Guardrail green plant double-sided pruning machine tool

Abstract

The invention relates to the technical field of trimming equipment, in particular to a guardrail green plant double-sided trimming machine tool which comprises a machine tool connecting base arranged on a greening comprehensive maintenance vehicle, a cantilever beam is connected to the middle of one side of the machine tool connecting base in an elastic reset mode, and a framework is connected to one end of the cantilever beam in an elastic reset mode. The change angle of the cantilever beam is adjusted to enable one side of the framework to be attached to the periphery of the guardrail green plant, and the two rotating assemblies are arranged in a staggered mode; the framework can be attached to the outer side of a guardrail on a green belt to move by extruding and adjusting the swing angle of the cantilever beam, shrubs extending out of the guardrail of the green belt can be trimmed by synchronously driving the rotating assembly to rotate, so that the shrubs located above and on the side edges of the guardrail can be leveled and trimmed, the integrity during trimming is improved, and the trimming efficiency is improved. Therefore, the trimming efficiency of green plants and shrubs outside the guardrail is effectively improved, the safety of the greening comprehensive maintenance truck during operation is improved, and the influence on traffic is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of pruning equipment, and in particular to a double-sided pruning tool for guardrail green plants. Background Art

[0002] In the actual work process, greening comprehensive maintenance vehicles, especially in the pruning operations of isolation green belts on expressways, national highways and provincial roads, often encounter sections of roads with small shrubs growing under the guardrails of the middle green belts. Since the small shrubs under these guardrails need to be pruned every year, the pruning height is controlled within 10 cm outside the guardrail, and side pruning requires that the green plants be controlled within the curb.

[0003] In the process of pruning shrubs in green belts, the following problems usually occur. For example, publication number CN114467535B discloses a highway central dividing strip greening pruning device and pruning method, wherein the highway central dividing strip greening pruning device comprises a waist-shaped shell, a pruning component, a cleaning component, a slag removal component and a flushing component, wherein the cleaning component is installed at the bottom of the waist-shaped shell, and the slag removal component is arranged at the rear side of the waist-shaped shell; the highway central dividing strip greening pruning device provided by the patent starts the driving motor to drive the connected rotating shaft to rotate, so that the rotating chain drives the outer cutting teeth to form an electric saw structure and prunes the green plants. Although the patent can effectively clean the guardrail and improve the aesthetics of the green belt, the problem of incomplete pruning and low efficiency still exists. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide a double-sided pruning machine for guardrail green plants to solve the problem of incomplete pruning and low efficiency.

[0005] Based on the above-mentioned purpose, the present invention provides a double-sided pruning machine for guardrails and green plants, including: a machine connecting seat arranged on a comprehensive greening maintenance vehicle, the middle part of one side of the machine connecting seat is elastically reset and connected to a cantilever beam, one end of the cantilever beam is elastically reset and connected to a frame, and the variable angle of the cantilever beam is adjusted so that one side of the frame fits the periphery of the guardrail and green plants; a movable knife seat is telescopically adjustable near one end of one side of the frame, a first hydraulic motor is fixedly installed at one end of the movable knife seat, and a second hydraulic motor is fixedly installed above the periphery of the frame near one end, the output ends of the first hydraulic motor and the second hydraulic motor are both extended into the frame to be provided with a rotating assembly, and the two rotating assemblies are staggered; brackets are fixedly installed at both ends of the side of the frame away from the cantilever beam, and rollers are rotatably installed inside the two brackets.

[0006] Preferably, the rotating assembly includes: a cutter hub, and a plurality of blades are fixedly mounted on one side of the cutter hub around the periphery, and the plurality of blades are used to cut bushes outside the guardrail.

[0007] Preferably, a first spring is fixedly installed on an end portion of one side of the tool connecting seat, one end of the first spring is fixedly installed on one side of the cantilever beam, a second spring is fixedly installed in the middle of one side of the cantilever beam, one end of the second spring is fixedly connected to the frame, a third spring is fixedly installed in the middle of the other side of the cantilever beam, one end of the third spring is fixedly connected to the frame, and the second spring and the third spring are respectively located on two sides of the cantilever beam, and the second spring and the third spring are colinearly arranged.

