Disc type hedge trimmer

Abstract

The utility model discloses a disc type hedge trimmer which comprises a disc type cutter and an excavator connector, and the disc type cutter and the excavator connector are fixedly connected through bolts and nuts. The disc type cutter comprises a machine frame, the whole machine frame is of a triangular structure, and a driving mechanism, a plurality of disc saw blade combinations, a plurality of tensioning wheel combinations, a driving belt wheel combination, a driven belt wheel combination and a transmission belt are arranged on the machine frame. The driving mechanism is in transmission connection with the driving belt wheel combination, and the driving belt wheel combination is in transmission connection with the driven belt wheel combination, the disc saw blade combination and the tensioning wheel combination through a transmission belt. The device can be matched with various types of excavators, and is simple to mount and stable to operate; the hydraulic motor on the disc type hedge trimmer rotates through hydraulic output of the excavator, the disc saw blade is driven by the transmission belt to rotate, the excavator advances, and hedges passing through the disc type cutter are sawed off by the rotating disc saw blade, so that hedge trimming operation is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of forestry equipment, in particular to a disc type hedge trimmer. Background Art

[0002] With the further popularization of the green ecological model, more and more plants are grown in gardens and highway green belts. They all rely on manual pruning, which is labor-intensive and more difficult for tall plants. There are the following problems:

[0003] (1) Handheld, electric and other trimmers cannot complete the trimming operation;

[0004] (2) The existing open-loop reciprocating cutter has large vibration, is easy to wear, is inconvenient to adjust, and has unstable performance;

[0005] (3) It is more difficult to prune branches with larger diameters. Utility Model Content

[0006] The utility model aims to provide a disc type hedge trimmer to address the defects and shortcomings of the prior art.

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a disc hedge trimmer, the innovation of which is that it includes a disc cutter and an excavator connector, and the two are fixedly connected by bolts and nuts; the disc cutter includes a frame, and the frame as a whole is a triangular structure, and a driving mechanism, multiple disc saw blade assemblies, multiple tensioning wheel assemblies, a driving pulley assembly, a passive pulley assembly and a transmission belt are respectively arranged on the frame; the disc saw blade assembly includes at least four, and is divided into two left and right groups, and each group includes two disc saw blade assemblies; the tensioning wheel assembly includes at least two, and is arranged corresponding to the left and right groups of circular saw blade assemblies; the driving pulley assembly and the passive pulley assembly are arranged corresponding to the left and right groups of circular saw blade assemblies respectively; the driving mechanism is transmission-connected to the driving pulley assembly, and the driving pulley assembly is transmission-connected to the passive pulley assembly, the disc saw blade assembly and the tensioning wheel assembly through the transmission belt.

[0008] Furthermore, the excavator connector includes a connector frame, a connecting shaft, a mounting bracket and a mounting plate. The connector frames are fixedly connected by a connecting shaft. The mounting bracket is located on the side of the connector frame, and a mounting plate is arranged at the bottom. The mounting plate is fixedly connected to the disc cutter.

[0009] Furthermore, the driving mechanism is a hydraulic motor.

[0010] Furthermore, the circular saw blade assembly includes a saw blade axle fixed on the frame, an external sleeve bearing of the saw blade axle, an external sleeve saw blade pulley of the bearing, and the outer end faces of the saw blade pulley are respectively provided with a positioning plate, a circular saw blade and a clamping plate, and are fixed by bolts, and the saw blade pulley is meshed and connected to the transmission belt.

[0011] Furthermore, the tensioning wheel assembly includes a tensioning plate fixed on the frame, a tensioning wheel shaft is arranged on the tensioning plate, the outer part of the tensioning wheel shaft is sleeved with a bearing, the outer part of the bearing is sleeved with a tensioning wheel, and the tensioning wheel is meshed and connected with a transmission belt.

[0012] Furthermore, the driving pulley assembly includes a driving shaft transmission-connected to the driving mechanism, the outside of the driving shaft is respectively sleeved on the bearing seat and the driving pulley, and a part of the driving pulley is also sleeved on the bearing seat, and the driving pulley is meshedly transmission-connected with the transmission belt.

[0013] Furthermore, the passive pulley assembly comprises a passive pulley shaft mounted on a frame, the outer portion of the passive pulley shaft is sleeved with a bearing, the outer portion of the bearing is sleeved with a passive pulley, and the passive pulley is meshedly connected to a transmission belt.

[0014] After adopting the above structure, the utility model has the following beneficial effects:

[0015] The utility model can be matched with various types of excavators, and has the advantages of simple installation and stable operation. It is suitable for horizontal or vertical pruning of tall green plants in gardens and roads (especially highways). The hydraulic output of the excavator is used to rotate the hydraulic motor on the disc hedge trimmer, and the disc saw blade is driven to rotate through the transmission belt. The excavator moves forward, and the hedges passing through the disc cutter are cut by the rotating disc saw blade, thereby completing the hedge pruning operation. The disc saw blade is used, and there is no need for gap adjustment, small vibration, wear resistance, stable performance, and the diameter of the branches cut can reach more than 100mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the disc cutter in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the excavator connector in the utility model;

[0019] Figure 4 for Figure 2 Sectional view of AA in the middle;

[0020] Figure 5 for Figure 2Cross-sectional view of the middle BB;

[0021] Figure 6 for Figure 2 Sectional view of CC;

[0022] Figure 7 This is a schematic diagram of the saw blade transmission of the utility model.

