CN112520654A - Leveling hilly and mountainous area orchard mechanized operation platform - Google Patents
Leveling hilly and mountainous area orchard mechanized operation platform Download PDFInfo
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- CN112520654A CN112520654A CN202011295606.4A CN202011295606A CN112520654A CN 112520654 A CN112520654 A CN 112520654A CN 202011295606 A CN202011295606 A CN 202011295606A CN 112520654 A CN112520654 A CN 112520654A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D37/00—Stabilising vehicle bodies without controlling suspension arrangements
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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Abstract
The invention relates to the technical field of agriculture, in particular to an orchard mechanized operation platform capable of being automatically leveled according to terrain. The device comprises a walking mechanism, a chassis, a lifting mechanism, a leveling mechanism, a working platform, a control console and the like; the walking mechanism is divided into two types, the wheel type consists of an axle, wheels, a hydraulic motor and a steering hydraulic cylinder, and the crawler type consists of a crawler belt and a hydraulic motor; the chassis comprises a frame, an engine, a fan, a hydraulic oil tank and a fuel tank; the lifting mechanism is arranged between the chassis and the working platform and is respectively connected with one end of the chassis and one end of the working platform in a hinged mode in a sliding mode, the console is positioned on the platform, and the platform can be expanded; the leveling mechanism comprises a pitching leveling mechanism and a rolling leveling mechanism, the rolling leveling mechanism is arranged between the rear axle and the chassis and is realized by two hydraulic cylinders, and the pitching leveling mechanism is realized by a lifting mechanism. The whole machine of the operation platform is driven in a full hydraulic mode, the wheels can turn in four wheels, the crawler type can turn in place, the turning radius is small, and the mechanized operation efficiency and safety of orchards in hilly and mountainous areas are improved.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to an automatic leveling platform for high-level operation of orchards in hilly and mountainous areas.
Background
China is one of the largest fruit producing countries and consuming countries in the world, the scale of the fruit planting industry is only lower than that of grains and vegetables, and the planting area and the yield of a plurality of fruits are the first place in the world. However, most of the orchards in China are distributed in hilly and mountainous areas, the orchard topography is diversified, and land masses fluctuate irregularly and have certain gradients. In vast hilly and mountainous areas, the mechanized development of agriculture and forestry is obviously lagged behind in plain areas, the total amount of agricultural machinery and equipment is small, the structure is unreasonable, the operation level is low, and the main reason is limited by natural conditions and economic level. Orchard operating conditions are special, the mature period of fruits is generally concentrated, and in most cases, workers need to operate at a certain height away from the ground, so that the work is completed in time, and the picking quality of the fruits and the safety of the workers and fruit trees are guaranteed. However, the prior operations of pruning branches, thinning flowers and fruits, bagging fruits, picking fruits and the like at high positions of fruit trees mainly depend on the climbing operation of a herringbone ladder, and the mode has the disadvantages of poor operation comfort, high danger, low production efficiency, high labor intensity and large amount of manpower required for completing the work in time.
Therefore, an orchard operation platform which can be leveled according to gradient and has a certain lifting height, safety and reliability is urgently needed, the orchard operation platform has important significance for improving the orchard mechanization degree and developing local economy, the operation efficiency can be improved, the labor cost is reduced, and the safety of harvesting operators is guaranteed to a certain extent.
Disclosure of Invention
The invention aims to provide an orchard high-level operation platform with four-wheel steering, automatic leveling and other functions aiming at the problems of the existing orchard machine, the platform can be always kept horizontal on a certain inclined road surface to complete operation in an orchard safely and efficiently, and the fear of operators caused by the inclination angle of the platform is avoided.
