CN217064632U - Suspension type all-dimensional orchard operation platform - Google Patents

Abstract

The utility model particularly relates to an all-round orchard operation platform of suspension type has solved at the bottom of the orchard operation platform operation flexibility ratio, the working range is little, the lifting range is limited, to hilly mountain region not applicable, the poor problem of commonality. A suspended omnibearing orchard operating platform comprises a slewing mechanism, a hydraulic motor and a vertical slewing shaft; the upright post type lifting mechanism comprises a telescopic upright post, a lifting driving oil cylinder, an I steering chain wheel and an I chain; the transverse telescopic mechanism comprises a telescopic crossbeam, a telescopic driving oil cylinder, a II steering chain wheel, a II chain, a III steering chain wheel and a III chain; the adjustable platform mechanism comprises a parallel four-bar mechanism, an operation platform body and an adjusting driving oil cylinder; the hydraulic driving device comprises a hydraulic pump, a gearbox and a hydraulic oil tank. The utility model discloses can once only accomplish the operation of two trees whole week, applicable in the hills mountain region, the operating range is big, has effectively improved the operating efficiency, has convenient regulation, factor of safety is high, the advantage that the commonality is strong.

Description

A hanging all-round orchard operating platform

technical field

The utility model relates to the field of agricultural machinery, in particular to an operating platform, in particular to a suspended omnidirectional orchard operating platform.

Background technique

At present, the total amount of fruit trees planted in my country is huge, but the planting terrain is complex and changeable, and the planting scale is also different. The proportion of hills and mountains is large, and the large-scale specialized planting area is not too much; The comprehensive mechanization level of the advantageous producing areas is less than 20% and 10% respectively. And orchard harvesting is a weak link in orchard operations. In the areas with backward planting, small scale and complex terrain, orchards are backward in mechanization, they mostly rely on manpower to use escalators to climb to a certain height for pruning and picking, and sometimes manual pollination is required. This old-fashioned manual operation method requires labor intensity High and no working efficiency is prone to fatigue, and the danger of aerial work in such conditions also increases.

The orchard operation platform in developed countries is suitable for large-scale orchards. This kind of orchard operation platform adopts the combination of electromechanical and hydraulic design, with a high degree of mechanization and a large working width, but it is expensive and not suitable for the distribution terrain of orchards in my country, so it cannot be directly applied in China. .

Most of the existing garden machinery in my country are self-propelled working platforms, which are suitable for large-scale orchard operations in flat areas. There are generally problems such as low operational flexibility, small operating range, limited lifting range, and inapplicability to hills and mountains. At present, most of the orchard operation platforms on the domestic market are designed for a specific row and plant spacing, and they are not versatile enough to be compatible with different row and plant spacings for operation at the same time.

Utility model content

In order to solve the problems of low operation flexibility, small operation range, limited lifting range, inapplicability to hills and mountains and poor versatility of the existing orchard operating platform, the utility model provides a suspended omnidirectional orchard operating platform.

The utility model is realized by adopting the following technical solutions:

A suspended all-round orchard operating platform includes a frame, a slewing mechanism, a column-type lifting mechanism, a lateral telescopic mechanism, an adjustable platform mechanism and a hydraulic drive device; the left part of the frame is provided with a suspension mechanism;

The slewing mechanism includes a hydraulic motor whose base is fixedly connected to the frame and a vertical slewing shaft located on the right side of the hydraulic motor and rotatably supported in the middle of the frame. The output shaft of the hydraulic motor is fixedly equipped with a pinion, and the vertical slewing shaft is The bottom is fixedly equipped with a large gear meshing with the pinion, and the top is horizontally fixed with a lower flange;

The column type lifting mechanism includes an upper flange plate located at the bottom and fixedly connected with the lower flange plate. The upper side of the upper flange plate is provided with a telescopic column with the bottom fixed thereto. The telescopic column rises from the bottom. It is composed of a vertical outer section arm, a vertical middle section arm and a vertical inner section arm that are sleeved in sequence; the inner cavity of the telescopic column is provided with a lifting driving oil cylinder with the piston rod facing upward, and the bottom of the cylinder barrel of the lifting driving oil cylinder is connected A cross-shaped cage slidably connected to the vertical inner segment arm is horizontally fixed on the vertical outer segment arm and the middle of the cylinder; the top of the piston rod of the lift driving oil cylinder is provided with the first steering sprocket, and the first steering sprocket is wound with a The first chain, one end of the first chain is connected to the bottom end of the vertical inner segment arm, and the other end is connected to the bottom end of the vertical outer segment arm;

