Seeding depth adjusting device and drill seeder

Abstract

The utility model provides a seeding depth adjusting device and a drill seeder. A sowing depth adjusting device comprises a first pipe body, a lead screw, a second pipe body and a sowing depth connecting rod fixing base used for being connected with an adjusting system and a drilling single body, the lead screw is rotationally installed in the first pipe body, the second pipe body is installed in the first pipe body in a sliding mode, and the second pipe body is connected with the adjusting system. The lead screw is connected with one end of the second pipe body through threads, and the sowing depth connecting rod fixing base is installed at the other end of the second pipe body.

Description

TECHNICAL FIELD

[0001] The utility model relates to sowing machine technical field especially, it relates to a sowing depth adjusting device and drill. BACKGROUND

[0002] Drill technology is the planting agriculture of many crops, such as wheat, alfalfa, rape, etc., and the planting row spacing between different crops and different regions is also not completely same, and scientific and reasonable row spacing during sowing can guarantee high grain yield and obtain good economic benefits. Drill is the main machine for sowing such crops.

[0003] At present, the sowing depth and ground pressure of drill are mainly adjusted by bolt locking, spring tension and positioning pin hole limiting, which cannot realize integrated adjustment and need great torque and output force, and the process is relatively backward, and the precision and linearity are poor. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of prior art, and provides a sowing depth adjusting device and drill.

[0005] The utility model solves the technical problem of the above-mentioned technical scheme as follows: a sowing depth adjusting device, comprising: a first pipe body, a lead screw, a second pipe body and a sowing depth connecting rod fixing seat for being connected with an adjusting system and a drill single body, the lead screw is rotatably installed in the first pipe body, the second pipe body is slidably installed in the first pipe body, the lead screw is connected with one end of the second pipe body through screw thread, and the sowing depth connecting rod fixing seat is installed at the other end of the second pipe body.

[0006] The utility model technical scheme has the beneficial effects that the sowing depth is accurately adjusted by accurately controlling the stroke of the lead screw. The problems of non-linear sowing depth adjustment and inaccurate calibration are solved.

[0007] Further, one end of the first pipe body is provided with a driving mechanism, and the driving mechanism is in transmission connection with the lead screw.

[0008] The driving mechanism is arranged to drive the lead screw to rotate, thereby improving the adjustment efficiency.

[0009] Further, the driving mechanism comprises a hand wheel and a sprocket, and the hand wheel and the sprocket are in transmission connection with the lead screw.

[0010] The sowing depth is accurately adjusted by accurately controlling the stroke of the lead screw through the sprocket or hand wheel transmission, the manual adjustment is changed into the accurate sowing depth adjustment of electric manual arbitrary switching, and the problems of non-linear sowing depth adjustment and inaccurate calibration are solved.

[0011] Further, one end of the first pipe body is rotatably provided with a rotating shaft, both ends of the rotating shaft are exposed outside the first pipe body, the hand wheel and the chain wheel are respectively sleeved on both ends of the rotating shaft, the middle part of the rotating shaft is located inside the first pipe body, the middle part of the rotating shaft is sleeved with a first bevel gear, one end of the lead screw is sleeved with a second bevel gear, and the first bevel gear is engaged with the second bevel gear.

[0012] The beneficial effect of the above further technical scheme is that the linear adjustment of the sowing depth is ensured through the transmission of the external chain wheel and the internal bevel gear, and accurate numerical values can be reflected. The external chain wheel and the manual wheel can be bidirectionally installed, that is, they can be manually adjusted and can also realize electric adjustment. The internal bevel gear transmission and the closed internal cavity prevent impurities and dust from entering, ensure good lubrication inside the cavity, and increase the service life of the overall device.

[0013] Further, the hand wheel is a manual impeller, and the chain wheel is connected with an electric motor through a chain.

[0014] The beneficial effect of the above further technical scheme is that the sowing depth adjustment is precisely controlled through the chain transmission, and the electric motor can be connected to realize precise control and precise adjustment. Through single-stage chain wheel transmission, the transmission structure is very simple, and installation and maintenance are convenient.

[0015] Further, the first pipe body and the second pipe body are both square pipes, and the inner wall of the first pipe body and the outer wall of the second pipe body are both coated with lubricating grease.