In order to solve the problems proposed above, the technical scheme adopted by the invention is as follows:
the mechanized operation platform of hills and mountainous area orchard that can self-leveling mainly includes: the device comprises a walking mechanism, a chassis, a lifting mechanism, a leveling mechanism, a working platform, a control console and the like;
the method is characterized in that:
the leveling mechanism of the mechanized operation platform of the orchard in the hilly and mountainous areas comprises longitudinal leveling and transverse leveling; the longitudinal leveling comprises a sliding groove (31), a pulley (32), an upper connecting plate (33), a pitching arm (34), a pitching hydraulic cylinder (35) and a lower connecting plate (54); the lower connecting plate (54) and the short fork frame (53) are welded together, the lower part of the pitching hydraulic cylinder (35) is connected with the lower connecting plate in a hinged mode, the upper part of the pitching hydraulic cylinder is connected with the upper connecting plate (33) in a hinged mode, the upper connecting plate is welded on the pitching arm (34), the lower end of the pitching arm is hinged with the short fork frame (53), the upper end of the pitching arm is connected with the pulley (32) in a hinged mode, and the pulley slides in the sliding chute (31);
the transverse leveling device comprises an axle (71), a roll hydraulic cylinder (41), a roll hydraulic cylinder upper connecting plate (42) and a roll hydraulic cylinder lower connecting plate (43); the upper part of the roll hydraulic cylinder (41) is connected with the upper roll hydraulic cylinder connecting plate (42) in a hinged mode, the lower part of the roll hydraulic cylinder (41) is connected with the lower roll hydraulic cylinder connecting plate (42) in a hinged mode, and the lower roll hydraulic cylinder connecting plate is connected with an axle (71) through welding. Wherein the tracked lateral leveling comprises an upper frame (110), a lower frame (120) and a lateral-tipping hydraulic cylinder (130); the upper end and the lower end of the side-tipping hydraulic cylinder (130) are respectively hinged on the upper rack (110) and the lower rack (120), and the rack can rotate around the hinged point due to the expansion and contraction of the hydraulic cylinder;
the working platform of the mechanized working platform for the hilly and mountainous orchard comprises a main platform (21), a left expansion platform (22) and a right expansion platform (23); an expansion hydraulic cylinder (24) is arranged below the main platform, one end of the expansion hydraulic cylinder is hinged to the main platform, the other end of the expansion hydraulic cylinder is connected to the expansion platforms (22) and (23), a square guide rail (26) and an expansion platform slide rail (27) are arranged below the expansion platforms, the expansion platform slide rail is arranged in the square guide rail, and the expansion and recovery of the expansion platforms are controlled through a control console (10); the working platform is characterized in that the working range of the working platform is enlarged, mechanical operation can be performed in different orchards and different fruit tree row spacings, and the adaptability of the platform is improved;
the mechanized operation platform for the orchard in the hilly and mountainous areas is characterized in that in order to achieve automatic leveling, an inclination angle sensor (81) is installed on the operation platform to measure the inclination angle of the platform, and an automatic leveling control system controls a pitching hydraulic cylinder and a side-tipping hydraulic cylinder to stretch and adjust the inclination angle of the platform according to collected signals;
the running gear of mechanized operation platform in hilly and mountainous orchard include: an axle (71), a hydraulic motor (72), wheels (73), a steering hydraulic cylinder (74), a tie rod (75), and a hydraulic motor bushing (76); the axle (71) is connected with the chassis (60) in an articulated mode and welded with a steering shaft sleeve (78), a steering shaft (77) is arranged in a front steering shaft sleeve, a hydraulic motor bush (76) is articulated with the lower part of the steering shaft, a hydraulic motor (72) is arranged in a hydraulic motor bush and connected with front wheels through bolts, one end of a steering connecting plate (79) is arranged between the hydraulic motor bush and the steering shaft sleeve, the upper part of the other end of the steering connecting plate is connected with a tie rod (75) in an articulated mode, the lower part of the steering connecting plate is articulated with one end of a steering hydraulic cylinder (74), and the other end of the steering hydraulic cylinder is articulated with the axle. The crawler type travelling mechanism comprises a crawler mechanism (150) and a power assembly (140), wherein the crawler mechanism and the lower frame (120) are welded together, the power assembly (140) provides power, and the crawler mechanism is driven by a hydraulic motor.
