CN217363827U

CN217363827U - Straw crushing and returning equipment

Info

Publication number: CN217363827U
Application number: CN202221560557.7U
Authority: CN
Inventors: 常国志; 李立辉; 周卫涛; 王成; 董彦霞; 吴波; 李敬东; 刘振芳
Original assignee: Shijiazhuang Zhongzhou Machinery Manufacturing Co ltd
Current assignee: Shijiazhuang Zhongzhou Machinery Manufacturing Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-06
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to the technical field of agricultural machinery, a still field equipment is smashed to straw is proposed, including backup pad, the arbor of setting between the backup pad of both sides and the crushing sword of setting on the arbor, the axis of arbor sets up along controlling the direction, and the key lies in: the equipment further comprises a cover plate arranged above the cutter shaft and at least two fixed blade sets arranged on the inner side of the cover plate, the front end and the rear end of the cover plate are bent downwards and extend, all the fixed blade sets are arranged in the front-rear direction, all the fixed blades of the same fixed blade set are arranged in the left-right direction, and the left end and the right end of the cover plate are respectively connected with the supporting plates at the corresponding ends. The straw crushing and returning equipment solves the problems that the structure of the straw crushing and returning equipment in the related art is simple, a group of crushing knives are generally arranged on a knife shaft, the knife shaft is driven to rotate by a driving mechanism, the knife shaft drives the crushing knives to rotate, and the crushing effect needs to be improved.

Description

Straw crushing and returning equipment

Technical Field

The utility model relates to the technical field of agricultural machinery, it is specific, relate to still field equipment is smashed to straw.

Background

The straw crushing and returning to the field can not only avoid the problem of air pollution caused by straw burning, but also increase soil organic matters, improve the soil structure, loosen the soil, increase the porosity, reduce the capacity and promote the growth of microorganism activity and crop roots, so the application range of the straw returning to the field is wider and wider. The existing straw crushing and returning equipment is simple in structure, a group of crushing knives are generally arranged on a knife shaft, the knife shaft is driven to rotate by a power mechanism, the knife shaft drives the crushing knives to rotate, and the crushing effect is to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a still field equipment is smashed to straw has solved among the correlation technique straw and has smashed still field equipment structure fairly simplely, and it is general exactly to set up a set of crushing sword on the arbor, and it is rotatory to drive the arbor with actuating mechanism, and it is rotatory that the arbor drives crushing sword, smashes the problem that the effect remains to improve.

The technical scheme of the utility model as follows: still field equipment is smashed to straw, including the backup pad, set up arbor between the backup pad of both sides and set up at the epaxial crushing sword of arbor, the axis of arbor sets up along left right direction, and the key lies in: the equipment further comprises a cover plate arranged above the cutter shaft and at least two fixed blade sets arranged on the inner side of the cover plate, the front end and the rear end of the cover plate are bent downwards and extend, all the fixed blade sets are arranged in the front-rear direction, all the fixed blades of the same fixed blade set are arranged in the left-right direction, and the left end and the right end of the cover plate are respectively connected with the supporting plates at the corresponding ends.

The equipment also comprises a positioning plate, all the fixed blades of the same fixed blade group are connected with the same positioning plate, and the positioning plate is detachably connected with the cover plate and the cover plate is detachably connected with the support plate.

The dovetail strip is fixed on the inner wall of the cover plate, one side of the positioning plate facing the cover plate is provided with a dovetail groove running through the length direction of the positioning plate, the dovetail groove on the positioning plate is spliced with the dovetail strip on the cover plate, both ends of the dovetail strip are provided with screw holes, the screw holes are in threaded connection with limiting rods, and the positioning plate is clamped between the limiting rods at both ends.

The crushing cutter comprises two blade bodies which are arranged in bilateral symmetry, the fixed ends of the blade bodies are detachably connected with cutter holders fixed on cutter shafts, the free ends of the blade bodies are bent and extended in the direction away from the other blade body, and cutting edges are arranged on the front side and the rear side of each blade body.

The equipment further comprises a roller arranged behind the supporting plate and with an axis arranged along the left-right direction, and a connecting plate connected with two ends of the roller, wherein the front end of the connecting plate is connected with the supporting plate on the corresponding side.

