of the frame, a front swing arm and a front linkage swing arm are rotatably arranged at the front end of the frame, one end of the front swing arm is hinged with the front lock pin, one end of the front linkage swing arm abuts against the bottom of the front cross beam, a rear lock pin is slidably arranged at the upper part of the U-shaped groove at the rear end of the frame, a rear swing arm and a rear linkage swing arm are rotatably arranged at the rear end of the frame, one end of the rear swing arm is hinged with the rear lock pin, one end of the rear linkage swing arm abuts against the bottom of the rear cross beam, and the other end of the front swing arm is connected with the other end of the rear linkage swing arm through a pull wire, the other end of the rear swing arm is connected with the other end of the front linkage rotating arm through a pull wire, and elastic devices are respectively arranged between the front swing arm and the rack and between the rear swing arm and the rack.
According to a preferable technical scheme, each U-shaped groove is provided with a guide sleeve, and the front lock pin and the rear lock pin are arranged on the U-shaped grooves in a sliding mode through the guide sleeves.
As a preferred technical scheme, the front cross beam and the rear cross beam are respectively and rotatably sleeved with a hoop, and each longitudinal leveling and lifting device is arranged between the corresponding hoop and the frame.
As an optimized technical scheme, the attitude leveling mechanism further comprises a transverse leveling mechanism, a transverse leveling frame is arranged on the longitudinal leveling frame, two ends of the transverse leveling frame are respectively hinged with the longitudinal leveling frame through a transverse leveling supporting shaft, transverse leveling lifting devices are respectively arranged between two sides of the transverse leveling frame and the longitudinal leveling frame, and the attitude leveling control system is in connection control with the transverse leveling lifting devices.
As a preferred technical scheme, the longitudinal leveling lifting device is a longitudinal leveling oil cylinder, and the transverse leveling lifting device is a transverse leveling oil cylinder.
According to the preferable technical scheme, the attitude leveling control system comprises a controller, the platform inclination angle detection device is connected with the controller, the controller is connected with a proportional electromagnetic valve, the proportional electromagnetic valve is connected with the longitudinal leveling oil cylinder and the transverse leveling oil cylinder, and the controller is connected with a vehicle-mounted management system.
According to the preferable technical scheme, the operation platform is arranged on the posture leveling mechanism in a lifting mode through the lifting mechanism, a driving control system is arranged on the operation platform, and the driving control system is connected with and controls the power travelling mechanism and the lifting mechanism.
The self-adaptive leveling lifting operation platform comprises a frame and an operation platform, wherein a power walking mechanism is mounted on the lower portion of the frame, the self-adaptive leveling lifting operation platform further comprises a platform inclination angle detection device, the platform inclination angle detection device is connected with an attitude leveling control system, an attitude leveling mechanism is arranged on the upper portion of the frame, the operation platform is arranged on the attitude leveling mechanism in a lifting mode, and the attitude leveling control system is connected and controlled with the attitude leveling mechanism. The inclination angle detection device of the platform is used for acquiring the inclination angle signal of the operation platform and transmitting the inclination angle signal to the attitude leveling control system in real time, the attitude leveling control system firstly judges whether the inclination angle value is within a preset leveling range, if the inclination angle value is within the preset leveling range, the attitude leveling control system outputs a control signal according to a set control strategy and controls the attitude leveling mechanism to work to adjust the inclination angle value of the operation platform to be within an allowable value range, so that the automatic leveling of the operation platform is realized.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural view of the longitudinal leveling mechanism of the present invention;
FIG. 3 is a front view of the invention in longitudinal leveling on a downhill surface;
FIG. 4 is a front view of the invention for longitudinal leveling of an uphill surface;
FIG. 5 is a schematic view of the lateral leveling of the present invention on an inclined ground;
fig. 6 is a schematic diagram of an attitude leveling control system of the present invention.
In the figure: 1-a walking system; 2-a power system; 3-a frame; 4-horizontal leveling cylinder; 5-longitudinally leveling the frame; 6-transversely leveling the frame; 7-a lifting mechanism; 8, operating the platform; 9-driving control system; 10-attitude leveling control system; 11-transverse leveling support shaft; 12-U-shaped groove; 13-front linkage rotating arm; 131-rear linkage rotating arm; 14-a front latch; 141-rear locking pin; 15-front swing arm; 151-rear swing arm; 16-a pull line; 17-a spring; 18-longitudinal leveling cylinder; 19-a front cross beam; 191-rear cross beam.