The horizontal telescopic mechanism includes two connecting lugs that are fixedly connected to the top end of the vertical inner arm and are distributed in parallel front and rear, and a horizontally placed telescopic beam is fixedly connected between the two connecting lugs. The telescopic beam is It is composed of a transverse outer section arm, a transverse middle section arm and a transverse inner section arm that are sleeved from left to right in sequence; the inner cavity of the telescopic beam is provided with a telescopic drive cylinder with the piston rod facing left, and the left end of the cylinder barrel of the telescopic drive cylinder is connected to the left end of the lateral middle arm; the left end of the piston rod of the telescopic drive cylinder is connected to the left end of the lateral outer arm; the right end of the cylinder of the telescopic drive cylinder is provided with the second steering sprocket, the second steering sprocket The second chain is wound on it, one end of the second chain is connected to the left end of the lateral inner arm, and the other end is connected to the left end of the lateral outer arm; the lower part of the telescopic driving cylinder is provided with the third steering chain installed on the lateral middle arm. wheel, the third steering sprocket is wound with the third chain, one end of the third chain is connected to the left end of the lateral inner segment arm, and the other end is connected to the right end of the lateral outer segment arm;

The adjustable platform mechanism includes the first connecting rod fixedly connected to the bottom of the right end of the lateral inner arm, the operating platform body located on the left of the first connecting rod and below the telescopic beam, and the first connecting rod and the operating platform body. The parallel four-bar mechanism between the operating platform bodies, the right side of the first connecting rod is provided with an adjustment driving oil cylinder which is placed at a high left and right low and whose piston rod is directed to the lower right; the cylinder of the adjusting driving oil cylinder is hinged on the first connecting rod The upper part of the rod; the right part of the parallel four-bar mechanism is hinged with the piston rod of the adjustment driving oil cylinder, and the left part is hinged with the operating platform body;

The hydraulic drive device includes a hydraulic pump, a gearbox and a hydraulic oil tank arranged on the frame; the output shaft of the gearbox is connected with the input shaft of the hydraulic pump; the oil inlet of the hydraulic pump is communicated with the oil outlet of the hydraulic oil tank; the hydraulic pump The oil outlet is communicated with the hydraulic motor, the lifting driving oil cylinder, the telescopic driving oil cylinder and the adjusting driving oil cylinder respectively through the hydraulic control valve group.

Further, the parallel four-bar mechanism includes an active rod, an upper driven rod and a lower driven rod, which are hinged on the first connecting rod and are distributed in parallel from top to bottom in order; The rod end is hinged, and the left end is hinged to the middle of the upper driven rod through a vertical pull rod; the operating platform body is an operating box with an upper opening, and its right side is fixed with the second connecting rod, and the upper driven rod is The left end part and the left end part of the lower driven rod are both hinged to the upper part of the second connecting rod.

Further, the hydraulic control valve group includes four valve assemblies, and the four valve assemblies are respectively installed on the oil circuits of the hydraulic motor, the lifting driving oil cylinder, the telescopic driving oil cylinder, and the adjusting driving oil cylinder; the valve assembly includes an electromagnetic switch. Directional valve, hydraulic lock and speed control valve.

Further, between the vertical outer section arm and the vertical middle section arm, between the vertical middle section arm and the vertical inner section arm, between the lateral outer section arm and the lateral middle section arm, between the lateral middle section arm and the lateral inner section arm A limiting mechanism is arranged between the segment arms, and the limiting mechanism includes an inner limiting ring and an outer limiting ring; the inner limiting ring is respectively fixed on the top of the inner side wall of the vertical outer segment arm and the vertical middle segment arm. The top end of the inner side wall of the horizontal outer segment arm, the right end of the inner side wall of the transverse middle segment arm, and the right end of the inner side wall of the transverse middle segment arm; the outer limit rings are respectively fixed on the bottom end of the outer side wall of the vertical middle segment arm and the outer side of the vertical inner segment arm. The bottom end of the wall, the left end of the outer side wall of the transverse middle segment arm, and the left end of the outer side wall of the transverse inner segment arm.

Further, an installation gap located below is left between the outer side wall of the lateral outer section arm and the inner side wall of the lateral middle section arm, the third chain is passed through the outer limit ring and the installation gap, and the end of the third chain is connected. on the inner limit ring.

Further, two tapered roller bearings distributed up and down are arranged in the middle of the vertical rotating shaft, and a bearing seat is jointly arranged on the outside of the two tapered roller bearings, and the upper part of the bearing seat is connected with the frame flange.

Further, the suspension mechanism includes three pairs of suspension lugs distributed in a triangle.

Further, the tooth distribution angle of the large gear is 270°.

