CN215121792U

CN215121792U - Backfill suppression device with adjustable

Info

Publication number: CN215121792U
Application number: CN202121189279.4U
Authority: CN
Inventors: 吴振兴; 魏真; 李辰; 杨光; 樊佩奕; 王子夜; 石玉涛
Original assignee: Tianjin Modern Vocational Technology College
Current assignee: Tianjin Modern Vocational Technology College
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-14
Anticipated expiration: 2031-05-28

Abstract

The utility model provides a backfill suppression device with adjustable, including slide cartridge, telescopic shaft, support frame, suppression roller and two discs that fill out, the telescopic shaft is pegged graft in slide cartridge, and the length direction along slide cartridge slides, and two discs that fill out set up in the both sides of telescopic shaft through the connecting axle, fill out and coil its axial rotation, the support frame is articulated with the lateral wall of slide cartridge, and the suppression roller sets up in the bottom of support frame, with support frame swivelling joint, is provided with the spring between support frame and slide cartridge. The adjustable backfill compacting device can adjust the height of the soil filling disc according to different ground conditions, adjust the pressure of the soil filling disc on the soil and further control the soil filling amount; pressure spring can adjust the pressure of compression roller behind to play the cushioning effect, further with soil compaction, prevent that the seed from exposing.

Description

Backfill suppression device with adjustable

Technical Field

The utility model relates to an agricultural machine especially relates to a backfill suppression device with adjustable.

Background

With the continuous improvement of agricultural mechanization degree in China, planting machines for various crops also show a diversified development trend, and the existing planting machines are mainly divided into two categories, namely hill-drop planters and drill planters. The equipment mainly comprises a seeding and fertilizing mechanism and a soil covering mechanism. Wherein seeding fertilizing mechanism is direct to be decided the seeding precision of seed, and a lot of seeding machinery manufacturing enterprises can carry out a large amount of improvements to seeding fertilizing mechanism according to in service behavior every year.

The mechanism is simpler than a seeding and fertilizing mechanism, but the action of the mechanism is also crucial to the growth of crops. The purpose of covering soil on the seeds is to facilitate the seeds to fully absorb the moisture of the soil, prevent the roots from exposing and protect the root system. If the covering soil is not uniform or the covering soil quantity is insufficient, seeds can be exposed outside the soil, and sufficient moisture is difficult to obtain for germination, so that the conditions of seedling shortage and ridge breaking are caused. The covering soil is the last procedure of crop planting, directly determines the growth condition of seeds in the later period, and influences the yield of crops.

Disclosure of Invention

In view of this, the utility model aims at overcoming the defect that exists among the above-mentioned prior art, provides a backfill suppression device with adjustable, and the device can adjust its earthing effect according to the soil condition of different humidity and different hardness.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a backfill suppression device with adjustable, includes slide cartridge, telescopic shaft, support frame, compression roller and two dish of banketing, the telescopic shaft is pegged graft in slide cartridge, slides along the length direction of slide cartridge, two the dish of banketing passes through the connecting axle and sets up in the both sides of telescopic shaft, the dish of banketing is coiled its axial rotation two the front end of the dish of banketing and the lower extreme all incline to the direction that carries on the back mutually, the support frame is articulated with the lateral wall of slide cartridge, the compression roller sets up in the bottom of support frame, with support frame swivelling joint, the compression roller is located two the middle part rear of the dish of banketing, the axial of compression roller and two the axial region of banketing dish is parallel, be provided with the spring between support frame and slide cartridge.

Furthermore, the telescopic shaft comprises a threaded rod on the upper portion and a sliding rod on the lower portion, the threaded rod is rotatably connected with the sliding rod, a threaded hole and a sliding hole which are connected end to end are formed in the sliding barrel, the threaded rod is screwed in the threaded hole, and the sliding rod is slidably inserted in the sliding hole.

Further, the diameter of the threaded rod is smaller than that of the sliding rod, an end plate is arranged at the top of the telescopic shaft, and the size of the end plate is larger than that of the threaded rod.

Furthermore, the diameter of the threaded rod is larger than that of the sliding rod, a stop block is arranged at the bottom of the telescopic shaft, and the diameter of the stop block is larger than that of the sliding hole.

