CN214545396U

CN214545396U - Bilateral telescopic variable-width soil covering device

Info

Publication number: CN214545396U
Application number: CN202120787336.2U
Authority: CN
Inventors: 朱新华; 肖佩江; 张志毅; 李洪春; 赵怀松; 邓海涛
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2021-11-02
Anticipated expiration: 2031-04-17

Abstract

The utility model discloses a two sides scalable width of change earthing device belongs to agricultural equipment technical field. A two-sided scalable width-variable soil covering device at least comprises: the soil throwing machine comprises a telescopic rack, a front fixed rack, a rear fixed rack, a walking device and a soil throwing mechanism. The utility model provides a two sides scalable width earthing device that becomes can adjust the earthing width in a flexible way, and material blanking district width is along with earthing width synchronous regulation. The utility model is suitable for a need cover the condition of ground among the agricultural production, the operation is covered to the material layering in different row spacing orchards of specially adapted, can effectively promote earthing device to the suitability of different earthing width.

Description

Bilateral telescopic variable-width soil covering device

Technical Field

The utility model discloses a two sides scalable width of change earthing device belongs to agricultural and equips technical field, in particular to orchard machinery and equips the field.

Background

In order to realize green sustainable agricultural development, agricultural waste residues need to be efficiently utilized in a mechanized mode. In production, the ground surface is covered with a layer of material and then covered with soil. Particularly, the straw layering covering technology is used in the orchard in the northwest dry land area to achieve the purposes of increasing the content of soil organic matters in the orchard, storing water, preserving soil moisture, inhibiting weeds and the like. However, due to the different row spacing of different orchards, the coverage width requirements of the materials are also different. The frame structure connected with the operation vehicle in the common soil covering device is fixed, and the width of the formed material blanking area is not variable. The materials are discharged from the carriage and are limited by the width of the material blanking area in the falling process, and the ground layered covering operation with different widths cannot be finished. The utility model discloses a two side scalable width of change earthing device adopts two side scalable frames, can change the width in earthing width and synchronous adjustment material blanking district in a flexible way and suit with the earthing width, can effectively satisfy the operation demand that different row spacing orchard ground layering covered.

At present, when the existing orchard soil covering device in China is used for ground layered covering operation, the width of material covering is limited by the width of a material blanking area of a rack, the width of covering soil can only be adjusted within a fixed width range of the rack, and the width of covering soil cannot be adapted to the width of covering material. The throwing type soil covering device can only be suitable for the ground layered covering operation of an orchard with a specific row spacing and cannot meet the operation requirements of the ground layered covering of the orchards with different row spacings.

In order to solve the problem, the utility model discloses a two sides scalable width earthing device that becomes, compact structure, the left and right sides of its frame can stretch out and draw back in a flexible way, can freely change the width in material blanking district and change the earthing operation width of throwing native mechanism in step, is applicable to the ground layering covering operation in different row spacing orchards.

Disclosure of Invention

The utility model aims at: discloses a bilateral telescopic width-variable soil covering device which is suitable for the requirement of width change of layered ground covering operation under orchards with different row spacings.

The utility model discloses the technical problem who solves: under the operation environment of orchards with different row spacings, how to change the breadth of the ground layered covering operation and not influence the operation quality of the ground layered covering.

In order to solve the technical problem to be solved by the utility model, the utility model provides a following technical scheme:

the utility model provides a two sides scalable breadth of becoming earthing device which characterized in that includes: the soil throwing machine comprises a telescopic frame 1, a front fixed frame 2, a rear fixed frame 3, a walking device 4 and a soil throwing mechanism 5. The front fixed frame 2, the rear fixed frame 3 and the telescopic frame 1 are all formed by hollow tubular structures. The telescopic machine frames 1 are symmetrically arranged at the left end and the right end of the front fixed machine frame 2 and the rear fixed machine frame 3 to form a rectangular machine frame and enclose a material blanking area 9. There is not fixed longeron to be connected between preceding fixed frame 2 and the back fixed frame 3, and the centre in material blanking district 9 is accessible, can not form the hindrance to the whereabouts of material. The telescopic frame 1 is respectively connected with the front fixed frame 2 and the rear fixed frame 3 in a nested structure. The left end and the right end of the front fixed frame 2 and the rear fixed frame 3 are respectively and symmetrically provided with a traveling device 4 and a soil throwing mechanism 5.

