CN111316816A

CN111316816A - Self-propelled picking platform

Info

Publication number: CN111316816A
Application number: CN202010154980.6A
Authority: CN
Inventors: 秦海建; 李洪良; 滕树升
Original assignee: Weifang Wallin Machinery Equipment Co ltd
Current assignee: Weifang Wallin Machinery Equipment Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-06-23

Abstract

The invention provides a self-propelled picking platform, which is characterized in that: comprises a frame, a walking mechanism, a lifting device, a telescopic platform and a control system; the lifting device comprises at least three lifting execution pieces, the upper ends of the lifting execution pieces are movably connected with the platform, the lower ends of the lifting execution pieces are movably connected with the rack, at least two lifting execution pieces are arranged in parallel and are arranged in a cross mode with the rest lifting execution pieces, and the rest lifting execution pieces are arranged in parallel. The invention has the advantages that: the lifting device is improved, so that the lifting device has the function of inclination at the same time of lifting, and can conveniently transport and load goods; the platform is stable in extension and retraction, simple in structure and convenient for mechanical production; thirdly, the frame is stable, the structure is simple, and the mechanical production is convenient; fourthly, the control device is simple in pipeline, walking and lifting are controlled through a manual control valve, the cost of the control system is reduced, and operation and maintenance are facilitated.

Description

Self-propelled picking platform

Technical Field

The invention relates to an orchard picking instrument.

In particular to a self-propelled picking platform.

Background

When fruits of trees in orchards, forest gardens, farmlands and the like are mature, the fruits need to be picked or the trees need to be trimmed manually. However, the height of the fruit or forest to be picked is not consistent, and conventional methods for solving such problems include manual climbing, ladder erection, use of mechanical aids such as tractors and cranes. However, the climbing or erecting of a ladder requires a high operator's operation and is dangerous, and it is difficult to use a conventional lifting device such as a crane in the above-mentioned low places because of its large size.

Chinese patent with patent number CN201710463041.8 discloses a self-propelled picking platform, which comprises a frame, a scissor fork type lifting mechanism, a working platform, a self-propelled mechanism, a control system and other structures, and is found during specific use:

the lifting device only has the lifting function, and is not easy to assemble and disassemble when the picked fruits and trees are fully loaded.

Because the two axles are fixed at the lower part of the frame through the plate springs, the balance is poor, the two axles are easy to turn over when driving to an uneven road surface, the safety is low, and the driving force is insufficient; the frame is not strong enough, and the ladder arranged on the upper part of the frame is additionally required to be upward.

Fixed mesa and flexible mesa pass through a plurality of gyro wheel point contact sliding connection, flexible unstability, and the gyro wheel is not stand wear and tear, fragile, and the maintenance is wasted time and energy.

The control system has complicated pipeline connection and the machine is easy to damage.

Moreover, the whole machine has a complex structure, and is not convenient for mechanized production and installation.

Disclosure of Invention

The present invention is directed to overcoming the deficiencies of the conventional art described above and providing a self-propelled picking platform that ameliorates one or more of the disadvantages described above.

The aim of the invention is achieved by the following technical measures:

self-propelled harvesting platform, its characterized in that: comprises a frame, a walking mechanism, a lifting device, a telescopic platform and a control system;

the lifting device comprises at least three lifting execution pieces, the upper ends of the lifting execution pieces are movably connected with the platform, the lower ends of the lifting execution pieces are movably connected with the rack, at least two lifting execution pieces are arranged in parallel and are arranged in a cross mode with the rest lifting execution pieces, and the rest lifting execution pieces are arranged in parallel.

According to a specific optimization scheme, a first limiting component for limiting the horizontal movement of the lifting executing piece is arranged on the rack and/or the platform, and the first limiting component is a limiting groove or a limiting plate;

the lifting executive component is sleeved with a telescopic sleeve, the end part of the telescopic sleeve is hinged with the rack and/or the platform through a first hinged shaft, and two sides of each first hinged shaft are respectively provided with a first limiting component;

the telescopic sleeve comprises a lower telescopic joint and an upper telescopic joint, the lower telescopic joint is hinged with the frame, the upper telescopic joint is hinged with the platform, the lower telescopic joint is sleeved with the upper telescopic joint, or a flexible sleeve or a plurality of middle telescopic joints are arranged between the lower telescopic joint and the upper telescopic joint;

the cross section of the telescopic sleeve is rectangular and/or polygonal and/or circular.

The utility model provides a specific optimization scheme, the lift executive is articulated with the telescope tube through first articulated shaft or second articulated shaft, is equipped with the second spacing part of restriction lift executive vertical direction removal orbit on frame and/or the platform, and the spacing part of second includes and moves the spacing groove of orbit matched with arc or the spacing hole of arc with the second articulated shaft.

According to a specific optimization scheme, the number of the lifting execution pieces is three, two lifting execution pieces are arranged in parallel, and the rest lifting execution piece is respectively arranged in a cross mode with the two lifting execution pieces which are arranged in parallel;

or the number of the lifting execution pieces is four, wherein two lifting execution pieces are arranged in parallel, the rest two lifting execution pieces are arranged in parallel, and the four lifting execution pieces are arranged in a pairwise crossed manner;

or the number of the lifting execution pieces is five, wherein two lifting execution pieces are arranged in parallel, the rest three lifting execution pieces are arranged in parallel, and the two parallel lifting execution pieces and the three parallel lifting execution pieces are arranged in a crossed manner;

the lifting executing part is a hydraulic cylinder, an air cylinder, an electric cylinder, a linear motor or an electric push rod.

A specific optimization scheme is that the telescopic platform comprises a fixed platform, a movable platform and a telescopic mechanism, the telescopic mechanism comprises at least one telescopic executing part, the telescopic executing part is respectively connected with the fixed platform and the movable platform, a sliding sleeve assembly is further arranged between the fixed platform and the movable platform, the sliding sleeve assembly comprises a sliding block and a sliding sleeve which are matched, one end of the sliding block is fixedly connected with the movable platform, the other end of the sliding block is sleeved with the sliding sleeve, and the sliding sleeve is fixedly connected with the fixed platform;

the number of the movable platforms is one or at least two, the number of the sliding sleeve assemblies connected with each movable platform is at least two, and the two sliding sleeve assemblies are symmetrically distributed along the movable platforms or a plurality of sliding sleeve assemblies are uniformly distributed along the movable platforms;

the cross section of the sliding block is rectangular, polygonal or circular;

the telescopic executing part is an air cylinder, a hydraulic cylinder, an electric cylinder, a linear motor or an electric push rod;

the total length of the movable platform and one half of the length of the sliding sleeve is less than the length of the sliding block;

or the sliding sleeve is arranged in the middle of the fixed platform, and the total length of the movable platform and one half of the length of the fixed platform is less than the length of the sliding block.

