Lifting bar type multifunctional hay rake

Abstract

The utility model relates to the technical field of agricultural machinery, and discloses a lifting bar type multifunctional hayrake which comprises a traction rotary support and a traction beam, a connecting support is arranged at the other end of the traction beam, telescopic frames are arranged at the left end and the right end of the connecting support respectively, a positioning support is arranged at the outer end of the telescopic beam, and a swing support is hinged to the positioning support. A first hydraulic oil cylinder is arranged on the positioning support, a lifting support is arranged on the swing support, connecting rod lifting adjusting mechanisms are arranged at the front end and the rear end of the swing support respectively, and a grass raking mechanism is arranged on the lifting support. The hay raking mechanism is high in applicability, various hay raking modes can be switched, the hay raking mechanism can carry out hay raking work conveniently according to the traction direction by connecting the traction rotation support and the traction beam in a matched mode to the power vehicle, and the telescopic frame, the swing support and the lifting support are matched. The swing support is controlled by the first hydraulic oil cylinder, and the lifting support is controlled by the connecting rod lifting adjusting mechanism, so that switching of multiple operation modes is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, and specifically is a kind of multi-functional raking machine of lifting fence. BACKGROUND

[0002] Raking machine is used to raking long strip of grass into long strip of grass that is scattered in field;The purpose of raking is to collect the scattered grass in field, and then facilitate long strip of grass that is integrated to be quickly collected and baled by grass baling machinery, improve the collection and processing efficiency of scattered grass in field.

[0003] In modern agricultural production, the harvesting and collection of grass is an important work link.However, the traditional grass raking equipment has many problems, which limits its effect in practical application, first, the existing grass raking equipment usually adopts fixed raking mechanism, which cannot be adjusted according to different working conditions, which leads to very limited application range, for example, when facing different density of grass or uneven ground, the fixed raking mechanism is difficult to achieve ideal raking effect;Secondly, the traditional raking machine can only carry out single raking operation, lacks multifunctionality, which means that the utilization rate of equipment is low, and users need to purchase multiple equipment to complete different work tasks, which increases production cost;In addition, the existing raking machine is not flexible enough in the conversion between road transportation and field operation, and most of the equipment needs to spend a lot of time and energy to convert mode, which affects the work efficiency.At the same time, these equipment usually cannot adjust the work width according to the work demand, and it is difficult to meet the raking demand of different density of grass.

[0004] In summary, the existing grass raking equipment has poor applicability, low work efficiency, insufficient multifunctionality and inconvenient mode conversion and other problems.These problems seriously limit the efficiency and flexibility of grass raking operation, and a new type of raking machine is needed to solve these problems. UTILITY MODEL CONTENT

[0005] The utility model aims at above problem and provides a kind of multi-functional raking machine of lifting fence with strong applicability and can switch various modes.

[0006] The utility model discloses a kind of column type multifunctional raking machines to achieve the above-mentioned purpose, including traction swivel bracket and the traction beam of being fixedly connected in inclined state on traction swivel bracket, its structural features are, another end of traction beam is provided with connecting bracket, left and right ends of connecting frame are respectively provided with telescopic frame that is telescopic along left and right directions, the outer end of telescopic beam is provided with the positioning bracket that is set along vertical direction, the positioning bracket is hinged with swing bracket, first hydraulic cylinder that controls swing bracket swing is equipped on the positioning bracket, swing bracket is provided with lifting bracket, the connecting rod lifting adjustment mechanism of lifting bracket is respectively equipped in the front and back ends of swing bracket, raking mechanism is provided on the lifting bracket.

[0007] After using the above structure, by traction swivel bracket and traction beam are connected on power vehicle in cooperation, it is convenient for raking mechanism to carry out raking work according to traction direction, and telescopic frame, swing bracket and lifting bracket cooperate, swing bracket is controlled by first hydraulic cylinder and connecting rod lifting adjustment mechanism controls lifting bracket, then the conversion of multiple operation modes is realized, so that user can flexibly adjust the attitude and height of equipment according to different operation needs, so as to realize raking, spreading grass and multiple operation functions, and greatly improve the multifunctionality and utilization rate of equipment.

