Suspension mechanism for electric tractor

Abstract

The utility model discloses a suspension mechanism for an electric tractor, and particularly relates to the technical field of tractor suspension mechanisms, the suspension mechanism comprises a mounting plate, the inner side of a rotating frame I is rotatably connected with a hydraulic rod, the output end of the hydraulic rod is fixedly connected with a buffer assembly I, and one side, far away from the hydraulic rod, of the buffer assembly I is rotatably connected with an adjusting assembly; second buffer assemblies are fixedly connected to the rear sides of the faces, close to each other, of the left mounting frame and the right mounting frame correspondingly, fixing rods are fixedly connected to the middles of the left surface and the right surface of the second rotating frame correspondingly, and the fixing rods are rotationally connected with the second buffer assemblies; the effect of buffering force generated by bumping of the farm tool can be achieved through mutual cooperation of the first buffering assembly and the second buffering assembly, the situation that the force generated by bumping of the farm tool completely acts on the hanging mechanism, and consequently the service life of the hanging mechanism is shortened is prevented, and compared with a traditional installation mode, operation is simpler and more convenient through the arranged adjusting assembly; and a user can quickly complete the installation of the farm tool.

Description

Technical Field

[0001] The utility model relates to the technical field of tractor suspension mechanisms, in particular to a suspension mechanism for an electric tractor. Background Art

[0002] An electric tractor is a self-propelled agricultural power machinery. In the agricultural field, electric tractors are used as power in conjunction with various agricultural implements to complete corresponding operations, thereby performing farming and transportation operations. Electric tractors and agricultural implements are generally connected through a suspension mechanism.

[0003] The traditional electric tractor suspension mechanism is slow to adjust the suspension mechanism when combined with agricultural implements. The distance of the suspension mechanism can be combined with the agricultural implement by rotating the screws on the left and right sides. In addition, the traditional electric tractor suspension mechanism does not have a buffering effect, which will cause the agricultural implements suspended at the rear of the electric tractor to vibrate when it is on a rough road, making it impossible to buffer the force generated by the agricultural implements on the suspension mechanism, which will reduce the service life of the electric tractor suspension mechanism and also make the electric tractor move smoothly. Summary of the invention

[0004] The purpose of the utility model is to provide a suspension mechanism for an electric tractor to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a suspension mechanism for an electric tractor, comprising a mounting plate, the surface of the mounting plate is provided with mounting holes penetrating the front and rear surfaces at four corners, a rotating frame 1 is fixedly connected above the front surface of the mounting plate, a hydraulic rod is rotatably connected to the inner side of the rotating frame 1, a buffer component 1 is fixedly connected to the output end of the hydraulic rod, an adjusting component is rotatably connected to the side of the buffer component 1 away from the hydraulic rod, the left and right sides of the adjusting component are fixedly connected to mounting frames, a fixing pin is fixedly connected to the front side of the two mounting frames close to each other, a buffer component 2 is fixedly connected to the rear side of the two left and right mounting frames close to each other, a rotating frame 2 is fixedly connected below the front surface of the mounting plate, a fixing rod is fixedly connected to the middle of the left and right surfaces of the rotating frame 2, and the fixing rod is rotatably connected to the buffer component 2.

[0006] Preferably, the buffer component 1 includes a fixed block, the upper surface of the fixed block is fixedly connected to the output end of the hydraulic rod, the surface of the fixed block located on the left and right sides of the hydraulic rod is slidably connected with a sliding rod 1, the lower ends of the two sliding rods are fixedly connected to a connecting block, the surface of the sliding rod 1 is located between the fixed block and the connecting block and is sleeved with a buffer spring 1, and the two ends of the buffer spring 1 are respectively fixedly connected to the fixed block and the connecting block.

[0007] Preferably, the adjustment assembly includes a sliding box, a worm is rotatably connected to the middle part of the front side of the sliding box, a worm wheel is meshingly connected to the rear side of the worm, an adjusting screw is fixedly connected to the middle part of the worm wheel, telescopic blocks are threadedly connected to the left and right surfaces of the adjusting screw, two telescopic blocks are slidably connected to the sliding box, and the sides of the left and right telescopic blocks that are away from each other are respectively fixedly connected to the left and right mounting frames, and the upper end of the worm passes through the outside of the sliding box and is fixedly connected to a transmission rod.

[0008] Preferably, the sliding box has limit blocks fixedly connected to the left and right sides of the worm gear, and the two limit blocks are rotatably connected to the adjusting screw.