Detailed Description
Exemplary embodiments according to the present invention are described in detail below with reference to the accompanying drawings. Here, it is to be noted that, in the drawings, the same reference numerals are given to the constituent elements having substantially the same structure and function, and redundant description about the substantially same constituent elements is omitted in order to make the description more concise.
As shown in fig. 1, a lift work platform of self-adaptation leveling, including frame 3 and work platform 8, power running gear is installed to 3 lower parts of frame, still includes platform inclination detection device, platform inclination detection device is connected with gesture leveling control system 10, 3 upper portions of frame are provided with gesture leveling mechanism, the setting of work platform 8 liftable is in on the gesture leveling mechanism, work platform 8 can be in through the setting of elevating system 7 liftable on the gesture leveling mechanism, elevating system 7 can adopt hydraulic cylinder driven scissor lifting mechanism 7 etc., gesture leveling control system 10 connection control gesture leveling mechanism. The power traveling mechanism comprises a traveling system 1 and a power system 2, wherein the traveling system 1 comprises wheels, a steering system, a braking system and the like, the power system 2 comprises an engine or a motor, a transmission system and the like, and the power system 2 can also adopt a hydraulic motor driven by a hydraulic system; a driving control system 9 is arranged on the working platform 8, and the driving control system 9 is connected with and controls the walking system 1, the power system 2 and the lifting mechanism 7; the traveling system 1, the power system 2, the lifting mechanism 7 and the driving control system 9 are all common knowledge of those skilled in the art and will not be described herein.
As shown in fig. 1 and 2, gesture leveling mechanism includes vertical leveling mechanism, vertical leveling mechanism includes vertical leveling frame 5 that 3 upsides of frame set up, the front end of vertical leveling frame 5 is provided with front beam 19, the rear end of vertical leveling frame 5 is provided with back crossbeam 191, be provided with safe locking device between frame 3 and front beam 19 and the back crossbeam 191 respectively, be provided with vertical leveling lifting devices between frame 3 and front beam 19 and the back crossbeam 191 respectively, gesture leveling control system 10 connection control vertical leveling lifting devices. The safety locking device comprises a U-shaped groove 12 with an upward notch, which is respectively arranged at the front end and the rear end of the frame 3, the U-shaped groove 12 can be welded with the frame 3, the front beam 19 is placed in a U-shaped groove 12 at the front end of the frame 3, the rear beam 191 is placed in a U-shaped groove 12 at the rear end of the frame 3, the front beam 19 and the rear beam 191 thus form a semi-articulated joint with the U-shaped channel 12 when inside the U-shaped channel 12, a front lock pin 14 is arranged on the upper part of the U-shaped groove 12 at the front end of the frame 3 in a sliding way, a front swing arm 15 and a front linkage rotating arm 13 are arranged at the front end of the frame 3 in a rotating way, the front swing arm 15 and the front linkage rotating arm 13 are both arranged on the frame 3 in a rotating way through a rotating shaft, one end of the front swing arm 15 is hinged with the front lock pin 14, one end of the front linkage rotating arm 13 is abutted against the bottom of the front cross beam 19, and the upper part of the U-shaped groove 12 at the rear end of the rack 3 is provided with a rear lock pin 141 in a sliding manner; the rear end of the rack 3 is rotatably provided with a rear swing arm 151 and a rear linkage rotating arm 131, the rear swing arm 151 and the rear linkage rotating arm 131 are also rotatably mounted on the rack 3 through rotating shafts, one end of the rear swing arm 151 is hinged with the rear lock pin 141, one end of the rear linkage rotating arm 131 abuts against the bottom of the rear cross beam 191, the other end of the front swing arm 15 is connected with the other end of the rear linkage rotating arm 131 through a pull wire 16, the other end of the rear swing arm 151 is connected with the other end of the front linkage rotating arm 13 through a pull wire 16, and the pull wire 16 is mounted on the rack 3 through a guide pipe. Elastic devices are respectively arranged between the front swing arm 15 and the rear swing arm 151 and the frame 3, and the elastic devices can adopt springs 17 to provide the force required by the sliding insertion of the front lock pin 14 and the rear lock pin 141 into the U-shaped groove 12. The two sides of the front end and the rear end of the frame 3 can be respectively provided with the U-shaped groove 12, and the two U-shaped grooves 12 positioned at the same side of the frame 3 and the frame 3 are respectively provided with a