Compared with the prior art, the invention has the beneficial effects that:
1. the pitching leveling mechanism is one part of the scissor lifting mechanism part, an additional leveling mechanism is not needed, the space is saved, and the leveling angle range can be changed along with the lifting height of the platform;
2. when the working platform is in a slope with a certain inclination angle, the inclination angle is measured through the inclination angle sensor, and the automatic leveling system controls the leveling mechanism to enable the working platform to be always in a horizontal state, so that the safety and the stability of the orchard platform during operation are improved, and the safety risk of workers is reduced;
3. by controlling the extension and retraction of the lifting hydraulic cylinder, the free change of the height of the working platform within a certain range can be realized, fruit growers can work at different heights of fruit trees conveniently, and the operation requirements of different fruit trees in different orchards are met
4. The invention adopts four-wheel steering or crawler wheels, is flexible in steering, can meet the narrow space condition of an orchard, and improves the passing capacity
5. The operating system adopts the electromechanical liquid integration technology, the structural layout is reasonable, and the operation is safe and reliable
Drawings
FIG. 1 is a front view of the present invention for the top leveling of a platform on inclined ground
FIG. 2 is a front view of the present invention in elevation leveling of a sloping floor platform
FIG. 3 is a rear view of the invention in lateral leveling of inclined ground
FIG. 4 is a schematic view of the front travel mechanism of the present invention
FIG. 5 is a top view of the work platform of the present invention
FIG. 6 is a rear view of a track type work platform of the present invention
FIG. 7 is a left side view of a track type work platform of the present invention
FIG. 8 is an overall structural view of the present invention
Description of reference numerals: 10 is a console, 11 is a steering wheel, 12 is a display screen, 13 is a control button, 20 is a platform, 21 is a main platform, 22 is an expansion platform, 23 is a right expansion platform, 24 is an expansion hydraulic cylinder, 25 is a guardrail, 26 is a square slide rail, 27 is an expansion platform slide rail, 31 is a chute, 32 is a pulley, 33 is an upper connecting plate, 34 is a pitching arm, 35 is a pitching hydraulic cylinder, 41 is a rolling hydraulic cylinder, 42 is a rolling hydraulic cylinder upper connecting plate, 43 is a rolling hydraulic cylinder lower connecting plate, 51 is a lifting hydraulic cylinder, 52 is a long scissor bracket, 53 is a short scissor bracket, 54 is a lower connecting plate, 60 is a chassis, 71 is an axle, 72 is a hydraulic motor, 73 is a wheel, 74 is a steering hydraulic cylinder, 75 is a steering tie rod, 76 is a motor bush, 77 is a steering shaft, 78 is a steering shaft sleeve, 79 is a steering connecting plate, 81 is an inclination angle sensor, 110 is an upper frame, 120 is a lower frame, 130 is a roll hydraulic cylinder, 140 is a power integration, 150 is a crawler.
The specific implementation mode is as follows:
to facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 and 2, the lifting mechanism and the longitudinal leveling mechanism of the present invention include a chute (31), a pulley (32), an upper connecting plate (33), a pitching arm (34), a pitching hydraulic cylinder (35) and a lower connecting plate (54).
The lower portion of the pitching arm (34) is hinged with the short fork shearing frame (53), the upper portion of the pitching arm is hinged with the pulley (32), the pitching arm rotates around the hinged position of the short fork shearing frame by controlling the extension and the shortening of the pitching hydraulic cylinder (35) and drives the upper pulley to slide in the sliding groove (31), the highest point of the upper portion of the pitching arm and the highest point of the upper portion of the long fork shearing frame (52) form a height difference, and the platform can incline at a certain angle, so that the purpose of longitudinally leveling the working platform is achieved.
The lifting mechanism comprises: a lifting hydraulic cylinder (51), a long fork frame (52) and a short fork frame (52); the lower part of the short fork shearing frame is connected with the chassis in a hinged mode, the upper part of the short fork shearing frame is connected with the pitching arm in a hinged mode, the upper part of the long fork shearing frame is connected with the platform (20) in a hinged mode, the lower part of the long fork shearing frame is hinged with the pulley, the pulley is moved in the sliding groove, the middle part of the long fork shearing frame is hinged with the middle part of the short fork shearing frame, and the lower part of the upper part of the lifting hydraulic cylinder (. When the pitching arm (34) is parallel to the short scissor frame, the length of the pitching hydraulic cylinder (35) is kept unchanged, and at the moment, the extension or the contraction of the lifting hydraulic cylinder (51) is controlled to realize the free adjustment of the height of the working platform.
