CN217546649U

CN217546649U - Wear-resisting two sword formula powder ridge sword and powder ridge machine

Info

Publication number: CN217546649U
Application number: CN202221629654.7U
Authority: CN
Inventors: 韦本辉; 张宪; 韦元波; 宁秀呈; 王�锋
Original assignee: Guangxi Fanlong Technology Development Co ltd
Current assignee: Guangxi Fanlong Technology Development Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-10-11
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a wear-resistant two-knife type ridge smashing knife and a ridge smashing machine, wherein the ridge smashing knife comprises an inverted U-shaped knife body plate, and the top of the inverted U-shaped knife body plate is provided with a connecting hole which is fixedly connected with a ridge smashing gear box through a bolt; the soil cutting sides of the cutter bodies on two sides of the inverted U-shaped cutter body plate are provided with cutting edges, the outer sides of the cutter bodies on two sides are provided with more than one transverse cutter, the transverse cutters are perpendicular to the cutter body surfaces of the cutter bodies on two sides of the inverted U-shaped cutter body plate, the soil non-cutting sides of the transverse cutters are provided with fixing screw holes, the transverse cutters are sleeved with cutter anti-abrasion shells, and the cutter anti-abrasion shells are fixedly connected with the fixing screw holes through fixing bolts; the lower ends of the soil-uncut sides of the cutters on the two sides of the inverted U-shaped cutter plate are provided with mounting screw holes, the lower ends of the cutters on the two sides are sleeved with anti-abrasion shells, and the anti-abrasion shells are fixedly connected with the mounting screw holes through mounting bolts. The ridge smashing cutter has the advantages of strong rotary cutting and ridge smashing capability, quick soil discharging, high farming efficiency and durability.

Description

Wear-resisting two sword formula powder ridge sword and powder ridge machine

Technical Field

The utility model relates to a technical field of agricultural arable land machinery specifically is a wear-resisting two sword formula powder ridge sword and this powder ridge sword installation becomes powder ridge machine.

Background

The traditional agricultural planting and farming is labor-consuming and hard, and along with the development of scientific technology, in order to reduce labor intensity and improve production efficiency, workers invent various agricultural production tools. At present, most agricultural production tools can only realize shallow ploughing, but due to excessively frequent ploughing in the long years and heterosis utilization of hybrid fine breeds, the fertilizer and water requirements are large, the land quality is gradually degraded, the soil is hardened seriously, the permeability is reduced, the water and fertilizer conservation and energy storage capacity is reduced, and the requirements of shallow ploughing or no-tillage crops on high quality and high yield cannot be met. Since the appearance of tractors and matched agricultural implements, deep ploughing is easy to realize.

Especially in recent years, the ridge smashing technology has great effect in popularization and application in various countries, and people pay attention to the combination of deep ploughing, shallow ploughing and no ploughing so as to meet the requirements of various plant growth. The application of the ridge smashing technology is less than that of a ridge smashing tillage tool, and practical application research shows that the working efficiency of the ridge smashing tillage tool is in direct relation with ridge smashing cutters, the ridge smashing cutters with different structures have different characteristics, the inventor designs and modifies the ridge smashing cutters all the time in recent years to achieve the purpose of efficient tillage, but the existing ridge smashing cutters are generally easy to wear and inconvenient to maintain and the like; therefore, the rotary-cut ridge smashing and soil crushing cutter is strong in soil crushing capacity, fast in soil discharging, high in farming efficiency, durable in ridge smashing cutter and convenient and fast to maintain.

Disclosure of Invention

The utility model aims at providing a wear-resisting two sword formula powder ridge sword and powder ridge machine, this powder ridge sword and powder ridge machine structure set up ingeniously, and the rotary-cut is smashed the ridge hack can the reinforce, and the soil discharging is fast, and farming is efficient, powder ridge sword durable.

In order to realize the purpose of the utility model, the technical scheme who takes is:

a wear-resistant two-knife type ridge smashing knife comprises an inverted U-shaped knife body plate, wherein the top of the inverted U-shaped knife body plate is provided with a connecting hole which is used for being fixedly connected with a smashing ridge connecting driving shaft at the bottom of a smashing ridge gear box through a bolt; the soil cutting sides of the cutter bodies on the two sides of the inverted U-shaped cutter body plate are provided with cutting edges; more than one transverse cutter is arranged on the outer sides of the cutter bodies on the two sides of the inverted U-shaped cutter body plate, the transverse cutters are perpendicular to the cutter body surfaces of the cutter bodies on the two sides of the inverted U-shaped cutter body plate, a fixing screw hole is formed in the non-soil cutting side of each transverse cutter, a cutter anti-abrasion shell is sleeved on each transverse cutter, and the cutter anti-abrasion shell is fixedly connected with the fixing screw hole through a fixing bolt; the lower ends of the soil-uncut sides of the cutters on the two sides of the inverted U-shaped cutter plate are provided with mounting screw holes, and the lower ends of the cutters on the two sides of the inverted U-shaped cutter plate are sleeved with anti-abrasion shells which are fixedly connected with the mounting screw holes through mounting bolts. The cutter abrasion-proof shell and the abrasion-proof shell can be integrally cast and formed by adopting an abrasion-resistant alloy material.