[0008] Preferably, connecting bracket includes mounting seat fixedly connected to the end of traction beam, and two fixed cross beams are provided on the mounting seat, the two fixed cross beams are located at the same horizontal height and are arranged along the left and right directions and perpendicular to the traction direction, the fixed cross beam is a square tube structure, the telescopic frame is sleeved in the square tube and slides along the length direction of the fixed cross beam. By mounting the two fixed cross beams on the mounting seat in the horizontal direction, the stability of the connecting bracket is effectively improved and deformation is not easy, and the square tube structure of the fixed cross beam is more convenient for sleeving the telescopic frame and facilitating the smooth movement of the telescopic frame.

[0009] Preferably, the telescopic frame includes two extension beams slidably connected in the two fixed cross beams, the outer ends of the two extension beams are provided with a connecting seat connecting the two extension beams, a double-rod oil cylinder parallel to the two fixed cross beams is provided on the mounting seat between the two fixed cross beams, and the piston rod ends of the two ends of the double-rod oil cylinder are fixed on the connecting seats of the telescopic frames at the left and right ends of the fixed cross beams. By connecting the connecting seats of the telescopic frames at the left and right ends of the fixed cross beams on the two ends of the double-rod oil cylinder, the telescopic frame on one side can be controlled to extend to the outer end of the fixed cross beam, and the telescopic frames on both sides of the fixed cross beam can be controlled to extend to the outer end simultaneously.

[0010] Preferably, the positioning support comprises a support beam arranged in vertical direction, and the lower end of the support beam is provided with two staggered guide wheels, the moving direction of the two guide wheels is consistent with the traction direction, the support beam above the upper part of the two guide wheels is provided with a hinge seat matched with the swing support, the hinge seat is arranged on the outer end face of the end of the support beam away from the traction beam, and one end of the first hydraulic oil cylinder is arranged on the hinge seat and the other end is arranged on the swing support. Through the two staggered guide wheels, the device can effectively adapt to complex working environment and keep stable forward movement when facing uneven ground.

[0011] Preferably, the swing support comprises a horizontal beam arranged in horizontal direction and hinged in the middle part of the positioning support, and vertical beams are fixedly connected to the front and rear ends of the horizontal beam in vertical direction. Through the frame structure of the swing support, the lifting support is installed on the frame and matched with the first hydraulic oil cylinder, the opening and closing state of the lifting support can be effectively controlled, so as to adjust the angle of the raking device in the raking state.

[0012] Preferably, the first hydraulic oil cylinder is arranged in horizontal direction, the driving end of the piston rod of the first hydraulic oil cylinder is hinged to the upper part of the swing support, and the other end of the first hydraulic oil cylinder is hinged to the hinge seat. Through the first hydraulic oil cylinder, the swing angle of the swing support on the positioning support can be controlled.

[0013] Preferably, the lifting support is a rectangular frame structure, the connecting rod lifting adjusting mechanism comprises a first connecting rod hingedly connected to the upper part of the swing support and the upper part of the lifting support at two ends respectively, a second connecting rod hingedly connected to the lower part of the swing support and the lower part of the lifting support at two ends respectively, a third connecting rod hingedly connected to the swing support on the lower side of the first connecting rod and the upper side of the second connecting rod and having the same swing direction as the first connecting rod and the second connecting rod, a fourth connecting rod hingedly connected to the other end of the third connecting rod and hingedly connected to the middle part of the second connecting rod at the other end, and a second hydraulic oil cylinder hingedly connected to the middle part of the third connecting rod and hingedly connected to the swing support on the upper side of the second connecting rod at the other end. Through the cooperation of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the lifting support is precisely controlled, the setting of the second hydraulic oil cylinder makes the height adjustment of the lifting support more stable and accurate, and ensures the collection and arrangement effect of the pasture during operation. Through the rectangular frame structure of the lifting support, the stability and carrying capacity are high.

[0014] Preferably, the raking mechanism comprises hexagonal star discs rotatably connected to the front and rear ends of the lifting support, the six corners of the hexagonal star discs are provided with movable ball heads, the movable ball heads corresponding to each other of the two hexagonal star discs are connected by a raking connecting rod, the raking connecting rod is connected to the movable ball head through a ball head sleeve at both ends, a plurality of raking spring teeth are arranged on each raking connecting rod at intervals, and one end of the lifting support is further provided with a hydraulic motor for controlling the rotation of the hexagonal star disc. The raking mechanism is designed through the hexagonal star disc, so that the raking connecting rod can effectively collect and arrange the grass during rotation. The plurality of raking spring teeth arranged on each raking connecting rod at intervals can better grasp and comb the grass, thereby improving the raking effect.