Referring to fig. 3, the transverse leveling mechanism of the present invention comprises an axle (71), a roll hydraulic cylinder (41), a roll hydraulic cylinder upper connecting plate (42) and a roll hydraulic cylinder lower connecting plate (43); the middle part of the axle (71) is hinged with the chassis (60), the two lateral tilting hydraulic cylinders (41) are arranged at two sides of the hinged point, the upper parts of the two lateral tilting hydraulic cylinders are hinged with the upper connecting plate (42) of the lateral tilting hydraulic cylinders, and the lower parts of the two lateral tilting hydraulic cylinders are hinged with the lower connecting plate (43) of the lateral tilting hydraulic cylinders. One side of each of the two side-tipping hydraulic cylinders extends and shortens, and the travelling mechanism and the chassis rotate for a certain angle around a hinge point, so that the aim of transverse leveling is fulfilled at one time. The working principle of the crawler-type leveling mechanism is the same as that of the crawler-type leveling mechanism.
FIG. 4 is a schematic view of a forward travel mechanism including an axle (71), hydraulic motor (72), wheels (73), steering cylinder (74), tie rod (75), hydraulic motor bushing (76), steering shaft (77), steering sleeve (78), steering link plate (79); the axle (71) is connected with the chassis (60) in an articulated mode and welded with a steering shaft sleeve (78), a steering shaft (77) is arranged in a front steering shaft sleeve, a hydraulic motor bush (76) is articulated with the lower part of the steering shaft, a hydraulic motor (72) is arranged in a hydraulic motor bush and connected with front wheels through bolts, one end of a steering connecting plate (79) is arranged between the hydraulic motor bush and the steering shaft sleeve, the upper part of the other end of the steering connecting plate is connected with a tie rod (75) in an articulated mode, the lower part of the steering connecting plate is articulated with one end of a steering hydraulic cylinder (74), and the other end of the steering hydraulic cylinder is articulated with the axle. The hydraulic motor drives the wheels to move; the extension and shortening of the steering hydraulic cylinder drive a steering shaft (77) at one side to rotate in a steering shaft sleeve (78) through a steering connecting plate, a hydraulic motor bush and wheels also rotate, and the steering shaft and the wheels at the other side rotate along with the steering shaft and the wheels under the action of a steering tie rod (75) to complete a steering function. The rear traveling mechanism is the same as the above. The working principle of the crawler-type travelling mechanism is that power is provided for the power integration hydraulic motor, and the hydraulic motor is connected with the crawler driving wheel to enable the crawler to travel.
Referring to fig. 5, the top view of the working platform of the present invention includes a main platform (21), a left expansion platform (22), a right expansion platform (23), an expansion hydraulic cylinder (24), a guardrail (25), a square slide rail (26), an expansion platform slide rail (27), and an inclination sensor (81); an expansion hydraulic cylinder (24) is installed below the main platform, one end of the expansion hydraulic cylinder is hinged to the main platform, the other end of the expansion hydraulic cylinder is connected to expansion platforms (22) and (23) in an intersecting mode, a square guide rail (26) and an expansion platform slide rail (27) are installed below the expansion platforms, and the expansion platform slide rail is arranged inside the square guide rail. The extension of the extension hydraulic cylinder is controlled, the extension platform slide rail slides in the square slide rail, and the extension platforms on the two sides are unfolded, so that the working range of the platform is expanded, and the application capability of different orchards is improved.
The inclination angle sensor (81) measures the inclination angle of the working platform in real time, the automatic leveling control system makes a decision according to the collected angle signal, and the PID control electromagnetic valve drives the leveling hydraulic cylinder to stretch and adjust the relative angle between the working platform and the horizontal plane.