[0008] Preferably, a limit block is fixedly installed inside the tool connecting seat, and the limit block is located on one side of the first spring.

[0009] Preferably, a connecting pin is inserted above the machine connection seat, and the bottom end of the connecting pin is inserted into the machine connection seat to be connected to the greening comprehensive maintenance vehicle.

[0010] Preferably, the cantilever beam is rotatably connected to the tool connection seat and the frame respectively through pins, and the pins located on the tool connection seat and the frame are both provided with copper sleeves and nuts.

[0011] Preferably, the movable knife seat is slidably plugged into the frame, a plurality of mounting holes are provided above the movable knife seat, and at least two positioning pins are provided in the frame, and the two positioning pins are adapted to the mounting holes.

[0012] Preferably, the inner side of the bottom of the frame is bent with an arc structure, and a fan is fixedly installed on one side of the inner part of the frame.

[0013] Preferably, a fixing plate is fixedly installed at the bottom end of the skeleton, a pad is fixedly installed at the center of the bottom of the fixing plate, swing beams are hinged at two sides of the pad near one end, and two U-shaped covers are hinged at one end of the two swing beams away from the pad, and elastic reset members are arranged between the two sides of the swing beam and the pad and the U-shaped cover, and the elastic reset members are used to limit the position angle between the U-shaped cover and the pad; a third hydraulic motor is fixedly installed at the upper part of the periphery of the U-shaped cover near both ends, and the output ends of the two third hydraulic motors are both inserted into the U-shaped cover and fixedly installed with rollers, and tracks are arranged on the outer peripheries of the two rollers located inside the U-shaped cover, and a cleaning brush is adjustably arranged on the outer periphery of the roller located above the track, and the length of the cleaning brush is not less than the diameter of the roller, and a positioning ring is threadedly sleeved on the outer periphery of the roller above the cleaning brush, and the positioning ring is rotated to move downward to limit the position height of the cleaning brush.

[0014] Preferably, the elastic return member includes: a fourth spring, one end of the fourth spring is fixedly installed on one end of the pad, the other end of the fourth spring is fixedly installed on the outside of the swing beam, and a fifth spring and a sixth spring are respectively fixedly installed on both sides of the outer periphery of the swing beam near the U-shaped cover, the separated ends of the fifth spring and the sixth spring are fixedly installed on the outer periphery of the U-shaped cover, and the fifth spring and the sixth spring are arranged in a colinear manner.

[0015] The beneficial effects of the present invention are as follows: the machine connection seat can be used to connect with the comprehensive greening maintenance vehicle, so that when the comprehensive greening maintenance vehicle is driving close to the roadside green belt guardrail, the swing angle of the cantilever beam can be adjusted by squeezing to make the frame fit the outside of the guardrail on the green belt and move, and the rotating assembly is driven synchronously to rotate, so that the shrubs extending out of the green belt guardrail can be trimmed, so that the shrubs above and on the side of the guardrail can be leveled and trimmed, thereby improving the integrity during pruning, thereby effectively improving the pruning efficiency of green plants and shrubs outside the guardrail, improving the safety of the comprehensive greening maintenance vehicle during operation, and reducing the impact on traffic. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the top view structure of the present invention; Figure 3 It is a side view structural schematic diagram of the present invention; Figure 4 It is a schematic diagram of the side view structure of the swing beam of the present invention; Figure 5 It is a schematic diagram of the half-section structure of the U-shaped cover in a side view of the present invention.