[0015] Preferably, the front and rear ends of the lower part of the lifting support are respectively provided with depth limiting wheels. The depth limiting wheels can effectively support the lifting support during the raking process of the raking mechanism.

[0016] In summary, the utility model has the advantages that the utility model has strong applicability and can switch various raking modes, is connected to a power vehicle through cooperation of the traction swivel support and the traction beam, facilitates the raking mechanism to perform raking work according to the traction direction, and cooperation of the telescopic support, the swing support and the lifting support realizes the conversion of multiple operation modes through control of the swing support by the first hydraulic oil cylinder and control of the lifting support by the connecting rod lifting adjusting mechanism, so that the user can flexibly adjust the posture and height of the equipment according to different operation requirements, thereby realizing various operation functions such as raking and spreading grass and greatly improving the multifunctionality and utilization rate of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the utility model as a whole;

[0018] Figure 2 It is a structure schematic view of the utility model from the side;

[0019] Figure 3 It is a structure schematic view of the connecting rod lifting adjusting mechanism of the utility model;

[0020] Figure 4 It is a structure schematic view of the raking mechanism of the utility model;

[0021] Figure 5 It is a structure schematic view of the utility model when the two ends of the double-rod oil cylinder are retracted;

[0022] Figure 6 It is a structure schematic view of the utility model when the double-rod oil cylinder is extended at one end to a raking state;

[0023] Figure 7 It is a structure schematic view of the utility model when the double-rod oil cylinder is extended at one end to a raking state.

[0024] In the figure: 1, traction swivel support; 2, traction beam; 3, connecting support; 4, telescopic support; 5, positioning support; 6, swing support; 7, first hydraulic oil cylinder; 8, lifting support; 9, connecting rod lifting adjusting mechanism; 10, raking mechanism; 11, mounting seat; 12, fixed cross beam; 13, extension beam; 14, connecting seat; 15, double-outlet rod oil cylinder; 16, support beam; 17, guide wheel; 18, hinged seat; 19, cross beam; 20, vertical beam; 21, first connecting rod; 22, second connecting rod; 23, third connecting rod; 24, fourth connecting rod; 25, second hydraulic oil cylinder; 26, hexagonal star disc; 27, raking connecting rod; 28, raking spring tooth; 29, hydraulic motor; 30, depth limiting wheel. DETAILED DESCRIPTION

[0025] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0026] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The following is a description of the preferred embodiments of the present application in conjunction with the accompanying drawings.

[0029] As Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, this utility model includes a traction slewing bracket 1 and a traction beam 2 fixedly connected to the traction slewing bracket 1 in an inclined manner. The traction slewing bracket 1 and the traction beam 2 are connected to the power vehicle through cooperation, which facilitates the hay-raking mechanism 10 to perform hay-raking work according to the traction direction. Usually, the traction beam 2 is equipped with a traction cylinder to control the lifting and lowering of the outer end of the traction beam 2. Of course, a jack can be used to lift the traction beam 2. A hydraulic pump can also be installed on the traction slewing bracket 1 to drive the hydraulic cylinder and hydraulic motor in this utility model. Alternatively, the hydraulic pump can be installed on the front drive vehicle. The structure of the traction slewing bracket 1, the traction beam 2, and the hydraulic pump are known structures and will not be described in detail here. A connecting bracket 3 is provided at the end of the traction beam 2 away from the traction slewing bracket 1. The left and right ends of the connecting bracket are respectively provided with... The telescopic frame 4, which extends and retracts in the left and right directions, is designed such that the connecting bracket 3 includes a mounting base 11 fixed to the end of the traction beam 2. Two fixed crossbeams 12 are provided on the mounting base 11 at intervals. The two fixed crossbeams 12 are located at the same horizontal height and are set in the left and right direction and perpendicular to the traction direction. The fixed crossbeams 12 are square tube structures, so that the telescopic frame 4 can slide along the length direction of the fixed crossbeams 12 when it is sleeved in the square tube. The two fixed crossbeams 12 are installed on the mounting base 11 in the horizontal direction, which effectively improves the stability of the connecting bracket 3 and makes it less prone to deformation. The square tube structure of the fixed crossbeams 12 is more convenient for sleeved telescopic frame 4 and facilitates the smooth movement of telescopic frame 4. Of course, the two fixed crossbeams 12 can also be set vertically and not on the same horizontal plane, which also facilitates the installation and maintenance of the staff.