The structure design of the utility model is reasonable and reliable. According to the requirements of traditional orchard operation machinery, the utility model can complete the operation of two trees for a whole week at one time, and can be used with agricultural machinery, which is suitable for the operation in hills and mountains. It is suitable for orchards with different row and plant spacing, has a large operating range, further improves the applicable performance, effectively improves the operating efficiency, has the advantages of convenient adjustment, high safety factor and strong versatility, and is suitable for the requirements of orchard operations.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the top schematic view of Fig. 1;

Fig. 3 is the structural representation of the slewing mechanism in the present utility model;

Fig. 4 is the structural schematic diagram of the neutral column type lifting mechanism of the present invention;

Fig. 5 is the structural representation of the horizontal telescopic mechanism in the present utility model;

Fig. 6 is the structural representation of the adjustable platform mechanism in the present utility model;

FIG. 7 is a schematic diagram of the connection of the hydraulic drive device in the present invention.

In the figure, 1-frame, 201-hydraulic motor, 202-vertical rotary shaft, 203-pinion gear, 204-big gear, 205-lower flange, 206-tapered roller bearing, 207-bearing seat, 208 -Mounting seat, 209- Rotary table flange plate, 301- Upper flange plate, 302- Vertical outer arm, 303- Vertical inner arm, 304- Lifting drive cylinder, 305- Cross cage, 306- The first steering sprocket, 307-the first chain, 401-connecting lug plate, 402-transverse outer section arm, 403-transverse middle section arm, 404-transverse inner section arm, 405- telescopic drive cylinder, 406-the second steering Sprocket, 407-Part II chain, 408-Part III steering sprocket, 409-Part III chain, 410-Inner limit ring, 411-Installation clearance, 412-Connecting pin, 413-Inverted U-shaped base, 501-Part I connecting rod, 502-operating platform body, 503-adjusting driving cylinder, 504-active rod, 505-upper driven rod, 506-lower driven rod, 507-vertical pull rod, 508-section II connecting rod, 509- Hinged seat, 601- Hydraulic pump, 602- Gear box, 603- Hydraulic oil tank, 604- Electromagnetic reversing valve, 605- Hydraulic lock, 606- Speed regulating valve, 607- Relief valve, 7- Suspension lug.

Detailed ways

A suspended omnidirectional orchard operating platform, as shown in Figures 1 and 2, includes a frame 1, a slewing mechanism, a column-type lifting mechanism, a lateral telescopic mechanism, an adjustable platform mechanism and a hydraulic drive device; the frame 1 The left part is provided with a suspension mechanism;

As shown in FIG. 1 , FIG. 2 , and FIG. 3 , the slewing mechanism includes a hydraulic motor 201 whose base is fixedly connected to the frame 1 and a vertical vertical motor 201 located on the right side of the hydraulic motor 201 and rotatably supported in the middle of the frame 1 . The rotary shaft 202, the output shaft of the hydraulic motor 201 is fixedly fitted with a pinion 203, the bottom of the vertical rotary shaft 202 is fixedly fitted with a large gear 204 meshing with the pinion 203, and the top is horizontally fixed with a lower flange 205;

As shown in FIG. 1 , FIG. 2 and FIG. 4 , the column-type lifting mechanism includes an upper flange 301 located at the bottom and fixedly connected with the lower flange 205 . The upper flange 301 is provided with a The bottom of the telescopic column is fixed with it. The telescopic column is composed of a vertical outer section arm 302, a vertical middle section arm and a vertical inner section arm 303, which are sequentially sleeved from bottom to top; the inner section of the telescopic column is The cavity is provided with a lift driving oil cylinder 304 with the piston rod facing upward. The bottom of the cylinder barrel of the lifting driving oil cylinder 304 is connected to the vertical outer section arm 302, and the middle of the cylinder tube is horizontally fixed with a cross-shaped cage slidingly connected to the vertical inner section arm 303. 305; the top of the piston rod of the lift driving oil cylinder 304 is provided with the first steering sprocket 306, the first steering sprocket 306 is wound with the first chain 307, and one end of the first chain 307 is connected to the bottom end of the vertical inner arm 303 , the other end is connected to the bottom end of the vertical outer segment arm 302;