[0018] The markings in the figure are: 1. Connecting pin; 2. Machine connecting seat; 3. First spring; 4. Cantilever beam; 5. Movable knife seat; 6. First hydraulic motor; 7. Frame; 8. Limit block; 9. Roller; 10. Bracket; 11. Second hydraulic motor; 12. Rotating assembly; 13. Copper sleeve; 14. Cutter hub; 15. Blade; 16. Second spring; 17. Third spring; 19. Fixed plate; 20. Pad; 21. Swing beam; 22. Fourth spring; 23. U-shaped cover; 24. Fifth spring; 25. Sixth spring; 26. Third hydraulic motor; 27. Roller; 28. Track; 29. ​​Cleaning brush; 30. Positioning ring. DETAILED DESCRIPTION

[0019] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments. Example

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, a double-sided pruning machine for guardrail green plants comprises: a machine connecting seat 2 arranged on a greening comprehensive maintenance vehicle, a cantilever beam 4 is elastically reset and connected to the middle part of one side of the machine connecting seat 2, a frame 7 is elastically reset and connected to one end of the cantilever beam 4, and the variable angle of the cantilever beam 4 is adjusted so that one side of the frame 7 fits the periphery of the guardrail green plants; a movable knife seat 5 is telescopically adjustable near one end of one side of the frame 7, a first hydraulic motor 6 is fixedly installed at one end of the movable knife seat 5 by bolts, a second hydraulic motor 11 is fixedly installed near one end above the periphery of the frame 7 by bolts, the output ends of the first hydraulic motor 6 and the output ends of the second hydraulic motor 11 are both extended into the frame 7 to be provided with a rotating assembly 12, and the two rotating assemblies 12 are staggered; brackets 10 are fixedly installed at both ends of the side of the frame 7 away from the cantilever beam 4 by bolts, and rollers 9 are rotatably installed inside the two brackets 10, and all movable parts are smeared with lubricating oil during installation.

[0021] Among them, the machine connection seat 2 can be connected to the greening comprehensive maintenance vehicle, so that when the greening comprehensive maintenance vehicle is driving close to the roadside green belt guardrail, the frame 7 can be moved to fit the outside of the guardrail on the green belt by squeezing and adjusting the swing angle of the cantilever beam 4. During the movement of the frame 7, the second hydraulic motor 11 and the first hydraulic motor 6 respectively provided on the top of the frame 7 and on the movable knife seat 5 can synchronously drive the rotating assembly 12 to rotate, so that the shrubs extending out of the green belt guardrail can be trimmed, so that the shrubs above and on the side of the guardrail can be leveled and trimmed, and the position of the rotating assembly 12 on the movable knife seat 5 can be adjusted by changing the position of the movable knife seat 5 in the frame 7. The frame 7 is arranged so that the trimming distance of the shrubs outside the guardrail can be adjusted easily. At the same time, the two rotating assemblies 12 in the frame 7 are staggered so that the wind force generated by the rotating assembly 12 during rotation can blow the shrubs trimmed by the rotating assembly 12 above back to the soil of the green belt, so as to avoid the situation where the fallen shrubs cover the roadside and affect the traffic. The trimming efficiency of the green plants and shrubs outside the guardrail is effectively improved, the safety of the greening comprehensive maintenance vehicle during operation is improved, and the impact on traffic is reduced. At the same time, during the movement, the rollers 9 provided on the bracket 10 can further improve the stability of the frame 7 when it moves outside the guardrail, thereby improving the trimming effect of the shrubs outside the guardrail.

[0022] Furthermore, in order to facilitate pruning, the rotating assembly 12 includes: a cutter hub 14, and a plurality of blades 15 are fixedly installed on one side of the cutter hub 14 by bolts. The plurality of blades 15 are used to cut the bushes outside the guardrail. When the first hydraulic motor 6 and the second hydraulic motor 11 drive the cutter hub 14 to rotate, the blades 15 can be driven to rotate synchronously, and the bushes outside the guardrail can be effectively pruned through the cutting edge of the blades 15.