[0009] Preferably, the second buffer component includes two rotating blocks arranged on the left and right, and the left and right rotating blocks are movably connected to the fixed rods on the left and right sides respectively, and the upper and lower sides of the front surfaces of the two rotating blocks are fixedly connected with sliding rods 2, and the surfaces of the two sliding rods on the same sides are slidably connected with sliders, and the surfaces of the two sliding rods on the same sides are located on the front and rear sides of the sliders and are sleeved with buffer springs 2, and the sides of the two sliders on the left and right sides that are away from each other are fixedly connected to the rear sides of the left and right mounting frames respectively.

[0010] Preferably, the fixing pin is square, which can prevent the agricultural implement from rotating after being installed.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model cooperates with each other through the provided buffer component one and the buffer component two, and drives the sliding rod one to slide inside the fixed block through the movement of the connecting block, so that the buffer spring one contracts or expands. At the same time, the mounting frame drives the sliders on both sides to slide on the surface of the sliding rod two, and applies force to the buffer springs two on the front and rear sides of the slider, so that the buffer springs two on the front and rear sides contract or expand, thereby achieving the effect of buffering the force generated by the bump of the farm implement, preventing the force generated by the bump of the farm implement from being unable to be buffered, resulting in the force all acting on the suspension mechanism, thereby reducing the service life of the suspension mechanism.

[0013] The utility model provides an adjusting component, which drives the worm to rotate by rotating the transmission rod, which drives the worm wheel to rotate by the worm, thereby driving the adjusting screw to rotate, and the telescopic blocks on the left and right sides are moved toward or in the opposite directions inside the sliding box by the adjusting screw, thereby driving the mounting frames on both sides to move, so that the fixing pin enters the inside of the farm implement socket, and the installation combination of the farm implement is completed. Compared with the traditional installation method, this method is simpler and more convenient to operate, so that the user can quickly complete the installation of the farm implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a structural schematic diagram of a buffer component of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the adjustment component of the utility model;

[0018] Figure 5 This is a structural schematic diagram of the second buffer component of the utility model.

[0019] In the figure: 1. mounting plate; 2. mounting hole; 3. rotating frame 1; 4. hydraulic rod; 5. buffer component 1; 6. adjustment component; 7. mounting frame; 8. fixing pin; 9. buffer component 2; 10. rotating frame 2; 11. fixing rod; 501. fixing block; 502. sliding rod 1; 503. connecting block; 504. buffer spring 1; 601. sliding box; 602. worm; 603. worm wheel; 604. adjusting screw; 605. telescopic block; 606. limiting block; 607. transmission rod; 901. rotating block; 902. sliding rod 2; 903. slider; 904. buffer spring 2. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 The utility model provides a technical solution: a suspension mechanism for an electric tractor, comprising a mounting plate 1, wherein the mounting plate 1 has mounting holes 2 penetrating the front and rear surfaces at four corners thereof, a rotating frame 3 is fixedly connected above the front surface of the mounting plate 1, a hydraulic rod 4 is rotatably connected to the inner side of the rotating frame 3, a buffer assembly 5 is fixedly connected to the output end of the hydraulic rod 4, an adjusting assembly 6 is rotatably connected to the side of the buffer assembly 5 away from the hydraulic rod 4, mounting frames 7 are fixedly connected to the left and right sides of the adjusting assembly 6, a fixing pin 8 is fixedly connected to the front side of the two mounting frames 7 which are close to each other, a buffer assembly 2 9 is fixedly connected to the rear side of the side of the left and right mounting frames 7 which are close to each other, a rotating frame 2 10 is fixedly connected to the lower side of the front surface of the mounting plate 1, a fixing rod 11 is fixedly connected to the middle of the left and right surfaces of the rotating frame 2 10, and the fixing rod 11 is rotatably connected to the buffer assembly 2 9.

[0022] By cooperating with the buffer component 1 5 and the buffer component 2 9, when the electric tractor is traveling on a rough road, the force generated by the bumps of the rear agricultural implement will be buffered by the buffer component 1 5 and the buffer component 2 9, so as to prevent the force generated by the bumps of the agricultural implement from being unable to be buffered and being applied to the suspension mechanism of the electric tractor, thereby reducing the life of the suspension mechanism. The distance between the left and right mounting frames 7 can be quickly adjusted by the adjustment component 6, so as to facilitate the installation and combination of the agricultural implements.