As shown in FIG. 1 , FIG. 2 , and FIG. 5 , the lateral telescopic mechanism includes two connecting lugs 401 that are fixedly connected to the top end of the vertical inner arm 303 and are distributed in parallel in the front and rear, and two connecting lugs 401 A horizontally placed telescopic beam is fixedly connected between them, and the telescopic beam is composed of a lateral outer section arm 402, a lateral middle section arm 403 and a lateral inner section arm 404 that are sleeved in sequence from left to right; the telescopic beam The inner cavity is provided with a telescopic drive cylinder 405 with the piston rod facing left, the left end of the cylinder of the telescopic drive cylinder 405 is connected to the left end of the lateral middle arm 403; the left end of the piston rod of the telescopic drive cylinder 405 is connected to the lateral outer arm The left end of 402; the right end of the cylinder barrel of the telescopic drive cylinder 405 is provided with the second steering sprocket 406, the second steering sprocket 406 is wound with the second chain 407, and one end of the second chain 407 is connected to the lateral inner arm 404 The left end and the other end are connected to the left end of the lateral outer segment arm 402; the lower part of the telescopic drive cylinder 405 is provided with the third steering sprocket 408 installed on the lateral middle segment arm 403, and the third steering sprocket 408 is wound around the third chain. 409, one end of the third chain 409 is connected to the left end of the transverse inner segment arm 404, and the other end is connected to the right end of the transverse outer segment arm 402;

As shown in FIG. 1 , FIG. 2 , and FIG. 6 , the adjustable platform mechanism includes a first connecting rod 501 fixedly connected to the bottom of the right end of the lateral inner segment arm 404 , a first connecting rod 501 located to the left of the first connecting rod 501 and The operation platform body 502 located under the telescopic beam and the parallel four-bar mechanism arranged between the first connecting pole 501 and the operation platform body 502, the right side of the first connecting pole 501 is provided with a left high right low inclined place and The adjustment drive oil cylinder 503 with the piston rod facing the lower right; the cylinder barrel of the adjustment drive oil cylinder 503 is hinged on the upper part of the first connecting rod 501; the right part of the parallel four-bar mechanism is hinged with the piston rod of the adjustment drive oil cylinder 503, the left part is connected with The platform body 502 is hinged;

As shown in FIG. 1 , FIG. 2 , and FIG. 7 , the hydraulic drive device includes a hydraulic pump 601 , a gearbox 602 and a hydraulic oil tank 603 arranged on the frame 1 ; the output shaft of the gearbox 602 is connected to the hydraulic pump 601 The input shaft is connected; the oil inlet of the hydraulic pump 601 is communicated with the oil outlet of the hydraulic oil tank 603; The driving cylinder 503 is communicated.

The utility model realizes the overall rotation of the operation platform through the slewing mechanism; realizes the height adjustment of the operation platform close to the hanging end through the column type lifting mechanism, and the working principle is to use the stroke change of the lifting driving oil cylinder 304 to drive the movement of the first chain 307, The chain sprocket mechanism is used to amplify the small displacement, thereby realizing the purpose of lifting, and the stroke of the telescopic column is changed to 2 meters; The principle is to use the three-stage synchronous telescopic structure to drive the movement of the second chain 407 or the third chain 409 through the change of the extension of the telescopic driving cylinder 405, and then pull the link arm, thereby realizing the change of the lateral distance to adapt to different The row spacing; the adjustment of the position of the operating platform body 502 is realized through the adjustable platform mechanism, and the working principle is to control the movement of the parallel four-bar mechanism by adjusting the driving oil cylinder 503, thereby realizing the rise and fall of the operating platform body 502; The omnidirectional movement of the operating platform provides power. The working principle is that the gearbox 602 is installed in the middle of the frame 1, and the hydraulic pump 601 is flanged to the gearbox 602, and a coupling is used inside the flange to connect the output of the gearbox 602. The shaft and the input shaft of the hydraulic pump 601, the hydraulic pump 601 extracts the hydraulic oil in the hydraulic oil tank 603 to provide power to the entire operation platform.

During operation, the frame 1 is connected to the agricultural machinery (such as an agricultural 50-horsepower tractor) through the suspension mechanism, and the power output shaft of the agricultural machinery is connected to the input shaft of the gearbox 602, and the power of the agricultural machinery is provided by the gearbox 602 for the hydraulic pump 601. Power, the transmission ratio of the gearbox 602 is 0.27, the speed of the input end 540r/min is increased to 2000r/min, and the output is output to the hydraulic pump 601 to provide the hydraulic pump 601 with a pressure of 14Mp; the hydraulic pump 601 controls the valve group through the hydraulic pressure The hydraulic oil in the hydraulic oil tank 603 is respectively transported to the hydraulic motor 201, the lifting driving cylinder 304, the telescopic driving cylinder 405, and the adjusting driving cylinder 503, thereby the hydraulic motor 201, the lifting driving cylinder 304, the telescopic driving cylinder 405, and the regulating driving cylinder The 503 provides the power needed.

When the angle needs to be adjusted, the hydraulic motor 201 drives the pinion gear 203 to rotate, and under the meshing action of the pinion gear 203 and the large gear 204, it drives the vertical rotary shaft 202 to rotate in a certain direction, and then drives the lower flange 205 and the vertical column to lift. The mechanism rotates, thereby realizing the adjustment of the angle of the operating platform.