A specific optimization scheme is that a fixed platform comprises a first platform plate, a second platform plate, a third platform plate and a first supporting piece, one end of the first platform plate is fixedly connected with the second platform plate, the other end of the first platform plate is fixedly connected with the third platform plate, the first supporting piece is positioned below the first platform plate, one end of the first supporting piece is fixedly connected with the second platform plate, the other end of the first supporting piece is fixedly connected with the third platform plate, a sliding sleeve is arranged between the first supporting piece and the first platform plate, and the sliding sleeve is fixedly connected with the first supporting piece and/or the first platform plate;

the movable platform, the first platform plate, the second platform plate, the third platform plate and the second supporting piece are integrated plates or integrally bent plates, the first supporting piece is an integrated rod or an integrally bent rod, and the front side plate and/or the rear side plate are integrally bent plates;

the second platform plate and/or the third platform plate are/is provided with first support part connecting position marks, and the second platform plate and/or the third platform plate are/is provided with pedal holes or pedal grooves or pedal bulges.

According to a specific optimization scheme, a frame comprises a front side plate, a rear side plate and two frame beams, wherein one end of each frame beam is fixedly connected with the front side plate, the other end of each frame beam is fixedly connected with the rear side plate, the number of the frame beams is two, and the two frame beams are symmetrically arranged;

the frame roof beam lower part is equipped with the transaxle mounting groove, and transaxle mounting groove below is equipped with the rupture plate, and fixed connection can be dismantled with the frame roof beam to the rupture plate, is equipped with the connecting seat on the driving axle housing, and fixed connection can be dismantled with the frame roof beam to the connecting seat.

According to a specific optimization scheme, the vehicle frame beams comprise a first vehicle frame beam, a second vehicle frame beam and a third vehicle frame beam, the lower side of the first vehicle frame beam is respectively connected with the second vehicle frame beam and the third vehicle frame beam, and the drive axle mounting groove is formed among the first vehicle frame beam, the second vehicle frame beam, the third vehicle frame beam and the bumper plate;

the frame further comprises a connecting plate, the upper side of the connecting plate is detachably and fixedly connected with the first frame beam, the lower side of the connecting plate is detachably and fixedly connected with the connecting seat, one end of the connecting plate is in contact connection with the second frame beam, and the other end of the connecting plate is in contact connection with the third frame beam;

a follow-up axle mounting groove is arranged below the first vehicle frame beam, and the total length of the second vehicle frame beam, the third vehicle frame beam and the follow-up axle mounting groove is less than or equal to the length of the first vehicle frame beam;

the front side plate and/or the rear side plate are/is provided with a frame beam connecting position mark;

the front side plate and/or the rear side plate are/is provided with pedal holes or pedal grooves or pedal bulges.

A specific optimization scheme is characterized in that a control system comprises an oil tank, the oil tank is communicated with a hydraulic pump, a liquid outlet of the hydraulic pump is communicated with a full-hydraulic steering gear, a liquid outlet of the full-hydraulic steering gear is communicated with a multi-way valve, a liquid outlet of the multi-way valve is communicated with the oil tank, an overflow valve is arranged between the hydraulic pump and the full-hydraulic steering gear, the full-hydraulic steering gear is communicated with a steering mechanism, and the multi-way valve is respectively communicated with a lifting mechanism;

the walking mechanism comprises walking executing parts, the walking executing parts are motors, the number of the walking executing parts is one or more, and the walking executing parts are connected with power supply parts;

the walking manual control switch is connected with the walking mechanism;

the steering manual control switch is connected with the steering mechanism;

the telescopic manual control switch is connected with the telescopic mechanism;

the lifting manual control switch is connected with the lifting mechanism.

A specific optimization scheme is characterized in that a control system comprises an oil tank, an HST hydraulic pump and an open pump, wherein a liquid inlet of the HST hydraulic pump and a liquid inlet of the open pump are respectively communicated with the oil tank, a liquid outlet of the HST hydraulic pump is communicated with a walking mechanism, a liquid outlet of the open pump is communicated with a full-hydraulic steering gear, the full-hydraulic steering gear is communicated with a steering mechanism, a liquid outlet of the full-hydraulic steering gear is communicated with a multi-way valve, the multi-way valve is respectively communicated with a telescopic mechanism and a lifting mechanism, and a liquid outlet of the HST hydraulic pump and a liquid;

the traveling mechanism comprises traveling executing parts, the traveling executing parts are hydraulic motors, the number of the traveling executing parts is one or more, and the traveling executing parts are communicated with the HST hydraulic pump through traveling reversing valves;

the walking manual control switch is connected with the walking mechanism;

the steering manual control switch is connected with the steering mechanism;

the lifting manual control switch is connected with the lifting mechanism.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that:

the lifting device is improved, so that the lifting device has the function of inclination at the same time of lifting, and can conveniently transport and load goods;

the platform is stable in extension and retraction, simple in structure and convenient for mechanical production;

thirdly, the frame is stable, the structure is simple, and the mechanical production is convenient;

fourthly, the control device is simple in pipeline, walking and lifting are controlled through a manual control valve, the cost of the control system is reduced, and operation and maintenance are facilitated.

The invention is further described with reference to the following figures and detailed description.

Drawings

Fig. 1 is a schematic structural view of the self-propelled picking platform of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic structural view of a self-propelled picking platform according to another embodiment of the invention.

Fig. 4 is a schematic perspective view of the lifting actuator of the present invention.

Fig. 5 is a schematic cross-sectional view of a lift actuator according to the present invention.

Fig. 6 is a loading and unloading state diagram of the self-propelled picking platform of the invention.