Furthermore, a slotted hole is formed in the support frame, two rows of clamping hooks are symmetrically arranged on two sides of the slotted hole, hooks are arranged at two ends of the spring, one hook is hung on a hanging ring arranged on the side wall of the sliding barrel, the other hook penetrates through the slotted hole and is hung in an annular clamping piece, and the clamping piece is clamped in the clamping hooks.

Furthermore, the clamping piece is a ladder-shaped ring, the diameter of the wide end of the clamping piece is larger than the width of the slotted hole, and the diameter of the narrow end of the clamping piece is matched with the width of the slotted hole.

Further, the width of the press roller is more than 0.5 time of the distance between the bottoms of the two soil filling disks;

and two ends of the middle insertion shaft of the compression roller are rotatably inserted into through holes formed in the second supporting plate.

Furthermore, a scraping plate is arranged on the press roller, and the included angle of the tangent plane at the joint of the scraping plate and the press roller is more than 15 degrees;

the scraper is fixed on the support frame through a connecting plate;

and the scrapers on the two sides of the soil filling disc are connected and fixed with a support plate fixed on the side wall of the sliding barrel through an assembly plate.

Furthermore, the connecting shaft comprises a first connecting shaft, a universal coupling and a second connecting shaft which are sequentially connected, a lantern ring is sleeved on the second connecting shaft, the lantern ring is connected with the telescopic shaft through a telescopic connecting rod, and two ends of the connecting rod are respectively hinged with the telescopic shaft and the lantern ring;

the first connecting shaft is rotatably inserted at the bottom end of the telescopic shaft, and the lantern ring is a bearing;

or the soil filling disc is rotationally connected with the second connecting shaft.

Furthermore, the connecting rod comprises a sleeve and a sliding rod, the sliding rod is inserted into the sleeve in a sliding mode, a plurality of positioning holes are formed in the sleeve and the sliding rod, and the sleeve and the sliding rod are fixed in relative positions through pins inserted into the positioning holes.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this backfill suppression device with adjustable can adjust according to the ground condition of difference to the height of the dish of filling out, and the adjustment is filled out the pressure of dish to soil to control the volume of filling out.

(2) This backfill suppression device with adjustable, pressure spring can adjust the pressure of the suppression roller at the back to play the cushioning effect, further with the soil compaction, prevent that the seed from exposing.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of the overall structure of an adjustable backfill compacting device according to the present invention;

fig. 2 is a schematic perspective structural view of an adjustable backfill compacting device according to the present invention;

fig. 3 is a schematic view of the overall structure of an adjustable backfill compacting device according to the present invention;

fig. 4 is a schematic structural view of a connecting shaft of the adjustable backfill compacting device according to the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4.

Description of reference numerals:

1-a connecting frame; 2-a slide cylinder; 21-a threaded hole; 22-a slide hole; 23-a support block; 231-a rotating shaft; 24-hanging ring; 3-a telescopic shaft; 31-a threaded rod; 311-T-shaped shaft; 32-a slide bar; 321-T-shaped grooves; 33-a stopper; 4-an end plate; 41-turning handle; 5-a support frame; 51-slotted holes; 52-hook; 53-a first support plate; 54-a second support plate; 6-a spring; 61-hanging hooks; 62-a fastener; 7-a soil filling disc; 71-a scraper; 711-assembly plate; 72-a support plate; 8-a connecting shaft; 81-first connecting shaft; 82-universal coupling; 83-second connecting shaft; 84-a collar; 9-a connecting rod; 91-a sleeve; 92-a slide bar; 93-positioning holes; 94-hinge plate; 95-a hinged seat; 96-pin; 10-press roll; 101-inserting a shaft; 102-a connecting plate; 103-scraper.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following examples with reference to the accompanying drawings:

as shown in fig. 1-5, the embodiment provides an adjustable backfill compacting device, which is arranged at the rear of a ditching and seeding device, and comprises a sliding cylinder 2, a telescopic shaft 3, a support frame 5, a compacting roller 10 and two soil filling disks 7, wherein the backfill compacting device is fixed on the ditching and seeding device through a connecting frame 1 arranged on the sliding cylinder 2;

in the backfilling and pressing device, a telescopic shaft 3 is inserted into a sliding cylinder 2 and slides along the length direction of the sliding cylinder 2, two soil filling disks 7 are arranged on two sides of the telescopic shaft 3 through a connecting shaft 8, the soil filling disks 7 rotate around the axial direction of the soil filling disks 7, and the front ends and the lower ends of the two soil filling disks 7 incline towards opposite directions, so that soil on two sides of a sowing ditch cut by ditching and sowing equipment is covered and kept off in the forward movement process of the two soil filling disks 7, and seeds in the sowing ditch are covered;

