Lawn mower matched with loader

Abstract

The mowing machine comprises a machine cover, a guide wheel is arranged at the front end of the machine cover through a pair of guide wheel installation frames, a roller is arranged at the rear end of the machine cover, a hanging frame is arranged above the machine cover, a driving cutter head combination and a pair of driven cutter head combinations are arranged at the bottom of the machine cover respectively, and the driving cutter head combination and the driven cutter head combination are arranged on the machine cover. The driving cutterhead combination and the driven cutterhead combination are in transmission connection through a transmission belt and a belt tensioning mechanism, and the driving cutterhead combination is driven by a hydraulic motor. The hydraulic output of the loader is utilized, the hydraulic motor on the mower rotates, the driving belt wheel is driven to rotate, transmission is divided into two paths, the rotating synchronism of three groups of cutter heads is guaranteed to the maximum extent, the consistency of mowing operation is guaranteed, belt transmission is adopted on the two sides of the belt tensioning mechanism, and the tensioning mechanism is simple and convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural equipment, in particular to a lawn mower matched with a loader. Background Art

[0002] A lawn mower is a mechanical tool used to mow lawns, vegetation, etc. It consists of a cutter disc (with mowing blades installed on the cutter disc), a hood, a suspension frame, and a hydraulic motor. The lawn mower is installed on the front of the loader through the suspension frame, and the cutter disc is installed in the hood. The hydraulic motor drives it to rotate at high speed to achieve mowing operations.

[0003] The lawn mowers currently on the market have the following defects: lawn mowers with more than two cutter discs are driven in series by hydraulic motors. Due to the pressure difference and the manufacturing accuracy of the hydraulic motor, the speed of the first cutter disc is normal, the speed of the second cutter disc is slightly reduced, and the speed of the third cutter disc and above is greatly reduced or even stops, which seriously reduces the operating quality of the lawn mower. Utility Model Content

[0004] The utility model aims to provide a lawn mower matched with a loader in view of the defects and shortcomings of the prior art.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: a lawn mower matched with a loader, including a hood, the innovation of which is that a pair of guide wheel mounting frames are used to set guide wheels at the front end of the hood, a roller is set at the rear end of the hood, a suspension frame is set above the hood, an active cutter disc assembly and a pair of driven cutter disc assemblies are respectively set at the bottom of the hood, and they are distributed in a triangular shape, the active cutter disc assembly and the driven cutter disc assembly are connected by a transmission belt and a belt tensioning mechanism, and the active cutter disc assembly is driven by a hydraulic motor;

[0006] The belt tensioning mechanism includes a tensioning wheel fixing plate, a tensioning wheel shaft is arranged on the tensioning wheel fixing plate, a bearing is arranged on the outside of the tensioning wheel shaft, a tensioning wheel is arranged on the outside of the bearing, the tensioning wheel is respectively connected to the driving cutter disc assembly and a pair of driven cutter disc assemblies through a transmission belt, a pair of guide rail plates are arranged on the hood, the tensioning wheel fixing plate is located in the guide rail plates and moves in a limited position on the guide rail plates, a nut fixing plate is also arranged on the upper surface of the tensioning wheel fixing plate, a nut is arranged in the nut fixing plate, an adjusting bolt is connected to the nut through a thread, an adjusting plate is arranged on the surface of the hood, an adjusting nut is arranged inside the adjusting plate, and the adjusting bolt is threadedly connected to the adjusting nut.

[0007] Furthermore, a plurality of adjustment gaskets are arranged on the upper part of the guide wheel mounting frame, and the adjustment gaskets are removed and placed on the lower part of the guide wheel mounting frame to adjust the height of the guide wheel.

[0008] Furthermore, roller mounting plates are respectively arranged on the left and right sides of the roller, and an upper connecting plate is arranged at the corresponding position of the hood, and a plurality of adjustment holes are provided on the upper connecting plate, that is, the height of the roller can be adjusted by changing the relative position of the adjustment holes of the roller mounting plate and the upper connecting plate.

[0009] Furthermore, a floating component is arranged between the suspension frame and the hood, and the floating component includes a floating plate mounting frame and a floating plate. The floating plate mounting frame is a groove-type structure and is fixedly mounted on the hood. The floating plate is located in the groove of the floating plate mounting frame, and one end is hinged to the floating plate mounting frame, and the other end is hinged to the suspension frame.

[0010] Furthermore, the active cutter disc assembly includes a connecting flange that is transmission-connected to the output shaft of the hydraulic motor, the connecting flange is transmission-connected to the active cutter shaft, the upper part of the active cutter shaft is sleeved on the active pulley, and the lower part is sleeved on the active bearing, the active pulley is wound and connected with the transmission belt, the outer part of the active bearing is sleeved on the active bearing seat, the active bearing seat is fixedly connected to the machine cover through the active bearing seat fixing plate, and an active mowing knife is arranged at the bottom of the active cutter shaft.