[0030] like Figure 1 , Figure 5 , Figure 6 as well as Figure 7 As shown, in a preferred embodiment of this utility model, the telescopic frame 4 includes two extension beams 13 slidably connected within two fixed crossbeams 12. Each extension beam 13 is also a square tubular structure and is installed within the fixed crossbeams 12. Connecting seats 14 are provided at the outer ends of the two extension beams 13. Simultaneously, a double-rod hydraulic cylinder 15, parallel to the two fixed crossbeams 12, is provided on the mounting seat 11 between the two fixed crossbeams 12. The piston rod ends of the double-rod hydraulic cylinder 15 are respectively fixed to the connecting seats 14 at the left and right ends of the telescopic frame 4 on the fixed crossbeams 12. Thus, the two extension beams 13 are connected by the connecting seats 14 to form an integral structure. By pushing with the double-rod hydraulic cylinder 15, the telescopic frames 4 at both ends of the connecting frame can extend outwards simultaneously, or one side of the telescopic frame 4 can be controlled to extend outwards towards the fixed crossbeam 12.

[0031] like Figure 1 - Figure 5As shown, in another preferred embodiment of the utility model, the connecting seat 14 on the outer end of telescopic beam is fixedly connected with a positioning support 5 arranged in vertical direction, the positioning support 5 is hingedly connected with a swing support 6, the positioning support 5 is provided with a first hydraulic cylinder 7 for controlling the swing of swing support 6, and the positioning support 5 comprises a support beam 16 arranged in vertical direction, and the lower end of support beam 16 is provided with two staggered guide wheels 17, so that the two staggered guide wheels 17 can effectively adapt to complex working environment and keep the stable progress of the device when facing the uneven ground, and provide stable support for the whole device, the movement direction of two guide wheels 17 is consistent with the traction direction, the swing support 6 is matched with a hinged seat 18 arranged on the upper part of support beam 16, the hinged seat 18 is arranged on the outer end face of the end of support beam 16 away from traction beam 2, one end of the first hydraulic cylinder 7 is installed on the hinged seat 18 and the other end is arranged on the swing support 6, the first hydraulic cylinder 7 is usually arranged on the front side of the hinged seat 18 and the hinged part of swing support 6 during manufacturing, the length of swing support 6 is greater than the width of support beam 16, the hinged seat 18 is hinged with the middle part of swing support 6, the first hydraulic cylinder 7 is arranged in horizontal direction, the driving end of the piston rod of first hydraulic cylinder 7 is hinged on the upper part of swing support 6 close to the front end, and the other end of first hydraulic cylinder 7 is hinged on the hinged seat 18, so that the swing angle of swing support 6 on the positioning support 5 can be controlled by the first hydraulic cylinder 7.

[0032] As Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, in the preferred embodiment of the utility model, the swing support 6 comprises a crossbeam 19 arranged along the horizontal direction and hinged in the middle to the hinge seat 18, vertical beams 20 downward along the vertical direction are fixed to the front and rear ends of the crossbeam 19, and a lifting support 8 is arranged on the swing support 6, wherein the front and rear ends of the swing support 6 are respectively provided with connecting rods lifting adjusting mechanisms 9 connected to the lifting support 8, so that the frame structure of the swing support 6 and the lifting support 8 installed on the frame and matched with the first hydraulic oil cylinder 7 can effectively realize the control of the opening and closing state of the lifting support 8, thereby adjusting the angle of the raking state of the raking device. When designing, the lifting support 8 is a rectangular frame structure, the connecting rods lifting adjusting mechanism 9 comprises a first connecting rod 21 hinged at both ends to the crossbeam 19 of the swing support 6 and hinged to the upper part of the lifting support 8, a second connecting rod 22 hinged at both ends to the lower part of the vertical beam 20 and hinged to the lower part of the lifting support 8, a third connecting rod 23 hinged to the vertical beam 20 on the lower side of the first connecting rod 21 and the upper side of the second connecting rod 22 and having the same swing direction as the first connecting rod 21 and the second connecting rod 22, a fourth connecting rod 24 hinged at the other end of the third connecting rod 23 and hinged at the middle part of the second connecting rod 22, and a second hydraulic oil cylinder 25 hinged at the middle part of the third connecting rod 23 through a long circular hole, the other end of the second hydraulic oil cylinder 25 is hinged to the swing support 6 on the upper side of the second connecting rod 22. When manufacturing, the second connecting rod 22, the third connecting rod 23 and the fourth connecting rod 24 are usually arranged in the same vertical plane, so that the precise control of the lifting support 8 is realized through the mutual cooperation of the first connecting rod 21, the second connecting rod 22, the third connecting rod 23 and the fourth connecting rod 24, and the setting of the second hydraulic oil cylinder 25 makes the height adjustment of the lifting support 8 more stable and accurate, ensuring the collection and arrangement effect of the pasture during the operation process. Similarly, the lifting support 8 adopts a rectangular frame structure, which can have high stability and carrying capacity, so that the raking mechanism 10 is conveniently installed.