Preceding fixed frame 2 includes I14 of entablature, I16 of bottom end rail, left stay tube I15 and right stay tube I17 at least, and entablature I14 and I16 of bottom end rail are parallel to each other, and I15 of left stay tube and I17 symmetry vertical connection of right stay tube are in the both sides of entablature I14 and I16 of bottom end rail.

The rear fixed frame 3 comprises an upper cross beam II 21, a lower cross beam II 25, a left support tube II 22 and a right support tube II 26, the upper cross beam II 21 and the lower cross beam II 25 are parallel to each other, and the left support tube II 22 and the right support tube II 26 are symmetrically and vertically connected with the upper cross beam II 21 and the lower cross beam II 25.

The telescopic rack 1 comprises a front embedded rack 10, a rear embedded rack 13, an outer side connecting pipe I11 and an outer side connecting pipe II 12. The front embedded frame 10 is a rectangular frame with one open end and composed of an upper embedded pipe I28, a lower embedded pipe I30 and a connecting pipe I29, and the open ends of the upper embedded pipe I28 and the lower embedded pipe I30 are respectively embedded into an upper cross beam I14 and a lower cross beam I16 of the front fixed frame 2; the rear embedded frame 13 is a rectangular frame with one open end and composed of an upper embedded pipe II 31, a lower embedded pipe II 33 and a connecting pipe II 32, and the open ends of the upper embedded pipe II 31 and the lower embedded pipe II 33 are respectively embedded into the upper cross beam II 21 and the lower cross beam II 25 of the rear fixed frame 3. And the outer side connecting pipe I11 and the outer side connecting pipe II 12 are vertically connected with the upper side and the lower side of the closed ends of the front embedded rack 10 and the rear embedded rack 13 from front to back.

The soil throwing mechanism 5 comprises a soil throwing wheel connecting beam 7, a soil throwing wheel 8 and a hydraulic motor 6, one end of the soil throwing wheel connecting beam 7 is fixedly connected with the rear embedded rack 13, the outer end face of the soil throwing wheel connecting beam is flush with the outer end face of the rear embedded rack 13, the soil throwing wheel 8 is installed at the other end of the soil throwing wheel connecting beam 7, and the soil throwing wheel 8 is directly driven by the hydraulic motor 6.

The traveling device 4 is a depth wheel with adjustable height and is arranged at the outer ends of an outer side connecting pipe I11 and an outer side connecting pipe II 12 of the telescopic rack 1. The traveling device 4 can change the ground clearance of the frame, so that the soil-entering depth of the soil-throwing mechanism 5 connected to the frame is changed, and the purpose of regulating and controlling the thickness of the soil-covering operation is realized. Meanwhile, the depth wheel can adapt to the terrain, so that the soil covering device has the function of ground profiling.

The lower wall of preceding fixed frame 2 entablature I14, preceding wall and back wall are provided with outside bellied spout from the inboard, the last wall of preceding fixed frame 2 entablature I16 inner wall, preceding wall and back wall are provided with outside bellied spout from the inboard, the lower surface of embedding pipe I28 on the preceding embedding frame 10, front surface and rear surface are provided with bellied draw runner, the upper surface of embedding pipe I30 under the preceding embedding frame 10, front surface and rear surface are provided with bellied draw runner, the draw runner on going up embedding pipe I28 surface cooperates with the spout of entablature I14 inner wall, the draw runner on embedding pipe I30 surface cooperates with the spout of I16 inner wall of entablature down. The matching structure of the sliding strip and the sliding groove enables the frame to avoid the condition that the telescopic function is invalid due to the relative movement of the nested structure in the non-telescopic movement direction in the telescopic movement, and the stable and smooth realization of the telescopic functions at the two sides of the frame can be effectively ensured.