When the height needs to be raised, the piston rod of the lift driving oil cylinder 304 rises to drive the first steering sprocket 306 and the first chain 307 to rise. Since one end of the first chain 307 is connected to the vertical outer link arm 302, it drives the first chain The other end of 307 and the vertical inner segment arm 303 rise, thereby achieving the purpose of raising the height. When the height needs to be lowered, the lift driving oil cylinder 304 drives the piston rod to descend, and drives the first steering sprocket 306 to descend. At the same time, under the action of gravity, the first chain 307 and the vertical inner arm 303 all descend. The middle of the chain 307 is always in sliding contact with the first steering sprocket 306, thereby achieving the purpose of reducing the height.

The adjustment of the lateral position is completed under the driving of the telescopic driving cylinder 405 . When it needs to be extended, the piston rod of the telescopic driving cylinder 405 is extended. Since the left end of the piston rod is connected to the left end of the lateral outer arm 402, the cylinder of the telescopic driving cylinder 405 moves to the right, driving the second steering sprocket. 406. The second chain 407 moves to the right, because one end of the second chain 407 is connected to the left end of the lateral inner link arm 404 and the other end is connected to the left end of the lateral outer link arm 402, the second chain 407 moves to the right to drive the lateral inner link. The arm 404 moves to the right, thereby realizing the extension of the lateral telescopic mechanism; when it needs to be shortened, the piston rod of the telescopic drive cylinder 405 is retracted, which drives the cylinder of the telescopic drive cylinder 405 to move to the left, and then drives the lateral middle arm 403 Moving to the left, the lateral middle arm 403 moves to the left to drive the third steering sprocket 408 and the third chain 409 to move left, because one end of the third chain 409 is connected to the left end of the lateral inner arm 404, and the other end is connected to At the right end of the lateral outer segment arm 402, the movement of the third chain 409 to the left drives the lateral inner segment arm 404 to move to the left, thereby realizing the shortening of the lateral telescopic mechanism.

The position adjustment of the adjustable platform mechanism is completed under the driving of the adjustment driving oil cylinder 503 . When the operation platform body 502 needs to move upward to the right, the piston rod of the adjustment driving oil cylinder 503 extends out, which drives the connecting rod of the parallel four-bar mechanism to rotate clockwise, and then drives the operation platform body 502 to move upward to the right; when the operation platform body 502 To move to the lower left, adjust the piston rod of the driving oil cylinder 503 to retract, drive the connecting rod of the parallel four-bar mechanism to rotate counterclockwise, and then drive the operating platform body 502 to move to the lower left; thereby realizing the position adjustment of the adjustable platform mechanism.

Under the coordinated action of the slewing mechanism, the column-type lifting mechanism, the horizontal telescopic mechanism, and the adjustable platform mechanism, the full-scale position adjustment of the operating platform body 502 can be completed, so that the operating platform can complete the entire circumference of the two trees at one time. The full range of operations can adapt to orchards with different row spacings. The utility model overcomes the problems that the existing orchard operating platform has low operational flexibility, small operating range, limited lifting range, unsuitability for hills and mountains, and poor versatility.

As shown in FIG. 1 and FIG. 6 , the parallel four-bar mechanism includes an active rod 504, an upper driven rod 505 and a lower driven rod 506, which are hinged to the first connecting rod 501 and are distributed in parallel from top to bottom in order. The right end of the active rod 504 is hinged with the end of the piston rod of the adjustment drive oil cylinder 503, and the left end is hinged to the middle of the upper driven rod 505 through the vertical pull rod 507; the operating platform body 502 is an operating box with an upper opening, The right side of the second connecting rod 508 is fixed, and the left end of the upper driven rod 505 and the left end of the lower driven rod 506 are hinged to the upper part of the second connecting rod 508 .

In this structural design, the height of the operating platform body 502 from the ground can be changed by adjusting the driving cylinder 503 to telescopically drive two sets of parallel four-bar mechanisms.

As shown in FIG. 7 , the hydraulic control valve group includes four valve assemblies, and the four valve assemblies are respectively installed on the oil circuits of the hydraulic motor 201 , the lift drive cylinder 304 , the telescopic drive cylinder 405 , and the adjustment drive cylinder 503 ; The valve assembly includes an electromagnetic reversing valve 604 , a hydraulic lock 605 and a speed regulating valve 606 .

The structural design controls the execution of the action through the electromagnetic reversing valve 604, ensures that the pressure of the execution components does not leak through the hydraulic lock 605, and realizes the ascending or descending speed of the operating platform body 502 of 0.1m/s and 0.075r/s through the speed regulating valve 606. The rotational angular velocity of the utility model is further improved, and the structural reliability of the utility model is further improved.