[0023] Description of reference numerals:

[0024] 1 disc cutter, 11 frame, 12 driving mechanism, 13 circular saw blade assembly, 131 saw blade wheel shaft, 132 saw blade pulley, 133 positioning plate, 134 circular saw blade, 135 clamping plate, 14 tensioning wheel assembly, 141 tensioning plate, 142 tensioning wheel shaft, 143 tensioning wheel, 15 driving pulley assembly, 151 driving shaft, 152 bearing seat, 153 driving pulley, 16 passive pulley assembly, 161 passive pulley shaft, 162 passive pulley, 17 driving belt, 2 excavator connector, 21 connector frame, 22 connecting shaft, 23 mounting bracket, 24 mounting plate. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings.

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described here are only used to explain the utility model and are not used to limit the utility model.

[0027] See also Figure 1-7A disc hedge trimmer comprises a disc cutter 1 and an excavator connector 2, which are fixedly connected by bolts and nuts; the disc cutter 1 comprises a frame 11, which is a triangular structure as a whole, and a driving mechanism 12, a plurality of circular saw blade assemblies 13, a plurality of tensioning wheel assemblies 14, a driving pulley assembly 15, a passive pulley assembly 16 and a transmission belt 17 are respectively arranged on the frame 11; the circular saw blade assemblies 13 include at least four, which are divided into left and right groups, and each group includes two circular saw blade assemblies; the tensioning wheel assemblies 14 include at least two, which are arranged corresponding to the left and right groups of circular saw blade assemblies; the driving pulley assembly 15 and the passive pulley assembly 16 are arranged corresponding to the left and right groups of circular saw blade assemblies respectively; the driving mechanism 12 is transmission-connected to the driving pulley assembly 15, and the driving pulley assembly 15 is transmission-connected to the passive pulley assembly 16, the circular saw blade assembly 13 and the tensioning wheel assembly 14 through the transmission belt 17. Specifically, first select an appropriate excavator and remove the accessories on it; the second step is to connect the excavator connector of the disc hedge trimmer to the excavator; the third step is to connect the hydraulic output on the excavator to the oil pipes of the drive mechanism 12 on the disc hedge trimmer, and then start the excavator to start the drive mechanism 12, thereby driving the active pulley assembly 15 to rotate, and then through the transmission belt 17, drive the passive pulley assembly 16, the disc saw blade assembly 13 and the tensioning wheel assembly 14 to rotate. When the excavator moves forward, the hedge passing through the disc cutter is cut by the rotating disc saw blade assembly 13, thereby completing the hedge trimming operation.

[0028] See also Figure 3 The excavator connector 2 includes a connector frame 21, a connecting shaft 22, a mounting bracket 23 and a mounting plate 24. The connector frames 21 are fixedly connected by the connecting shaft 22. The mounting bracket 23 is located on the side of the connector frame 21, and a mounting plate 24 is arranged at the bottom. The mounting plate 24 is fixedly connected to the disc cutter 1. The excavator's attachments can be removed, and the hedge trimmer can be installed through the excavator connector 2 to perform pruning operations. The excavator arm has a large telescopic range, is easy to install, and is easy to operate. It can cut green plants horizontally or vertically.

[0029] In this embodiment, the driving mechanism 12 is a hydraulic motor. The hydraulic motor can be connected to the hydraulic system on the excavator to start the disc type hedge trimmer, which is convenient and quick.

[0030] See also Figure 4 , 7The circular saw blade assembly 13 includes a saw blade axle 131 fixed on the frame, a bearing sleeved on the outside of the saw blade axle 131, a saw blade pulley 132 sleeved on the outside of the bearing, a positioning plate 133, a circular saw blade 134 and a pressing plate 135 are respectively arranged on the outer end surface of the saw blade pulley 132, and the saw blade pulley 132 is fixed by bolts, and the saw blade pulley 132 is meshed and connected with the transmission belt 17. The saw blade pulley 132 rotates through the driving mechanism 12 and the transmission belt 17, thereby driving the circular saw blade 134 to rotate around the saw blade axle 131, cutting the hedge, thereby completing the hedge trimming operation.

[0031] See also Figure 6 , 7 The tension wheel assembly 14 includes a tension plate 141 fixed on the frame, a tension wheel shaft 142 is arranged on the tension plate 141, the outer sleeve of the tension wheel shaft 142 is connected to the bearing, the outer sleeve of the bearing is connected to the tension wheel 143, and the tension wheel 143 is meshed and connected with the transmission belt 17. The tension wheel assembly 14 is used to ensure the transmission stability of the transmission belt 17, and the transmission belt 17 is pressed by the tension wheel 143.