support frame 5 is articulated with the lateral wall of slide cartridge 2, the compression roller 10 sets up in the bottom of support frame 5, with support frame 5 swivelling joint, compression roller 10 is located two middle part rear of filling out the dish 7, the axial of compression roller 10 is parallel with the axial region line of two dish 7 that fill out, be provided with spring 6 between support frame 5 and slide cartridge 2, compression roller 10 carries out the compaction to the soil after the earthing, spring 6 then is used for adjusting the pressure of compression roller 10, and play the cushioning effect.

According to the adjustable backfill compacting device provided by the embodiment, the telescopic shaft 3 is screwed to be telescopic along the length direction of the sliding cylinder 2, the height of the soil filling disc 7 can be adjusted according to different ground conditions in use, the pressure of the soil filling disc 7 on soil is adjusted, and therefore the soil filling amount is controlled; pressure spring 6 pushes down compression roller 10, further with the soil compaction, prevents that the seed from exposing, can adjust the pressure of compression roller 10 behind simultaneously to play the cushioning effect.

Specifically, in this embodiment, the telescopic shaft 3 includes a threaded rod 31 at the upper portion and a sliding rod 32 at the lower portion, a T-shaped shaft 311 is disposed at the bottom end of the threaded rod 31, a T-shaped groove 321 is disposed at the top end of the sliding rod 32, the T-shaped shaft 311 is inserted into the T-shaped groove 321 and is rotationally connected with the T-shaped groove 321, so as to achieve rotational connection between the threaded rod 31 and the sliding rod 32, a threaded hole 21 and a sliding hole 22 are formed in the sliding barrel 2, the threaded rod 31 is screwed into the threaded hole 21, the sliding rod 32 is slidably inserted into the sliding hole 22, the sliding hole 22 is a rectangular hole, and a handle is disposed at the top end of the telescopic shaft 3 is screwed so that the sliding rod 32 slides along the length direction of the sliding hole 22, and the soil-filling disc 7 is driven to lift.

In this embodiment, the slide cylinder 2 and the threaded rod 31 are positioned in two ways: firstly, the diameter of the threaded rod 31 is smaller than that of the sliding rod 32, the top of the telescopic shaft 3 is provided with an end plate 4, the size of the end plate 4 is larger than that of the threaded rod 31, the end part of the sliding rod 32 is abutted against the end part of the sliding hole 22 to limit the upward moving distance of the telescopic shaft 3, and the downward moving distance of the telescopic shaft 3 is limited by the end plate 4; secondly, the diameter of the threaded rod 31 is larger than that of the sliding rod 32, the bottom of the telescopic shaft 3 is provided with a stop 33, the diameter of the stop 33 is larger than that of the sliding hole 22, the downward moving distance of the telescopic shaft 3 is limited by the end part of the threaded rod 31 abutting against the end part of the threaded hole 21, and the upward moving distance of the telescopic shaft 3 is limited by the stop 33.

In this embodiment, the two sides of the top of the supporting frame 5 are provided with first supporting plates 53, the first supporting plates 53 are located at two sides of the supporting block 23 arranged on the side wall of the sliding cylinder 2, and the supporting block 23 and the first supporting plates 53 are rotatably connected through the inserted rotating shaft 231; the supporting frame 5 is provided with a slotted hole 51, two rows of hooks 52 are symmetrically arranged on two sides of the slotted hole 51, the hooks 52 are arc-shaped plates with downward bent ends, hooks 61 are arranged at two ends of the spring 6, one hook 61 is hooked on a hanging ring 24 arranged on the side wall of the sliding barrel 2, the other hook 61 penetrates through the slotted hole 51 and is hooked in an annular clamping piece 62, and the clamping piece 62 is clamped in the hooks 52.

Specifically, in this embodiment, clamping piece 62 is a trapezoidal ring, the diameter of the wide end of clamping piece 62 is greater than the width of slot hole 51, the diameter of the narrow end of clamping piece 62 matches with the width of slot hole 51, so as to prevent clamping piece 62 from transversely shaking, and during use, the narrow end of clamping piece 62 is inserted into slot hole 51, and the wide end is clamped on clamping hooks 52 on both sides.