Between the vertical outer section arm 302 and the vertical middle section arm, between the vertical middle section arm and the vertical inner section arm 303, between the lateral outer section arm 402 and the lateral middle section arm 403, between the lateral middle section arm 403 and the vertical section arm 403 A limiting mechanism is provided between the lateral inner segment arms 404 , and the limiting mechanism includes an inner limiting ring 410 and an outer limiting ring; the inner limiting rings 410 are respectively fixed to the top ends of the inner side walls of the vertical outer segment arms 302 . , the top of the inner side wall of the vertical middle section arm, the right end of the inner side wall of the horizontal outer section arm 402, and the right end of the inner side wall of the transverse middle section arm 403; the outer limit rings are respectively fixed on the bottom end of the outer side wall of the vertical middle section arm , the bottom end of the outer side wall of the vertical inner segment arm 303 , the left end of the outer side wall of the transverse middle segment arm 403 , and the left end of the outer side wall of the transverse inner segment arm 404 .

The limiting mechanism can prevent the disengagement of the segment arm, which further improves the structural reliability of the operating platform.

As shown in FIG. 5 , an installation gap 411 located below is left between the outer side wall of the lateral outer segment arm 402 and the inner side wall of the lateral middle segment arm 403 , and the third chain 409 passes through the outer limit ring and the installation gap 411 , and the end of the third chain 409 is connected to the inner limit ring 410 .

As shown in FIG. 1 and FIG. 3 , two tapered roller bearings 206 distributed up and down are arranged in the middle of the vertical rotary shaft 202 , and a bearing seat 207 is arranged on the outside of the two tapered roller bearings 206 The upper part is flanged to frame 1.

The tapered roller bearing 206 and the bearing seat 207 constitute the rotating pair of the vertical rotating shaft 202 , thereby improving the rotating support effect of the frame 1 on the vertical rotating shaft 202 .

As shown in FIG. 1 and FIG. 2 , the suspension mechanism includes three pairs of suspension lugs 7 distributed in a triangle.

The structural design realizes the connection between the operation platform and the agricultural machinery in a three-point suspension manner, and increases the operation convenience when the operation platform is connected.

The tooth distribution angle of the large gear 204 is 270°.

This structural design realizes the mechanical limit of the operation platform by changing the tooth distribution angle of the large gear 204, so as to prevent the harm caused by operation errors, that is, avoid the injury of the falling objects to the operator on the agricultural machine, and improve the operation platform. safety factor.

In the specific implementation process, the size of the operating platform in the retracted state is 750mm×750mm×1200mm, and the operating platform can carry a weight of 200kg.

The hydraulic oil tank 603 is welded by 3mm thick steel plate, and its size is 950mm×250mm×500mm, which can accommodate 118L of hydraulic oil; the hydraulic pump 601 is a CBF-20 gear pump. The model of the hydraulic motor 201 is GM5-25. The agricultural machine is preferably an agricultural tractor of 50 horsepower, and drives the hydraulic pump 601 to provide a pressure of 14 Mpa. A relief valve 607 is provided on the side of the hydraulic oil tank 603 .

The specification of the vertical rotary shaft 202 is φ117×330mm; the right part of the frame 1 is fixed with a rotary table flange plate 209 horizontally, and the upper part of the bearing seat 207 is fixedly connected to the rotary table flange plate 209 by bolts. The specification of the turntable flange plate 209 is 610 mm×510 mm. A mounting base 208 is horizontally fixed on the front side of the frame 1 , the base of the hydraulic motor 201 is fixedly connected to the mounting base 208 , and the hydraulic motor 201 passes through the mounting base 208 . The lower flange 205 and the upper flange 301 are both square flanges.

The size of the vertical outer arm 302 is 315 mm×315 mm×1550 mm; the size of the vertical middle arm is 307 mm×307 mm×1420 mm; the size of the vertical inner arm 303 is 290 mm×290 mm×1708 mm; The wall thicknesses of the section arm 302 , the vertical middle section arm and the vertical inner section arm 303 are all 3 mm, and between the vertical outer section arm 302 and the vertical middle section arm, the vertical middle section arm and the vertical inner section arm 303 The gaps between the two are all 0.5mm; the model of the lift driving oil cylinder 304 is DG vehicle hydraulic cylinder 50×1000mm. The four ends of the cross-shaped retainer 305 are integrally provided with T-shaped sliding blocks, and the inner sidewall of the vertical inner arm 303 is provided with a T-shaped sliding groove slidably connected with the four T-shaped sliding blocks.