[0011] Furthermore, the driven cutter disc assembly includes a driven cutter shaft, the upper part of the driven cutter shaft is sleeved on a driven pulley, the lower part of the driven cutter shaft is sleeved on a driven bearing, the driven pulley is wound and connected with a transmission belt, the outer part of the driven bearing is sleeved on a driven bearing seat, the driven bearing seat is fixedly connected to the machine hood through a driven bearing seat fixing plate, and a driven mowing knife is arranged at the bottom of the driven cutter shaft.

[0012] After adopting the above structure, the utility model has the following beneficial effects:

[0013] 1. The utility model can be matched with various types of loaders, with simple installation and stable operation. The hydraulic output of the loader is used to rotate the hydraulic motor on the mower, driving the active pulley to rotate, and the transmission is divided into two paths: the first active pulley directly drives the active mowing blade of the middle active cutter disc combination to rotate to realize mowing operation; the second active pulley drives the driven pulley to rotate through the transmission belt and the belt tensioning mechanism, and the driven pulley drives the driven mowing blade at the lower part of the driven cutter disc combination to rotate to realize mowing work, which maximizes the synchronization of the rotation of the three sets of cutter discs, thereby ensuring the consistency of the mowing operation, and the belt tensioning mechanism adopts belt transmission on both sides, the tensioning mechanism is simple, and the adjustment is convenient;

[0014] 2. The height of the roller and guide wheel of the utility model can be adjusted to ensure the flatness of the lawn surface after mowing and keep the mowing blade level;

[0015] 3. A floating assembly is provided between the suspension frame and the hood of the utility model to avoid jamming and slipping caused by uneven ground during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is one of the structural schematic diagrams of the present utility model;

[0017] Figure 2 is the second structural schematic diagram of the present utility model;

[0018] Figure 3 is the structural schematic diagram of the belt tensioning mechanism in the present utility model;

[0019] Figure 4 is the structural schematic diagram of the active cutter head assembly in the present utility model;

[0020] Figure 5 is the structural schematic diagram of the driven cutter head assembly in the present utility model.

[0021] Explanation of reference numerals:

[0022] 1. Hood; 2. Guide wheel mounting bracket; 21. Adjusting shim; 3. Guide wheel; 4. Drum; 41. Roller mounting plate; 42. Upper connecting plate; 43. Adjusting hole; 5. Suspension bracket; 6. Active cutter head assembly; 61. Connecting flange; 62. Active cutter shaft; 63. Active belt pulley; 64. Active bearing; 65. Active bearing seat; 66. Active bearing seat fixing plate; 67. Active mowing cutter; 7. Driven cutter head assembly; 71. Driven cutter shaft; 72. Driven belt pulley; 73. Driven bearing; 74. Driven bearing seat; 75. Driven bearing seat fixing plate; 76. Driven mowing cutter; 8. Transmission belt; 9. Belt tensioning mechanism; 91. Tensioning wheel fixing plate; 92. Tensioning wheel; 93. Guide rail plate; 94. Nut fixing plate; 95. Nut; 96. Adjusting bolt; 97. Adjusting plate; 98. Adjusting nut; 10. Hydraulic motor; 11. Floating assembly; 111. Floating plate mounting bracket; 112. Floating plate. Detailed implementation manners

[0023] The present utility model will be further described below with reference to the accompanying drawings.

[0024] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific implementation manners. It should be understood that the specific implementation manners described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0025] Refer to Figure 1-2A lawn mower matched with a loader comprises a hood 1, a guide wheel 3 is arranged at the front end of the hood 1 through a pair of guide wheel mounting frames 2, a roller 4 is arranged at the rear end of the hood 1, a suspension frame 5 is arranged above the hood 1, an active cutter disc assembly 6 and a pair of driven cutter disc assemblies 7 are arranged at the bottom of the hood 1, and the active cutter disc assembly 6 and the driven cutter disc assembly 7 are respectively arranged in a triangular distribution, a transmission belt 8 and a belt tensioning mechanism 9 are used to transmit and connect the active cutter disc assembly 6 and the driven cutter disc assembly 7, and the active cutter disc assembly 6 is driven by a hydraulic motor 10;