A through hole I23 and a through hole II 27 are respectively formed in the middle of a left supporting tube II 22 and a right supporting tube II 26 of the rear fixed frame 3, the axes of the through hole I23 and the through hole II 27 are collinear, a double-acting oil cylinder 24 penetrates through the through hole I23 and the through hole II 27 and is installed in the middle of the rear fixed frame 3, and the left end and the right end of the double-acting oil cylinder are respectively hinged with the telescopic frames 1 on the left side and the right side. The double-side extension and contraction of the frame are realized by controlling the stroke of the double-acting oil cylinder 24.

The two ends of the upper surface of an upper cross beam I14 of the front fixed frame 2 are respectively provided with a boss 18, the bosses 18 are provided with threaded holes 20, the threaded holes 20 penetrate through the upper wall surface of the upper cross beam I14, limiting screws 19 are mounted on the threaded holes 20, and the limiting screws 19 are applied with certain pretightening force to increase the resistance to be overcome when the frame moves in a stretching mode, so that the frame nesting structure is enabled to be static in the stretching direction under the pushing of a non-double-acting oil cylinder 24, and the stability of the whole structure of the frame of the soil covering device is guaranteed.

The soil throwing wheel connecting beams 7 of the soil throwing mechanisms 5 on the left side and the right side are different in length, so that the soil throwing wheels 8 on the left side and the right side are arranged in a front-back staggered mode, soil can be taken on site, soil is uniformly thrown to the inner side or the outer side of the soil throwing wheels 8 according to required operation width and thickness, the soil covering width is not limited by the width of the frame of the soil covering device, the soil covering width can be synchronously and freely changed along with the width change of the material blanking area 9 within the stroke range of the telescopic frame 1, and the soil covering device is suitable for soil covering work of orchards with different row spacings during ground layered covering operation.

A bilateral telescopic variable-width soil covering device has the working principle as follows

A two sides scalable width earthing device that becomes can get soil on the spot and with the even cover of the operation width of requirement in ground or material layer's top, can adjust the width in a flexible way of earthing width and change material blanking district in step through the flexible of two sides of frame. The specific process and working principle are expressed as follows:

before the double-side telescopic variable-width soil covering device is used for ground layered covering operation, the device is connected with an operation vehicle in a hanging mode, the device is lifted to a certain ground clearance, the telescopic rack is reset to an initial state, the whole device is in a minimum state, and the operation vehicle can conveniently move. When the ground layered earthing operation is carried out, the bilateral telescopic variable-width earthing device is descended to the ground surface, the telescopic rack is adjusted according to the actual row spacing of the orchard, so that the distance between the soil throwing mechanisms meets the requirement of the earthing width, and meanwhile, the material blanking area is synchronously adjusted to the width suitable for covering materials. Then the external hydraulic system drives the hydraulic motor to rotate, and the hydraulic motor drives the soil throwing wheel directly connected with the hydraulic motor to move. The effect of the earthing operation is controlled by adjusting the rotating speed of the hydraulic motor, and the height of the walking device is adjusted according to the covering thickness requirement of the operation, so that the earthing depth of the soil throwing wheel is controlled to achieve the purpose of adjusting the earthing thickness. When the operation machine advances, materials borne by the operation vehicle fall through the material blanking area and are paved, and meanwhile, the soil throwing wheel takes soil on site, so that the soil is accurately and uniformly covered on the material layer. When the earthing operation is finished, the walking device is adjusted to enable the soil throwing wheel to lift off the ground, then the hydraulic motor is stopped to rotate, the telescopic rack is reset to the initial state, and finally the bilateral telescopic variable-width earthing device is lifted to a proper height.

The beneficial technical effects are as follows: the utility model discloses a scalable width of change earthing device of two sides can realize the ground layering of different width and cover, fetches earth on the spot and evenly covers earth surface or material layer top with the coverage width and the thickness of requirement. The width of the material blanking area can be flexibly adjusted, the middle part is free from obstacles, and the blanking cannot be hindered. And the stability and the fluency of the soil covering device when the telescopic function is realized are improved through a simple and compact nested structure.

