Depth adjusting mechanism for fertilizer shovel

Abstract

The utility model relates to the field of agricultural machinery, in particular to a fertilizer shovel depth adjusting mechanism which comprises a machine frame, a fertilizer shovel is installed on the machine frame, a supporting sleeve is installed on the machine frame, the supporting sleeve extends vertically, a lifting rod is installed in the supporting sleeve, teeth are arranged on the lifting rod in an up-and-down mode, and the fertilizer shovel is installed at the lower end of the lifting rod. An adjusting disc used for controlling the lifting rod to lift up and down is rotationally installed on the supporting sleeve, driving teeth capable of being meshed with the teeth are arranged on the back face of the adjusting disc, an adjusting rod used for rotating the adjusting disc is installed on the adjusting disc, a back plate is arranged on the rear portions of the driving teeth, the driving teeth are installed on the back plate, and the driving teeth are in a vortex shape and are wound by at least one circle; the teeth are incomplete vortex-shaped teeth, and the thread pitch of the teeth is matched with that of the driving teeth. According to the fertilizer shovel depth adjusting mechanism, the height adjusting process is simplified, and the adjusting precision is high, so that the sowing and fertilizing effects are improved, and the requirement of modern agriculture for precise fertilization is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery field, concretely relates to a fertilizer shovel depth adjusting mechanism. BACKGROUND

[0002] In agricultural production, seeding and fertilizing are important links to ensure the healthy growth of crops. When plowing, the seeding machine uses the fertilizer shovel to plow a groove, and then puts seeds or fertilizers into the groove, and finally flattens the groove by the pressing wheel. The fertilizer shovel is a key component of the seeding machine, and the adjustment of its digging depth and position is crucial to the uniformity and coverage of seeding and fertilizing.

[0003] The traditional fertilizer shovel is fixed by bolts. When adjusting the groove digging depth, the bolts need to be first disassembled, the fertilizer shovel is adjusted to the selected height, and then the bolts are reinstalled for fixation. This not only has low adjustment accuracy, but also affects the seeding and fertilizing effect, and the adjustment process is complex, which cannot meet the demand of modern agriculture for precision fertilization, and needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above problems and provides a fertilizer shovel depth adjusting mechanism which is convenient to adjust and has high precision.

[0005] To achieve the above purpose, the utility model discloses a fertilizer shovel depth adjusting mechanism, which comprises a rack, and a fertilizer shovel is installed on the rack. The structural characteristics are that a supporting sleeve is installed on the rack and vertically extends, a lifting rod is installed in the supporting sleeve, tooth gears arranged in the up-down direction are arranged on the lifting rod, the fertilizer shovel is installed at the lower end of the lifting rod, an adjusting disc for controlling the up-down lifting of the lifting rod is rotatably installed on the supporting sleeve, a driving tooth capable of meshing with the tooth gears is arranged on the back of the adjusting disc, and an adjusting rod for rotating the adjusting disc is installed on the adjusting disc.

[0006] The up-down lifting control of the fertilizer shovel can be realized by rotating the adjusting rod, which not only simplifies the height adjustment process, but also has high adjustment precision, thereby improving the seeding and fertilizing effect and meeting the demand of modern agriculture for precision fertilization.

[0007] The back of the driving tooth is provided with a back plate, the driving tooth is installed on the back plate, the driving tooth is in a spiral shape, and at least one circle is arranged. The central part of the spiral driving tooth is empty, and one circle of the driving tooth ensures the continuity and smoothness of the meshing with the tooth gears.

[0008] The tooth gears are incomplete spiral teeth, and the pitch of the tooth gears matches the driving tooth. The meshing demand with the driving tooth is met, and meanwhile, the pitch matching of the tooth gears and the driving tooth ensures the accuracy and stability of the lifting of the lifting rod.

[0009] The tooth engages with the upper half of the driving tooth, the lifting rod is provided with an avoiding slot for avoiding the lower half of the driving tooth, the avoiding slot is located at the lower side of the tooth and extends downward, the avoiding slot is provided with a limiting block for limiting the driving tooth, thereby controlling the up-down movement range of the lifting rod, the limiting block is located in the spiral driving tooth, the lower half of the driving tooth does not engage with the tooth, and the normal operation of the lifting rod is ensured.

[0010] The support sleeve is provided with a support shaft, and the adjusting disc is rotatably installed on the support shaft.

[0011] The support shaft is rotatably installed with a rotating sleeve, the rotating sleeve is provided with a pull rod, the pull rod is rotatably installed with a lever, the lever is provided with a lever tooth capable of being clamped on the adjusting disc, and the rotating sleeve is provided with an adjusting rod for rotating the rotating sleeve.

[0012] The outer edge of the adjusting disc is provided with a clamping groove matched with the lever tooth, and the clamping groove is provided with a plurality of clamping grooves and surrounds the adjusting disc.

[0013] The support sleeve is provided with a fixing hoop, and the support shaft is installed on the fixing hoop.