Figure 7 is a perspective view of the vehicle frame of the present invention.

Figure 8 is a front view of the frame of the present invention.

Fig. 9 is a bottom view of fig. 8.

Fig. 10 is a schematic perspective view of the telescopic platform of the present invention.

Fig. 11 is a schematic view of the bottom structure of the telescopic platform of the present invention.

Fig. 12 is a perspective view of the slide rail assembly of the present invention.

FIG. 13 is a schematic diagram of the control system of the present invention.

FIG. 14 is a schematic diagram of a control system according to another embodiment of the present invention.

Detailed Description

Example 1: as shown in fig. 1-2 and 4-13, the self-propelled picking platform comprises a frame, a walking mechanism, a scissor-type lifting mechanism, a telescopic platform and a control system.

One end of the frame is fixedly connected with the drive axle housing, and the other end of the frame is movably connected with the follow-up axle housing through a plate spring. In addition, the transaxle case may be provided integrally with the frame.

The frame comprises a front side plate 11, a rear side plate 12 and a frame beam. The number of the frame beams is two, and the two frame beams are symmetrically arranged. In practice, the front side plate 11, the rear side plate 12, and the two frame rails are assembled to form a rectangular structure. A drive axle mounting groove 14 is formed in the lower portion of each vehicle frame beam, a safety plate 15 is arranged below each drive axle mounting groove 14, and each safety plate 15 is detachably and fixedly connected with the vehicle frame beam. And connecting seats 16 are arranged on the drive axle housing, the connecting seats 16 are detachably and fixedly connected with the frame beams, the number of the connecting seats 16 is matched with that of the frame beams, two connecting seats 16 are specifically mounted on each drive axle object, one connecting seat 16 is connected with one frame beam, and the other connecting seat 16 is connected with the other frame beam.

The frame rails include a first frame rail 131, a second frame rail 132, and a third frame rail 133, the lower side of the first frame rail 131 is connected to the second frame rail 132 and the third frame rail 133, respectively, and the transaxle mounting slot 14 is located between the first frame rail 131, the second frame rail 132, the third frame rail 133, and the bumper 15.

The first frame rail 131 is in contact connection with the second frame rail 132 and the third frame rail 133, and may be welded, in this embodiment, the first frame rail 131, the second frame rail 132 and the third frame rail 133 are all rectangular steel pipes, and the first frame rail 131, the second frame rail 132 and the third frame rail 133 have the same width and the same height, so as to facilitate rapid welding assembly such as cutting raw materials and matching with the frame rail connection position identifier 110.

The frame still includes connecting plate 17, and connecting plate 17 upside and first frame roof beam 131 can dismantle fixed connection, and connecting plate 17 downside and connecting seat 16 can dismantle fixed connection, and connecting plate 17 one end is connected with second frame roof beam 132 contact, and the connecting plate 17 other end is connected with third frame roof beam 133 contact. The number of the connecting plates 17 is matched with that of the frame beams, specifically, the number of the connecting plates 17 is two, one connecting plate 17 is connected with one frame beam, and the other connecting plate 17 is connected with the other frame beam. The transmission of the force of a drive axle is facilitated through the connecting plate 17, so that the running stability is better and the safety is higher; and secondly, the mounting height of the drive axle is convenient to adjust and correct during mounting.

The second frame member 132 and the third frame member 133 may be integrated, and the link plate 17 may be omitted by cutting a groove only in the frame members.

The follower axle mounting slot 18 is provided below the first frame rail 131, and the total length of the second frame rail 132, the third frame rail 133, and the follower axle mounting slot 18 is less than or equal to the length of the first frame rail 131. The arrangement is convenient for the installation of the follow-up axle, so that the follow-up axle and the drive axle are kept balanced, and the materials and the labor are saved during the installation. Further, the follower bridge mounting groove 18 may be formed directly in one of the frame members, or the plate spring may be mounted directly in the middle of the frame member.

The frame still includes preceding curb plate 11 and posterior lateral plate 12, and wherein one end of frame roof beam and preceding curb plate 11 fixed connection, the other one end of frame roof beam and posterior lateral plate 12 fixed connection, the quantity of frame roof beam is two, and two frame roof beams symmetry set up. Specifically, one end of the first frame rail 131 is fixedly connected to the front side plate 11, and the other end of the first frame rail 131 is fixedly connected to the rear side plate 12. An end of the second frame rail 132 remote from the third frame rail 133 is fixedly attached to the rear side panel 12.

The front side plate 11 is an integral bending plate, and the front side plate 11 is provided with a frame beam connecting position mark 110. The front side plate 11 is a rectangular steel plate, the upper side, the lower side, the left side and the right side of the front side plate 11 are respectively bent, and the upper side is provided with a lifting installation groove which is convenient for a lifting device to lift; the lower side is provided with a plate spring mounting groove for facilitating the plate spring.

The rear side plate 12 is an integral bending plate, and the frame rail connecting position mark 110 is arranged on the rear side plate 12. The rear plate 12 is a rectangular steel plate, and the upper and lower sides of the rear plate 12 are respectively bent. The traditional die casting process is replaced by the arrangement, the frame can be manufactured and installed only by cutting and bending the steel plate, the finished frame product is still firm and durable, and meanwhile, the structure is simple, and the frame can be rapidly produced and assembled.

In this embodiment, the rear side plate 12 is provided with a stepping hole 111. In addition, the front side plate 11 alone or both the front side plate 11 and the rear side plate 12 may be provided with the step hole 111. It is also possible to replace the stepping hole 111 with a stepping groove or a stepping protrusion. This setting is convenient for operate and use, compares in prior art simultaneously and has simplified the complete machine structure, has improved the practicality and has made the model outward appearance more pleasing to the eye simultaneously.

In addition, the front side plate 11 and the rear side plate 12 may be arranged in a symmetrical manner and are not limited to those given in the embodiments.