The middle part of connecting plate is articulated with the backup pad with the help of the hinge, has seted up a set of regulation hole in the backup pad, and all regulation holes are circular-arc at the hinge periphery and arrange, have seted up the via hole at the front end of connecting plate, and the via hole department is provided with the check lock lever, check lock lever and regulation hole threaded connection, and the connecting plate forms detachable the connection with the backup pad with the help of the check lock lever.

The equipment is still including connecting a set of supporting beam between the backup pad of both sides, and all supporting beam arrange along the fore-and-aft direction, and equipment is still including fixing the support frame in the supporting beam top in the place ahead and rotating the transmission shaft that sets up on the support frame, and the axis of transmission shaft sets up along left right direction, and the one end of transmission shaft is connected with the arbor with the help of the belt and is formed the belt transmission cooperation.

The device further comprises a tension wheel arranged above the belt, a positioning cover covering the tension wheel, and a positioning seat arranged above the positioning cover and fixedly connected with the supporting plate, wherein the bottom of the tension wheel is in contact with the belt, the tension wheel is in running fit with one end of the positioning cover, the other end of the positioning cover is hinged with the supporting plate, a pressing rod is additionally arranged, the pressing rod is in threaded connection with the positioning seat, and the lower end of the pressing rod is in contact with the positioning cover.

The equipment also comprises a protective cover arranged on the periphery of the belt, and the protective cover and the supporting plate are detachably connected.

The utility model discloses a theory of operation and beneficial effect do: the cover plate is arranged above the cutter shaft, the front end and the rear end of the cover plate are bent downwards and extend, at least two fixed blade sets arranged along the front-rear direction are arranged on the inner side of the cover plate, all the fixed blades of the same fixed blade set are arranged along the left-right direction, and the left end and the right end of the cover plate are respectively connected with the supporting plates at the corresponding ends. The cutter shaft drives the crushing cutter to rotate, the straw is broken and thrown to the back, the straw is contacted with the fixed cutter on the inner side of the cover plate for many times in the process of moving the straw backwards, the fixed cutter can be contacted with the fixed cutter for once shearing the straw every time, and the crushing effect can be improved through multiple times of shearing.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a front view of the external structure of the present invention.

Fig. 2 is a front view of the internal structure of the present invention.

Fig. 3 is a bottom view of the present invention.

Fig. 4 is a schematic view of the connection structure between the middle fixed blade and the cover plate of the present invention.

In the figure: 1. the grinding device comprises a supporting plate, 2 parts of a cutter shaft, 3 parts of a grinding cutter, 3 parts of 1 part of a cutter blade body, 3 parts of 2 parts of a cutter blade, 4 parts of a cover plate, 5 parts of a fixed cutter blade, 6 parts of a positioning plate, 7 parts of a dovetail strip, 8 parts of a limiting rod, 9 parts of a cutter holder, 10 parts of a roller, 11 parts of a connecting plate, 12 parts of a hinge shaft, 13 parts of a regulating hole, 14 parts of a through hole, 15 parts of a supporting beam, 16 parts of a supporting frame, 17 parts of a transmission shaft, 18 parts of a belt, 19 parts of a tensioning wheel, 20 parts of a positioning cover, 21 parts of a positioning seat, 22 parts of a compression bar, 23 parts of a protective cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts relate to the protection scope of the present invention.

In a specific embodiment, as shown in fig. 1 and 2, the straw crushing and returning device comprises a support plate 1, a cutter shaft 2 arranged between the support plates 1 on two sides, and a crushing cutter 3 arranged on the cutter shaft 2, wherein the axis of the cutter shaft 2 is arranged along the left-right direction, the device further comprises a cover plate 4 arranged above the cutter shaft 2, and at least two fixed blade sets arranged on the inner side of the cover plate 4, the front end and the rear end of the cover plate 4 are bent downwards and extend, all the fixed blade sets are arranged along the front-back direction, all the fixed blades 5 of the same fixed blade set are arranged along the left-right direction, and the left end and the right end of the cover plate 4 are respectively connected with the support plates 1 at the corresponding ends.