Reference numerals:

1. the telescopic machine frame 2, the front fixed machine frame 3, the rear fixed machine frame 4, the walking device 5, the soil throwing mechanism 6, the hydraulic motor 7, the soil throwing wheel connecting beam 8, the soil throwing wheel 9, the material blanking area 10, the front embedded machine frame 11, the outer connecting pipe I12, the outer connecting pipe II 13, the rear embedded machine frame 14, the upper beam I15, the left supporting pipe I16, the lower beam I17, the right supporting pipe I18, the boss 19, the limit screw 20, the threaded hole 21, the upper beam II 22, the left supporting pipe II 23, the through hole I24, the double-acting oil cylinder 25, the lower beam II 26, the right supporting pipe II 27, the through hole II 28, the upper embedded pipe I29, the connecting pipe I30, the lower embedded pipe I31, the upper embedded pipe II 32, the connecting pipe II 33 and the lower embedded pipe II.

Drawings

FIG. 1 is a general structure diagram of a bilateral telescopic variable-width soil covering device;

FIG. 2 is a left side view of the overall structure of a double-side telescopic variable-width soil covering device;

FIG. 3 is a top view of the overall structure of a double-side telescopic variable-width soil covering device;

FIG. 4 is a structural view of a front fixed frame of the bilateral telescopic variable-width soil covering device;

FIG. 5 is a matching view of a rear fixed frame and a telescopic frame of the bilateral telescopic variable-width soil covering device;

FIG. 6 is a structure diagram of a telescopic frame of the double-side telescopic variable-width soil covering device;

FIG. 7 is a front embedded frame structure diagram of a bilateral telescopic variable-width soil covering device;

FIG. 8 is a structure diagram of a rear embedded frame of a double-side telescopic variable-width soil covering device;

FIG. 9 is a cross-sectional view showing a nested structure of a front fixed frame and an upper insert pipe I in a double-sided telescopic variable-width soil covering device;

fig. 10 is a cross-sectional view showing a nested structure of a front fixed frame and a lower insert pipe i in a double-sided telescopic variable-width earth covering device.

Detailed Description

The present embodiment is a method for performing mechanized ground layering covering operations.

As shown in fig. 1 and 3, a bilateral telescopic variable-width soil covering device comprises a telescopic frame 1, a front fixed frame 2, a rear fixed frame 3, a walking device 4 and a soil throwing mechanism 5. The telescopic rack 1, the front fixed rack 2 and the rear fixed rack 3 form a rectangular rack and enclose a material blanking area 9, and the middle of the material blanking area 9 is free of obstacles. The traveling device 4 and the soil throwing mechanism 5 are symmetrically arranged at the left end and the right end of the front fixed frame 2 and the rear fixed frame 3. The walking device 4 is connected on the outer side of the telescopic rack 1, the soil throwing mechanism 5 is connected behind the telescopic rack 1, and the distance between the two soil throwing wheels 8 is adjusted along with the movement of the telescopic rack 1.

As shown in fig. 2, the soil throwing mechanism 5 comprises a hydraulic motor 6, a soil throwing wheel connecting beam 7 and soil throwing wheels 8, wherein the soil throwing wheels 8 are arranged in a front-back staggered manner.

As shown in FIG. 4, the front fixed frame 2 comprises an upper cross beam I14, a lower cross beam I16, a left support pipe I15 and a right support pipe I17. The upper cross beam I14 and the lower cross beam I16 are parallel to each other, and the left supporting tube I15 and the right supporting tube I17 are symmetrically and vertically connected to two sides of the upper cross beam I14 and the lower cross beam I16. Two ends of the upper surface of an upper cross beam I14 of the front fixed frame 2 are respectively provided with a boss 18, the bosses 18 are provided with threaded holes 20, the threaded holes 20 penetrate through the upper wall surface of the upper cross beam I14, and the threaded holes 20 are provided with limiting screws 19. The limit screw 19 is applied with a certain pretightening force to increase the resistance to be overcome when the frame stretches and retracts, so that the frame nesting structure is ensured to be static in the stretching direction under the pushing of the non-double-acting oil cylinder 24, and the stability of the whole structure of the frame of the soil covering device is ensured. The lower wall surface, the front wall surface and the rear wall surface of the upper crossbeam I14 of the front fixed frame 2 are provided with outwards convex sliding grooves from the inner side, and the upper wall surface, the front wall surface and the rear wall surface of the inner wall of the lower crossbeam I16 of the front fixed frame 2 are provided with outwards convex sliding grooves from the inner side.