[0016] The beneficial effect of the above further technical scheme is that the straight linearity of the lead screw movement is ensured through the limiting action of the square pipe. The inner wall of the first pipe body and the outer wall of the second pipe body are coated with lubricating grease to ensure smooth operation of the lead screw and the internal gear system, and realize the function of precise adjustment.

[0017] Further, a pair of mounting seats for connecting with the side plate of the drill frame are mounted on the first pipe body, the mounting seat is of an L-shaped structure, and a plurality of bolt holes are arranged on the mounting seat.

[0018] The beneficial effect of the above further technical scheme is that the space occupied on the assembly frame side plate plane is small. The mounting seat structure is stable and reliable, and can be connected with a large-torque adjustment system and a heavy single structure. The mounting seat and the frame side plate are rigidly connected through bolts, the bracket as a whole is subjected to the reaction force in the lead screw adjustment process, and the whole frame is used to absorb the force, offsetting the force of the single body to the lead screw, thereby increasing the service life of the lead screw. The influence of single body vibration on sowing depth adjustment is reduced, thereby improving the linearity and accuracy of sowing depth adjustment.

[0019] Further, the number of the sowing depth connecting rod fixing seat is two, and the two sowing depth connecting rod fixing seats are rotationally connected with the other end of the second pipe body.

[0020] The beneficial effect of the further technical scheme is that the sowing depth adjusting device is connected with the adjusting system and the drill unit through the sowing depth connecting rod fixing seat, and the stability and reliability of the sowing depth adjusting device are improved.

[0021] Further, one end of the first pipe body is closed, one end of the second pipe body is provided with a flange, and the other end of the second pipe body is provided with a limiting plate matched with the flange.

[0022] The beneficial effect of the further technical scheme is that the internal bevel gear transmission and the closed cavity prevent impurities and dust from entering, ensure good lubrication inside the cavity, and increase the service life of the overall device. The limiting plate and the flange prevent the second pipe body from slipping out of the first pipe body, and improve the stability and reliability of the sowing depth adjusting device.

[0023] In addition, the utility model provides a drill, including any one of the above-mentioned sowing depth adjusting device.

[0024] The beneficial effect of the technical scheme of the utility model is that the depth of sowing is accurately adjusted by accurately controlling the stroke of the lead screw. The problem of non-linear sowing depth adjustment and inaccurate calibration is solved.

[0025] The advantages of the additional aspects of the utility model will be partially given in the following description, some will become apparent from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The structure schematic view of the sowing depth adjusting device provided for the embodiment of the utility model is shown.

[0027] Figure 2 The structure schematic view of the sowing depth adjusting device provided for the embodiment of the utility model is shown.

[0028] Figure 3 The structure schematic view of the sowing depth adjusting device provided for the embodiment of the utility model is shown.

[0029] Figure 4 The structure schematic view of the sowing depth adjusting device provided for the embodiment of the utility model is shown.

[0030] Explanation of reference numerals: 1, first pipe body; 2, second pipe body; 3, sowing depth connecting rod fixing seat; 4, hand wheel; 5, chain wheel; 6, rotating shaft; 7, mounting seat. DETAILED DESCRIPTION

[0031] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not to limit the scope of the utility model.

[0032] As shown in Figures 1 to 4 The utility model discloses an embodiment provides a sowing depth adjusting device, it includes: first pipe body 1, lead screw, second pipe body 2 and be used for with the adjusting system and the strip sowing monomer connection's sowing depth connecting rod fixed seat 3, the lead screw rotation is installed in first pipe body 1, second pipe body 2 is slidably installed in first pipe body 1, the lead screw is connected with one end of second pipe body 2 through the screw thread, and the sowing depth connecting rod fixed seat 3 is installed in the other end of second pipe body 2.

[0033] The beneficial effects of the technical scheme of the utility model are: the sowing depth is accurately adjusted by accurately controlling the stroke of the lead screw.

[0034] The sowing depth adjusting device provided in the utility model embodiment is a device developed for adjusting the strip sowing monomer on the machine. The sowing depth adjusting device provided in the utility model embodiment can accurately control the stroke of the lead screw through chain wheel or hand wheel transmission, so as to accurately adjust the sowing depth.

[0035] As shown in Figures 1 to 4 Further, one end of the first pipe body 1 is provided with a driving mechanism, and the driving mechanism is in transmission connection with the lead screw.

[0036] The beneficial effects of the above further technical scheme are: the driving mechanism is arranged, the lead screw is driven to rotate by the driving mechanism, and the adjusting efficiency is improved.