The size of the lateral outer section arm 402 is 254mm×188mm×3080mm; the size of the lateral middle section arm 403 is 250mm×187mm×2400mm; the size of the lateral inner section arm 404 is 204mm×166mm×2400mm; The wall thicknesses of the section arm 403 and the transverse inner section arm 404 are both 3mm, and the gaps between the transverse outer section arm 402 and the transverse middle section arm 403 and between the transverse middle section arm 403 and the transverse inner section arm 404 are both 0.5mm; The model of telescopic drive cylinder 405 is DG vehicle hydraulic cylinder 40×2000mm. The telescopic beam is fixedly connected with the two connecting lugs 401 through two connecting pins 412 distributed left and right. The two connecting lugs 401 are fixedly connected to the vertical inner segment arm 303 through the inverted U-shaped base 413 .

The size of the active rod 504 is 50mm×32mm×865mm; the size of the upper driven rod 505 and the lower driven rod 506 are 50mm×32mm×1265mm; the size of the operating platform body 502 is 700mm×700mm×1200mm; the adjustment drive oil cylinder 503 The model is 40 × 450mm. A hinge seat 509 is fixedly connected to the front side of the first connecting rod 501 , and the cylinder barrel of the adjustment driving oil cylinder 503 is rotatably connected to the hinge seat 509 .

Claims (8)

1. The utility model provides an all-round orchard operation platform of suspension type which characterized in that: comprises a frame (1), a swing mechanism, a column type lifting mechanism, a transverse telescopic mechanism, an adjustable platform mechanism and a hydraulic driving device; a suspension mechanism is arranged at the left part of the frame (1);

the swing mechanism comprises a hydraulic motor (201) and a vertical swing shaft (202), wherein the base is fixedly connected to the rack (1), the vertical swing shaft is positioned on the right side of the hydraulic motor (201), the middle of the vertical swing shaft is rotatably supported on the rack (1), a pinion (203) is fixedly assembled on an output shaft of the hydraulic motor (201), a bull gear (204) meshed with the pinion (203) is fixedly assembled at the bottom of the vertical swing shaft (202), and a lower flange plate (205) is horizontally fixed at the top of the vertical swing shaft;

the column type lifting mechanism comprises an upper flange plate (301) which is positioned at the bottom and fixedly connected with a lower flange plate (205), a telescopic column is arranged at the upper side of the upper flange plate (301), the bottom of the telescopic column is fixed with the upper flange plate, and the telescopic column consists of a vertical outer knuckle arm (302), a vertical middle knuckle arm and a vertical inner knuckle arm (303) which are sequentially sleeved from bottom to top; a lifting driving oil cylinder (304) with an upward piston rod is arranged in an inner cavity of the telescopic upright post, the bottom of a cylinder barrel of the lifting driving oil cylinder (304) is connected to the vertical outer knuckle arm (302), and a cross-shaped retainer (305) which is in sliding connection with the vertical inner knuckle arm (303) is horizontally fixed in the middle of the cylinder barrel; an I-shaped steering chain wheel (306) is arranged at the top of a piston rod of the lifting driving oil cylinder (304), an I-shaped chain (307) is wound on the I-shaped steering chain wheel (306), one end of the I-shaped chain (307) is connected to the bottom end of the vertical inner knuckle arm (303), and the other end of the I-shaped chain is connected to the bottom end of the vertical outer knuckle arm (302);

the transverse telescopic mechanism comprises two connecting lug plates (401) which are fixedly connected to the top end of the vertical inner knuckle arm (303) and distributed in parallel from front to back, a transversely placed telescopic cross beam is fixedly connected between the two connecting lug plates (401), and the telescopic cross beam is composed of a transverse outer knuckle arm (402), a transverse middle knuckle arm (403) and a transverse inner knuckle arm (404) which are sequentially sleeved from left to right; a telescopic driving oil cylinder (405) with a piston rod facing left is arranged in an inner cavity of the telescopic cross beam, and the left end part of a cylinder barrel of the telescopic driving oil cylinder (405) is connected with the left end part of the transverse middle-section arm (403); the left end of a piston rod of the telescopic driving oil cylinder (405) is connected with the left end of the transverse outer knuckle arm (402); a second steering chain wheel (406) is arranged at the right end part of the cylinder barrel of the telescopic driving oil cylinder (405), a second chain (407) is wound on the second steering chain wheel (406), one end of the second chain (407) is connected to the left end of the transverse inner knuckle arm (404), and the other end of the second chain is connected to the left end of the transverse outer knuckle arm (402); a III steering chain wheel (408) arranged on the transverse middle knuckle arm (403) is arranged below the telescopic driving oil cylinder (405), a III chain (409) is wound on the III steering chain wheel (408), one end of the III chain (409) is connected to the left end of the transverse inner knuckle arm (404), and the other end of the III chain (409) is connected to the right end of the transverse outer knuckle arm (402);

