A municipal engineering greening pruning device
By designing a municipal engineering greening and pruning device that includes replacement components and an automated pruning system, the problems of blade wear, aging and labor-intensive use in the prior art are solved, and the convenience of replacement and automation of pruning operations are achieved.
Patent Information
- Application Number
- CN202421475897.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The existing road greening and pruning devices for municipal engineering wear and aging after long-term use, making it difficult to replace and use arduously.
A municipal engineering greening trimming device is designed, including handheld rods, support base plates, fixed blades, rotating blades and replacement components. By replacing components, users can easily replace worn blades and automate pruning operations through drive motors and gear systems to reduce manpower operations.
It realizes the convenience of blade replacement and automation of pruning operations, extends the service life of the equipment and reduces the physical energy consumption of users.
Smart Images

Figure CN222692369U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pruning devices, in particular to a municipal engineering greening pruning device. Background Art
[0002] Municipal engineering projects include road traffic projects, river and lake water system projects, underground pipeline projects, overhead pole and line projects, and street greening projects. Street greening projects mainly refer to roadside trees, shrubs, lawns, and greening pieces. Municipal greening workers will regularly maintain municipal greening according to the work arrangements of government units, mainly renewing lawns, pruning trees, and treating trees for cold weather. At present, due to the tall trees in municipal greening projects, ladders and pruning tools are usually used when pruning the ends of their branches. Most of the current pruning tools are long-handled scissors. The staff holds the two long handles and makes opening and closing movements to complete the cutting operation of the branches that need to be pruned.
[0003] An existing road greening pruning device for municipal engineering (Announcement No.: CN217936586U) has at least the following disadvantages:
[0004] In the above patent, the fixed blade holder and the movable blade are both installed at one end of the hand-held rod, but the fixed blade holder is fixedly installed and the movable blade is non-detachably installed, which makes it more troublesome to replace the two blades when they are worn and aged after long-term use, which will affect the subsequent use and is more troublesome to use. In addition, pruning by manually pulling the pull rope makes it more laborious to use, and a municipal engineering greening pruning device is urgently needed to solve the above problems. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and proposes a municipal engineering greening pruning device.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A municipal engineering greening pruning device comprises a hand-held rod, the top surface of the hand-held rod is provided with a supporting base plate, the top surface of the supporting base plate is provided with a fixed blade and a rotating blade, a PLC controller is fixedly installed on the inner circular wall surface of the hand-held rod, and also comprises a replacement component, the replacement component is arranged on the top surface of the supporting base plate, and is used to replace the fixed blade and the rotating blade, the replacement component comprises: a fixed plate, the fixed plate is fixedly installed on the top surface of the supporting base plate.
[0008] As a further scheme of the utility model, the replacement assembly also includes: a support shaft tube is fixedly installed on one side of the fixed plate, and one side of the fixed blade and the rotating blade are respectively provided with mounting holes, and the mounting holes are movably connected to the support shaft tube, and a second limit plate is fixedly installed on the top surface of the support bottom plate, and a fourth limit hole is provided on one side of the fixed blade, and the fourth limit hole is movably connected to the second limit plate, and the outer circular wall surface of the support shaft tube is provided with two first limit holes, and the first limit plate is movably connected to the inside of the first limit hole, and a support groove is provided on one side of the fixed blade, and the support groove is movably connected to the first limit plate, and a fixed cover is fixedly installed on one end of the support shaft tube, and the inner circular wall surface of the fixed cover is movably connected to the limiting column, and a plurality of springs are fixedly installed on one side of the inner side of the fixed cover, and the spring is fixedly installed with the limiting column, and a limiting groove is provided on one side of the first limit plate, and the limiting groove is movably connected to the limiting column.
[0009] As a further solution of the utility model, a fixing groove is provided on one side of the supporting base plate, a rotating plate is arranged inside the fixing groove, a first circular through hole is provided on one side of the rotating plate, a fixing column is movably sleeved on the inner circular wall of the first circular through hole, the fixing column is fixedly installed on the fixing plate, a rotating column is fixedly installed on one side of the rotating plate, a second limiting hole is provided on one side of the fixing plate, the second limiting hole is movably sleeved on the rotating column, a third limiting hole is provided on one side of the rotating blade, and the third limiting hole is movably sleeved on the rotating column.
