Lever locking type ditching, sowing and soil covering device capable of rapidly changing heads

Abstract

The utility model relates to the technical field of seeding and soil covering, and discloses a lever locking type rapid head-changing ditching, seeding and soil covering device which comprises an arc-shaped frame, a mounting shaft is arranged in the middle of the inner side of the telescopic arc-shaped frame, a plurality of ditching discs are fixedly connected to the outer side of the mounting shaft at equal intervals, and hollow shells are fixedly connected to the front side and the rear side of the arc-shaped frame. A rotating rod is rotatably connected to the inner side of the hollow shell, cams are fixedly connected to the middle of the outer side of the rotating rod, clamping blocks are arranged on the adjacent sides of the two cams, the adjacent ends of the two clamping blocks penetrate through the arc-shaped frame, and clamping grooves are formed in the front end and the rear end of the mounting shaft. According to the utility model, the rotating rod drives the cam to rotate, the limiting on the clamping block is released, the spring pushes the mounting frame to move, the mounting frame drives the clamping block to move, and the clamping block is separated from the clamping groove when moving, so that the mounting shaft can be detached, and the ditching disc can be conveniently replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sowing and soil covering technical field especially relates to lever lock formula quick head changing ditching sowing and soil covering device. BACKGROUND

[0002] Ditching sowing and soil covering device is integrated agricultural machinery, and through integrated design realizes the coherent operation of ditching, sowing and soil covering three processes, can significantly improve sowing efficiency, effectively reduces soil moisture evaporation and prevents the hardening, creates ideal environment for crop germination and growth.

[0003] Through the retrieval, China patent publication number is: CN203633103U, disclose a kind of wide band sowing and soil covering device of uniform and good soil covering effect, including: rack, fixed support and suspension support are arranged on the rack, ditching disc height adjusting rod is respectively arranged at the front end of the rack, the ditching disc height adjusting rod is connected with ditching disc support by first adjusting screw, ditching disc is arranged at the lower end of the ditching disc support, the ditching disc is concave-convex disc, the convex surface of the two ditching discs is respectively mounted in ditching disc support lower end, seed tube is arranged in the middle of the rack, seed divider is arranged at the lower end of the seed tube, soil covering disc support is respectively arranged at the rear end of the rack by second adjusting screw, soil covering disc is arranged at the lower end of the soil covering disc support, the soil covering disc is concave-convex disc, the concave surface of the two soil covering discs is respectively mounted in soil covering disc support lower end, but the device is not convenient for the convenient replacement work of ditching disc in actual use process, reduce the practicability of the device, can not satisfy the demand of user. UTILITARIAN CONTENT

[0004] In order to make up for the above insufficient, the utility model provides lever lock formula quick head changing ditching sowing and soil covering device, aims at improving the problem of inconvenient replacement work of ditching disc in prior art ditching sowing and soil covering device.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: lever lock formula quick change head ditching and seeding and soil covering device, including arc frame, the inner side middle part of telescopic arc frame is provided with the mounting shaft, the outer side equidistance fixed connection of mounting shaft has a plurality of ditching disc, the front and back sides of arc frame are all fixedly connected with hollow shell, the inner side rotation of hollow shell is connected with the rotating lever, the outer side middle part of rotating lever is fixedly connected with the cam, the adjacent side of two The adjacent end of two block is all through arc frame, the front and back ends of mounting shaft all are seted up with the clamping groove, two The block is respectively with the clamping groove of corresponding and is engaged, the outer wall left side of rotating lever is fixedly connected with the ratchet wheel, the inside left end front side of hollow shell is rotatably connected with the pawl, the pawl is engaged with the ratchet wheel, the top of ratchet wheel is fixedly connected with the push rod, the top of push rod is through hollow shell, the left and right ends of the far side of two The block is all fixedly connected with the mounting bracket, the inner side of a plurality of The mounting bracket is all fixedly connected with the spring, and one end of a plurality of The spring is all fixedly connected with arc frame, the left side of arc frame is provided with the connecting mechanism, the connecting mechanism is used for conveniently connecting the device with the agricultural vehicle.

[0006] Through the above technical scheme, when the block moves, the clamping groove is disengaged, the mounting shaft can be disassembled, the ditching disc can be conveniently replaced, the practicability of the device is improved, and the needs of the user can be met.