As right the utility model discloses a further improvement, equipment still includes locating plate 6, and all stationary blades 5 of same stationary blade group all are connected with same locating plate 6, and all be detachable connection between locating plate 6 and the apron 4, between apron 4 and the backup pad 1. All the fixed blades 5 are fixed on the positioning plate 6 in advance, and only the positioning plate 6 is required to be connected with the cover plate 4, so that the process of connecting all the fixed blades 5 with the cover plate 4 one by one is omitted, and time and labor are saved. When the fixed blade 5 is damaged and needs to be replaced, the positioning plate 6 where the fixed blade 5 is located is directly detached, the damaged fixed blade 5 is detached, the new fixed blade 5 is installed, the positioning plate 6 is connected with the cover plate 4, the positioning plate 6 and all the fixed blades 5 on the positioning plate do not need to be scrapped, and cost can be saved.

As right the utility model discloses a further improvement is fixed with dovetail 7 on apron 4 inner wall, offers the dovetail that runs through its length direction towards apron 4 one side at locating plate 6, and dovetail on the locating plate 6 is pegged graft with dovetail 7 on the apron 4, has all seted up the screw at dovetail 7's both ends, and screw department threaded connection has gag lever post 8, and locating plate 6 presss from both sides tightly between the gag lever post 8 at both ends.

As shown in fig. 4, during installation, the dovetail groove on the positioning plate 6 and the dovetail bar 7 on the cover plate 4 are inserted together, and then the left and right limiting rods 8 are in threaded connection with the screw holes on the dovetail bar 7, so that the positioning plate 6 is clamped between the two limiting rods 8; when needing to dismantle, only need with a gag lever post 8 and dovetail strip 7 separation, then with locating plate 7 and dovetail strip 7 separation can, simple structure, easy dismounting is swift, labour saving and time saving.

As a further improvement of the utility model, the crushing cutter 3 comprises two blade bodies 3-1 which are arranged in bilateral symmetry, the fixed end of the blade body 3-1 is detachably connected with the cutter holder 9 fixed on the cutter shaft 2, the free end of each blade body 3-1 is bent and extended towards the direction far away from the other blade body 3-1, and the front side and the rear side of each blade body 3-1 are provided with cutting edges 3-2.

As shown in figure 3, the bent part of the blade body 3-1 towards the outside can pick up the lodged straws, the cutting edges 3-2 at the front side and the rear side of the blade body 3-1 can cut and crush the straws, the two blade bodies 3-1 are symmetrically arranged to realize double-edge cutting, the number of the cutting edges 3-2 can be increased in a limited space, and therefore the operation efficiency is improved. Each crushing cutter 3 is divided into two parts, when one blade body 3-1 is damaged and cannot be used, the blade body 3-1 is directly replaced, the whole crushing cutter 3 does not need to be replaced, and the cost can be saved.

As right the utility model discloses a further improvement, equipment is still including setting up cylinder 10 and the connecting plate 11 of being connected with cylinder 10 both ends that sets up in backup pad 1 rear and axis along left right direction, and the front end of connecting plate 11 is connected with the backup pad 1 that corresponds the side. As shown in fig. 1, 2 and 3, the crushed straw falls behind the guide plate 2 along the cover plate 4 during the advance of the support plate 1, and the crushed straw can be compacted during the rotation of the drum 10, so that the ground is more flat.

As right the utility model discloses a further improvement, the middle part of connecting plate 11 is articulated with backup pad 1 with the help of hinge 12, has seted up a set of regulation hole 13 in backup pad 1, and all regulation holes 13 are circular-arc range in hinge 12 periphery, has seted up via hole 14 at the front end of connecting plate 11, and via hole 14 department is provided with the check lock lever, and check lock lever and 13 threaded connection of regulation hole, connecting plate 11 forms detachable the connection with the help of check lock lever and backup pad 1. As shown in fig. 1 and 2, the front end of the connecting plate 11 is connected to the adjusting holes 13 with different heights by using the locking rod, so that the inclination angle of the connecting plate 11 can be changed, and the rolling effect of the roller 10 can be changed.