As shown in fig. 5, the rear fixed frame 3 includes an upper cross member ii 21, a lower cross member ii 25, a left support pipe ii 22, and a right support pipe ii 26. The upper cross beam II 21 and the lower cross beam II 25 are parallel to each other, and the left support pipe II 22 and the right support pipe II 26 are symmetrically and vertically connected with the upper cross beam II 21 and the lower cross beam II 25. A through hole I23 and a through hole II 27 are respectively formed in the middle of a left supporting tube II 22 and a right supporting tube II 26 of the rear fixed frame 3, the axes of the through hole I23 and the through hole II 27 are collinear, a double-acting oil cylinder 24 penetrates through the through hole I23 and the through hole II 27 and is installed in the middle of the rear fixed frame 3, and the left end and the right end of the double-acting oil cylinder are respectively hinged with the telescopic frames 1 on the left side and the right side. The double-side extension and contraction of the frame are realized by controlling the stroke of the double-acting oil cylinder 24.

As shown in fig. 6, the telescopic frame 1 includes a front insertion frame 10, a rear insertion frame 13, an outer connection pipe i 11 and an outer connection pipe ii 12. And the outer side connecting pipe I11 and the outer side connecting pipe II 12 are vertically connected with the upper side and the lower side of the closed ends of the front embedded rack 10 and the rear embedded rack 13 from front to back.

As shown in fig. 7, the front rack 10 is a rectangular frame with one open end, which is formed by an upper inserting pipe i 28, a lower inserting pipe i 30 and a connecting pipe i 29. The lower surface, the front surface and the rear surface of the embedding pipe I28 on the front embedding rack 10 are provided with convex sliding strips, and the upper surface, the front surface and the rear surface of the embedding pipe I30 under the front embedding rack 10 are provided with convex sliding strips.

As shown in fig. 8, the rear insertion frame 13 is a rectangular frame having one open end and composed of an upper insertion pipe ii 31, a lower insertion pipe ii 33, and a connection pipe ii 32.

As shown in figures 1, 9 and 10, the slide bars on the surface of the upper embedding pipe I28 are matched with the slide grooves on the inner wall of the upper cross beam I14, and the slide bars on the surface of the lower embedding pipe I30 are matched with the slide grooves on the inner wall of the lower cross beam I16 to form a nested structure. The matching structure of the sliding strip and the sliding groove enables the frame to avoid the condition that the telescopic function is invalid due to the relative movement of the nested structure in the non-telescopic movement direction in the telescopic movement, and the stable and smooth realization of the telescopic functions at the two sides of the frame can be effectively ensured.

Further explain the utility model discloses a two sides scalable width earth covering device's theory of operation:

Claims

1. A bilateral telescopic variable-width soil covering device is characterized by at least comprising a telescopic rack (1), a front fixed rack (2), a rear fixed rack (3), a walking device (4) and a soil throwing mechanism (5); the front fixed rack (2), the rear fixed rack (3) and the telescopic rack (1) are all formed by hollow tubular structures, the telescopic racks (1) are symmetrically arranged at the left end and the right end of the front fixed rack (2) and the rear fixed rack (3) to form a rectangular rack and enclose a material blanking area (9), no obstacle exists in the middle of the material blanking area (9), and the telescopic rack (1) is connected with the front fixed rack (2) and the rear fixed rack (3) in a nested structure respectively; the left end and the right end of the front fixed frame (2) and the rear fixed frame (3) are respectively and symmetrically provided with a traveling device (4) and a soil throwing mechanism (5);

the front fixed frame (2) at least comprises an upper cross beam I (14), a lower cross beam I (16), a left supporting tube I (15) and a right supporting tube I (17), the upper cross beam I (14) and the lower cross beam I (16) are parallel to each other, and the left supporting tube I (15) and the right supporting tube I (17) are symmetrically and vertically connected to two sides of the upper cross beam I (14) and the lower cross beam I (16);

