Damping mechanism of mini-tiller

Abstract

The utility model belongs to the technical field of mini-tillers, and particularly relates to a mini-tiller damping mechanism which comprises a support plate, a diesel engine is arranged on the upper side face of the support plate, vertical frame plates are symmetrically arranged on the lower side of the support plate, and shaft rods are rotationally arranged on the lower sides of the side faces, close to each other, of the vertical frame plates. Transmission wheels are fixedly arranged on the same sides of the shaft rod and the output end of the diesel engine, and a belt is in transmission connection between the transmission wheels. Obvious vibration can be generated when the rotary blade collides with the ground, the vibration is transmitted to the lantern ring through the rotary blade, then the lantern ring drives the clamping block to slightly move in the buffer groove, vibration transmission to the shaft rod through the fixed disc can be reduced, meanwhile, the buffer groove can deform along with movement of the clamping block while supporting the clamping block, the buffer effect is provided, and therefore damping is further conducted; therefore, vibration transmitted to other structures of the device through the shaft rod is effectively reduced, and the influence on other connecting parts is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of micro plough, concretely relates to a micro plough damping mechanism. BACKGROUND

[0002] The micro plough is powered by a small diesel engine or gasoline engine, has the characteristics of light weight, small size and simple structure, and is widely applicable to dry land, paddy field and orchard in plain, mountainous area and hilly area. The micro plough can be freely used in the field, is convenient for users to use and store, and saves the trouble of large agricultural machinery unable to enter the field in mountainous area, and is the best choice for farmers to replace cattle ploughing.

[0003] The common micro plough at present is driven by a diesel engine, and the rotation of the shaft of the rotary plough is driven by a belt wheel and a belt. The rotary plough rotates on the ground and can plough the ground while advancing. However, when the rotary plough rolls and hits the ploughed ground, it will generate a large vibration, which not only easily causes the loose connection of the components of the rotary plough, but also easily causes the user's arm to fatigue and discomfort during operation. TECHNICAL SOLUTION

[0004] In view of the above problems, the utility model aims to provide a micro plough damping mechanism to solve the problem that the rotary plough generates a large vibration when rolling and hitting the ploughed ground, which not only easily causes the loose connection of the components of the rotary plough, but also easily causes the user's arm to fatigue and discomfort during operation.

[0005] To achieve the above purpose, the utility model adopts the technical scheme of a micro plough damping mechanism, which comprises a support plate, a diesel engine is arranged on the upper side of the support plate, vertical support plates are symmetrically arranged on the lower side of the support plate, shafts are rotatably arranged on the lower side of the side of the vertical support plates close to each other, transmission wheels are fixedly arranged on the same side of the shafts and the output end of the diesel engine, a belt is transmissionally connected between the transmission wheels, rotary plough sets are symmetrically and equidistantly fixedly arranged on the outer sides of the shafts, a handle frame is arranged on one side of the support plate, handles are symmetrically arranged on the upper side of the side of the handle frame away from the support plate, the rotary plough set comprises a fixed disc, the fixed disc is fixedly arranged on the outer side of the shaft, a baffle disc is fixedly arranged on one side of the fixed disc, buffer grooves are equidistantly arranged around the outer side of the fixed disc, buffer rubber pads are fixedly arranged on the inner side of the buffer grooves, a sleeve ring is sleeved on the outer side of the fixed disc, rotary ploughs are fixedly arranged on the outer side of the sleeve ring corresponding to the buffer grooves, clamping blocks are fixedly arranged on the inner side of the sleeve ring corresponding to the buffer grooves, the clamping blocks are inserted into the buffer rubber pads, an installation disc is arranged on the side of the sleeve ring away from the baffle disc, the installation disc is clamped with the sleeve ring, equidistantly arranged bolts are arranged on the side of the installation disc away from the fixed disc, and the bolts are threadedly connected with the fixed disc through the installation disc.