safety locking device. Preferably, each U-shaped groove 12 is provided with a guide sleeve, the guide sleeves can be welded on the U-shaped grooves 12, and the front lock pin 14 and the rear lock pin 141 are slidably arranged on the U-shaped grooves 12 through the guide sleeves, so that the stability of the front lock pin 14 and the rear lock pin 141 is improved. And both the front linkage rotating arm 13 and the rear linkage rotating arm 131 can adopt V-shaped arms, one arm of the front linkage rotating arm 13 is abutted against the bottom of the front cross beam 19, and the other arm is connected with the rear swing arm 151. The front cross beam 19 and the rear cross beam 191 are respectively sleeved with a hoop in a rotating mode, each longitudinal leveling lifting device is arranged between the corresponding hoop and the frame 3, and when the longitudinal leveling lifting devices work and lift, the hoops can rotate on the front cross beam 19 or the rear cross beam 191. A pin hole is formed in each U-shaped groove 12, the front lock pin 14 and the rear lock pin 141 are respectively slidably arranged in the pin holes of the corresponding U-shaped groove 12, and the front lock pin 14 and the rear lock pin 141 respectively slidably penetrate through the groove cavity of the corresponding U-shaped groove 12.
As shown in fig. 1 and 5, the posture leveling mechanism further comprises a horizontal leveling mechanism, the horizontal leveling mechanism comprises a horizontal leveling frame 6 arranged on the vertical leveling frame 5, two ends of the horizontal leveling frame 6 are respectively hinged with the vertical leveling frame 5 through a horizontal leveling supporting shaft 11, horizontal leveling lifting devices are respectively arranged between two sides of the horizontal leveling frame 6 and the vertical leveling frame 5, the two sides of the front end and the rear end of the horizontal leveling frame 6 can be respectively provided with the horizontal leveling lifting devices between the vertical leveling frame 5, and the posture leveling control system 10 is connected and controlled to the horizontal leveling lifting devices.
As shown in fig. 1 and 6, the longitudinal leveling lifting device is a longitudinal leveling cylinder 18, and the transverse leveling lifting device is a transverse leveling cylinder 4. The attitude leveling control system 10 comprises a controller, the platform inclination angle detection device is connected with the controller, the controller is connected with a proportional solenoid valve, the proportional solenoid valve is connected with the longitudinal leveling cylinder 18 and the transverse leveling cylinder 4, and the controller is connected with a vehicle-mounted management system. The platform inclination angle detection device can adopt inclination angle sensors including a longitudinal inclination angle sensor and a transverse inclination angle sensor, and can be arranged on the working platform 8. User instruction input such as working mode switching, parameter setting and the like and platform attitude information display can be carried out through the vehicle-mounted management system; the inclination angle sensor collects inclination angle signals of the operation platform 8 and transmits the inclination angle signals to the controller in real time, the controller firstly judges whether each inclination angle value is within a leveling range, if the inclination angle value is within the leveling range, the controller outputs control signals according to a programmed control strategy, the longitudinal leveling oil cylinder 18 or the transverse leveling oil cylinder 4 is controlled to stretch through the proportional solenoid valve, the inclination angle value of the operation platform 8 is adjusted to be within an allowable value range, and automatic leveling of the operation platform 8 is achieved.
As shown in fig. 2, 3 and 4, the present invention performs the attitude leveling of the work platform 8:
the leveling action is not carried out, the longitudinal tilt angle sensor and the transverse tilt angle sensor acquire tilt angle signals of the operation platform 8 and transmit the tilt angle signals to the controller in real time, the controller judges that each tilt angle value is not in a leveling range, the longitudinal leveling oil cylinder 18 and the transverse leveling oil cylinder 4 do not extend out, at the moment, a front cross beam 19 and a rear cross beam 191 of the longitudinal leveling rack 5 are in a U-shaped groove 12 of the rack 3, the freedom degree of upward swinging of the front linkage rotating arm 13 and the rear linkage rotating arm 131 is limited, a stay wire 16 is adjusted, the front lock pin 14 and the rear lock pin 141 are respectively pulled out of the U-shaped groove 12, the two longitudinal leveling oil cylinders 18 are respectively hinged with a hoop on the rack 3 and the front cross beam 19 and a hoop on the rear cross beam 191, and the rack 3 and the longitudinal leveling rack 5 are in a relatively fixed state by utilizing the hydraulic lock function.