[0023] Furthermore, in order to enable the skeleton 7 to smoothly fit on the guardrail through the cantilever beam 4, a first spring 3 is fixedly installed on one end of the machine connection seat 2 by bolts, one end of the first spring 3 is fixedly installed on one side of the cantilever beam 4 by bolts, a second spring 16 is fixedly installed on the middle part of one side of the cantilever beam 4 by bolts, one end of the second spring 16 is fixedly connected to the skeleton 7 by bolts, and a third spring 17 is fixedly installed on the middle part of the other side of the cantilever beam 4 by bolts, one end of the third spring 17 is fixedly connected to the skeleton 7 by bolts, and the second spring 16 and the third spring 17 are respectively located on both sides of the cantilever beam 4, and the second spring 16 and the third spring 17 are colinearly arranged. During the driving process of the greening comprehensive maintenance vehicle, the first spring 3, the second spring 16 and the third spring 17 will be pulled to make the cantilever beam 4 swing, and the skeleton 7 can fit to the outer periphery of the green belt guardrail through the elastic force, so that the blade 15 in the skeleton 7 can smoothly trim the shrubs extending out of the guardrail.

[0024] Furthermore, a limit block 8 is fixedly installed inside the tool connecting seat 2 by bolts, and the limit block 8 is located on one side of the first spring 3. The limit block 8 can limit the initial position of the first spring 3, so that it is convenient to adjust the swing of the cantilever beam 4 before the greening comprehensive maintenance vehicle travels to the edge of the guardrail; a connecting pin 1 is inserted above the tool connecting seat 2, and the bottom end of the connecting pin 1 is inserted into the tool connecting seat 2 and connected to the greening comprehensive maintenance vehicle. The connecting pin 1 can facilitate the convenience of connecting the tool connecting seat 2 and the greening comprehensive maintenance vehicle; the cantilever beam 4 is rotatably connected to the tool connecting seat 2 and the frame 7 respectively through pin shafts, and the pin shafts on the tool connecting seat 2 and the frame 7 are both provided with copper sleeves 13 and nuts, which are convenient for lifting The rotational installation effect of the lifting beam 4 and the tool connecting seat 2; the movable knife seat 5 is slidably inserted into the frame 7, and a plurality of mounting holes are provided above the movable knife seat 5. At least two positioning pins are arranged in the frame 7, and the two positioning pins are adapted to the mounting holes. By changing the position of the movable knife seat 5 in the frame 7, the position of the movable knife seat 5 in the frame 7 can be limited in coordination with the positioning pins and the mounting holes to prevent the movable knife seat 5 from shaking during operation; an arc structure is bent on the inner side of the bottom of the frame 7, and a fan is fixedly installed on one side of the inner side of the frame 7 by bolts. When the fan is started, the shrubs that fall into the frame 7 can be guided to the guardrail with the help of the arc structure, thereby preventing the trimmed shrubs from falling onto the road surface and affecting traffic. Example

[0025] The difference from the previous embodiment is that Figure 4 and Figure 5 As shown, a fixing plate 19 is fixedly installed at the bottom end of the frame 7 by bolts, a pad 20 is fixedly installed at the center of the bottom of the fixing plate 19 by bolts, swing beams 21 are hinged at both sides of the pad 20 near one end, and a U-shaped cover 23 is hinged at one end of the two swing beams 21 away from the pad 20. Elastic reset members are arranged between the two sides of the swing beam 21 and the pad 20 and the U-shaped cover 23, and the elastic reset members are used to limit the position angle between the U-shaped cover 23 and the pad 20; the upper part of the outer periphery of the U-shaped cover 23 near both ends is fixedly installed by bolts. A third hydraulic motor 26 is fixedly installed with a bolt, and two output ends of the third hydraulic motors 26 are inserted into the U-shaped cover 23 and fixedly installed with rollers 27 by bolts. The two rollers 27 located inside the U-shaped cover 23 are sleeved with tracks 28 on their outer peripheries, and cleaning brushes 29 are adjustably provided on the outer peripheries of the rollers 27 located above the tracks 28. The length of the cleaning brush 29 is not less than the diameter of the rollers 27, and a positioning ring 30 is threadedly sleeved on the outer periphery of the rollers 27 located above the cleaning brush 29. The positioning ring 30 is rotated to move downward to limit the position height of the cleaning brush 29.