[0006] The utility model discloses the beneficial effect is: the obvious vibration is produced when the rotary blade hits the ground, and the vibration is transmitted to the collar through the rotary blade, and then the collar drives the clamping block to slightly move in the buffer groove, can reduce the transmission of vibration to the shaft through the fixed disc, and the buffer groove is deformed along with the movement of the clamping block when supporting the clamping block, provides the buffering effect, further shock absorption is carried out, thereby effectively reducing the transmission of vibration to the rest of the device through the shaft, and the influence on the rest of the connecting components is reduced.

[0007] In order to adjust the extension length of the rotary blade as required;

[0008] As a further improvement of the above technical solution: the outer side of the fixed disc is provided with a tool sleeve shell corresponding to the rotary blade, the rotary blade is inserted with the tool sleeve shell, the side surface of the tool sleeve shell is provided with an adjusting groove, the inner side of the adjusting groove is provided with an end block one, the side of the end block one close to the mounting disc is fixedly provided with a double-headed threaded telescopic rod, the side of the double-headed threaded telescopic rod away from the rotary blade is fixedly provided with an end block two, and the end block two is fixedly connected with the tool sleeve shell.

[0009] The beneficial effect of the improvement is that the double-headed threaded telescopic rod is twisted, the two ends of the double-headed threaded telescopic rod are telescopic, the rotary blade can be driven to move through the end block one, and the extension length of the rotary blade can be adjusted as required.

[0010] In order to enhance the stability of the device;

[0011] As a further improvement of the above technical solution: the bracket plate is symmetrically fixedly provided with an inclined rod on the lower side of the side close to the handle frame, and the lower end of the inclined rod is rotatably provided with an auxiliary wheel.

[0012] The beneficial effect of the improvement is that the auxiliary wheel is arranged to assist the movement of the device, and the stability of the device is enhanced.

[0013] In order to shield the mud;

[0014] As a further improvement of the above technical solution: the lower side of the bracket plate is fixedly provided with a rubber mudguard between the shaft and the inclined rod.

[0015] The beneficial effect of the improvement is that the rubber mudguard is arranged to shield the mud.

[0016] In order to reduce the transmission of horizontal shaking and vibration to the handle;

[0017] As a further improvement of the above technical solution: the fixed block is fixedly arranged at the middle of the side of the support plate close to the handle frame, the two side surfaces of the fixed block are fixedly provided with the inserting rods, the middle of the inserting rod is slidably sleeved with the movable block, the movable block is fixedly connected with the lower side of the handle frame, the two sides of the movable block are sleeved with the spring outside the inserting rod, and the end of the inserting rod away from the fixed block is threadedly provided with the threaded ring.

[0018] The improved device has the beneficial effects that: when the rotary tiller group is rotating, the device is prone to left-right shaking and vibration due to the irregularity of the ground, the spring at the two ends of the movable block provides buffering, and the horizontal shaking and vibration can be reduced to be transmitted to the handle.

[0019] In order to increase the comfort when holding the handle with hands;

[0020] As a further improvement of the above technical solution: the outside of the handle is sleeved with the buffer rubber sleeve, the inside of the buffer rubber sleeve is equidistantly fixedly provided with the inner rubber ring, and the inner rubber ring is sleeved outside the handle.

[0021] The improved device has the beneficial effects that: the buffer rubber sleeve and the inner rubber ring are arranged, the gap between the inner rubber rings can greatly reduce the vibration transmitted to the hands, and the comfort when holding the handle with hands is increased.