After the front side plate 11 and the rear side plate 12 are cut and bent and the frame beams are cut, firstly, the first frame beam 131 is aligned and welded with the installation position marks on the front side plate 11 and the rear side plate 12, then the second frame beam 132 and the third frame beam 133 are installed on the lower side of the first frame beam 131 in a welding or bolt fixing mode, and the like, then the connecting plate 17, the connecting seat 16 and the drive axle housing are installed through bolts, and then the safety plate 15 is installed through bolts; the follower axle housing is then installed. The installation process is time-saving and labor-saving, and is convenient for batch production. When the frame is used, after a drive axle is driven, the driving force is transmitted in time through the connecting seat 16, the connecting plate 17, the second frame beam 132, the third frame beam 133 and the first frame beam 131, so that the operation is stable, and meanwhile, the drive axle is prevented from going downwards through the safety plate 15 in the process, so that the operation is safer; when passing through comparatively unevenness's road surface, the follow-up axle casing can be better adaptation owing to through leaf spring swing joint, and when comparatively abominable road surface, compare in the setting of two leaf springs, very big increase drive power and complete machine stability, make the vehicle be difficult to turn on one's side, effectively improve the security.

The telescopic platform comprises a fixed platform 41, a movable platform 42, a telescopic executive component 561 and a sliding sleeve assembly.

The telescopic actuating member 561 is respectively connected to the fixed platform 41 and the movable platform 42, and the sliding sleeve assembly is located between the fixed platform 41 and the movable platform 42.

The sliding sleeve assembly includes a cooperating slide 44 and sliding sleeve 45.

One end of the sliding block 44 is fixedly connected with the movable platform 42, the other end of the sliding block 44 is sleeved with the sliding sleeve 45, and the sliding sleeve 45 is fixedly connected with the fixed platform 41.

The number of the movable platforms 42 is two, wherein one movable platform 42 is located on one side of the fixed platform 41, and the other movable platform 42 is located on the other side of the fixed platform 41. The number of the sliding sleeve assemblies connected with each movable platform 42 is two, and the number of the sliding sleeve assemblies is four.

The sliding sleeve 45 connected with one movable platform 42 is fixedly connected with the sliding sleeve 45 connected with the other movable platform 42, and the two ends of the sliding sleeve are aligned.

In addition, the sliding sleeve assembly connected to each movable platform 42 may be arranged symmetrically along the length of the movable platform 42. The number of the sliding sleeve assemblies connected with each movable platform 42 can be three or more according to requirements, and a plurality of sliding sleeve assemblies are uniformly distributed along the movable platforms 42.

The sliding sleeve 45 is arranged in the middle of the fixed platform 41, and the total length of the movable platform 42 and two thirds of the length of the sliding sleeve 45 is less than the length of the sliding block 44; this setting can optimally avoid slider 44 to deviate from sliding sleeve 45, and simultaneously when movable platform 42 removed furthest back, the part that slider 44 and sliding sleeve 45 contacted can prevent that movable platform 42 from rocking and coming off, and complete machine stability is high. In addition, the total length of the movable platform 42 and one half of the length of the fixed platform 41 can be set to be smaller than the length of the sliding block 44. The purpose of this arrangement is that when the movable platform 42 slides out completely, one third of the sliding block 44 is still left in the sliding sleeve 45, so as to prevent the movable platform 42 from falling out, and balance the stress on the movable platform 42, so that the stability of the movable platform is enhanced.

The slider 44 is square in cross-section. Other shapes such as a rectangle, a polygon, or a circle may be used. This setting can directly be intercepted current steel pipe and steel pole, makes and makes simply to, because the contact surface of slider 44 and sliding sleeve 45 compares in traditional gyro wheel and orbital technical scheme greatly increased, greatly strengthened movable platform 42 stability, make it be difficult for rocking and turn on one's side, in activities such as orchard picking, the personnel stand and feel well on movable platform 42.

The number of the telescopic executing members 561 is two, wherein a fixed end of one of the telescopic executing members 561 is fixedly connected to the fixed platform 41, a movable end of the telescopic executing member 561 is fixedly connected to one of the movable platforms 42, a fixed end of the other telescopic executing member 561 is fixedly connected to the fixed platform 41, a movable end of the telescopic executing member 561 is fixedly connected to the other movable platform 42, and the two telescopic executing members 561 are disposed opposite to each other.

The telescopic actuator 561 is a hydraulic cylinder. Besides, the invention can also be a cylinder, an electric cylinder, a linear motor or a linear motor, etc. without being limited to the contents given in the embodiments.

The fixed platform 41 includes a first platform plate 411, a second platform plate 412, a third platform plate 413, a first support 414, and a second support 415.

One end of the first platform plate 411 is fixedly connected with the second platform plate 412, the other end of the first platform plate 411 is fixedly connected with the third platform plate 413, the first supporting piece 414 is positioned below the first platform plate 411, one end of the first supporting piece 414 is fixedly connected with the second platform plate 412, the other end of the first supporting piece 414 is fixedly connected with the third platform plate 413, the sliding sleeve 45 is arranged between the first supporting piece 414 and the first platform plate 411, and the lower side surface of the sliding sleeve 45 is fixedly connected with the upper side surface of the first supporting piece 414. In addition, the sliding sleeve 45 may also be fixedly connected with the first platform plate 411, or the sliding sleeve 45 may be fixedly connected with the first support 414 and the first platform plate 411 respectively.

The second platen 412 and/or the third platen 413 are provided with pedal holes 6. Furthermore, a foot groove or a foot projection may be used instead.

The first platen 411 is an integrated plate. In addition, the plate can be changed into an integral bending plate according to requirements;

the second platen 412 is an integral bent plate. Further, the sheet may be an integrated sheet.

The third stage plate 413 is an integral bending plate. Further, the sheet may be an integrated sheet.

The first support 414 is a unitary rod. The number of the first supporting members 414 is at least two, and the two first supporting members 414 are symmetrically arranged along the sliding sleeve 45. In addition, the first supporting member 414 can be an integral bending rod; two first supports 414 may also be symmetrically disposed along the first platen 411; it is also possible to set the number of the first supports 414 to one or more, a plurality of the first supports 414 are evenly distributed along the sliding sleeve 45 or a plurality of the first supports 414 are evenly distributed along the first platen 411.