[0023] See also Figure 1 , Figure 2 The buffer assembly 5 includes a fixed block 501, the upper surface of the fixed block 501 is fixedly connected to the output end of the hydraulic rod 4, the surface of the fixed block 501 is located on both sides of the hydraulic rod 4 and is slidably connected with sliding rods 502, the lower ends of the two sliding rods 502 are fixedly connected with connecting blocks 503, the surface of the sliding rod 502 is located between the fixed block 501 and the connecting block 503 and is sleeved with a buffer spring 504, and the two ends of the buffer spring 504 are respectively fixedly connected to the fixed block 501 and the connecting block 503.

[0024] When the farm implement on the rear side of the electric tractor is bumped, the mounting frame 7 will move, thereby driving the adjusting assembly 6 to move. When the adjusting assembly 6 moves, the connecting block 503 will move, and the sliding rod 502 will slide inside the fixed block 501 through the connecting block 503, so that the buffer spring 504 will contract or expand, thereby buffering the force generated by the bumping of the farm implement.

[0025] See also Figure 3 , Figure 4 The adjustment component 6 includes a sliding box 601, a worm 602 is rotatably connected to the middle of the front side of the sliding box 601, a worm wheel 603 is meshedly connected to the rear side of the worm 602, an adjusting screw 604 is fixedly connected to the middle of the worm wheel 603, and telescopic blocks 605 are threadedly connected to the left and right surfaces of the adjusting screw 604. The two telescopic blocks 605 are slidably connected to the sliding box 601, and the sides of the left and right telescopic blocks 605 that are away from each other are fixedly connected to the left and right mounting frames 7 respectively. The upper end of the worm 602 penetrates through the outside of the sliding box 601 and is fixedly connected to a transmission rod 607.

[0026] Limit blocks 606 are fixedly connected to the left and right sides of the worm gear 603 inside the sliding box 601 , and the two limit blocks 606 are rotatably connected to the adjusting screw 604 .

[0027] When it is necessary to install the farm implement, the hydraulic rod 4 is first extended and retracted to move the buffer assembly 1 5 and the adjustment assembly 6 downward, so that the fixing pin 8 on the surface of the mounting frame 7 and the socket of the farm implement are in a colinear state, and then the worm 602 is driven to rotate by rotating the transmission rod 607, and the worm wheel 603 is driven to rotate by the worm 602, and then the adjusting screw 604 is driven to rotate, and the telescopic blocks 605 on the left and right sides are moved toward or in the opposite direction inside the sliding box 601 by adjusting the screw 604, thereby driving the mounting frames 7 on both sides to move, so that the fixing pin 8 enters the socket of the farm implement, and the installation combination of the farm implement is completed.

[0028] See also Figure 5 The buffer component 9 includes two rotating blocks 901 arranged on the left and right, and the left and right rotating blocks 901 are movably connected to the fixed rods 11 on the left and right sides respectively. The front surfaces of the two rotating blocks 901 are fixedly connected with sliding rods 902 on both the upper and lower sides. The surfaces of the two sliding rods 902 on the same side are slidably connected with sliders 903. The surfaces of the two sliding rods 902 on the same side are located on the front and rear sides of the sliders 903 and are sleeved with buffer springs 904. The sides of the left and right sliders 903 that are away from each other are fixedly connected to the rear sides of the left and right mounting frames 7 respectively.

[0029] When the farm implement on the rear side of the electric tractor is bumped, the mounting frame 7 will move, and the mounting frames 7 on both sides will drive the sliders 903 on both sides to slide on the surface of the sliding rod 902, and apply force to the buffer springs 904 on the front and rear sides of the slider 903, so that the buffer springs 904 on the front and rear sides will contract or expand, thereby buffering the force generated by the bumping of the farm implement.