[0007] As a further description of the above technical scheme:

[0008] The connecting mechanism includes a hollow box, a two-way threaded rod is rotatably connected to the top of the inner side of the hollow box, sliding blocks are threadedly connected to the front and back sides of the outer wall of the two-way threaded rod, connecting rods are rotatably connected to the bottoms of the two sliding blocks, support seats are rotatably connected to the bottoms of the two connecting rods, the same support plate is fixedly connected to the bottoms of the two support seats, first clamping jaws are fixedly connected to the left side of the support plate, penetrating grooves are formed in the left wall of the hollow box, the left sides of the two first clamping jaws penetrate the corresponding penetrating grooves, and second clamping jaws are fixedly connected to the left wall bottom of the arc frame.

[0009] Through the above technical scheme, the support plate drives the first clamping jaw to move downward, and the first clamping jaw is in close contact with the second clamping jaw, so that the device can be conveniently connected with the agricultural vehicle, and the convenience of using the device is improved.

[0010] As a further description of the above technical scheme:

[0011] The left end of the rotating lever penetrates the hollow shell and is fixedly connected with a handle, and a rubber layer is fixedly connected to the outer side of the handle.

[0012] Through the technical scheme, the staff can rotate the rotating rod conveniently, and the rubber layer enables the staff to hold the handle more comfortably.

[0013] As a further description of the technical scheme:

[0014] The rear end of the bidirectional threaded rod penetrates the hollow box and is fixedly connected with a rotating handle, and the outer side of the rotating handle is fixedly connected with a protective pad.

[0015] Through the technical scheme, the staff can rotate the rotating handle conveniently, and the protective pad enables the staff to hold the rotating handle more comfortably.

[0016] As a further description of the technical scheme:

[0017] The left and right ends of the mounting shaft are fixedly connected with positioning shafts on the front and back sides, the left and right sides of the front and back ends of the arc-shaped frame are fixedly connected with positioning blocks, and the plurality of positioning shafts are respectively clamped with the corresponding positioning blocks.

[0018] Through the technical scheme, the positioning shafts and the positioning blocks can conveniently install the mounting shaft.

[0019] As a further description of the technical scheme:

[0020] The top of the push rod is rotatably connected with a pull ring, and the inner side of the clamping groove is matched in size with the size of the clamping block.

[0021] Through the technical scheme, the staff can pull the push rod conveniently, and the inner side of the clamping groove is matched in size with the size of the clamping block, so that the mounting shaft does not shake during use.

[0022] As a further description of the technical scheme:

[0023] The top of the hollow box is provided with limiting grooves on the front and back sides, and the top of the two sliding blocks is respectively slidably connected with the corresponding limiting grooves.

[0024] Through the technical scheme, the limiting grooves can limit the movement of the sliding blocks, so that the sliding blocks can move when the bidirectional threaded rod rotates.

[0025] As a further description of the technical scheme:

[0026] The top of the hollow box is fixedly connected with a handrail on the left side, and the outer side of the handrail is fixedly connected with a protective sleeve.

[0027] Through the technical scheme, the staff can move the device conveniently, and the protective sleeve enables the staff to hold the handrail more comfortably.

[0028] The utility model has the following beneficial effects:

[0029] 1、the utility model discloses, the dial lever drives the pawl rotation, and the pawl rotation will separate from the meshing state with the ratchet wheel, thereby release the location of the rotating rod, at this moment, the rotating rod drives the cam rotation, release the location of the clamping block, and the spring will push the mounting frame to remove, and the mounting frame drives the clamping block to remove, and the clamping block removes the clamping state with the clamping groove, just can with the installation shaft is disassembled, conveniently replace the ditching disc and work, improve the practicality of the device, can satisfy the demand of the user.

[0030] 2、the utility model discloses, the handle drives the bidirectional screw rod rotation, at this moment, the slider will move along with it, and the slider removes through the connecting rod and can push the support seat to move down, and the support plate drives the first jaw to move down along with it, and the second jaw is pasted, just can conveniently connect the device with the agricultural vehicle, improve the convenience of the device use. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the perspective drawing of lever locking type quick head ditching and seeding and covering device that the utility model proposes;

[0032] Figure 2 It is the partial structure section view of lever locking type quick head ditching and seeding and covering device that the utility model proposes;

[0033] Figure 3 It is the enlarged view of A in Figure 2

[0034] Figure 4 It is the partial structure split drawing of lever locking type quick head ditching and seeding and covering device that the utility model proposes;

[0035] Figure 5 It is the partial structure schematic view of lever locking type quick head ditching and seeding and covering device that the utility model proposes;

[0036] Figure 6 It is the hollow box structure section view of lever locking type quick head ditching and seeding and covering device that the utility model proposes.