As right the utility model discloses a further improvement, equipment is still including connecting a set of supporting beam 15 between the backup pad 1 of both sides, and all supporting beam 15 are arranged along the fore-and-aft direction, and equipment is still including fixing the support frame 16 of the supporting beam 15 top in the place ahead and rotating the transmission shaft 17 that sets up on support frame 16, and the axis of transmission shaft 17 sets up along controlling the direction, and the one end of transmission shaft 17 is connected with arbor 2 with the help of belt 18 and is formed the belt transmission cooperation.

As shown in fig. 1, fig. 2 and fig. 3, the left and right two support plates 1 are connected together through a plurality of support beams 15 arranged along the front-back direction, the lower end of the support frame 16 is fixedly connected with the support beams 15, the upper end of the support frame is provided with a transmission shaft 17, the transmission shaft 17 and the same end of the cutter shaft 2 are both fixed with belt pulleys, a belt 18 is connected between the two belt pulleys, the rotating speed of the cutter shaft 2 can be changed by changing the diameter of the two belt pulleys, in operation, the transmission shaft 17 is driven to rotate by a power mechanism, the transmission shaft 17 drives the cutter shaft 2 to rotate through the belt 18, the structure is simple, and the use is convenient.

As right the utility model discloses a further improvement, equipment still including set up the tight pulley 19 that rises in belt 18 top, cover and establish the position fixing cover 20 that rises in tight pulley 19 top and set up in position fixing cover 20 top and with backup pad 1 fixed connection's positioning seat 21, the bottom and the belt 18 contact of tight pulley 19 that rise, the tight pulley 19 that rise forms normal running fit with the one end of position fixing cover 20, the other end and the backup pad 1 of position fixing cover 20 are articulated, add depression bar 22, depression bar 22 and positioning seat 21 threaded connection and depression bar 22's lower extreme and position fixing cover 20 contact.

As shown in fig. 1, the tension wheel 19 forms a running fit with the front end of the positioning cover 20, the rear end of the positioning cover 20 is hinged to the support plate 1, the positioning seat 21 is located above the positioning cover 20, the lower end of the pressure lever 22 penetrates through the positioning seat 21 to contact with the positioning cover 20, and the upper and lower positions of the front end of the positioning cover 20 can be changed by changing the length of the pressure lever 22 located below the positioning seat 21, so that the upper and lower positions of the tension wheel 19 are changed, the tightness of the belt 18 is adjusted, the belt 18 can be effectively prevented from slipping, the structure is simple, and the adjustment is convenient.

As a further improvement, the device further comprises a protective cover 23 arranged on the periphery of the belt 18, and the protective cover 23 is detachably connected with the supporting plate 1. As shown in fig. 1, the belt 18 is covered by the protective cover 23, so that a person may be prevented from being injured by accidentally touching the belt 18 during work, and the appearance is more neat and beautiful.

The utility model discloses when specifically using, be provided with at least three crushing knife tackle on arbor 2, all crushing knife tackle are along arbor 2's circumferencial direction align to grid, and all crushing knives 3 of same crushing knife tackle are arranged along arbor 2's length direction, and the crisscross setting of crushing sword 3 of two adjacent crushing knife tackle, interval between two adjacent stationary blades 5 is less than the maximum interval between two blade bodies 3-1 of crushing sword 3 in the same stationary blade group. As shown in figure 2, the power mechanism drives the cutter shaft 2 to rotate clockwise through the transmission shaft 17 and the belt 18, the cutter shaft 2 drives the crushing cutter 3 to rotate synchronously, the crushing cutter 3 can penetrate into soil to pick up and break the lodged straws and throw the lodged straws to the upper back part, the straws are contacted with the fixed cutter 5 on the inner side of the cover plate 4 for multiple times in the process of moving the straws backwards, the fixed cutter 5 can shear the straws once when being contacted with the straws every time, and the crushing effect can be improved through multiple times of shearing.