[0026] See also Figure 1 , 3 The belt tensioning mechanism 9 includes a tensioning wheel fixing plate 91, a tensioning wheel shaft is arranged on the tensioning wheel fixing plate 91, a bearing is arranged outside the tensioning wheel shaft, a tensioning wheel 92 is arranged outside the bearing, the tensioning wheel 92 is respectively connected to the active cutter disc assembly 6 and a pair of driven cutter disc assemblies 7 through a transmission belt 8, a pair of guide rail plates 93 are arranged on the hood 1, the tensioning wheel fixing plate 91 is located in the guide rail plate 93, and moves in a limited position on the guide rail plate 93, a nut fixing plate 94 is also arranged on the upper surface of the tensioning wheel fixing plate 91, a nut 95 is arranged in the nut fixing plate 94, and an adjusting bolt 96 is threadedly connected to the nut 95, an adjusting plate 97 is arranged on the surface of the hood 1, an adjusting nut 98 is arranged inside the adjusting plate 97, and the adjusting bolt 96 is threadedly connected to the adjusting nut 98. Since the adjusting bolt 96 is threadedly connected to the adjusting nut 98, the adjusting bolt 96 is rotated to drive the tension wheel fixing plate 91 to move left and right in the guide plate 93, that is, to drive the tension wheel 92 to move left and right, thereby adjusting the tightness between the tension wheel 92 and the transmission belt 8, improving the transmission efficiency, and ensuring the synchronization of the active cutter disc assembly 6 and a pair of driven cutter disc assemblies 7, thereby ensuring the consistency of the mowing operation. Belt transmission is adopted on both sides of the belt tensioning mechanism, and the tensioning mechanism is simple and easy to adjust.

[0027] In this embodiment, roller mounting plates 41 are respectively arranged on the left and right sides of the roller 4, and an upper connecting plate 42 is arranged at the corresponding position of the hood 1. The upper connecting plate 42 has a plurality of adjustment holes 43, that is, the roller height can be adjusted by changing the relative position of the roller mounting plate and the adjustment holes of the upper connecting plate. According to the operation requirements, the roller height can be adjusted by changing the relative position of the roller mounting plate and the adjustment holes of the upper connecting plate, that is, the stubble height can be adjusted.

[0028] In this embodiment, a plurality of adjustment shims 21 are arranged on the upper part of the guide wheel mounting frame 2. After the adjustment shims 21 are removed and placed on the lower part of the guide wheel mounting frame 2, the height of the guide wheel 3 can be adjusted. The guide wheel mounting frame 2 is a columnar structure as a whole, and a plurality of adjustment shims 21 are sleeved on the upper part. For example, if the drum 4 is adjusted downward by one hole, that is, the stubble becomes 10 mm higher, then one of the adjustment shims 21 on the upper part of the guide wheel mounting frame is removed and placed on the lower part to complete the adjustment; if the drum 4 is adjusted downward by two holes, that is, the stubble becomes 20 mm higher, then both of the adjustment shims on the upper part of the guide wheel mounting frame are placed on the lower part to complete the adjustment.

[0029] The height adjustment of the roller 4 and the guide wheel 3 is unified. In order to keep the mowing blade level, after adjusting the roller 4, the height of the guide wheel 3 must be adjusted. Adjustable guide wheels 3 and rollers 4 are set at the front and rear to ensure that the surface of the lawn after mowing is flat and the stubble height can be adjusted.

[0030] In this embodiment, a floating assembly 11 is arranged between the suspension frame 5 and the hood 1, and the floating assembly 11 includes a floating plate mounting frame 111 and a floating plate 112. The floating plate mounting frame 111 is a groove-shaped structure and is fixedly mounted on the hood 1. The floating plate 112 is located in the groove of the floating plate mounting frame 111, and one end is hinged to the floating plate mounting frame 111, and the other end is hinged to the suspension frame 5. The floating plate 112 moves in the floating plate mounting frame 111 to avoid the occurrence of stagnation and slippage caused by uneven ground during operation.

[0031] See also Figure 4 The active cutter assembly 6 includes a connecting flange 61 that is transmission-connected to the output shaft of the hydraulic motor, the connecting flange 61 is transmission-connected to the active cutter shaft 62, the upper part of the active cutter shaft 62 is sleeved with an active pulley 63, the lower part of the active cutter shaft 62 is sleeved with an active bearing 64, the active pulley 63 is wound and connected with the transmission belt 8, the outer part of the active bearing 64 is sleeved with an active bearing seat 65, the active bearing seat 65 is fixedly connected to the hood 2 through an active bearing seat fixing plate 66, and an active mowing blade 67 is arranged at the bottom of the active cutter shaft 62. The hydraulic output of the loader is used to rotate the hydraulic motor 10, drive the active pulley 63 to rotate, thereby driving the active cutter shaft 62 to rotate and the active mowing blade 67 to rotate, and perform mowing operations, which is the first transmission.