[0026] Among them, first bend the swing beam 21, so that when the frame 7 is in contact with the outer side of the green belt guardrail, one side of the U-shaped cover 23 can be in contact with the curb below the green belt, so that when the greening comprehensive maintenance vehicle moves forward, the U-shaped cover 23 can continue to maintain the contact state with the curb under the action of the elastic reset member by squeezing the swing beam 21, and the third hydraulic motor 26 drives the roller 27 to rotate, which can drive the crawler 28 to rotate. During the rotation process of the crawler 28, when it is consistent with the forward speed of the greening comprehensive maintenance vehicle, the stability of the frame 7 when moving on the guardrail can be improved. When the rotation speed of the crawler 28 is less than or greater than the forward speed of the greening comprehensive maintenance vehicle, the shrubs on the side of the curb can be cleaned or crushed, thereby reducing the impact of the pruned shrubs on the road surface. At the same time, the cleaning brush 29 provided on the roller 27 above the crawler 28 can rotate synchronously with the roller 27, so that the shrubs remaining above the curb can be cleaned, further improving the effect of guiding and cleaning the pruned shrubs. The rotation height of the positioning cleaning brush 29 can be adjusted by the positioning ring 30 to adapt to curbs of different heights.

[0027] Furthermore, the elastic reset member includes: a fourth spring 22, one end of the fourth spring 22 is fixedly installed on one side end of the pad 20 by bolts, the other end of the fourth spring 22 is fixedly installed on the outside of the swing beam 21 by bolts, and the fifth spring 24 and the sixth spring 25 are respectively fixedly installed by bolts on both sides of the outer periphery of the swing beam 21 near the U-shaped cover 23, the separated ends of the fifth spring 24 and the sixth spring 25 are fixedly installed on the outer periphery of the U-shaped cover 23 by bolts, and the fifth spring 24 and the sixth spring 25 are colinearly arranged; the fourth spring 22, the fifth spring 24 and the sixth spring 25 can reset the position between the U-shaped cover 23 and the pad 20, so as to facilitate the U-shaped cover 23 to fit on the curb.

[0028] It should be understood by those skilled in the art that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention, including the claims, is limited to these examples; within the context of the present invention, the technical features in the above embodiments or in different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

Claims

1. A double-sided pruning machine for guardrail green plants, characterized in that: include: A machine tool connection seat (2) is arranged on a greening comprehensive maintenance vehicle, wherein a middle portion of one side of the machine tool connection seat (2) is elastically resetably connected to a cantilever beam (4), and one end of the cantilever beam (4) is elastically resetably connected to a frame (7), and the variable angle of the cantilever beam (4) is adjusted so that one side of the frame (7) fits the periphery of the green plants on the guardrail; A movable knife seat (5) is telescopically adjustable near one end of one side of the skeleton (7), a first hydraulic motor (6) is fixedly mounted on one end of the movable knife seat (5), a second hydraulic motor (11) is fixedly mounted near one end above the outer periphery of the skeleton (7), the output ends of the first hydraulic motor (6) and the second hydraulic motor (11) are both extended into the skeleton (7) and are provided with a rotating assembly (12), and the two rotating assemblies (12) are staggered; Brackets (10) are fixedly mounted on both ends of the frame (7) on a side away from the cantilever beam (4), and rollers (9) are rotatably mounted inside the two brackets (10).

2. A double-sided pruning tool for guardrail green plants according to claim 1, characterized in that: The rotating assembly (12) comprises: A cutter hub (14) is provided with a plurality of blades (15) fixedly mounted on one side of the cutter hub (14) around its periphery, and the plurality of blades (15) are used to cut shrubs outside the guardrail.