Longitudinal leveling action, when the equipment inclines downwards from the front side of a downhill, a longitudinal inclination angle sensor collects inclination angle signals of the operation platform 8 and transmits the inclination angle signals to a controller in real time, the controller judges that a longitudinal inclination angle value is in a leveling range, a longitudinal leveling oil cylinder 18 on the front side of the rack 3 is controlled to extend out through a proportional electromagnetic valve to drive the longitudinal leveling rack 5 to swing around a rear cross beam 191, a front cross beam 19 is separated from a U-shaped groove 12 on the front end of the rack 3, the freedom degree of upward swinging of a front linkage rotating arm 13 is released, a rear swinging arm 151 drives a rear lock pin 141 to slide under the action of a spring 17 and is inserted into the U-shaped groove 12, the rear cross beam 191 is blocked in the U-shaped groove 12 on the rear end of the rack 3 and becomes fully hinged to prevent the rear cross beam 191 from being separated from the U-shaped groove 12, and instability of the operation platform 8 caused by the operation extension of the longitudinal leveling oil cylinder 18 on the rear side of the rack 3 is prevented. On the contrary, when the equipment inclines downwards after ascending, the controller controls the longitudinal leveling cylinder 18 on the rear side of the rack 3 to extend through the proportional solenoid valve to drive the longitudinal leveling rack 5 to swing around the front cross beam 19, the rear cross beam 191 is separated from the U-shaped groove 12 on the front end of the rack 3, the freedom degree of upward swing of the rear linkage rotating arm 131 is released, the front swing arm 15 drives the front lock pin 14 to slide and insert into the U-shaped groove 12 under the action of the spring 17, the front cross beam 19 is blocked in the U-shaped groove 12 on the front end of the rack 3 to be fully hinged so as to prevent the front cross beam 19 from being separated from the U-shaped groove 12, the instability of the operation platform 8 caused by the extension of the longitudinal leveling cylinder 18 on the front side of the rack 3 is prevented, and the longitudinal leveling is realized.
And (3) transverse leveling action, when the equipment is on a transversely inclined ground, a transverse inclination angle sensor acquires an inclination angle signal of the operation platform 8 and transmits the inclination angle signal to the controller in real time, the controller judges that the transverse inclination angle value is within a leveling range, and the transverse leveling oil cylinder 4 is controlled to stretch and retract through a proportional electromagnetic valve, so that the transverse leveling rack 6 swings around a hinge point, and transverse attitude adjustment is realized.
As described above, the embodiments of the present invention have been specifically described above, but the present invention is not limited thereto. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations, or substitutions may be made in accordance with design requirements or other factors while remaining within the scope of the appended claims and their equivalents.
Claims (9)
1. The utility model provides a lift work platform of self-adaptation leveling, includes frame and work platform, the frame lower part is installed power running gear, its characterized in that: the device is characterized by further comprising a platform inclination angle detection device, the platform inclination angle detection device is connected with an attitude leveling control system, an attitude leveling mechanism is arranged on the upper portion of the rack, the operation platform can be arranged on the attitude leveling mechanism in a lifting mode, and the attitude leveling control system is connected and controlled to control the attitude leveling mechanism.
2. A self-leveling elevating work platform as set forth in claim 1 wherein: attitude leveling mechanism includes vertical leveling mechanism, vertical leveling mechanism includes the vertical leveling frame that the frame upside set up, the front end of vertical leveling frame is provided with the front beam, the rear end of vertical leveling frame is provided with the back crossbeam, be provided with safe locking device between frame and front beam and the back crossbeam respectively, be provided with vertical leveling lifting devices between frame and front beam and the back crossbeam respectively, attitude leveling control system connection control vertical leveling lifting devices.