The second supporting member 415 is located between the first platform plate 411 and the first supporting member 414, the second supporting member 415 is an integral bending plate, the second supporting member 415 is an integral bending steel plate similar to a zigzag, the upper side of the second supporting member 415 is fixedly connected with the first platform plate 411, two lower sides of the second supporting member 415 are respectively fixedly connected with the first supporting member 414, the number of the second supporting members 415 is five, and a gap capable of accommodating the telescopic executing member 561 and the sliding sleeve 45 is arranged in the middle of the second supporting member 415. This setting is compatible with the connecting piece of flexible executive component 561 and sliding sleeve 45, and the mass production of being convenient for and equipment second support piece 415 are convenient for use manpower and materials sparingly. Of course, the connecting members of the telescopic actuating member 561 and the sliding sleeve 45 can be customized according to the requirement.

The second and

third platform plates

412, 413 are provided with first support member attachment position marks. Facilitating quick installation of the first support 414. Can be welded or bolted.

The movable platform 42 includes a fourth platform plate 421, a fifth platform plate 422, and a third support 423.

The side of the fourth platen 421 away from the first platen 411 is integrally connected to the fifth platen 422, and the slider 44 is fixedly connected to the fourth platen 421 and/or the fifth platen 422. The fourth platen plate 421 and the fifth platen plate 422 may be connected by welding, bolting, or the like.

The sliding block 44 is detachably and fixedly connected with the fourth platform plate 421 and/or the fifth platform plate 422 through a third supporting piece 423, the third supporting piece 423 is an L-shaped integral bending plate, the number of the third supporting pieces 423 is two, the two third supporting pieces 423 are symmetrically arranged along the sliding block 44, one end of each third supporting piece 423 is fixedly connected with the fourth platform plate 421 through a bolt, and the other end of each third supporting piece 423 is fixedly connected with the sliding block 44 in a welding manner. In addition, the third supporting members 423 may be fixed to the fifth platform plate 422 and the sliding block 44, respectively, and the number of the third supporting members 423 may be set to one or more according to the requirement, which is not limited to the content given in the embodiments. Through the above arrangement, when assembling, the sliding block 44 and the third supporting member 423 can be connected first, then the sliding block 44 and the sliding sleeve 45 are connected, and then the third supporting member 423 and the movable platform 42 are connected. The sliding block 44 is connected with the movable platform 42 through the third supporting piece 423 instead of being directly welded, so that the position of the sliding block 44 can be adjusted, and the phenomenon of error in gap installation of the sliding block 44 and the sliding sleeve 45 is avoided.

In this embodiment, the movable platform 42 and the third supporting member 423 are both integrally formed bending plates. Through the above components, the bending plate, the pipe fitting and the rod piece are convenient to cut quickly, and are quickly positioned and assembled, so that the production is high in speed, and the mass production is convenient. Meanwhile, the whole machine has simple structure, high stability and beautiful appearance.

During the use, through flexible executive component 561 flexible, make movable platform 42 compare in fixed platform 41 and remove, remove the in-process, because slider 44 and sliding sleeve 45 are comparatively level and smooth and great contact surface, steady and difficult rollover when making whole movable platform 42 roll-off, the bigger bearing capacity of movable platform 42 has simultaneously been compared in the prior art of gyro wheel and slide rail, has removed the gyro wheel easy damage from moreover, and the gyro wheel is difficult for installing, difficult maintenance, a great deal of problems such as cost is higher. The whole machine is firm and durable, high in stability and attractive in appearance.

Further, the following scheme may be adopted:

the number of the movable platforms 42 is two, the number of the telescopic executing members 561 is one, the telescopic executing members 561 are double-acting cylinders, the fixed ends of the telescopic executing members 561 are fixedly connected with the fixed platform 41, one movable end of the telescopic executing members 561 is fixedly connected with one of the movable platforms 42, and the other movable end of the telescopic executing members 561 is fixedly connected with the other movable platform 42.

Or:

the number of the movable platforms 42 is one, the movable platforms 42 are disposed on one side of the fixed platform 41, the number of the telescopic executing members 561 is one, a fixed end of the telescopic executing member 561 is fixedly connected with the fixed platform 41, and a movable end of the telescopic executing member 561 is fixedly connected with the movable platform 42.

It should be understood that the number of the movable platforms 42 and the number of the telescopic actuators 561 and the positional relationship therebetween can be set as required, and the number and the positional relationship of the above components can be replaced as required, and are not limited to the embodiments.

The lifting device comprises at least three lifting execution pieces 71, the upper ends of the lifting execution pieces 71 are movably connected with the telescopic platform, the lower ends of the lifting execution pieces 71 are movably connected with the frame, at least two lifting execution pieces 71 are arranged in parallel and are arranged in a cross mode with the rest lifting execution pieces 71, and the rest lifting execution pieces 71 are arranged in parallel.

Specifically, be equipped with first lift executive component and second lift executive component between frame and the telescopic platform, the quantity of first lift executive component is two, and two first lift executive component parallel arrangement and symmetry set up, and the quantity of second lift executive component is two, and two second lift executive component parallel arrangement and symmetry set up, and two second lift executive components are located between two first lift executive components, and first lift executive component and second lift executive component cross arrangement. The first lifting executive component and the second lifting executive component can adopt the same type of lifting executive component 71, and the position setting is different.

The lifting actuator 71 is a hydraulic cylinder, and may be replaced with an air cylinder, an electric cylinder, a linear motor, or an electric push rod.

The frame and the telescopic platform are provided with a first limiting component 34 for limiting the horizontal movement of the lifting executive component 71, and in the embodiment, the first limiting component 34 is a limiting plate. In addition, the first limiting member 34 may be a limiting groove provided on the frame or the telescopic platform, or the first limiting member 34 may be provided on the frame or the telescopic platform alone, but the effect is not as good as that of the above-mentioned solution.

The lifting executive component 71 is externally sleeved with a telescopic sleeve, the lower end of the telescopic sleeve is hinged to the frame through a first hinged shaft 36, the upper end of the telescopic sleeve is hinged to the telescopic platform through the first hinged shaft 36, and a first limiting component 34 is arranged on each of two sides of each first hinged shaft 36. In practical application, the first limiting parts 34 are matched with the lifting executing parts 71 in number, in this embodiment, the number of the first limiting parts 34 is sixteen, eight of the first limiting parts are arranged on the frame, and eight of the first limiting parts are arranged on the telescopic platform.