[0010] As a further solution of the utility model, a plurality of tooth grooves are provided on the bottom surface of the rotating plate, a circular groove is provided on one side of the supporting bottom plate, and a fixing hole is provided on the other side of the supporting bottom plate, the fixing hole is communicated with the circular groove, a driving motor is fixedly sleeved on the inner circular wall surface of the circular groove, the driving motor is electrically connected to the PLC controller, a gear is fixedly sleeved on the outer circular wall surface of the driving shaft of the driving motor, and the gear is meshed with the tooth grooves.
[0011] As a further solution of the utility model, a telescopic rod is movably sleeved on the inner circular wall surface of the hand-held rod, and the top surface of the telescopic rod is fixedly mounted to the supporting bottom plate.
[0012] As a further solution of the utility model, a battery is fixedly sleeved on the inner circular wall surface of the hand-held rod, and the battery is electrically connected to the PLC controller.
[0013] As a further solution of the utility model, a handle is fixedly mounted on the outer circular wall surface of the hand-held rod, a control switch is fixedly mounted on one side of the handle, and the control switch is electrically connected to the PLC controller.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. Through the coordinated use of the provided hand-held rod, supporting base plate, fixed blade, rotating blade, mounting hole, fixed plate and control switch, the fixed blade and the rotating blade can be replaced, so that the fixed blade and the rotating blade can be replaced when they are worn and aged after long-term use, and the user can complete the replacement operation manually, which is simple to operate, convenient for replacement and more practical.
[0016] 2. Through the coordinated use of the driving motor, rotating plate, fixed column and supporting shaft tube, the effect of pruning trees can be achieved without manual pruning, thus saving effort. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of a municipal engineering greening pruning device proposed by the utility model;
[0018] Figure 2 This is a schematic diagram of the fixed blade structure of a municipal engineering greening pruning device proposed by the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of a hand-held rod of a municipal engineering greening pruning device proposed by the utility model;
[0020] Figure 4 for Figure 3 Schematic diagram of the local structure of A.
[0021] In the figure: 1. Hand-held rod; 2. Support base plate; 3. Fixed blade; 4. Rotating blade; 5. Mounting hole; 6. Fixed plate; 7. Control switch; 8. First limit hole; 9. Support shaft tube; 10. First limit plate; 11. Limit slot; 12. Fixed cover; 13. Limit column; 14. Spring; 15. Second limit plate; 16. Rotating plate; 17. Fourth limit hole; 18. Fixed column; 19. Second limit hole; 20. Rotating column; 21. Third limit hole; 22. Drive motor; 23. Gear; 24. Fixed slot; 25. Fixed hole; 26. Battery; 27. Telescopic rod; 28. Handle; 29. Support slot. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] Reference Figure 1-Figure 4 A municipal engineering greening pruning device comprises a hand-held rod 1, a support base plate 2 is arranged on the top surface of the hand-held rod 1, a fixed blade 3 and a rotating blade 4 are arranged on the top surface of the support base plate 2, a PLC controller is fixedly installed on the inner circular wall surface of the hand-held rod 1, a replacement component is arranged on the top surface of the support base plate 2 for replacing the fixed blade 3 and the rotating blade 4, and the replacement component comprises: a fixed plate 6, the fixed plate 6 is fixedly installed on the top surface of the support base plate 2, a support shaft tube 9 is fixedly installed on one side of the fixed plate 6, a mounting hole 5 is respectively opened on one side of the fixed blade 3 and the rotating blade 4, the mounting hole 5 is movably sleeved with the support shaft tube 9, a second limit plate 15 is fixedly installed on the top surface of the support base plate 2, and the fixed blade 3 and the rotating blade 4 are fixedly installed on the top surface of the support base plate 2. A fourth limiting hole 17 is provided on one side of the blade 3, and the fourth limiting hole 17 is movably connected to the second limiting plate 15. Two first limiting holes 8 are provided on the outer circumferential wall of the support shaft tube 9, and the first limiting plate 10 is movably connected inside the first limiting hole 8. A supporting groove 29 is provided on one side of the fixed blade 3, and the supporting groove 29 is movably connected to the first limiting plate 10. A fixed cover 12 is fixedly installed on one end of the support shaft tube 9, and a limiting column 13 is movably connected to the inner circumferential wall of the fixed cover 12. A plurality of springs 14 are fixedly installed on one side of the interior of the fixed cover 12, and the springs 14 are fixedly installed with the limiting column 13. A limiting groove 11 is provided on one side of the first limiting plate 10, and the limiting groove 11 is movably connected to the limiting column 13.