[0037] As shown in Figures 1 to 4 Further, the driving mechanism includes a hand wheel 4 and a chain wheel 5, and the hand wheel 4 and the chain wheel 5 are in transmission connection with the lead screw.

[0038] The beneficial effects of the above further technical scheme are: the sowing depth is accurately adjusted by accurately controlling the stroke of the lead screw through chain wheel or hand wheel transmission.

[0039] As shown in Figures 1 to 4As shown, further, one end of the first pipe body 1 is rotatably mounted with a rotating shaft 6, both ends of the rotating shaft 6 are exposed outside the first pipe body 1, the hand wheel 4 and the sprocket 5 are respectively sleeved on both ends of the rotating shaft 6, the middle part of the rotating shaft 6 is located inside the first pipe body 1, the middle part of the rotating shaft 6 is sleeved with a first bevel gear, one end of the lead screw is sleeved with a second bevel gear, and the first bevel gear is engaged with the second bevel gear.

[0040] The beneficial effect of the above further technical scheme is that the linear adjustment of the sowing depth is ensured by the transmission of the external sprocket and the internal bevel gear, and the accurate numerical value can be reflected. The external sprocket and the hand wheel can be bidirectionally installed, that is, manually adjusted and electrically adjusted. The internal bevel gear transmission and the closed internal cavity prevent impurities and dust from entering, ensure good lubrication inside the cavity, and increase the service life of the overall device.

[0041] As shown in Figures 1 to 4 , further, the hand wheel 4 is a manual impeller, and the sprocket 5 is connected with a motor through a chain.

[0042] The beneficial effect of the above further technical scheme is that the sowing depth adjustment is precisely controlled through the chain transmission, and the motor can be connected to realize precise control and precise adjustment. Through single-stage sprocket transmission, the transmission structure is very simple, and installation and maintenance are convenient.

[0043] As shown in Figures 1 to 4 , further, the first pipe body 1 and the second pipe body 2 are both square tubes, and the inner wall of the first pipe body 1 and the outer wall of the second pipe body 2 are both coated with lubricating grease.

[0044] The beneficial effect of the above further technical scheme is that the straight linearity of the lead screw movement is ensured by the limiting action of the square tube. The inner wall of the first pipe body and the outer wall of the second pipe body are coated with lubricating grease to ensure smooth operation of the lead screw and the internal gear system, and realize the function of precise adjustment.

[0045] As shown in Figures 1 to 4 , further, the first pipe body 1 is provided with a pair of mounting seats 7 for connecting with the side plate of the drill frame, the mounting seat 7 is of L-shaped structure, and a plurality of bolt holes are formed in the mounting seat 7.

[0046] The beneficial effect of the above further technical scheme is that the space occupied on the assembly frame side plate plane is small. The mounting seat structure is stable and reliable, and can be connected with a large-torque adjustment system and a heavy single structure. The mounting seat and the frame side plate are rigidly connected by bolts, the whole bracket is subjected to the reaction force in the lead screw adjustment process, which is absorbed by the whole frame, offsets the force of the single body to the lead screw, increases the service life of the lead screw, reduces the influence of single body vibration on the sowing depth adjustment, and improves the linearity and accuracy of the sowing depth adjustment.

[0047] As Figures 1 to 4 shown, further, the number of the depth connecting rod fixing seat 3 is two, and both of the depth connecting rod fixing seat 3 are rotationally connected with the other end of the second pipe body 2.

[0048] The beneficial effects of the above further technical solutions are: the depth adjusting device is connected with the adjusting system and the drill through the depth connecting rod fixing seat, and the stability and reliability of the depth adjusting device are improved.

[0049] As Figures 1 to 4 shown, further, one end of the first pipe body 1 is closed, one end of the second pipe body 2 is provided with a flange, and the other end of the second pipe body 2 is provided with a limiting plate matched with the flange.

[0050] The beneficial effects of the above further technical solutions are: the internal bevel gear transmission and the closed internal cavity prevent impurities and dust from entering, ensure good lubrication inside the cavity, and increase the service life of the overall device. The setting of the limiting plate and the flange prevents the second pipe body from slipping out of the first pipe body, and improves the stability and reliability of the depth adjusting device.