The lifting actuator 71 is hinged to the telescopic sleeve by a second hinge shaft 37. In addition, the lifting actuator 71 may be directly hinged to the telescopic sleeve through the first hinge shaft 36 to simplify the structure, but the effect is slightly poor.

The upper portion of the frame is provided with a second limiting component for limiting the moving track of the lifting executive component 71 in the vertical direction, the lower portion of the telescopic platform is provided with a second limiting component for limiting the moving track of the lifting executive component 71 in the vertical direction, and the second limiting component comprises an arc-shaped limiting hole 38 matched with the moving track of the second hinge shaft 37. In addition, the arc-shaped limiting hole 38 may be replaced with an arc-shaped limiting groove. The second limiting part can be arranged on the frame or the telescopic platform independently, but the effect is not as good as the effect of the scheme.

The second stopper member is integrally provided with the first stopper member 34 adjacent thereto; one side or both sides of each second hinge shaft 37 are respectively provided with a second limiting part. In this embodiment, the arc-shaped limiting hole 38 is directly disposed on the limiting plate, and when the first limiting member 34 is a groove, a plate with the arc-shaped limiting hole 38 may be additionally disposed.

The telescopic sleeve comprises a lower telescopic joint 351 and an upper telescopic joint 352, the lower telescopic joint 351 is hinged with the frame, and the upper telescopic joint 352 is hinged with the telescopic platform; the lower telescopic joint 351 is sleeved with the upper telescopic joint 352. Furthermore, a flexible sleeve or a plurality of middle telescopic joints can be arranged between the lower telescopic joint 351 and the upper telescopic joint 352, and the invention is not limited to the contents given in the embodiment. Through the arrangement, the expansion joint is easy to manufacture and install, and meanwhile, the lifting execution piece 71 is convenient to protect.

The cross section of the telescopic sleeve is rectangular. Furthermore, polygons and/or circles may be substituted. Through the arrangement of the telescopic sleeve, firstly, the sleeve is relatively convenient to manufacture; the first limiting part 34 and the second limiting part are convenient to arrange and limit, so that the lifting executing part 71 is not easy to shake, and the lifting and the loading and unloading are stable; thirdly, the sleeve also limits the lifting executive component 71 to prevent the lifting executive component from shaking; fourthly, the bearing capacity of the lifting device on the telescopic platform is increased, so that the structural strength of the whole machine is increased.

When in use, there are two modes:

the first lifting mode drives the first lifting executing part and the second lifting executing part to stretch and retract simultaneously, so that the stretching amplitude is the same, and the telescopic platform rises or falls relative to the frame.

And in the loading and unloading mode, the first lifting executing part is driven singly or the first lifting executing part and the second lifting executing part are driven simultaneously to stretch and retract, but the stretching amplitude is different, and then the telescopic platform inclines relative to the frame due to the stretching difference of the first lifting executing part and the second lifting executing part, so that the articles on the telescopic platform are convenient to load and unload.

Further, the following scheme may be adopted:

as shown in fig. 3, the number of the first lifting executing parts is two, the number of the second lifting executing parts is one, the two first lifting executing parts are symmetrically arranged, and the second lifting executing part is located between the two first lifting executing parts.

The number of the first limiting parts 34 is twelve, wherein six first limiting parts are arranged on the frame, and six first limiting parts are arranged on the telescopic platform. The number of second stop members corresponds to the number of first stop members 34.

Or:

the number of the first lifting executing parts is two, the number of the second lifting executing parts is three, the two first lifting executing parts are symmetrically arranged, and the three second lifting executing parts are located between the two first lifting executing parts.

The number of the first limiting parts 34 is twenty, wherein ten are arranged on the frame, and ten are arranged on the telescopic platform. Each second hinge shaft 37 is provided at one side with a second limit part, the number of which is ten.

It should be understood that the number of the lifting actuators 71 can be set according to the requirement, and is not limited to the examples.

The walking mechanism comprises a drive axle shell and a follow-up axle shell. A driving axle is installed in the driving axle housing, wheels are connected to two ends of the driving axle respectively, a follow-up axle is installed in the follow-up axle housing, and wheels are connected to two ends of the follow-up axle respectively.

The control system includes a tank 51, an HST hydraulic pump 521, and an open pump 522.

Open pump 522 is a gear pump.

The liquid inlet of the HST hydraulic pump 521 and the liquid inlet of the open pump 522 are respectively communicated with the oil tank 51, the liquid outlet of the HST hydraulic pump 521 is communicated with the traveling mechanism 53, the liquid outlet of the open pump 522 is communicated with a full-hydraulic steering gear 540, the full-hydraulic steering gear 540 is communicated with a steering mechanism, the liquid outlet of the full-hydraulic steering gear 540 is communicated with a multi-way valve 55, the multi-way valve 55 is respectively communicated with a telescopic mechanism and a lifting mechanism, and the liquid outlet of the HST hydraulic pump 521 and the liquid outlet of the multi-way valve 55 are respectively communicated with the.

An overflow valve 58 is arranged between the open pump 522 and the full hydraulic steering gear 540. The oil way can be prevented from being overloaded, elements can be protected, the service life can be prolonged, and the maintenance frequency can be reduced.

And the power device comprises a gearbox 591, an electric motor 592 and a storage battery 593.

The input end of the gearbox 591 is in transmission connection with the electric motor 592, and the gearbox 591 has two output ends, wherein one output end is in transmission connection with the HST hydraulic pump 521, and the other output end is in transmission connection with the open pump 522.

The electric motor 592 is electrically connected to the battery 593.

The walking mechanism comprises walking executing parts 531, the walking executing parts 531 are hydraulic motors, in the implementation, the number of the walking executing parts 531 is two, the two walking executing parts 531 are respectively communicated with the HST hydraulic pump 521 through the walking reversing valves 530, one walking executing part 531 is in transmission connection with wheels at one end of the drive axle, and the other walking executing part 531 is in transmission connection with wheels at the other end of the drive axle. Furthermore, the number of the walking executing parts can be four or the walking executing parts can be arranged according to the number of the driving axles.

The steering mechanism includes steering actuators 541, in this embodiment, the steering actuators 541 are single-acting hydraulic cylinders, the number of the steering actuators 541 is two, the extending and retracting directions of the two steering actuators 541 are opposite, and the two steering actuators 541 are respectively communicated with the full hydraulic steering gear 540. Further, the two steering actuators 541 may be replaced with a double acting telescopic cylinder or the like.