In the embodiment, the width of the press roller 10 is greater than 0.5 time of the distance between the bottoms of the two soil filling disks 7 and is slightly greater than the width of a sowing ditch scratched by ditching and sowing equipment; specifically, the two ends of the bottom of the supporting frame 5 are fixed with second supporting plates 54 that are expanded outward, and the two ends of the middle insertion shaft 101 of the press roller 10 are rotatably inserted into through holes formed in the second supporting plates 54.

In order to avoid soil adhesion and accumulation and influence on the compacting effect, in the embodiment, the compacting roller 10 is provided with the scraping plate 103, and the included angle of the tangent plane at the joint of the scraping plate 103 and the compacting roller 10 is greater than 15 degrees, so that the scraping effect is ensured; the scraper 103 is fixed to the second support plate 54 by a connecting plate 102; the two sides of the earth-filling disc 7 are provided with scrapers 71, the scrapers 71 on the two sides of the earth-filling disc 7 are fixedly connected with a support plate 72 fixed on the side wall of the sliding barrel 2 through an assembly plate 711, the free end of the support plate 72 inclines backwards, or the front side of the scraper 71 expands outwards, so that the outward expansion angles of the scrapers 71 and the front end of the earth-filling disc 7 are consistent, the support plate 72 and the assembly plate 711 are both provided with a plurality of through holes, the assembly plate 711 and the support plate 72 are fixedly assembled through bolts and nuts, and when the earth-filling disc 7 is adjusted in position, the scrapers 71 can keep the relative position with the earth-filling disc 7 by changing the fixed through holes and the inclination angles.

In this embodiment, the connecting shaft 8 includes a first connecting shaft 81, a universal coupling 82 and a second connecting shaft 83 which are connected in sequence, a lantern ring 84 is sleeved on the second connecting shaft 83, an inner ring of the lantern ring 84 is fixedly connected with the second connecting shaft 83, the lantern ring 84 is connected with the telescopic shaft 3 through a telescopic connecting rod 9, and two ends of the connecting rod 9 are respectively hinged with the telescopic shaft 3 and the lantern ring 84; the first connecting shaft 81 is rotatably inserted at the bottom end of the telescopic shaft 3, a bearing is arranged between the first connecting shaft 81 and the telescopic shaft 3, the lantern ring 84 is a bearing, the earth-filling disc 7 rotates to drive the second connecting shaft 83 to rotate, and the transmission direction is changed through the universal coupling 82, so that the first connecting shaft 81 rotates around the axial direction of the first connecting shaft; or the soil filling disc (7) is rotationally connected with the second connecting shaft 83 through a bearing or a T-shaped shaft and a T-shaped groove.

Specifically, in this embodiment, the connecting rod 9 includes a sleeve 91 and a sliding rod 92, the sliding rod 92 is inserted into the sleeve 91 in a sliding manner, the sleeve 91 and the sliding rod 92 are respectively provided with a plurality of positioning holes 93, and the sleeve 91 and the sliding rod 92 are fixed at relative positions by pins 96 inserted into the positioning holes 93; in this embodiment, the sliding rod 92 is a rectangular rod, the separated ends of the sleeve 91 and the sliding rod 92 are both provided with a hinged plate 94, the hinged plates 94 are inserted into the two hinged seats 95 and are connected with the hinged seats 95 in a sliding manner, so as to position the rotation direction of the connecting rod 9, and the second connecting shaft 83 drives the soil filling disc 7 to lift along the length direction of the telescopic shaft 3.

Note: the fixing manner described herein is, if not specifically stated, a conventional fixing manner such as a screw connection, a welding, an adhesion, etc. may be used.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a backfill suppression device with adjustable which characterized in that: comprises a sliding cylinder (2), a telescopic shaft (3), a supporting frame (5), a press roller (10) and two soil filling disks (7), the telescopic shaft (3) is inserted in the sliding cylinder (2) and slides along the length direction of the sliding cylinder (2), the two soil filling discs (7) are arranged on two sides of the telescopic shaft (3) through a connecting shaft (8), the front ends and the lower ends of the two soil filling discs (7) rotate around the axial direction of the soil filling discs (7) and incline towards the opposite direction, the supporting frame (5) is hinged with the side wall of the sliding barrel (2), the press roller (10) is arranged at the bottom end of the supporting frame (5), is rotationally connected with the supporting frame (5), the press roller (10) is positioned at the rear part of the middle parts of the two soil filling discs (7), the axial direction of the press roller (10) is parallel to the connecting line of the shaft parts of the two soil filling disks (7), and a spring (6) is arranged between the support frame (5) and the sliding cylinder (2).