[0037] LEGEND:

[0038] ​1, arc frame; 2, connecting mechanism; 201, hollow box; 202, bidirectional threaded rod; 203, sliding block; 204, connecting rod; 205, support seat; 206, support plate; 207, through groove; 208, first clamping jaw; 209, second clamping jaw; 3, mounting shaft; 4, ditching disc; 5, hollow shell; 6, rotating rod; 7, cam; 8, clamping block; 9, clamping groove; 10, ratchet wheel; 11, ratchet pawl; 12, lever; 13, mounting frame; 14, spring; 15, positioning shaft; 16, positioning block; 17, handle; 18, rubber layer; 19, pull ring; 20, handle; 21, protective pad; 22, limiting groove; 23, handrail; 24, sheath. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0040] Referring to Figure 2 , Figure 3 and Figure 4 , one embodiment provided by the utility model: lever clamping lock type quick head changing ditching and seeding and soil covering device, including arc frame 1, the inner side middle part of telescopic arc frame 1 is provided with mounting shaft 3, the outer side equidistant fixed connection of mounting shaft 3 has multiple ditching discs 4, the front and back sides of arc frame 1 are fixedly connected with hollow shell 5, the inner side of hollow shell 5 is rotatably connected with rotating rod 6, the outer side middle part of rotating rod 6 is fixedly connected with cam 7, the adjacent side of two cams 7 is provided with clamping block 8, the adjacent end of two clamping blocks 8 all penetrates arc frame 1, the front and back ends of mounting shaft 3 are all provided with clamping groove 9, two clamping blocks 8 are respectively engaged with corresponding clamping groove 9, the outer wall left side of rotating rod 6 is fixedly connected with ratchet wheel 10, the inside left end front side of hollow shell 5 is rotatably connected with ratchet pawl 11, ratchet pawl 11 is engaged with ratchet wheel 10, the top of ratchet wheel 10 is fixedly connected with lever 12, the top of lever 12 penetrates hollow shell 5, the left and right ends of the opposite sides of two clamping blocks 8 are all fixedly connected with mounting frame 13, the inner side of multiple mounting frames 13 is all fixedly connected with spring 14, one end of multiple springs 14 is all fixedly connected with arc frame 1, the left side of arc frame 1 is provided with connecting mechanism 2, connecting mechanism 2 is used for conveniently connecting the device with agricultural vehicle, the left end of rotating rod 6 penetrates hollow shell 5 and is fixedly connected with handle 17, the outer side of handle 17 is fixedly connected with rubber layer 18;

[0041] Specifically, when the model of the opening disc 4 of the device needs to be replaced, first pull the lever 12, the lever 12 will further drive the pawl 11 to rotate, with the rotation of the pawl 11, it will be from the meshing state with the ratchet 10, so as to release the limiting effect of the rotating rod 6, then rotate the handle 17, the handle 17 will drive the rotating rod 6 to rotate, the rotating rod 6 rotates and drives the cam 7 to rotate, when the cam 7 rotates, it will release the limiting effect of the block 8, at this time, due to the elastic force of the spring 14, it will push the mounting bracket 13 to move forward, the movement of the mounting bracket 13 will drive the block 8 to move, the movement of the block 8 will be out of engagement with the clamping groove 9, so that the mounting shaft 3 can be easily disassembled, thereby conveniently replacing the opening disc 4, improving the practicability of the device, and meeting the needs of the user.