[0026] In this embodiment, a fixing groove 24 is provided on one side of the supporting base plate 2, a rotating plate 16 is arranged inside the fixing groove 24, a first circular through hole is provided on one side of the rotating plate 16, a fixing column 18 is movably sleeved on the inner circular wall surface of the first circular through hole, the fixing column 18 is fixedly installed with the fixing plate 6, a rotating column 20 is fixedly installed on one side of the rotating plate 16, a second limiting hole 19 is provided on one side of the fixing plate 6, the second limiting hole 19 is movably sleeved with the rotating column 20, a third limiting hole 21 is provided on one side of the rotating blade 4, the third limiting hole 21 is movably sleeved with the rotating column 20, a plurality of tooth grooves are provided on the bottom surface of the rotating plate 16, a circular groove is provided on one side of the supporting base plate 2, and the other side of the supporting base plate 2 A fixing hole 25 is opened on one side, and the fixing hole 25 is connected to the circular groove. The inner circular wall surface of the circular groove is fixedly sleeved with a driving motor 22, and the driving motor 22 is electrically connected to the PLC controller. The outer circular wall surface of the driving shaft of the driving motor 22 is fixedly sleeved with a gear 23, and the gear 23 is meshed with the tooth groove. The inner circular wall surface of the hand-held rod 1 is movably sleeved with a telescopic rod 27, and the top surface of the telescopic rod 27 is fixedly installed with the supporting base plate 2. The inner circular wall surface of the hand-held rod 1 is fixedly sleeved with a battery 26, and the battery 26 is electrically connected to the PLC controller. A handle 28 is fixedly installed on the outer circular wall surface of the hand-held rod 1, and a control switch 7 is fixedly installed on one side of the handle 28, and the control switch 7 is electrically connected to the PLC controller.
[0027] Through the provided drive motor 22, when the user needs to trim the greenery, the user manually presses the control switch 7 through the provided control switch 7 to start the drive motor 22 and drive the gear 23 to rotate, and then the gear 23 drives the rotating plate 16 to rotate around the fixed column 18. The rotating plate 16 rotates while driving the rotating column 20 to move, so that the moving rotating column 20 moves inside the second limiting hole 19 and drives the third limiting hole 21 and the rotating blade 4 to rotate around the supporting shaft tube 9. Therefore, the rotating rotating blade 4 pushes the branch to contact the fixed blade 3, and the fixed blade 3 and the rotating blade 4 cooperate to prune the tree, without manual operation for pruning, saving effort.
[0028] From the above description, it can be seen that the above-mentioned embodiment of the utility model achieves the following technical effects: through the provision of the fixed blade 3, when the user needs to replace the fixed blade 3 and the rotating blade 4, at this time, through the provided limiting column 13, the user manually pulls the limiting column 13 to move it out of the inside of the limiting groove 11, and then moves the first limiting plate 10 and moves it out from the inside of the first limiting hole 8 and the supporting groove 29, so that the first limiting plate 10 no longer limits the fixed blade 3, loosens the limiting column 13, and then moves the fixed blade 3 along the outside of the supporting shaft tube 9 so that it is no longer sleeved therewith, and at the same time, the fixed blade 3 is moved out from the outside of the second limiting plate 15, so that the fixed blade 3 is disassembled, and then the rotating blade 4 is moved and removed from the outside of the supporting shaft tube 9, thereby completing the disassembly of the fixed blade 3 and the rotating blade 4, and then, the new rotating blade 4 is sleeved on the outside of the supporting shaft tube 9, so that the rotating column 20 is inserted into the first limiting plate 15. After the first limit plate 10 is removed from the support shaft 9, the fixing blade 3 is locked and the fixing blade 3 is locked.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A municipal engineering greening pruning device, comprising a hand-held rod (1), the top surface of the hand-held rod (1) being provided with a supporting base plate (2), the top surface of the supporting base plate (2) being provided with a fixed blade (3) and a rotating blade (4), the inner circular wall surface of the hand-held rod (1) being fixedly mounted with a PLC controller, characterized in that: It also comprises a replacement component, which is arranged on the top surface of the supporting base plate (2) and is used to replace the fixed blade (3) and the rotating blade (4), and the replacement component comprises: a fixed plate (6), and the fixed plate (6) is fixedly mounted on the top surface of the supporting base plate (2).