The telescopic mechanism includes telescopic actuators 561, in this embodiment, the telescopic actuators 561 are single-acting hydraulic cylinders, the number of the telescopic actuators 561 is two, the telescopic directions of the two telescopic actuators 561 are opposite, and the two telescopic actuators 561 are respectively communicated with the multi-way valve 55. In addition, when the number of the telescopic actuators 561 is increased, the telescopic actuators may be divided into two groups, the telescopic actuators in each group are synchronously telescopic, and the telescopic directions of the two groups of telescopic actuators are opposite. For example, when the number of the telescopic actuators 561 is four, two of the telescopic actuators 561 are a group, and the remaining two telescopic actuators 561 are a group, the telescopic actuators 561 in each group are synchronous in telescopic operation, and the telescopic directions of the two groups of telescopic actuators 561 are opposite. The telescopic stability of the platform can be enhanced when the machine type is large.

The lifting mechanism includes three lifting actuators 571, in this embodiment, the number of the lifting actuators 571 is three, the three lifting actuators 571 are respectively communicated with the multi-way valve 55, wherein two lifting actuators 571 are in one group, the remaining lifting actuators 571 are in one group, and the lifting actuators 571 in each group are synchronized in extension and retraction.

Specifically, when the two sets of lifting actuators 571 extend simultaneously, they can act as a horizontal lifting platform; when the two sets of lifting actuators 571 are shortened at the same time, the function of a horizontal falling platform can be achieved; when one of the lifting actuators 571 is extended or not moved and the other lifting actuator 571 performs the opposite action, it can tilt the platform.

Also comprises two groups of radiators and filters. One group of radiator and filter is arranged between the liquid outlet of the multi-way valve and the oil tank, and the other group is arranged between the HST hydraulic pump 521 and the oil tank.

The walking manual control switch 532 is further included, and the walking manual control switch 532 is electrically connected with the walking mechanism; the walking manual control switch 532 is also electrically connected with the storage battery 593. The walking manual control switch 532 is connected with the walking reversing valve 530, and the walking reversing valve 530 can be manually operated to open, close and reverse, so that the walking can be manually controlled.

The steering mechanism further comprises a steering manual control switch 542, the steering manual control switch 542 is connected with the steering mechanism, and the steering manual control switch 542 is further electrically connected with the storage battery 593. The steering manual control switch 542 is actually an operating handle connected to the full hydraulic steering 540, and can manually control the steering mechanism.

Still include flexible manual control switch 562, flexible manual control switch 562 is connected with telescopic machanism, and flexible manual control switch 562 still is connected with battery 593 electricity. The manual telescopic control switch 562 is provided on the oil path for controlling the telescopic mechanism by the multi-way valve 55, and can open and close the oil supply of the telescopic mechanism by the multi-way valve 55, so that the telescopic mechanism can be manually controlled.

The lifting manual control switch 572 is further included, and the lifting manual control switch 572 is electrically connected to the lifting mechanism. The manual elevating control switch 572 is also electrically connected to a battery 593. The manual lift control switch 572 is provided on a control oil path of the multi-way valve 55 to the lift mechanism, and can open or close the oil supply of the multi-way valve 55 to the lift mechanism, thereby enabling manual control of the lift mechanism.

Through above-mentioned manual control switch, can strengthen the security of machine, avoid when operations such as collection, the machine produces trouble such as removal, in addition, compare in chip operations such as traditional singlechip, only handle each item part respectively with simple manual switch, also can make things convenient for personnel to operate, reduce operating system's cost.

In this embodiment, the multi-way valve may be a six-way valve, and since the HST hydraulic pump 521, the multi-way valve 55, the full hydraulic steering gear 540, the hydraulic cylinder, and the hydraulic motor are all known finished products, those skilled in the art can select and assemble components according to the model of the engine to implement the technical solution of the present application, and therefore, the specific operation principle thereof is not described herein.

When the hydraulic control device is used, the walking mechanism can be controlled to be started or closed through the walking manual control switch 532, the HST hydraulic pump 521 can realize the stepless speed change of the walking mechanism, and therefore the usability of the hydraulic control device is improved;

the steering can be realized through the manual steering control switch 542, and the overflow valve 58 is arranged, so that the oil way can be prevented from being overloaded;

the telescopic executive component 561 can be controlled to be telescopic through the telescopic manual control switch 562, so that the platform can be telescopic;

the lifting executive member 571 can be controlled to stretch and contract by the lifting manual control switch 572, so that the platform can be lifted or inclined, and the collection, loading and unloading of articles are facilitated.

Moreover, the HST hydraulic pump 521 is connected with the open pump 522 in parallel, and the open pump 522 is connected with the full hydraulic steering gear 540 and the three-way valve in parallel, so that the equipment structure is simplified, the assembly is simple and rapid, and the batch production is convenient.

In addition, other schemes may be employed, such as:

the telescopic actuators 561 are double-acting telescopic cylinders, the number of the telescopic actuators 561 is one, and the telescopic actuators 561 are in communication with the multiplex valve 55. In addition, when the machine type is larger, the number of the telescopic executing pieces 561 can be increased, and the plurality of telescopic executing pieces 561 are telescopic and synchronous, so that the telescopic stability is enhanced.

The control system further comprises an engine 594, wherein the engine 594 is communicated with the oil tank 51, and the engine 594 is in transmission connection with the input end of the gearbox 591.

The lifting executive members 71 are four in number, the four lifting executive members 71 are respectively communicated with the multi-way valve 5, two lifting executive members 71 are in one group, the remaining two lifting executive members 71 are in one group, the lifting executive members 71 in each group stretch synchronously, and the lifting stability can be further enhanced. In addition, the number of the lifting executing pieces is increased to five, six or more according to the requirement.

The multi-way valve can be a seven-way valve or an eight-way valve.

Or:

the number of the traveling actuators 531 is one, and the traveling actuators 531 communicate with the HST hydraulic pump 521.