the adjustable platform mechanism comprises an I-shaped connecting vertical rod (501) fixedly connected to the bottom of the right end of the transverse inner knuckle arm (404), an operating platform body (502) which is positioned on the left of the I-shaped connecting vertical rod (501) and is positioned below the telescopic cross beam, and a parallel four-bar mechanism arranged between the I-shaped connecting vertical rod (501) and the operating platform body (502), wherein an adjusting driving oil cylinder (503) which is obliquely arranged in a left-high-right-low mode and has a piston rod facing to the right is arranged on the right side of the I-shaped connecting vertical rod (501); the cylinder barrel of the adjusting driving oil cylinder (503) is hinged to the upper part of the I-shaped connecting vertical rod (501); the right part of the parallel four-bar mechanism is hinged with a piston rod of an adjusting driving oil cylinder (503), and the left part of the parallel four-bar mechanism is hinged with an operation platform body (502);

the hydraulic driving device comprises a hydraulic pump (601), a gearbox (602) and a hydraulic oil tank (603) which are arranged on the frame (1); an output shaft of the gearbox (602) is connected with an input shaft of the hydraulic pump (601); an oil inlet of the hydraulic pump (601) is communicated with an oil outlet of the hydraulic oil tank (603); an oil outlet of the hydraulic pump (601) is respectively communicated with the hydraulic motor (201), the lifting driving oil cylinder (304), the telescopic driving oil cylinder (405) and the adjusting driving oil cylinder (503) through a hydraulic control valve group.

2. The all-round orchard operation platform of suspension type of claim 1, characterized in that: the parallel four-bar mechanism comprises a driving rod (504), an upper driven rod (505) and a lower driven rod (506), which are hinged to the I-th connecting vertical rod (501) and sequentially distributed in parallel from top to bottom; the right end part of the driving rod (504) is hinged with the end part of a piston rod of the adjusting driving oil cylinder (503), and the left end part is hinged with the middle part of the upper driven rod (505) through a vertical pull rod (507); the operation platform body (502) is an operation frame with an opening at the upper part, a second connecting vertical rod (508) is fixed on the right side of the operation platform body, and the left end part of the upper driven rod (505) and the left end part of the lower driven rod (506) are hinged to the upper part of the second connecting vertical rod (508).

3. The all-round orchard operation platform of suspension type of claim 1, characterized in that: the hydraulic control valve group comprises four valve assemblies, and the four valve assemblies are respectively arranged on oil paths of a hydraulic motor (201), a lifting driving oil cylinder (304), a telescopic driving oil cylinder (405) and an adjusting driving oil cylinder (503); the valve assembly comprises an electromagnetic directional valve (604), a hydraulic lock (605) and a speed regulating valve (606).

4. The all-round orchard operation platform of suspension type of claim 1, characterized in that: limiting mechanisms are arranged between the vertical outer joint arm (302) and the vertical middle joint arm, between the vertical middle joint arm and the vertical inner joint arm (303), between the transverse outer joint arm (402) and the transverse middle joint arm (403), and between the transverse middle joint arm (403) and the transverse inner joint arm (404), and each limiting mechanism comprises an inner limiting ring (410) and an outer limiting ring; the inner limiting ring (410) is respectively fixed at the top end of the inner side wall of the vertical outer knuckle arm (302), the top end of the inner side wall of the vertical middle knuckle arm, the right end of the inner side wall of the transverse outer knuckle arm (402) and the right end of the inner side wall of the transverse middle knuckle arm (403); the outer limiting ring is respectively fixed at the bottom end of the outer side wall of the vertical middle-section arm, the bottom end of the outer side wall of the vertical inner-section arm (303), the left end of the outer side wall of the transverse middle-section arm (403) and the left end of the outer side wall of the transverse inner-section arm (404).

5. The all-round orchard operation platform of suspension type of claim 4, characterized in that: an installation gap (411) located below is reserved between the outer side wall of the transverse outer section arm (402) and the inner side wall of the transverse middle section arm (403), the III chain (409) penetrates through the outer limiting ring and the installation gap (411), and the end part of the III chain (409) is connected to the inner limiting ring (410).

6. The all-round orchard operation platform of suspension type of claim 1, characterized in that: two tapered roller bearings (206) which are distributed up and down are arranged in the middle of the vertical rotating shaft (202), a bearing seat (207) is arranged outside the two tapered roller bearings (206), and the upper part of the bearing seat (207) is connected with the frame (1) through a flange.

7. The all-round orchard operation platform of suspension type of claim 1, characterized in that: the suspension mechanism comprises three pairs of suspension ear plates (7) which are distributed in a triangular manner.

8. The all-round orchard operation platform of suspension type of claim 1, characterized in that: the tooth distribution angle of the large gear (204) is 270 degrees.

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