[0032] See also Figure 5 , 7 The driving pulley assembly 15 includes a driving shaft 151 which is connected to the driving mechanism in a transmission manner. The outer portion of the driving shaft 151 is respectively sleeved with a bearing seat 152 and a driving pulley 153, and a portion of the driving pulley 153 is also sleeved on the bearing seat 152. The driving pulley 153 is meshed and connected to the transmission belt 17. The driving mechanism 12 drives the driving shaft 151 to rotate, and the driving shaft 151 then drives the bearing seat 152 and the driving pulley 153 to rotate respectively. The driving pulley 153 then drives the driven pulley assembly 16, the circular saw blade assembly 13 and the tensioning wheel assembly 14 to rotate through the transmission belt 17, thereby realizing the cutting function.

[0033] See also Figure 4 , 7 The passive pulley assembly 16 includes a passive pulley shaft 161 mounted on the frame, the outer sleeve of the passive pulley shaft 161 is connected to the bearing, the outer sleeve of the bearing is connected to the passive pulley 162, and the passive pulley 162 is meshed and connected with the transmission belt 17. The passive pulley 162 rotates through the transmission belt 17, thereby continuously transmitting power to the circular saw blade assembly 13.

[0034] In summary:

[0035] 1. The utility model adopts a circular saw blade, which does not require gap adjustment, has low vibration, is wear-resistant, has stable performance, and can cut branches with a diameter of more than 100mm;

[0036] 2. The utility model utilizes the hydraulic output of the excavator to rotate the hydraulic motor on the disc hedge trimmer, and drives the disc saw blade to rotate through the transmission belt. The excavator moves forward, and the hedges passing through the disc cutter are cut by the rotating disc saw blade, thereby completing the hedge trimming operation;

[0037] 3. The utility model can be matched with various types of excavators, with simple installation, convenient operation and stable operation;

[0038] 4. The utility model is suitable for horizontal or vertical pruning of tall green plants in gardens and roads (especially highways);

[0039] 5. The utility model adopts belt drive, which has low noise and the tensioning mechanism is simple and convenient to adjust.

[0040] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A disc type hedge trimmer, characterized in that: It comprises a disc cutter and an excavator connector, which are fixedly connected by bolts and nuts; the disc cutter comprises a frame, which is a triangular structure as a whole, and a driving mechanism, a plurality of circular saw blade assemblies, a plurality of tensioning wheel assemblies, a driving pulley assembly, a passive pulley assembly and a transmission belt are respectively arranged on the frame; the circular saw blade assemblies comprise at least four, which are divided into left and right groups, and each group comprises two circular saw blade assemblies; the tensioning wheel assemblies comprise at least two, which are arranged corresponding to the left and right groups of circular saw blade assemblies; the driving pulley assembly and the passive pulley assembly are arranged corresponding to the left and right groups of circular saw blade assemblies respectively; the driving mechanism is transmission-connected to the driving pulley assembly, and the driving pulley assembly is transmission-connected to the passive pulley assembly, the circular saw blade assembly and the tensioning wheel assembly through a transmission belt.

2. A disc hedge trimmer according to claim 1, characterized in that: The excavator connector includes a connector frame, a connecting shaft, a mounting bracket and a mounting plate. The connector frames are fixedly connected by a connecting shaft. The mounting bracket is located on the side of the connector frame, and a mounting plate is arranged at the bottom. The mounting plate is fixedly connected to the disc cutter.

3. A disc hedge trimmer according to claim 1, characterized in that: The driving mechanism is a hydraulic motor.

4. A disc hedge trimmer according to claim 1, characterized in that: The circular saw blade assembly includes a saw blade axle fixed on a frame, an external sleeve bearing of the saw blade axle, an external sleeve saw blade pulley of the bearing, a positioning plate, a circular saw blade and a clamping plate are respectively arranged on the outer end faces of the saw blade pulley, and are fixed by bolts, and the saw blade pulley is meshed and connected to a transmission belt.

5. A disc hedge trimmer according to claim 1, characterized in that: The tensioning wheel assembly includes a tensioning plate fixed on a frame, a tensioning wheel shaft is arranged on the tensioning plate, the outer portion of the tensioning wheel shaft is sleeved with a bearing, the outer portion of the bearing is sleeved with a tensioning wheel, and the tensioning wheel is meshed and drivenly connected with a transmission belt.

6. A disc hedge trimmer according to claim 1, characterized in that: The driving pulley assembly includes a driving shaft transmission-connected to the driving mechanism, the exterior of the driving shaft is respectively sleeved with a bearing seat and a driving pulley, and a portion of the driving pulley is also sleeved on the bearing seat, and the driving pulley is meshedly transmission-connected with a transmission belt.

7. A disc hedge trimmer according to claim 1, characterized in that: The passive pulley assembly comprises a passive pulley shaft mounted on a frame, the outer portion of the passive pulley shaft is sleeved with a bearing, the outer portion of the bearing is sleeved with a passive pulley, and the passive pulley is meshed and drivenly connected with a transmission belt.

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