[0022] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a structural schematic diagram of the utility model;

[0024] Figure 2 The figure is a connection structural schematic diagram of the shaft rod in the utility model;

[0025] Figure 3 The figure is an expanded view of the rotary tiller group in the utility model;

[0026] Figure 4 The figure is a cross-sectional view of the handle sleeve in the utility model;

[0027] In the figure: 1, support plate; 2, diesel engine; 3, vertical support plate; 4, shaft; 5, rotary tiller group; 51, fixed disc; 52, baffle disc; 53, buffer groove; 54, buffer rubber pad; 55, collar; 56, clamping block; 57, rotary tiller; 58, mounting disc; 59, tiller housing; 510, adjusting groove; 511, double-headed threaded telescopic rod; 512, end block one; 513, end block two; 6, transmission wheel; 7, handle frame; 8, buffer rubber sleeve; 81, inner rubber ring; 9, inclined rod; 10, auxiliary wheel; 11, rubber mudguard; 12, movable block; 13, insertion rod; 14, fixed block; 15, spring; 16, threaded ring. DETAILED DESCRIPTION

[0028] In order to make the technical personnel in the art better understand the technical solutions of the present application, the present application will be described in detail below in conjunction with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0029] As Figure 1 — Figure 4The utility model discloses a kind of micro tiller damping mechanisms, including support plate 1, the upper side of the support plate 1 is provided with diesel engine 2, the lower side of the support plate 1 is symmetrically provided with vertical support plate 3, the lower side of the side face of the vertical support plate 3 close to each other is rotatably provided with shaft 4, the output end of the shaft 4 and diesel engine 2 same side is fixedly provided with transmission wheel 6, transmission belt is transmission connected between the transmission wheel 6, the outer side of the shaft 4 both sides is symmetrically fixedly provided with rotary tiller group 5, one side of the support plate 1 is provided with handle frame 7, the upper side of the side face of handle frame 7 away from support plate 1 is symmetrically provided with handle, the rotary tiller group 5 includes fixed disc 51, the fixed disc 51 is fixedly provided on the outer side of shaft 4, one side of the fixed disc 51 is fixedly provided with baffle disc 52, the outer side of the fixed disc 51 is equidistantly surrounded and is provided with buffer groove 53, the inner side of the buffer groove 53 is fixedly provided with buffer rubber pad 54, the outer side of the fixed disc 51 is sleevedly provided with sleeve ring 55, the outer side of the sleeve ring 55 is fixedly provided with rotary tiller 57 corresponding buffer groove 53, the inner side of the sleeve ring 55 is fixedly provided with clamping block 56 corresponding buffer groove 53, the clamping block 56 is inserted and clamped on the inner side of buffer rubber pad 54, the side of the sleeve ring 55 away from baffle disc 52 is provided with mounting disc 58, the mounting disc 58 is clamped with sleeve ring 55, the side of the mounting disc 58 away from fixed disc 51 is equidistantly surrounded and is provided with bolt, the bolt is screwed with fixed disc 51 and is penetrated mounting disc 58, when rotary tiller 57 hits ground, it will produce obvious vibration, vibration is transmitted to sleeve ring 55 through rotary tiller 57, then sleeve ring 55 drives clamping block 56 to slightly move in buffer groove 53, can reduce vibration transmission to shaft 4 through fixed disc 51, simultaneously, buffer groove 53 is deformed along with the movement of clamping block 56 when supporting clamping block 56, provides buffering effect, to further shock absorption, to effectively reduce vibration transmission to the rest of the structure of the device through shaft 4, reduce the influence to the rest of each connecting component, the outer side of the fixed disc 51 is fixedly provided with tool sleeve shell 59 corresponding rotary tiller 57, the rotary tiller 57 is inserted with tool sleeve shell 59, the side of the tool sleeve shell 59 is provided with adjusting groove 510, the inner side of the adjusting groove 510 is slidably provided with end block one 512, the side of the end block one 512 close to mounting disc 58 is fixedly provided with double-headed threaded telescopic rod 511, the side of the double-headed threaded telescopic rod 511 away from rotary tiller 57 is fixedly provided with end block two 513, the end block two 513 is fixedly connected with tool sleeve shell 59,The two ends of the double-head threaded telescopic rod 511 can be telescoped to drive the rotary tiller 57 to move through the end block 1, and the rotary tiller 57 can be adjusted in length according to needs, the support plate 1 is symmetrically and fixedly provided with the inclined rods 9 on the lower side of the side close to the handle frame 7, the lower ends of the inclined rods 9 are all rotationally provided with the auxiliary wheels 10, the auxiliary wheels 10 are arranged to assist the movement of the device and enhance the stability of the device, the lower side of the support plate 1 is fixedly provided with the rubber mudguards 11 between the shaft rod 4 and the inclined rods 9, the rubber mudguards 11 are arranged to shield mud, the support plate 1 is fixedly provided with the fixed blocks 14 on the middle of the side close to the handle frame 7, the two side faces of the fixed blocks 14 are all fixedly provided with the insertion rods 13, the middle parts of the insertion rods 13 are all slidingly sleeved with the movable blocks 12, the movable blocks 12 are all fixedly connected with the lower side of the handle frame 7, the two sides of the movable blocks 12 are all sleeved with the springs 15 outside the insertion rods 13, and the ends, away from the fixed blocks 14, of the insertion rods 13 are all threadedly provided with the threaded rings 16, when the rotary tiller group 5 is used to rotate and till, the device is prone to left-right shaking and vibration due to the irregularity of the ground, the springs 15 at the two ends of the movable blocks 12 can provide buffering, so that the horizontal shaking and vibration can be reduced to be transmitted to the handle, the outer sides of the handles are all sleeved with the buffer rubber sleeves 8, the inner sides of the buffer rubber sleeves 8 are fixedly provided with the inner rubber rings 81 at equal intervals, the inner rubber rings 81 are sleeved outside the handles, and the clearance between the buffer rubber sleeves 8 and the inner rubber rings 81 can greatly reduce the vibration transmitted to the hands, so that the comfort when the hands hold the handles is increased.