[0032] See also Figure 5, the driven cutter head assembly 7 includes a driven cutter shaft 71. A driven pulley 72 is sleeved on the upper part of the driven cutter shaft 71, and a driven bearing 73 is sleeved on its lower part. The driven pulley 72 is wound and connected with a transmission belt 8. The outside of the driven bearing 73 is sleeved with a driven bearing seat 74. The driven bearing seat 74 is fixedly connected with the machine cover 1 through a driven bearing seat fixing plate 75. A driven mowing cutter 76 is arranged at the bottom of the driven cutter shaft 71. The driven pulley 72 is driven to rotate by the transmission belt 8 and the belt tensioning mechanism 9, and the driven pulley drives the driven mowing cutter 76 at the lower part of the driven cutter shaft 71 to rotate to achieve the mowing work. This is the second-way transmission.

[0033] In summary, through the first-way transmission and the second-way transmission, the synchronism of the rotation of the three groups of cutter heads is ensured to the greatest extent, so as to ensure the consistency of the mowing operation. At the same time, an integral mowing cutter is adopted, the gap does not need to be adjusted, and the hydraulic motor plus belt drive has small vibration and stable performance.

[0034] The above is only used to illustrate the technical solution of the present invention and not to limit it. Other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A lawn mower matched with a loader, comprising a hood, characterized in that: A pair of guide wheel mounting frames are provided at the front end of the hood, a roller is provided at the rear end of the hood, a suspension frame is provided above the hood, an active cutter disc assembly and a pair of driven cutter disc assemblies are provided at the bottom of the hood, and the active cutter disc assembly and the driven cutter disc assembly are respectively provided, and are distributed in a triangular shape, a transmission belt and a belt tensioning mechanism are used for transmission connection between the active cutter disc assembly and the driven cutter disc assembly, and the active cutter disc assembly is driven by a hydraulic motor; The belt tensioning mechanism includes a tensioning wheel fixing plate, a tensioning wheel shaft is arranged on the tensioning wheel fixing plate, a bearing is arranged on the outside of the tensioning wheel shaft, a tensioning wheel is arranged on the outside of the bearing, the tensioning wheel is respectively connected to the driving cutter disc assembly and a pair of driven cutter disc assemblies through a transmission belt, a pair of guide rail plates are arranged on the hood, the tensioning wheel fixing plate is located in the guide rail plates and moves in a limited position on the guide rail plates, a nut fixing plate is also arranged on the upper surface of the tensioning wheel fixing plate, a nut is arranged in the nut fixing plate, an adjusting bolt is connected to the nut through a thread, an adjusting plate is arranged on the surface of the hood, an adjusting nut is arranged inside the adjusting plate, and the adjusting bolt is threadedly connected to the adjusting nut.

2. A lawn mower matched with a loader according to claim 1, characterized in that: A plurality of adjusting gaskets are arranged on the upper part of the guide wheel mounting frame. The adjusting gaskets are taken out and placed on the lower part of the guide wheel mounting frame to adjust the height of the guide wheel.

3. The lawn mower matched with a loader according to claim 1, characterized in that: Roller mounting plates are respectively arranged on the left and right sides of the drum, and an upper connecting plate is arranged at the corresponding position of the machine cover. A plurality of adjustment holes are provided on the upper connecting plate, and the height of the drum can be adjusted by changing the relative positions of the adjustment holes of the roller mounting plate and the upper connecting plate.

4. The lawn mower matched with a loader according to claim 1, characterized in that: A floating component is arranged between the suspension frame and the hood, and the floating component includes a floating plate mounting frame and a floating plate. The floating plate mounting frame is a groove-type structure and is fixedly mounted on the hood. The floating plate is located in the groove of the floating plate mounting frame, and one end is hinged to the floating plate mounting frame, and the other end is hinged to the suspension frame.

5. The lawn mower matched with a loader according to claim 1, characterized in that: The active cutter disc assembly includes a connecting flange that is transmission-connected to the output shaft of the hydraulic motor, the connecting flange is transmission-connected to the active cutter shaft, the upper part of the active cutter shaft is sleeved with an active pulley, and the lower part is sleeved with an active bearing, the active pulley is wound and connected with a transmission belt, the outer part of the active bearing is sleeved with an active bearing seat, the active bearing seat is fixedly connected to the machine cover through an active bearing seat fixing plate, and an active mowing knife is arranged at the bottom of the active cutter shaft.

6. The lawn mower matched with a loader according to claim 1, characterized in that: The driven cutter disc assembly includes a driven cutter shaft, the upper part of the driven cutter shaft is sleeved with a driven pulley, the lower part of the driven cutter shaft is sleeved with a driven bearing, the driven pulley is wound and connected with a transmission belt, the outer part of the driven bearing is sleeved with a driven bearing seat, the driven bearing seat is fixedly connected to the machine cover through a driven bearing seat fixing plate, and a driven mowing knife is arranged at the bottom of the driven cutter shaft.

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