The working part comprises an engine, a gear pump, an electromagnetic valve group, a lifting hydraulic cylinder, a side-tipping hydraulic cylinder, a pitching hydraulic cylinder, an expansion hydraulic cylinder, a hydraulic motor and a steering hydraulic cylinder. The oil inlet of the gear pump is connected with the oil outlet of the hydraulic oil tank, the oil outlet of the gear pump is connected with the electromagnetic valve group, the oil outlet of the electromagnetic valve group is connected with each hydraulic cylinder and the oil inlet of the hydraulic motor, the oil outlets of each hydraulic cylinder and the hydraulic motor are connected with the oil return port of the electromagnetic valve group and then connected to the hydraulic oil tank, and a complete loop is formed. The engine provides power to drive the gear pump to move, hydraulic oil is sent into the electromagnetic valve group, and each hydraulic cylinder and each hydraulic motor can be controlled by controlling the opening and closing state of the electromagnetic valve group.
The electromagnetic valve group uses a three-position four-way proportional valve, the state of the electromagnetic valve is controlled by electric signals of a steering wheel and an automatic control system, the purposes of extending, keeping and shortening a lifting hydraulic cylinder, a pitching hydraulic cylinder, a tilting hydraulic cylinder, an expanding hydraulic cylinder and a steering hydraulic cylinder are achieved, the state of the electromagnetic valve is controlled by electric signals of a control button, and the purposes of forward rotation, static rotation and reverse rotation of a hydraulic motor are achieved.
The invention has the advantages of safe and reliable performance, flexible platform leveling and steering, and the like. When tasks such as pruning, flower and fruit thinning, bagging, picking and transporting are carried out on orchards with uneven ground in hilly and mountainous areas, the automatic leveling function of the platform can improve the working efficiency and ensure the safety of workers; four-wheel steering has the characteristics that turning radius is small, can easily turn to in the narrow place in orchard, has improved the trafficability characteristic of platform. The invention can improve the working efficiency, reduce the labor cost and reduce the danger of workers when being applied to the orchard.
The above description is only a preferred embodiment of the present invention, and not intended to be exhaustive or to limit the present invention to the precise form disclosed, and any modifications, equivalents, improvements, simplifications, combinations, and equivalents thereof, which do not depart from the spirit and principle of the present invention, are intended to be included within the scope of the present invention.
Claims (1)
1. The utility model provides a can automatic leveling hills mountain area orchard mechanized operation platform, includes: the device comprises a travelling mechanism, a chassis, a lifting mechanism, a leveling mechanism, a working platform and a control console; the running mechanism comprises a wheel type running mechanism and a crawler type running mechanism;
the method is characterized in that:
the leveling mechanism comprises a longitudinal leveling mechanism and a transverse leveling mechanism; the longitudinal leveling comprises a sliding groove (31), a pulley (32), an upper connecting plate (33), a pitching arm (34), a pitching hydraulic cylinder (35) and a lower connecting plate (54); the lower connecting plate (54) and the short fork frame (53) are welded together, the lower part of the pitching hydraulic cylinder (35) is connected with the lower connecting plate in a hinged mode, the upper part of the pitching hydraulic cylinder is connected with the upper connecting plate (33) in a hinged mode, the upper connecting plate is welded on the pitching arm (34), the lower end of the pitching arm is hinged with the short fork frame (53), the upper end of the pitching arm is connected with the pulley (32) in a hinged mode, and the pulley slides in the sliding chute (31);
the transverse leveling device comprises an axle (71), a roll hydraulic cylinder (41), a roll hydraulic cylinder upper connecting plate (42) and a roll hydraulic cylinder lower connecting plate (43); the upper part of the roll hydraulic cylinder (41) is connected with an upper roll hydraulic cylinder connecting plate (42) in a hinged mode, the lower part of the roll hydraulic cylinder (41) is connected with a lower roll hydraulic cylinder connecting plate (43) in a hinged mode, and the lower roll hydraulic cylinder connecting plate is connected with an axle (71) together in a welded mode; wherein the tracked lateral leveling comprises an upper frame (110), a lower frame (120) and a lateral-tipping hydraulic cylinder (130); the upper end and the lower end of the side-tipping hydraulic cylinder (130) are respectively hinged on the upper rack (110) and the lower rack (120), and the rack can rotate around the hinged point due to the expansion and contraction of the hydraulic cylinder;