2. A municipal engineering greening pruning device according to claim 1, characterized in that: The replacement assembly further comprises: a support shaft tube (9) is fixedly mounted on one side of the fixed plate (6); a mounting hole (5) is respectively provided on one side of the fixed blade (3) and the rotating blade (4); the mounting hole (5) is movably sleeved with the support shaft tube (9); a second limit plate (15) is fixedly mounted on the top surface of the support bottom plate (2); a fourth limit hole (17) is provided on one side of the fixed blade (3); the fourth limit hole (17) is movably sleeved with the second limit plate (15); two first limit holes (8) are provided on the outer circumferential wall surface of the support shaft tube (9); the inner circumference of the first limit hole (8) is movably sleeved with the second limit plate (15); A first limiting plate (10) is sleeved, a support groove (29) is provided on one side of the fixed blade (3), and the support groove (29) is movably sleeved with the first limiting plate (10), a fixed cover (12) is fixedly installed on one end of the support shaft tube (9), and a limiting column (13) is movably sleeved on the inner circular wall surface of the fixed cover (12), and a plurality of springs (14) are fixedly installed on one side of the interior of the fixed cover (12), and the springs (14) are fixedly installed with the limiting column (13), and a limiting groove (11) is provided on one side of the first limiting plate (10), and the limiting groove (11) is movably sleeved with the limiting column (13).
3. A municipal engineering greening pruning device according to claim 1, characterized in that: A fixing groove (24) is provided on one side of the supporting bottom plate (2), a rotating plate (16) is arranged inside the fixing groove (24), a first circular through hole is provided on one side of the rotating plate (16), a fixing column (18) is movably sleeved on the inner circular wall surface of the first circular through hole, the fixing column (18) is fixedly mounted on the fixing plate (6), a rotating column (20) is fixedly mounted on one side of the rotating plate (16), a second limiting hole (19) is provided on one side of the fixing plate (6), the second limiting hole (19) is movably sleeved on the rotating column (20), and a third limiting hole (21) is provided on one side of the rotating blade (4), the third limiting hole (21) is movably sleeved on the rotating column (20).
4. A municipal engineering greening pruning device according to claim 3, characterized in that: The bottom surface of the rotating plate (16) is provided with a plurality of tooth grooves, one side of the supporting bottom plate (2) is provided with a circular groove, the other side of the supporting bottom plate (2) is provided with a fixing hole (25), the fixing hole (25) is communicated with the circular groove, the inner circular wall surface of the circular groove is fixedly sleeved with a driving motor (22), the driving motor (22) is electrically connected to the PLC controller, and the outer circular wall surface of the driving shaft of the driving motor (22) is fixedly sleeved with a gear (23), the gear (23) is meshed with the tooth groove.
5. A municipal engineering greening pruning device according to claim 1, characterized in that: A telescopic rod (27) is movably sleeved on the inner circular wall surface of the hand-held rod (1), and the top surface of the telescopic rod (27) is fixedly mounted on the supporting bottom plate (2).
6. A municipal engineering greening pruning device according to claim 1, characterized in that: A storage battery (26) is fixedly sleeved on the inner circular wall surface of the hand-held rod (1), and the storage battery (26) is electrically connected to the PLC controller.
7. A municipal engineering greening pruning device according to claim 1, characterized in that: A handle (28) is fixedly mounted on the outer circular wall surface of the hand-held rod (1), and a control switch (7) is fixedly mounted on one side of the handle (28), wherein the control switch (7) is electrically connected to the PLC controller.
Citation Information
Patent Citations
Road greening pruning device for municipal engineering
CN217936586U