Claims

1. Still field equipment is smashed to straw, including backup pad (1), set up arbor (2) between both sides backup pad (1) and crushing sword (3) of setting on arbor (2), the axis of arbor (2) sets up its characterized in that along left right direction: the equipment further comprises a cover plate (4) arranged above the cutter shaft (2) and at least two fixed blade sets arranged on the inner side of the cover plate (4), the front end and the rear end of the cover plate (4) are bent downwards and extend, all the fixed blade sets are arranged in the front-rear direction, all the fixed blades (5) of the same fixed blade set are arranged in the left-right direction, and the left end and the right end of the cover plate (4) are respectively connected with the supporting plates (1) at the corresponding ends.

2. The straw chopping and returning apparatus as claimed in claim 1, wherein: the equipment further comprises a positioning plate (6), all the fixed blades (5) of the same fixed blade group are connected with the same positioning plate (6), and the positioning plate (6) is detachably connected with the cover plate (4) and the cover plate (4) is detachably connected with the supporting plate (1).

3. The straw chopping and returning apparatus as claimed in claim 2, wherein: be fixed with dovetail (7) on apron (4) inner wall, set up the dovetail that runs through its length direction in locating plate (6) towards one side of apron (4), dovetail on locating plate (6) is pegged graft with dovetail (7) on apron (4), has all seted up the screw at the both ends of dovetail (7), and screw department threaded connection has gag lever post (8), and locating plate (6) press from both sides tightly between gag lever post (8) at both ends.

4. The straw chopping and returning apparatus as claimed in claim 1, wherein: the crushing cutter (3) comprises two blade bodies (3-1) which are arranged in bilateral symmetry, the fixed ends of the blade bodies (3-1) are detachably connected with a cutter holder (9) fixed on the cutter shaft (2), the free end of each blade body (3-1) is bent and extended in the direction away from the other blade body (3-1), and the front side and the rear side of each blade body (3-1) are respectively provided with a cutting edge (3-2).

5. The straw chopping and returning apparatus as claimed in claim 1, wherein: the equipment further comprises a roller (10) which is arranged behind the supporting plate (1) and the axis of which is arranged along the left-right direction, and connecting plates (11) which are connected with two ends of the roller (10), wherein the front ends of the connecting plates (11) are connected with the supporting plate (1) on the corresponding side.

6. The straw chopping and returning apparatus as claimed in claim 5, wherein: the middle part of connecting plate (11) is articulated with backup pad (1) with the help of hinge (12), has seted up a set of regulation hole (13) on backup pad (1), and all regulation holes (13) are circular-arc range in hinge (12) periphery, has seted up via hole (14) at the front end of connecting plate (11), and via hole (14) department is provided with the check lock lever, check lock lever and regulation hole (13) threaded connection, and connecting plate (11) form detachable the connection with backup pad (1) with the help of the check lock lever.

7. The straw chopping and returning apparatus as claimed in claim 1, wherein: the equipment is still including connecting a set of supporting beam (15) between backup pad (1) of both sides, and all supporting beam (15) are arranged along the fore-and-aft direction, and equipment is still including fixing support frame (16) in the supporting beam (15) top in the place ahead and rotating transmission shaft (17) of setting on support frame (16), and the axis of transmission shaft (17) sets up along controlling the direction, and the one end of transmission shaft (17) is connected with arbor (2) with the help of belt (18) and is formed the belt transmission cooperation.

8. The straw chopping and returning apparatus as claimed in claim 7, wherein: the device further comprises a tension wheel (19) arranged above the belt (18), a positioning cover (20) covering the tension wheel (19) and a positioning seat (21) arranged above the positioning cover (20) and fixedly connected with the supporting plate (1), the bottom of the tension wheel (19) is in contact with the belt (18), the tension wheel (19) is in running fit with one end of the positioning cover (20), the other end of the positioning cover (20) is hinged to the supporting plate (1), a pressing rod (22) is additionally arranged, the pressing rod (22) is in threaded connection with the positioning seat (21), and the lower end of the pressing rod (22) is in contact with the positioning cover (20).

9. The straw chopping and returning apparatus as claimed in claim 7, wherein: the equipment also comprises a protective cover (23) arranged on the periphery of the belt (18), and the protective cover (23) is detachably connected with the supporting plate (1).