[0042] With reference to Figure 1 , Figure 4 and Figure 5 , the connecting mechanism 2 comprises a hollow box 201, the inner side top of the hollow box 201 is rotationally connected with a bidirectional threaded rod 202, the outer wall of the bidirectional threaded rod 202 is threadedly connected with sliding blocks 203 on the front and back sides, the bottoms of the two sliding blocks 203 are rotationally connected with connecting rods 204, the bottom ends of the two connecting rods 204 are rotationally connected with support seats 205, the bottoms of the two support seats 205 are fixedly connected with the same support plate 206, the left side front and back ends of the support plate 206 are fixedly connected with first clamping jaws 208, the left wall of the hollow box 201 is provided with penetrating grooves 207 on the front and back sides, the left sides of the two first clamping jaws 208 penetrate through the corresponding penetrating grooves 207, the left wall bottom of the arc-shaped frame 1 is fixedly connected with second clamping jaws 209 on the front and back sides, the rear end of the bidirectional threaded rod 202 penetrates through the hollow box 201 and is fixedly connected with a handle 20, the outer side of the handle 20 is fixedly connected with a protective pad 21;

[0043] Specifically, when using the device, rotate the handle 20, drive the bidirectional threaded rod 202 to rotate by rotating the handle 20, with the rotation of the bidirectional threaded rod 202, the sliding blocks 203 will move along the thread direction of the threaded rod, in the process of moving, the sliding blocks 203 are connected with the support seats 205 through the connecting rods 204, so that the support seats 205 can move downward, the downward movement of the support seats 205 drives the support plate 206 to move downward as well, when the support plate 206 moves downward, the first clamping jaws 208 on the upper side will move downward accordingly and tightly fit with the second clamping jaws 209 on the lower side, so that the device can be conveniently connected with the agricultural vehicle, improving the convenience of using the device.

[0044] With reference to Figure 1 , Figure 2 and Figure 3The left and right ends of the mounting shaft 3 are fixedly connected with positioning shafts 15 on the front and back sides, the inside of the front and back ends of the arc-shaped frame 1 is fixedly connected with positioning blocks 16 on the left and right sides, the plurality of positioning shafts 15 are respectively clamped with the corresponding positioning blocks 16, the top of the push rod 12 is rotationally connected with a pull ring 19, and the inner side of the clamping groove 9 is matched with the size of the clamping block 8.

[0045] Specifically, the positioning shaft 15 and the positioning block 16 can conveniently install the mounting shaft 3, the pull ring 19 facilitates the staff to pull the push rod 12, the inner side of the clamping groove 9 is matched with the size of the clamping block 8, so that the mounting shaft 3 does not shake during use.

[0046] Referring to Figure 1 , Figure 5 and Figure 6 , the top of the hollow box 201 is provided with limiting grooves 22 on the front and back sides, the top of the two sliding blocks 203 is respectively slidably connected with the corresponding limiting grooves 22, the top of the hollow box 201 is fixedly connected with a handrail 23, and the outer side of the handrail 23 is fixedly connected with a protective sleeve 24.

[0047] Specifically, the limiting groove 22 can limit the movement of the sliding block 203, so that the sliding block 203 can move when the bidirectional screw rod 202 rotates, the handrail 23 facilitates the staff to move the device, and the protective sleeve 24 enables the staff to hold the handrail 23 more comfortably.

[0048] Working principle: when it is necessary to replace the model of the ditching disc 4 of the device, the push rod 12 is first pulled, the push rod 12 drives the ratchet pawl 11 to rotate, the ratchet pawl 11 rotates to disengage from the meshing state with the ratchet wheel 10, thereby releasing the limitation of the rotating rod 6, at this time the rotating handle 17 is rotated, the handle 17 drives the rotating rod 6 to rotate, the rotating rod 6 drives the cam 7 to rotate, the cam 7 rotates to release the limitation of the clamping block 8, at this time the spring 14 pushes the mounting frame 13 to move, the mounting frame 13 drives the clamping block 8 to move, the clamping block 8 moves to disengage from the clamping state with the clamping groove 9, so that the mounting shaft 3 can be disassembled, and the ditching disc 4 can be conveniently replaced;

[0049] And when using the device, the handle 20 is rotated, the handle 20 drives the bidirectional screw rod 202 to rotate, at this time the sliding block 203 moves, the sliding block 203 moves to push the support base 205 to move downward through the connecting rod 204, the support base 205 moves to drive the support plate 206 to move downward, at this time the first clamping jaw 208 on the upper side moves downward to be in contact with the second clamping jaw 209, so that the device can be conveniently connected with the agricultural vehicle.