[0014] The support sleeve is provided with an avoiding window for exposing the tooth outward, and the driving tooth passes through the avoiding window and engages with the tooth.

[0015] The rack includes front and rear extending cross beams, and a longitudinal beam connected with the cross beams, the longitudinal beam extends upward and downward, and the support sleeve is installed on the lower part of the longitudinal beam.

[0016] In summary, the fertilizer shovel depth adjusting mechanism has the advantages of stable structure, accurate adjustment and convenient operation, and can meet the needs of agricultural production in adjusting the depth of the fertilizer shovel. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure of the utility model is shown in the schematic diagram;

[0018] Figure 2Structure diagram of the matching structure of the adjusting disc and the shifting rod;

[0019] Figure 3 Structure diagram of the adjusting disc and the shifting rod when the lifting rod moves to the lower limit position;

[0020] Figure 4 Structure diagram of the limiting block and the avoiding slot.

[0021] In the figure: frame 1, crossbeam 2, supporting sleeve 3, lifting rod 4, spade 5, adjusting disc 6, shifting rod 7, shifting teeth 8, rotating sleeve 9, supporting shaft 10, pull rod 11, adjusting rod 12, driving teeth 13, avoiding window 14, tooth 15, fixing hoop 16, clamping slot 17, longitudinal beam 18, limiting block 19, avoiding slot 20, back plate 21. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be further described in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0023] In the description of the present application, it needs to be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] In the description of the present application, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] The following is a description of the preferred embodiments of the present application in conjunction with the accompanying drawings.

[0027] The utility model provides a kind of fertilizer shovel depth adjusting mechanism, including frame 1, fertilizer shovel 5 is installed on frame 1, support sleeve 3 is installed on frame 1, support sleeve 3 extends vertically, lifting rod 4 is installed in support sleeve 3, the tooth 15 in upper and lower arrangement is equipped on lifting rod 4, fertilizer shovel 5 is installed in the lower end of lifting rod 4, support sleeve 3 is rotatably installed with the adjusting disc 6 for controlling lifting rod 4 up and down, the back of adjusting disc 6 is equipped with the driving tooth 13 that can be engaged with tooth 15, adjusting disc 6 is installed with the adjusting rod 12 for rotating adjusting disc 6. Figure 1 By rotating adjusting rod 12, the up and down movement of fertilizer shovel 5 can be controlled, which simplifies the height adjustment process and improves the adjustment accuracy, thereby improving the seeding and fertilizing effect and meeting the demand for precision fertilization in modern agriculture.

[0028] Referring to the accompanying drawings Figure 1 The back of driving tooth 13 is provided with back plate 21, driving tooth 13 is installed on back plate 21, driving tooth 13 is spiral-shaped, and at least one circle is arranged. The central part of the spiral-shaped driving tooth 13 is empty, and the one circle of driving tooth 13 ensures the continuity and smoothness of engagement with tooth 15. Tooth 15 is an incomplete spiral-shaped tooth, and the pitch of tooth 15 matches the driving tooth 13. It meets the engagement requirement with driving tooth 13, and the pitch matching of tooth 15 and driving tooth 13 ensures the accuracy and stability of the lifting of lifting rod 4. Tooth 15 is engaged with the upper half of driving tooth 13, and lifting rod 4 is provided with an avoiding slot 20 for avoiding the lower half of driving tooth 13, the avoiding slot 20 is located on the lower side of tooth 15 and extends downward, the avoiding slot 20 is provided with a limiting block 19 for limiting driving tooth 13, thereby controlling the up and down movement range of lifting rod 4, the limiting block 19 is located in the spiral-shaped driving tooth 13, the lower half of driving tooth 13 is not engaged with tooth 15, and the normal operation of lifting rod 4 is ensured.

[0029] Referring to the accompanying drawings Figure 2 Support shaft 10 is installed on support sleeve 3, and adjusting disc 6 is rotatably installed on support shaft 10. Support shaft 10 provides a stable rotating center for adjusting disc 6, ensuring the stability and accuracy of adjusting disc 6 during rotation. Rotating sleeve 9 is rotatably installed on support shaft 10, pull rod 11 is provided on rotating sleeve 9, and pull rod 11 is rotatably installed on pull rod 7. Pulling tooth 8 can be engaged on adjusting disc 6, adjusting rod 12 is provided on rotating sleeve 9 for rotating rotating sleeve 9. By rotating rotating sleeve 9, pull rod 11 and pull rod 7, fine adjustment of adjusting disc 6 can be realized. When lifting rod 4 needs to move in the opposite direction, pull tooth 8 is pulled to the other side, adjusting rod 12 is rotated in the opposite direction, which increases the stability and accuracy of adjustment. The outer edge of adjusting disc 6 is provided with a clamping groove 17 matched with pull tooth 8, and the clamping groove 17 is provided with multiple clamping grooves and surrounds adjusting disc 6 for one turn. It provides multiple adjustment positions, increases the flexibility and accuracy of adjustment. At the same time, the cooperation of clamping groove 17 and pull tooth 8 ensures the stability of adjusting disc 6 during adjustment.