3. A double-sided pruning tool for guardrail green plants according to claim 1, characterized in that: A first spring (3) is fixedly mounted on an end portion of one side of the tool connection seat (2), one end of the first spring (3) is fixedly mounted on one side of the cantilever beam (4), a second spring (16) is fixedly mounted on a middle portion of one side of the cantilever beam (4), one end of the second spring (16) is fixedly connected to the frame (7), a third spring (17) is fixedly mounted on a middle portion of the other side of the cantilever beam (4), one end of the third spring (17) is fixedly connected to the frame (7), and the second spring (16) and the third spring (17) are respectively located on two sides of the cantilever beam (4) that are separated from each other, and the second spring (16) and the third spring (17) are arranged in a colinear manner.

4. The double-sided pruning tool for guardrail green plants according to claim 3, characterized in that: A limit block (8) is fixedly installed inside the tool connection seat (2), and the limit block (8) is located on one side of the first spring (3).

5. The double-sided pruning tool for guardrail green plants according to claim 1, characterized in that: A connecting pin (1) is inserted above the tool connecting seat (2), and the bottom end of the connecting pin (1) penetrates into the tool connecting seat (2) to be connected to the comprehensive greening maintenance vehicle.

6. The double-sided pruning tool for guardrail green plants according to claim 1, characterized in that: The cantilever beam (4) is rotatably connected to the tool connection seat (2) and the frame (7) respectively via a pin shaft, and the pin shafts located on the tool connection seat (2) and the frame (7) are both sleeved with a copper sleeve (13) and a nut.

7. The double-sided pruning tool for guardrail green plants according to claim 1, characterized in that: The movable knife seat (5) is slidably plugged into the frame (7); a plurality of mounting holes are provided above the movable knife seat (5); at least two positioning pins are provided in the frame (7); and the two positioning pins are adapted to the mounting holes.

8. The double-sided pruning tool for guardrail green plants according to claim 1, characterized in that: The inner side of the bottom of the frame (7) is bent to form an arc structure, and a fan is fixedly mounted on one side of the interior of the frame (7).

9. The double-sided pruning tool for guardrail green plants according to claim 1, characterized in that: A fixing plate (19) is fixedly mounted at the bottom end of the frame (7), a pad (20) is fixedly mounted at the center of the bottom of the fixing plate (19), swing beams (21) are hingedly connected at two sides of the pad (20) near one end, and a U-shaped cover (23) is hingedly connected at one end of the two swing beams (21) away from the pad (20), and elastic reset members are arranged between the two sides of the swing beam (21) and the pad (20) and the U-shaped cover (23), and the elastic reset members are used to limit the position angle between the U-shaped cover (23) and the pad (20); A third hydraulic motor (26) is fixedly mounted on the upper periphery of the U-shaped cover (23) near both ends. The output ends of the two third hydraulic motors (26) are inserted into the U-shaped cover (23) and fixedly mounted with rollers (27). The outer peripheries of the two rollers (27) located inside the U-shaped cover (23) are sleeved with tracks (28). The outer peripheries of the rollers (27) located above the tracks (28) are adjustably provided with cleaning brushes (29). The length of the cleaning brushes (29) is not less than the diameter of the rollers (27). The outer peripheries of the rollers (27) located above the cleaning brushes (29) are threadedly sleeved with positioning rings (30). The positioning rings (30) are rotated to move downward to limit the height of the cleaning brushes (29).

10. A double-sided pruning tool for guardrail green plants according to claim 9, characterized in that: The elastic reset element comprises: A fourth spring (22), one end of the fourth spring (22) is fixedly mounted on an end portion of one side of the pad (20), and the other end of the fourth spring (22) is fixedly mounted on the outside of the swing beam (21). A fifth spring (24) and a sixth spring (25) are respectively fixedly mounted on two sides of the outer periphery of the swing beam (21) near the U-shaped cover (23). The separated ends of the fifth spring (24) and the sixth spring (25) are both fixedly mounted on the outer periphery of the U-shaped cover (23), and the fifth spring (24) and the sixth spring (25) are arranged in a colinear manner.

Images