[0033] As Figure 2 、 Figure 4 and Figure 6As shown, in another preferred embodiment of the utility model, a raking mechanism 10 is arranged on the lifting support 8, the raking mechanism 10 comprises hexagonal star discs 26 rotatably connected to the front and rear ends of the lifting support 8, and movable ball heads are arranged on the six corners of the hexagonal star discs 26, wherein the movable ball heads corresponding to each other between the two hexagonal star discs 26 are connected with a raking connecting rod 27, the two ends of the raking connecting rod 27 are connected with the movable ball heads through the arrangement of ball head sleeves, and a plurality of raking spring teeth 28 are arranged on each raking connecting rod 27 at intervals, and a hydraulic motor 29 for controlling the rotation of the hexagonal star disc 26 is further arranged on one end of the lifting support 8. In this way, the design of the raking mechanism 10 through the hexagonal star disc 26 can effectively collect and arrange the grass in the rotating process of the raking connecting rod 27, and the plurality of raking spring teeth 28 arranged on each raking connecting rod 27 at intervals can better grasp and comb the grass, thereby improving the raking effect. Of course, the above-mentioned raking mechanism 10 is the same as part of the structure in the raking machine for collecting grass with the patent number "202320032047.0", and details are not repeated here, and depth limiting wheels 30 are arranged at the front and rear ends of the lower part of the lifting support 8, respectively. The arrangement of the depth limiting wheels 30 can effectively provide support for the lifting support 8 during the raking process of the raking mechanism 10.

[0034] As Figure 5 - Figure 7 As shown, when the raking machine needs to be moved and does not need to work, the traction rotary support 1 is installed on the working vehicle, at this time, the double-rod oil cylinder 15 is in the state of retracting the piston rod, at the same time, the positioning support 5 on both sides of the fixed cross beam 12 is in the state of folding, and the lifting support 8 on the two swing supports 6 is in the parallel state, in this state, the raking machine occupies the smallest horizontal space and is more convenient to move; when the raking machine needs to work, the traction beam 2 is lifted by the traction oil cylinder, and at the same time, according to the needs of the working environment, the two end piston rods of the double-rod oil cylinder 15 can be controlled to extend outward or the piston rod of one end of the double-rod oil cylinder 15 can be controlled to extend outward, at this time, the outwardly extending positioning support 5 controls the outward extension of the swing support 6, the lifting support 8 and the raking mechanism 10 on the body, at the same time, the first hydraulic oil cylinder 7 controls the swing of the swing support 6 to adjust the lifting support 8 to the appropriate angle, and the second hydraulic oil cylinder 25 of the connecting rod lifting adjusting mechanism 9 places the raking mechanism 10 on the lifting support 8 to the appropriate position, so that the raking or spreading work can be started, and when the opened mechanism needs to be retracted, the second hydraulic oil cylinder 25, the first hydraulic oil cylinder 7 and the double-rod oil cylinder 15 can be retracted to complete the retraction.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalent replacements; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A multi-functional raking machine with lifting bars, comprising a towing rotary support (1) and a towing beam (2) fixedly connected to the towing rotary support (1) in an inclined manner, characterized in that: Another end of the traction beam (2) is provided with a connecting support (3), left and right ends of the connecting support are respectively provided with telescopic supports (4) which can extend and retract along the left-right direction, outer ends of the telescopic supports are provided with positioning supports (5) which are arranged along the vertical direction, the positioning supports (5) are hingedly connected with swing supports (6), the positioning supports (5) are provided with first hydraulic oil cylinders (7) which control swinging of the swing supports (6), the swing supports (6) are provided with lifting supports (8), left and right ends of the swing supports (6) are respectively provided with connecting rods lifting adjusting mechanisms (9) which are connected to the lifting supports (8), the lifting supports (8) are provided with raking mechanisms (10).