the rear fixed frame (3) at least comprises an upper cross beam II (21), a lower cross beam II (25), a left support tube II (22) and a right support tube II (26), the upper cross beam II (21) and the lower cross beam II (25) are parallel to each other, and the left support tube II (22) and the right support tube II (26) are symmetrically and vertically connected to two sides of the upper cross beam II (21) and the lower cross beam II (25);

the telescopic rack (1) at least comprises a front embedded rack (10), a rear embedded rack (13), an outer side connecting pipe I (11) and an outer side connecting pipe II (12), wherein the front embedded rack (10) is a rectangular frame which is formed by an upper embedded pipe I (28), a lower embedded pipe I (30) and a connecting pipe I (29) and has an open end, and the open ends of the upper embedded pipe I (28) and the lower embedded pipe I (30) are respectively embedded into an upper cross beam I (14) and a lower cross beam I (16) of the front fixed rack (2); the rear embedded rack (13) is a rectangular frame which is formed by an upper embedded pipe II (31), a lower embedded pipe II (33) and a connecting pipe II (32) and has one open end, the open ends of the upper embedded pipe II (31) and the lower embedded pipe II (33) are respectively embedded into an upper cross beam II (21) and a lower cross beam II (25) of the rear fixed rack (3), and two ends of an outer side connecting pipe I (11) and an outer side connecting pipe II (12) are vertically connected with the upper part and the lower part of the closed ends of the front embedded rack (10) and the rear embedded rack (13);

the soil throwing mechanism (5) at least comprises a soil throwing wheel connecting beam (7), a soil throwing wheel (8) and a hydraulic motor (6), one end of the soil throwing wheel connecting beam (7) is fixedly connected with the rear embedded rack (13), the outer end face of the soil throwing wheel connecting beam is flush with the outer end face of the rear embedded rack (13), the soil throwing wheel (8) is installed at the other end of the soil throwing wheel connecting beam (7), and the soil throwing wheel (8) is directly driven by the hydraulic motor (6);

the walking device (4) is a depth wheel with adjustable height and is arranged at the outer ends of an outer side connecting pipe I (11) and an outer side connecting pipe II (12) of the telescopic rack (1).

2. The double-sided telescopic variable-width soil covering device as claimed in claim 1, wherein: the lower wall surface, the front wall surface and the rear wall surface of an upper beam I (14) of the front fixed rack (2) are provided with outwards-protruding sliding grooves from the inner sides, the upper wall surface, the front wall surface and the rear wall surface of a lower beam I (16) of the front fixed rack (2) are provided with outwards-protruding sliding grooves from the inner sides, the lower surface, the front surface and the rear surface of an embedded pipe I (28) of a front embedded rack (10) of the telescopic rack (1) are provided with protruding sliding strips, the upper surface, the front surface and the rear surface of a lower embedded pipe I (30) of the front embedded rack (10) are provided with protruding sliding strips, the sliding strips on the surface of the upper embedded pipe I (28) are matched with the sliding grooves on the inner wall of the upper beam I (14), and the sliding strips on the surface of the lower embedded pipe I (30) are matched with the sliding grooves on the inner wall of the lower beam I (16);

a through hole I (23) and a through hole II (27) are respectively formed in the middle of a left supporting tube II (22) and a right supporting tube II (26) of the rear fixed rack (3), the axes of the through hole I (23) and the through hole II (27) are collinear, a double-acting oil cylinder (24) penetrates through the through hole I (23) and the through hole II (27) and is installed in the middle of the rear fixed rack (3), and the left end and the right end of the double-acting oil cylinder are respectively hinged with the telescopic racks (1) on the left side and the right side;

the upper surface both ends of preceding fixed frame (2) entablature I (14) respectively are provided with a boss (18), and open threaded hole (20) on boss (18), and threaded hole (20) pierce through the last wall of entablature I (14), installs stop screw (19) on threaded hole (20).

3. The bilateral telescopic variable-width soil covering device as claimed in claim 1, wherein the soil throwing wheel connecting beams (7) of the soil throwing mechanisms (5) on the left and right sides are different in length, and the soil throwing wheels (8) on the left and right sides are staggered front and back.