[0030] The working principle and use process of the utility model are as follows:

[0031] In use, the output end of the diesel engine 2 drives the transmission wheel 6 to rotate, the transmission wheel 6 drives the rotary tiller group 5 to rotate through the shaft 4 and drive the rotary tiller group 5 to rotate against the ground, when the rotary tiller group 5 rotates, the rotary tiller 57 constantly hits the ground, the rotary tiller 57 hits the ground and generates obvious vibration, the vibration is transmitted to the sleeve ring 55 through the rotary tiller 57, then the sleeve ring 55 drives the clamping block 56 to slightly move in the buffer groove 53, which can reduce the vibration transmitted to the shaft 4 through the fixed disc 51, at the same time, the buffer groove 53 deforms with the movement of the clamping block 56 to provide buffering effect, thereby further reducing the vibration transmitted to the rest of the device through the shaft 4, reducing the influence on the rest of the connecting parts, in addition, the double-headed threaded telescopic rod 511 is twisted, the two ends of the double-headed threaded telescopic rod 511 are telescopic, and the rotary tiller 57 can be driven to move through the end block one 512 to adjust the extension length of the rotary tiller 57 as required, in addition, the auxiliary wheel 10 is arranged to assist the device to move and enhance the stability of the device, in addition, the rubber mudguard 11 is arranged to shield mud, in addition, when the rotary tiller group 5 rotates to till the ground, the device is prone to left-right shaking and vibration due to the irregularity of the ground, the springs 15 at the two ends of the movable block 12 provide buffering to reduce the horizontal shaking and vibration transmitted to the handle, in addition, the buffer rubber sleeve 8 and the inner rubber ring 81 are arranged, and the gap between the inner rubber rings 81 can greatly reduce the vibration transmitted to the hand, thereby increasing the comfort when the hand holds the handle.

[0032] It should be noted that, in this document, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] The principles and implementation modes of the present application are described by using specific examples, and the above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred embodiment of the present application, and it should be pointed out that due to the limitation of language expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principles of the present application, and the above technical features can be combined in an appropriate way; these improvements, decorations, changes or combinations, or the application of the inventive concept and technical solution to other occasions without improvement, shall be regarded as the protection scope of the present application.