[0051] Structure description: the adjustable drill seeding unit depth adjusting structure (depth adjusting device) is divided into a lead screw mounting seat (mounting seat) and a connecting rod support seat (depth connecting rod fixing seat), an adjusting lead screw main body (lead screw), a transmission sprocket (sprocket), and a hand connector (hand wheel) assembly.

[0052] Working principle: the adjusting device (depth adjusting device) is clamped on the drill frame side plate through the mounting seat 7, and is fixed by four groups of bolts. The movable adjusting lead screw is fixed in position. The lead screw main body is ensured to move linearly through the limiting action of the square tube (first pipe body and second pipe body). The outer part of the lead screw inner square tube (second pipe body) and the inner wall of the outer square tube (first pipe body) are coated with lubricating grease to ensure smooth operation of the lead screw main body (lead screw) and the internal gear (first bevel gear and second bevel gear) system, and realize the function of precise adjustment.

[0053] 1. The sprocket transmission lead screw adjusting device (depth adjusting device) mainly controls the depth adjustment accurately through the chain transmission, and can be connected with a motor to realize accurate control and accurate adjustment.

[0054] 2. It can be assembled on the machine frame side plate plane with small space occupation, and can be driven by a single-stage sprocket, and the transmission structure is very simple, and the installation and maintenance are convenient.

[0055] 3. The transmission of the external sprocket (sprocket) and the internal bevel gear (first bevel gear and second bevel gear) ensures the linear adjustment of the depth, and can reflect the accurate value.

[0056] 4. The screw fixing seat (mounting seat) and the screw connecting seat (depth connecting rod fixing seat) structure is stable and reliable, and can be connected with a large torque adjusting system and a heavy single structure.

[0057] The mounting seat is rigidly connected with the side plate of the frame, the support (depth adjusting device) is subjected to the reaction force in the screw adjusting process, and the frame is used to absorb the force of the single body to the screw, so that the service life of the screw is increased.

[0058] In addition, the utility model provides a drill, including any one of the above-mentioned depth adjusting device.

[0059] The beneficial effects of the technical scheme of the utility model are: the depth of sowing is accurately adjusted by accurately controlling the stroke of the screw.

[0060] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. A depth control device, characterized in that The utility model relates to a depth adjusting device for drill, including: First pipe body, screw rod, second pipe body and the fixed seat of sowing depth connecting rod for being connected with adjusting system and drill unit, the screw rod rotation is installed in first pipe body, the second pipe body is slidably installed in first pipe body, the screw rod is connected with the one end of second pipe body through the screw, and the fixed seat of sowing depth connecting rod is installed in the other end of second pipe body.

2. A depth control device according to claim 1, wherein One end of the first pipe body is provided with a driving mechanism, and the driving mechanism is in transmission connection with the screw rod.

3. A depth control device according to claim 2, wherein The driving mechanism includes a hand wheel and a sprocket, both of which are in transmission connection with the screw rod.

4. A depth control device according to claim 3, wherein One end of the first pipe body is rotatably installed with a rotating shaft, both ends of the rotating shaft are exposed outside the first pipe body, the hand wheel and the sprocket are respectively sleeved on both ends of the rotating shaft, the middle part of the rotating shaft is located inside the first pipe body, the middle part of the rotating shaft is sleeved with a first bevel gear, one end of the screw rod is sleeved with a second bevel gear, and the first bevel gear is in meshing connection with the second bevel gear.

5. A depth control device according to claim 4, wherein The hand wheel is a manual impeller, and the sprocket is connected with a motor through a chain.

6. The depth control device of claim 1, wherein, The first pipe body and the second pipe body are both square tubes, and the inner wall of the first pipe body and the outer wall of the second pipe body are both coated with lubricating grease.

7. The depth control device of claim 1, wherein A pair of mounting seats for connecting with the side plates of the drill frame are mounted on the first pipe body, the mounting seats are L-shaped structures, and a plurality of bolt holes are formed in the mounting seats.

8. The depth control device of claim 1, wherein, The number of the fixed seats of sowing depth connecting rods is two, and both of the fixed seats of sowing depth connecting rods are in rotary connection with the other end of the second pipe body.

9. The depth control device of claim 1, wherein, One end of the first pipe body is closed, one end of the second pipe body is provided with a flange, and the other end of the second pipe body is provided with a limiting plate matched with the flange.

10. A drill, characterized in that, The utility model relates to a depth adjusting device for drill, including: Any one of the above claims 1 to 9.

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