the working platform comprises a main platform (21), a left expansion platform (22) and a right expansion platform (23); an expansion hydraulic cylinder (24) is arranged below the main platform, one end of the expansion hydraulic cylinder is hinged to the main platform, the other end of the expansion hydraulic cylinder is connected to the expansion platforms (22, 23), a square guide rail (26) and an expansion platform slide rail (27) are arranged below the expansion platforms, the expansion platform slide rail is arranged in the square guide rail, and the expansion and recovery of the expansion platforms are controlled through a control console (10); the working platform is characterized in that the working range of the working platform is enlarged, mechanical operation can be performed in different orchards and different fruit tree row spacings, and the adaptability of the platform is improved;
the working platform is provided with an inclination angle sensor (81) for measuring the inclination angle of the platform, and the automatic leveling control system controls the pitching hydraulic cylinder and the tilting hydraulic cylinder to telescopically adjust the inclination angle of the platform according to the acquired signals;
the wheel type walking mechanism comprises: an axle (71), wheels (73), a steering hydraulic cylinder (74), and a hydraulic motor (72); the axle (71) is connected with the chassis (60) in a hinged mode and welded with a steering shaft sleeve (78), a steering shaft (77) is arranged in a front steering shaft sleeve, a hydraulic motor bush (76) is hinged with the lower part of the steering shaft, a hydraulic motor (72) is arranged in a hydraulic motor bush and connected with wheels through bolts, one end of a steering connecting plate (79) is arranged between the hydraulic motor bush and the steering shaft sleeve, the upper part of the other end of the steering connecting plate is connected with a tie rod (75) in a hinged mode, the lower part of the steering connecting plate is hinged with one end of a steering hydraulic cylinder (74), and the other end of the steering hydraulic cylinder is hinged on the axle;
the crawler type travelling mechanism comprises a crawler mechanism (150) and a power assembly (140), wherein the crawler mechanism and the lower frame (120) are welded together, the power assembly (140) provides power, and the crawler mechanism is driven by a hydraulic motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011295606.4A CN112520654A (en) | 2020-11-18 | 2020-11-18 | Leveling hilly and mountainous area orchard mechanized operation platform |
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| CN202011295606.4A CN112520654A (en) | 2020-11-18 | 2020-11-18 | Leveling hilly and mountainous area orchard mechanized operation platform |
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| CN113073833A (en) * | 2021-04-09 | 2021-07-06 | 河南润禾建筑工程有限公司 | Support for civil engineering |
| CN113277446A (en) * | 2021-05-08 | 2021-08-20 | 太原矿机智能装备制造有限公司 | Automatic leveling system for battery platform of mine ground rail transportation equipment |
| CN113292022A (en) * | 2021-06-29 | 2021-08-24 | 河北中农博远农业装备有限公司 | Orchard intelligent leveling high-level operation platform |
| CN113336151A (en) * | 2021-06-29 | 2021-09-03 | 河北中农博远农业装备有限公司 | System and method for leveling platform of working machine |
| CN115072633A (en) * | 2022-07-13 | 2022-09-20 | 广东电网有限责任公司 | Aerial work auxiliary platform |
| CN115303998A (en) * | 2022-10-12 | 2022-11-08 | 南通通州意达港口机械有限公司 | Lifting platform |
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| CN113277446B (en) * | 2021-05-08 | 2024-02-06 | 太原矿机电气股份有限公司 | Automatic leveling system for battery platform of mining ground rail transportation equipment |
| CN113292022A (en) * | 2021-06-29 | 2021-08-24 | 河北中农博远农业装备有限公司 | Orchard intelligent leveling high-level operation platform |
| CN113336151A (en) * | 2021-06-29 | 2021-09-03 | 河北中农博远农业装备有限公司 | System and method for leveling platform of working machine |
| CN115072633A (en) * | 2022-07-13 | 2022-09-20 | 广东电网有限责任公司 | Aerial work auxiliary platform |
| CN115303998A (en) * | 2022-10-12 | 2022-11-08 | 南通通州意达港口机械有限公司 | Lifting platform |
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Application publication date: 20210319 |