2. The column-type multifunctional raking machine according to claim 1, characterized in that: The connecting support (3) comprises a mounting seat (11) which is fixed to the end of the traction beam (2) and is provided with two fixed cross beams (12) which are arranged at intervals, the two fixed cross beams (12) are located at the same horizontal height and are arranged along the left-right direction and are perpendicular to the traction direction, the fixed cross beam (12) is a square tube structure, the telescopic support (4) is sleeved in the square tube and slides along the length direction of the fixed cross beam (12).

3. The column-type multifunctional raking machine according to claim 2, characterized in that: The telescopic support (4) comprises two extension beams (13) which are respectively slidably connected in the two fixed cross beams (12), outer ends of the two extension beams (13) are provided with a connecting seat (14) which connects the two extension beams (13), the mounting seat (11) between the two fixed cross beams (12) is provided with a double-rod oil cylinder (15) which is parallel to the two fixed cross beams (12), piston rod ends of both ends of the double-rod oil cylinder (15) are respectively fixed to the connecting seat (14) of the telescopic support (4) at the left and right ends of the fixed cross beam (12).

4. The column-type multifunctional raking machine according to claim 1, characterized in that: The positioning support (5) comprises a support beam (16) which is arranged along the vertical direction and is provided with two staggered guide wheels (17) at the lower end of the support beam (16), the movement direction of the two guide wheels (17) is consistent with the traction direction, the support beam (16) above the two guide wheels (17) is provided with a hinged seat (18) which cooperates with the swing support (6), the hinged seat (18) is arranged on the outer end face of the end of the support beam (16) which is away from the traction beam (2), one end of the first hydraulic oil cylinder (7) is mounted on the hinged seat (18) and the other end is arranged on the swing support (6).

5. The column-type multifunctional raking machine according to claim 1, characterized in that: The swing support (6) comprises a cross beam (19) which is arranged along the horizontal direction and is hingedly connected to the positioning support (5) at the middle part, front and rear ends of the cross beam (19) are fixedly connected with vertical beams (20) which are downward along the vertical direction.

6. The column-type multifunctional raking machine according to claim 4, characterized in that: The first hydraulic oil cylinder (7) is arranged along the horizontal direction, a driving end of the piston rod of the first hydraulic oil cylinder (7) is hingedly connected to the upper part of the swing support (6), the other end of the first hydraulic oil cylinder (7) is hingedly connected to the hinged seat (18).

7. The column-type multifunctional raking machine according to claim 1, characterized in that: The lifting support (8) is a rectangular frame structure, the connecting rod lifting adjusting mechanism (9) comprises a first connecting rod (21) hingedly connected at two ends to the upper part of the swing support (6) and to the upper part of the lifting support (8), and a second connecting rod (22) hingedly connected at two ends to the lower part of the swing support (6) and to the lower part of the lifting support (8), the swing support (6) is hingedly connected at the lower side of the first connecting rod (21) and the upper side of the second connecting rod (22) with a third connecting rod (23) which swings in the same direction as the first connecting rod (21) and the second connecting rod (22), the other end of the third connecting rod (23) is hingedly connected with a fourth connecting rod (24) and the other end of the fourth connecting rod (24) is hingedly connected to the middle part of the second connecting rod (22), the middle part of the third connecting rod (23) is hingedly connected with a second hydraulic oil cylinder (25) and the other end of the second hydraulic oil cylinder (25) is hingedly connected to the swing support (6) on the upper side of the second connecting rod (22).

8. The column-type multifunctional raking machine according to claim 1, characterized in that: The raking mechanism (10) comprises a hexagonal star disc (26) rotatably connected to the front and rear ends of the lifting support (8), the six corner tips of the hexagonal star disc (26) are provided with movable ball heads, the movable ball heads corresponding to each other between the two hexagonal star discs (26) are connected with a raking connecting rod (27), the two ends of the raking connecting rod (27) are connected with the movable ball heads through the setting of ball head sleeves, a plurality of raking spring teeth (28) are arranged on each raking connecting rod (27) at intervals, and a hydraulic motor (29) for controlling the rotation of the hexagonal star disc (26) is further arranged on one end of the lifting support (8).

9. The column-type multifunctional raking machine according to claim 1, characterized in that: Limited depth wheels (30) are arranged at the front and rear ends of the lower part of the lifting support (8) respectively.

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