[0050] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A lever snap-on quick-change head ditching, seeding and covering device comprising an arc-shaped frame (1), characterized in that: The inner middle part of the arc-shaped frame (1) is provided with a mounting shaft (3), the outer side of the mounting shaft (3) is equidistantly fixedly connected with a plurality of ditching discs (4), the front and rear sides of the arc-shaped frame (1) are fixedly connected with hollow shells (5), the inner side of the hollow shell (5) is rotatably connected with a rotating rod (6), the outer middle part of the rotating rod (6) is fixedly connected with a cam (7), the adjacent side of the two cams (7) is provided with a clamping block (8), the adjacent end of the two clamping blocks (8) penetrates the arc-shaped frame (1), the front and rear ends of the mounting shaft (3) are provided with clamping grooves (9), the two clamping blocks (8) are respectively clamped with the corresponding clamping grooves (9), the outer wall left side of the rotating rod (6) is fixedly connected with a ratchet wheel (10), the inner left end front side of the hollow shell (5) is rotatably connected with a ratchet pawl (11), the ratchet pawl (11) is meshed with the ratchet wheel (10), the top of the ratchet wheel (10) is fixedly connected with a push rod (12), the top of the push rod (12) penetrates the hollow shell (5), the left and right ends of the far side of the two clamping blocks (8) are fixedly connected with mounting frames (13), the inner sides of the plurality of mounting frames (13) are fixedly connected with springs (14), one end of the plurality of springs (14) is fixedly connected with the arc-shaped frame (1), the left side of the arc-shaped frame (1) is provided with a connecting mechanism (2), and the connecting mechanism (2) is used for conveniently connecting the device with an agricultural vehicle.

2. The lever catch quick-change head furrow seeding and covering unit according to claim 1, characterized in that: The connecting mechanism (2) comprises a hollow box (201), the inner side top of the hollow box (201) is rotatably connected with a bidirectional threaded rod (202), the outer wall front and rear sides of the bidirectional threaded rod (202) are threadedly connected with sliding blocks (203), the bottoms of the two sliding blocks (203) are rotatably connected with connecting rods (204), the bottoms of the two connecting rods (204) are rotatably connected with support seats (205), the bottoms of the two support seats (205) are fixedly connected with the same support plate (206), the left side front and rear ends of the support plate (206) are fixedly connected with first clamping jaws (208), the left wall front and rear sides of the hollow box (201) are provided with penetrating grooves (207), the left sides of the two first clamping jaws (208) penetrate the corresponding penetrating grooves (207), and the left wall bottom front and rear sides of the arc-shaped frame (1) are fixedly connected with second clamping jaws (209).

3. The lever-latch quick-change head furrow-sowing and covering device according to claim 1, characterized in that: The left end of the rotating rod (6) penetrates the hollow shell (5) and is fixedly connected with a handle (17), and the outer side of the handle (17) is fixedly connected with a rubber layer (18).

4. The lever-latch quick-change head furrow-sowing and covering device according to claim 2, characterized in that: The rear end of the bidirectional threaded rod (202) penetrates the hollow box (201) and is fixedly connected with a rotating handle (20), and the outer side of the rotating handle (20) is fixedly connected with a protective pad (21).

5. The lever-latch quick-change head furrow-sowing and covering device according to claim 1, characterized in that: The left and right ends of the mounting shaft (3) are fixedly connected with positioning shafts (15), and the inner front and rear ends of the arc-shaped frame (1) are fixedly connected with positioning blocks (16), and the plurality of positioning shafts (15) are respectively clamped with the corresponding positioning blocks (16).

6. The lever-latch quick-change coulter-furrower device of claim 1, wherein: The top of the dialing rod (12) is rotationally connected with a pull ring (19), and the inner side of the clamping groove (9) is matched with the size of the clamping block (8).

7. The lever-latch quick-change coulter-furrower device of claim 2, wherein: The top of the hollow box (201) is provided with a limiting groove (22) on the front and back sides, and the top of the two sliding blocks (203) is respectively connected with the corresponding limiting groove (22) in a sliding mode.

8. The lever-latch quick-change coulter-furrower device of claim 2, wherein: The top left side of the hollow box (201) is fixedly connected with a handrail (23), and the outer side of the handrail (23) is fixedly connected with a sheath (24).

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