[0030] Referring to the drawings Figure 3 A fixing hoop 16 is sleeved on the support sleeve 3, and the support shaft 10 is installed on the fixing hoop 16. The fixing hoop 16 provides stable support for the support shaft 10, ensuring the stability and durability of the entire adjusting mechanism.

[0031] Referring to the drawings Figure 2 An avoiding window 14 for exposing the tooth 15 outward is formed on the support sleeve 3, and the driving tooth 13 passes through the avoiding window 14 to engage with the tooth 15. The avoiding window 14 enables the driving tooth 13 to smoothly engage with the tooth 15, while avoiding the interference of the support sleeve 3 on the engagement process, improving the accuracy and stability of the engagement.

[0032] Referring to the drawings Figure 1 The rack 1 comprises a cross beam 2 extending forward and backward, and a longitudinal beam 18 connecting the cross beam 2, the longitudinal beam 18 extending upward and downward, and the support sleeve 3 being installed on the lower part of the longitudinal beam 18. The rack 1 provides stable support and fixation for the entire adjusting mechanism. The cooperation of the cross beam 2 and the longitudinal beam 18 increases the strength and stability of the rack 1.

[0033] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should be considered as the protection scope of the present application.

Claims

1. A depth adjustment mechanism for a fertilizer shovel, comprising a frame (1) on which a fertilizer shovel (5) is mounted, characterized in that, The rack (1) is provided with a supporting sleeve (3) extending vertically, the supporting sleeve (3) is provided with a lifting rod (4), the lifting rod (4) is provided with teeth (15) arranged in up and down directions, a spade (5) is arranged at the lower end of the lifting rod (4), the supporting sleeve (3) is rotatably provided with an adjusting disc (6) for controlling the lifting rod (4) to lift up and down, the back of the adjusting disc (6) is provided with a driving tooth (13) capable of engaging with the teeth (15), the driving tooth (13) is in a spiral shape and at least one circle, the adjusting disc (6) is provided with an adjusting rod (12) for rotating the adjusting disc (6).

2. The shovel depth adjustment mechanism of claim 1, wherein, The back of the driving tooth (13) is provided with a back plate (21), the driving tooth (13) is arranged at the back side of the back plate (21), and the adjusting disc (6) is arranged at the front side of the back plate (21).

3. The depth adjustment mechanism of claim 2, wherein, The teeth (15) are incomplete spiral teeth, and the pitch of the teeth (15) is matched with the driving tooth (13).

4. The depth adjustment mechanism of claim 2, wherein, The teeth (15) engage with the upper half of the driving tooth (13), the lifting rod (4) is provided with an avoiding groove (20) for avoiding the lower half of the driving tooth (13), the avoiding groove (20) is located at the lower side of the teeth (15) and extends downward, the avoiding groove (20) is provided with a limiting block (19) for limiting the driving tooth (13) so as to control the up and down movement range of the lifting rod (4), and the limiting block (19) is located in the spiral driving tooth (13).

5. The shovel depth adjustment mechanism of claim 1, wherein, The supporting sleeve (3) is provided with a supporting shaft (10), and the adjusting disc (6) is rotatably arranged on the supporting shaft (10).

6. The depth adjustment mechanism of claim 5, wherein, The supporting shaft (10) is rotatably provided with a rotating sleeve (9), the rotating sleeve (9) is provided with a pull rod (11), the pull rod (11) is rotatably provided with a shifting rod (7), the shifting rod (7) is provided with a shifting tooth (8) capable of being clamped on the adjusting disc (6), and the rotating sleeve (9) is provided with an adjusting rod (12) for rotating the rotating sleeve (9).

7. The depth adjustment mechanism of claim 6, wherein, The outer edge of the adjusting disc (6) is provided with a clamping groove (17) matched with the shifting tooth (8), and the clamping groove (17) is provided with a plurality of clamping grooves (17) surrounding the adjusting disc (6).

8. The spade depth adjustment mechanism of claim 5, wherein, The supporting sleeve (3) is provided with a fixing hoop (16), and the supporting shaft (10) is arranged on the fixing hoop (16).

9. The shovel depth adjustment mechanism of claim 1, wherein, The supporting sleeve (3) is provided with an avoiding window (14) for exposing the teeth (15) outward, and the driving tooth (13) passes through the avoiding window (14) to engage with the teeth (15).

10. The shovel depth adjustment mechanism of claim 1, wherein, The rack (1) comprises a cross beam (2) extending forwardly and rearwardly, a longitudinal beam (18) connected with the cross beam (2), the longitudinal beam (18) extends upwardly and downwardly, and the supporting sleeve (3) is arranged at the lower part of the longitudinal beam (18).

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