[0030] Working principle: When using the device, first install the entire mechanism above the electric tractor through the mounting hole 2, then move the buffer assembly 5 and the adjustment assembly 6 downward by telescoping the hydraulic rod 4, so that the fixing pin 8 on the surface of the mounting frame 7 and the socket of the farm implement are in a colinear state, and then the worm 602 is driven to rotate by rotating the transmission rod 607, and the worm wheel 603 is driven to rotate by the worm 602, and then the adjusting screw 604 is driven to rotate, and the telescopic blocks 605 on the left and right sides are moved toward or in the opposite direction inside the sliding box 601 by adjusting the screw 604, thereby driving the mounting frames 7 on both sides to move, so that the fixing pin 8 enters the socket of the farm implement. , completing the rapid installation combination of the agricultural implements. When the electric tractor travels on an uneven ground, the agricultural implements on the rear side will move the mounting frame 7, thereby driving the adjusting assembly 6 to move. When the adjusting assembly 6 moves, the connecting block 503 will move, and the sliding rod 1 502 will be driven to slide inside the fixed block 501 through the connecting block 503, so that the buffer spring 1 504 will contract or expand. At the same time, the mounting frame 7 drives the sliders 903 on both sides to slide on the surface of the sliding rod 2 902, and applies force to the buffer springs 2 904 on the front and rear sides of the slider 903, so that the buffer springs 2 904 on the front and rear sides will contract or expand, thereby achieving the effect of buffering the force generated by the bumps of the agricultural implements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A suspension mechanism for an electric tractor, comprising a mounting plate (1), characterized in that: The surface of the mounting plate (1) is provided with mounting holes (2) penetrating the front and rear surfaces at four corners. A rotating frame (3) is fixedly connected above the front surface of the mounting plate (1). A hydraulic rod (4) is rotatably connected to the inner side of the rotating frame (3). A buffer component (5) is fixedly connected to the output end of the hydraulic rod (4). An adjustment component (6) is rotatably connected to the side of the buffer component (5) away from the hydraulic rod (4). The left and right sides of the adjustment component (6) are fixedly connected to mounting frames (7). A fixing pin (8) is fixedly connected to the front side of the two mounting frames (7) close to each other. A buffer component (9) is fixedly connected to the rear side of the two mounting frames (7) close to each other. A rotating frame (10) is fixedly connected to the lower side of the front surface of the mounting plate (1). A fixing rod (11) is fixedly connected to the middle of the left and right surfaces of the rotating frame (10). The fixing rod (11) is rotatably connected to the buffer component (9).

2. The suspension mechanism for an electric tractor according to claim 1, characterized in that: The buffer component 1 (5) comprises a fixed block (501), the upper surface of the fixed block (501) is fixedly connected to the output end of the hydraulic rod (4), the surface of the fixed block (501) is slidably connected to sliding rods 1 (502) on both the left and right sides of the hydraulic rod (4), the lower ends of the two sliding rods 1 (502) are fixedly connected to connecting blocks (503), the surface of the sliding rod 1 (502) is located between the fixed block (501) and the connecting block (503) and is sleeved with a buffer spring 1 (504), and the two ends of the buffer spring 1 (504) are respectively fixedly connected to the fixed block (501) and the connecting block (503).

3. The suspension mechanism for an electric tractor according to claim 1, characterized in that: The adjustment assembly (6) comprises a sliding box (601), a worm (602) being rotatably connected to the middle of the front side of the sliding box (601), a worm wheel (603) being meshingly connected to the rear side of the worm (602), an adjustment screw (604) being fixedly connected to the middle of the worm wheel (603), telescopic blocks (605) being threadedly connected to the left and right surfaces of the adjustment screw (604), two telescopic blocks (605) being slidably connected to the sliding box (601), and the sides of the left and right telescopic blocks (605) that are away from each other are fixedly connected to the left and right mounting frames (7) respectively, and the upper end of the worm (602) passes through the outside of the sliding box (601) and is fixedly connected to a transmission rod (607).

4. The suspension mechanism for an electric tractor according to claim 3, characterized in that: The sliding box (601) is provided with limit blocks (606) fixedly connected to the left and right sides of the worm gear (603), and the two limit blocks (606) are rotatably connected to the adjusting screw rod (604).

5. The suspension mechanism for an electric tractor according to claim 1, characterized in that: The buffer assembly 2 (9) comprises two rotating blocks (901) arranged on the left and right, the two rotating blocks (901) on the left and right are movably connected to the fixed rods (11) on the left and right sides respectively, the front surfaces of the two rotating blocks (901) are fixedly connected with sliding rods 2 (902) on the upper and lower sides respectively, the surfaces of the two sliding rods 2 (902) on the same side of the left and right are slidably connected with sliders (903), the surfaces of the two sliding rods 2 (902) on the same side of the left and right are sleeved with buffer springs 2 (904) on the front and rear sides of the sliders (903), and the sides of the two sliders (903) on the left and right sides that are away from each other are fixedly connected with the rear sides of the two mounting frames (7) on the left and right sides respectively.

Images