Claims

1. A shock absorption mechanism for a micro-tiller, characterized in that: The system includes a support plate (1), a diesel engine (2) is mounted on the upper side of the support plate (1), and upright plates (3) are symmetrically mounted on the lower side of the support plate (1). A shaft (4) is rotatably mounted on the lower side of the side of the upright plates (3) that are close to each other. A transmission wheel (6) is fixedly mounted on the same side of the output end of the shaft (4) and the diesel engine (2). A belt is connected between the transmission wheels (6). Rotary tiller blades (5) are symmetrically and equidistantly mounted on both sides of the outer side of the shaft (4). A handle frame (7) is mounted on one side of the support plate (1). Handles are symmetrically mounted on the upper side of the side of the handle frame (7) away from the support plate (1). The rotary tiller blades (5) include a fixed plate (51). The fixed plate (51) is fixedly mounted on the outer side of the shaft (4). A baffle plate (5) is fixedly mounted on one side of the fixed plate (51). 2) The outer side of the fixed plate (51) is provided with buffer grooves (53) at equal intervals. The inner side of the buffer grooves (53) is fixedly provided with buffer rubber pads (54). The outer side of the fixed plate (51) is provided with collars (55). The outer side of the collars (55) is fixedly provided with rotary tillers (57) corresponding to the buffer grooves (53). The inner side of the collars (55) is fixedly provided with locking blocks (56) corresponding to the buffer grooves (53). The locking blocks (56) are inserted and locked into the inner side of the buffer rubber pads (54). The side of the collars (55) away from the baffle (52) is provided with a mounting plate (58). The mounting plate (58) is locked with the collar (55). The side of the mounting plate (58) away from the fixed plate (51) is provided with bolts at equal intervals. The bolts pass through the mounting plate (58) and are threadedly connected to the fixed plate (51).

2. The shock absorption mechanism for a micro-tiller according to claim 1, characterized in that: A blade sheath (59) is fixedly installed on the outer side of the fixed plate (51) corresponding to the rotary tiller (57). The rotary tiller (57) is inserted into the blade sheath (59). An adjustment groove (510) is opened on the side of the blade sheath (59). An end block (512) is slidably installed on the inner side of the adjustment groove (510). A double-headed threaded telescopic rod (511) is fixedly installed on the side of the end block (512) close to the mounting plate (58). An end block (513) is fixedly installed on the side of the double-headed threaded telescopic rod (511) away from the rotary tiller (57). The end block (513) is fixedly connected to the blade sheath (59).

3. The shock absorption mechanism for a micro-tiller according to claim 1, characterized in that: The support plate (1) is symmetrically fixed with diagonal rods (9) on the lower side of the side close to the handle frame (7), and the lower end of each diagonal rod (9) is rotatably equipped with an auxiliary wheel (10).

4. The shock absorption mechanism for a micro-tiller according to claim 3, characterized in that: A rubber mudguard (11) is fixedly installed on the lower side of the support plate (1) between the shaft (4) and the diagonal bar (9).

5. The shock absorption mechanism for a micro-tiller according to claim 1, characterized in that: A fixing block (14) is fixedly installed in the middle of the side of the support plate (1) near the handle frame (7). Insert rods (13) are fixedly installed on both sides of the fixing block (14). Movable blocks (12) are slidably sleeved in the middle of the insert rods (13). The movable blocks (12) are fixedly connected to the lower side of the handle frame (7). Springs (15) are sleeved on both sides of the movable blocks (12) on the outside of the insert rods (13). A threaded ring (16) is threaded on the end of the insert rods (13) away from the fixing block (14).

6. The shock absorption mechanism for a micro-tiller according to claim 1, characterized in that: A buffer rubber sleeve (8) is fitted on the outer side of each handle, and an inner rubber ring (81) is fixedly provided at equal intervals on the inner side of the buffer rubber sleeve (8), and the inner rubber ring (81) is fitted on the outer side of the handle.

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