The number of the telescopic actuators 561 is one, and the telescopic actuators 561 communicate with the multiplex valve 55. The scheme can be adopted when the platform only has one-side telescopic function. In addition, when the machine model is large, the number of the telescopic actuators 561 can be increased as required, and the plurality of telescopic actuators 561 can be telescopic synchronously.

The traveling manual control switch 532 is provided on the HST hydraulic pump 521, and can turn on and off the HST hydraulic pump 521.

The multiway valve can be a four-way valve.

It should be understood that the above embodiments only show some representative solutions, and those skilled in the art can make combined replacement of the solutions of the lifting mechanism, the telescoping mechanism, and the traveling mechanism, and not only the embodiments are given.

Example 2: as shown in fig. 14, the self-propelled picking platform differs from the embodiment 1 in that:

the control system comprises an oil tank 51, the oil tank 1 is communicated with a hydraulic pump 52, a liquid outlet of the hydraulic pump 52 is communicated with a full-hydraulic steering gear 540, a liquid outlet of the full-hydraulic steering gear 540 is communicated with a multi-way valve 55, a liquid outlet of the multi-way valve 55 is communicated with the oil tank 51, an overflow valve 58 is arranged between the hydraulic pump 52 and the full-hydraulic steering gear 540, the full-hydraulic steering gear 540 is communicated with a steering mechanism, and the multi-way valve 55 is respectively communicated with a lifting mechanism and a telescopic.

The walking actuator 531 is an electric motor connected to a power source such as a battery, and the walking manual control switch 532 is an on/off switch for controlling the electric motor.

The rest is the same as in example 1.

Through the improvement, the whole machine is firm and durable, simple in structure, convenient for batch production, less in maintenance times and long in service life.

Claims

1. Self-propelled harvesting platform, its characterized in that: comprises a frame, a walking mechanism, a lifting device, a telescopic platform and a control system;

2. The self-propelled harvesting platform of claim 1, wherein: the frame and/or the platform are/is provided with a first limiting component which limits the lifting executive component to move in the horizontal direction, and the first limiting component is a limiting groove or a limiting plate;

3. The self-propelled harvesting platform of claim 2, wherein: the lifting executive part is hinged with the telescopic sleeve through the first hinged shaft or the second hinged shaft, a second limiting part for limiting the moving track of the lifting executive part in the vertical direction is arranged on the rack and/or the platform, and the second limiting part comprises an arc-shaped limiting groove or an arc-shaped limiting hole matched with the moving track of the second hinged shaft.

4. The self-propelled harvesting platform of claim 1, wherein: the number of the lifting execution pieces is three, two lifting execution pieces are arranged in parallel, and the rest lifting execution piece is respectively crossed with the two lifting execution pieces which are arranged in parallel;

5. The self-propelled harvesting platform of any one of claims 1-4, wherein: the telescopic platform comprises a fixed platform, a movable platform and a telescopic mechanism, the telescopic mechanism comprises at least one telescopic executing part, the telescopic executing part is respectively connected with the fixed platform and the movable platform, a sliding sleeve assembly is also arranged between the fixed platform and the movable platform, the sliding sleeve assembly comprises a sliding block and a sliding sleeve which are matched, one end of the sliding block is fixedly connected with the movable platform, the other end of the sliding block is sleeved with the sliding sleeve, and the sliding sleeve is fixedly connected with the fixed platform;

the cross section of the sliding block is rectangular, polygonal or circular;

6. The self-propelled harvesting platform of claim 5, wherein: the fixed platform comprises a first platform plate, a second platform plate, a third platform plate and a first supporting piece, one end of the first platform plate is fixedly connected with the second platform plate, the other end of the first platform plate is fixedly connected with the third platform plate, the first supporting piece is positioned below the first platform plate, one end of the first supporting piece is fixedly connected with the second platform plate, the other end of the first supporting piece is fixedly connected with the third platform plate, the sliding sleeve is arranged between the first supporting piece and the first platform plate, and the sliding sleeve is fixedly connected with the first supporting piece and/or the first platform plate;

7. The self-propelled harvesting platform of claim 5, wherein: the frame comprises a front side plate, a rear side plate and frame beams, wherein one end of each frame beam is fixedly connected with the front side plate, the other end of each frame beam is fixedly connected with the rear side plate, the number of the frame beams is two, and the two frame beams are symmetrically arranged;

8. The self-propelled harvesting platform of claim 7, wherein: the vehicle frame beam comprises a first vehicle frame beam, a second vehicle frame beam and a third vehicle frame beam, the lower side of the first vehicle frame beam is respectively connected with the second vehicle frame beam and the third vehicle frame beam, and the drive axle mounting groove is positioned among the first vehicle frame beam, the second vehicle frame beam, the third vehicle frame beam and the safety plate;

9. The self-propelled harvesting platform of claim 5, wherein: the control system comprises an oil tank, the oil tank is communicated with a hydraulic pump, a liquid outlet of the hydraulic pump is communicated with a full-hydraulic steering gear, a liquid outlet of the full-hydraulic steering gear is communicated with a multi-way valve, a liquid outlet of the multi-way valve is communicated with the oil tank, an overflow valve is arranged between the hydraulic pump and the full-hydraulic steering gear, the full-hydraulic steering gear is communicated with a steering mechanism, and the multi-way valve is respectively communicated with a lifting mechanism and a;

the walking manual control switch is connected with the walking mechanism;

the steering manual control switch is connected with the steering mechanism;

the lifting manual control switch is connected with the lifting mechanism.

10. The self-propelled harvesting platform of claim 5, wherein: the control system comprises an oil tank, an HST hydraulic pump and an open pump, wherein a liquid inlet of the HST hydraulic pump and a liquid inlet of the open pump are respectively communicated with the oil tank, a liquid outlet of the HST hydraulic pump is communicated with a traveling mechanism, a liquid outlet of the open pump is communicated with a full-hydraulic steering gear, the full-hydraulic steering gear is communicated with a steering mechanism, a liquid outlet of the full-hydraulic steering gear is communicated with a multi-way valve, the multi-way valve is respectively communicated with a telescopic mechanism and a lifting mechanism, and the liquid outlet of the HST hydraulic pump and the liquid outlet of;

the walking manual control switch is connected with the walking mechanism;

the steering manual control switch is connected with the steering mechanism;

the lifting manual control switch is connected with the lifting mechanism.