2. The adjustable backfill compacting device according to claim 1, wherein: the telescopic shaft (3) comprises a threaded rod (31) on the upper portion and a sliding rod (32) on the lower portion, the threaded rod (31) is connected with the sliding rod (32) in a rotating mode, a threaded hole (21) and a sliding hole (22) which are connected end to end are formed in the sliding barrel (2), the threaded rod (31) is screwed in the threaded hole (21), and the sliding rod (32) is inserted in the sliding hole (22) in a sliding mode.

3. The adjustable backfill compacting device according to claim 2, wherein: the diameter of threaded rod (31) is less than the diameter of slide bar (32), the top of telescopic shaft (3) is provided with end plate (4), the size of end plate (4) is greater than the diameter of threaded rod (31).

4. The adjustable backfill compacting device according to claim 2, wherein: the diameter of the threaded rod (31) is larger than that of the sliding rod (32), a stop block (33) is arranged at the bottom of the telescopic shaft (3), and the diameter of the stop block (33) is larger than that of the sliding hole (22).

5. The adjustable backfill compacting device according to claim 1, wherein: a slotted hole (51) is formed in the support frame (5), two rows of clamping hooks (52) are symmetrically arranged on two sides of the slotted hole (51), hooks (61) are arranged at two ends of the spring (6), one hook (61) is hooked on a hanging ring (24) arranged on the side wall of the sliding barrel (2), the other hook (61) penetrates through the slotted hole (51) and is hooked in an annular clamping piece (62), and the clamping piece (62) is clamped in the clamping hooks (52).

6. The adjustable backfill compacting device according to claim 5, wherein: the clamping piece (62) is a ladder-shaped ring, the diameter of the wide end of the clamping piece (62) is larger than the width of the slotted hole (51), and the diameter of the narrow end of the clamping piece (62) is matched with the width of the slotted hole (51).

7. The adjustable backfill compacting device according to claim 1, wherein: the width of the compression roller (10) is greater than 0.5 time of the distance between the bottoms of the two soil filling discs (7);

and two ends of the bottom of the support frame (5) are fixed with second support plates (54) which are expanded outwards, and two ends of an insertion shaft (101) in the middle of the press roller (10) are rotatably inserted into through holes formed in the second support plates (54).

8. The adjustable backfill compacting device according to claim 1, wherein: a scraping plate (103) is arranged on the press roller (10), and the included angle of the tangent plane at the joint of the scraping plate (103) and the press roller (10) is larger than 15 degrees;

the scraper (103) is fixed on the support frame (5) through a connecting plate (102);

scrapers (71) are arranged on two sides of the soil filling disc (7), and the scrapers (71) on the two sides of the soil filling disc (7) are fixedly connected with a support plate (72) fixed on the side wall of the sliding barrel (2) through an assembly plate (711).

9. The adjustable backfill compacting device according to claim 1, wherein: the connecting shaft (8) comprises a first connecting shaft (81), a universal coupling (82) and a second connecting shaft (83) which are sequentially connected, a lantern ring (84) is sleeved on the second connecting shaft (83), the lantern ring (84) is connected with the telescopic shaft (3) through a telescopic connecting rod (9), and two ends of the connecting rod (9) are respectively hinged with the telescopic shaft (3) and the lantern ring (84);

the first connecting shaft (81) is rotatably inserted at the bottom end of the telescopic shaft (3), and the lantern ring (84) is a bearing;

or the soil filling disc (7) is rotationally connected with the second connecting shaft (83).

10. The adjustable backfill compacting device according to claim 9, wherein: the connecting rod (9) comprises a sleeve (91) and a sliding rod (92), the sliding rod (92) is inserted into the sleeve (91) in a sliding mode, a plurality of positioning holes (93) are formed in the sleeve (91) and the sliding rod (92), and the sleeve (91) and the sliding rod (92) are fixed in relative positions through pins (96) inserted into the positioning holes (93).