3. A self-leveling elevating work platform as set forth in claim 2 wherein: the safety locking device comprises a U-shaped groove with an upward notch formed in the front end and the rear end of the rack, a front cross beam is placed in the U-shaped groove in the front end of the rack, a rear cross beam is placed in the U-shaped groove in the rear end of the rack, a front lock pin is arranged on the upper portion of the U-shaped groove in the front end of the rack in a sliding manner, a front swing arm and a front linkage rotating arm are rotatably arranged at the front end of the rack, one end of the front swing arm is hinged with the front lock pin, one end of the front linkage rotating arm abuts against the bottom of the front cross beam, a rear lock pin is arranged on the upper portion of the U-shaped groove in the rear end of the rack in a sliding manner, a rear swing arm and a rear linkage rotating arm are rotatably arranged at the rear end of the rack, one end of the rear swing arm is hinged with the rear lock pin, one end of the rear linkage rotating arm abuts against the bottom of the rear cross beam, the other end of the front swing arm is connected with the other end of the rear linkage rotating arm through a pull wire, the other end of the rear swing arm is connected with the other end of the front linkage rotating arm through the pull wire, elastic devices are respectively arranged between the front swing arm and the rack and between the rear swing arm and the rack.
4. A self-leveling elevating work platform as set forth in claim 3 wherein: and guide sleeves are respectively arranged on the U-shaped grooves, and the front lock pin and the rear lock pin are arranged on the U-shaped grooves in a sliding manner through the guide sleeves.
5. A self-leveling elevating work platform as set forth in claim 2 wherein: the front cross beam and the rear cross beam are respectively rotatably sleeved with a hoop, and each longitudinal leveling and lifting device is arranged between the corresponding hoop and the frame.
6. A self-leveling elevating work platform as set forth in claim 2 wherein: attitude leveling mechanism still includes horizontal leveling mechanism, horizontal leveling mechanism includes be provided with horizontal leveling frame in the vertical leveling frame, the both ends of horizontal leveling frame respectively through horizontal leveling back shaft with vertical leveling frame is articulated, be provided with horizontal leveling lifting devices between the both sides of horizontal leveling frame and the vertical leveling frame respectively, attitude leveling control system connection control horizontal leveling lifting devices.
7. A self-leveling elevating work platform as set forth in claim 6 wherein: the longitudinal leveling and lifting device is a longitudinal leveling oil cylinder, and the transverse leveling and lifting device is a transverse leveling oil cylinder.
8. A self-leveling elevating work platform as set forth in claim 7 wherein: the attitude leveling control system comprises a controller, the platform inclination angle detection device is connected with the controller, the controller is connected with a proportional solenoid valve, the proportional solenoid valve is connected with the longitudinal leveling oil cylinder and the transverse leveling oil cylinder, and the controller is connected with a vehicle-mounted management system.
9. An adaptive leveling lift platform as defined in any one of claims 1 to 8 wherein: the operation platform is arranged on the posture leveling mechanism through the lifting mechanism, a driving control system is arranged on the operation platform, and the driving control system is connected and controls the power travelling mechanism and the lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111091462.5A CN113800443A (en) | 2021-09-17 | 2021-09-17 | Self-adaptive leveling lifting operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111091462.5A CN113800443A (en) | 2021-09-17 | 2021-09-17 | Self-adaptive leveling lifting operation platform |
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| Publication Number | Publication Date |
|---|---|
| CN113800443A true CN113800443A (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111091462.5A Pending CN113800443A (en) | 2021-09-17 | 2021-09-17 | Self-adaptive leveling lifting operation platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303998A (en) * | 2022-10-12 | 2022-11-08 | 南通通州意达港口机械有限公司 | Lifting platform |
| CN115771873A (en) * | 2023-02-13 | 2023-03-10 | 德哈哈压缩机江苏有限公司 | Elevating platform with leveling function |
-
2021
- 2021-09-17 CN CN202111091462.5A patent/CN113800443A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303998A (en) * | 2022-10-12 | 2022-11-08 | 南通通州意达港口机械有限公司 | Lifting platform |
| CN115771873A (en) * | 2023-02-13 | 2023-03-10 | 德哈哈压缩机江苏有限公司 | Elevating platform with leveling function |
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