Further preferred is: the transverse cutter and the horizontal plane form an angle of 15-30 degrees and incline downwards, the side of the transverse cutter which is firstly cut into the soil is low, and the inclined arrangement has better effect than the horizontal arrangement of the transverse cutter.

Further preferred is: the soil cutting side of the transverse cutter is provided with a cutting edge, and due to the arrangement of the cutting edge, soil can be cut better when the abrasion-proof shell of the cutter is removed.

Further preferably: the cutter bodies on the two sides of the reverse U-shaped cutter body plate are in a shape of big top and small bottom, and preferably gradually reduce towards the middle.

Further preferred is: the cutter abrasionproof decreases the shell include and match and can the suit cutter abrasionproof that the cover is on horizontal cutter with horizontal cutter appearance decreases the casing, be provided with on the cutter abrasionproof decreases the casing with fixed screw hole site matching, be used for wearing to establish fixing bolt's mounting hole, the cutter abrasionproof decreases the side of cutting the soil of casing and is provided with the cutting edge, the setting of cutting edge can more smooth cutting earth.

Further preferred is: the abrasionproof decreases the shell include with be the lower extreme of the U-shaped cutter body board match and can suit the abrasionproof of cutter body lower extreme and decrease the casing, be provided with on the abrasionproof decreases the casing with installation screw hole site match, be used for wearing to establish the bolt mounting hole of installation screw, the abrasionproof decreases the casing and cuts the native side and be provided with the cutting edge unanimous with blade angle, the cutting edge set up the cutting earth that can be more smooth. The bottom of the anti-abrasion shell is provided with a closed angle, so that the ridge smashing knife can conveniently cut into the soil.

The wear-resistant two-blade type ridge smashing knife is arranged on a ridge smashing connecting driving shaft at the bottom of a ridge smashing gear box and combined to form a ridge smashing machine, the ridge smashing knives arranged at the bottom of the ridge smashing gear box are arranged in pairs, one or more groups of ridge smashing connecting driving shafts are arranged at the bottom of the ridge smashing gear box, each group of ridge smashing connecting driving shaft consists of two ridge smashing connecting driving shafts, each ridge smashing knife is divided into a left ridge smashing knife and a right ridge smashing knife which are correspondingly arranged on the ridge smashing connecting driving shafts, the rotating directions of the left ridge smashing knife and the right ridge smashing knife are opposite, and the left ridge smashing knife and the right ridge smashing knife rotationally cut soil forwards and inwards from two sides of the bottom of the ridge smashing gear box respectively; the ridge smashing machine is driven by a tractor in a traction manner and comprises a ridge smashing gear box and a rack, wherein the ridge smashing gear box is arranged on the rack, and the front end of the ridge smashing gear box is provided with a power input shaft which can be connected with a rear output shaft of the tractor through a coupler; the two sides of the machine frame at the front lower part of the powder ridge gear box are respectively provided with a side cantilever seat which can be hinged with a side cantilever of a tractor, and the machine frame at the front upper part of the powder ridge gear box is provided with a middle cantilever seat which is hinged with a middle cantilever of the tractor.

Further preferred is: the side cantilever bases and the middle cantilever base are hinged in holes, nylon rubber sleeves used for connecting shock absorption are arranged in the hinged holes, and the nylon rubber sleeves can reduce the vibration sense of the whole machine in driving and farming.

Further preferred is: the frame at the rear portion of powder ridge gear box articulated have a coulter mounting bracket, a coulter is installed through the coulter mount pad respectively in the rear end both sides of coulter mounting bracket, articulated between the frame on coulter mounting bracket and powder ridge gear box rear upper portion have the pneumatic cylinder of control coulter mounting bracket luffing motion. The projecting shaft and the coulter support of pneumatic cylinder are articulated, and the jar seat and the support of pneumatic cylinder are articulated, and after powder ridge sword powder ridge loosens the soil, rethread pneumatic cylinder control is gone into earth with the coulter plough, and the combined action of coulter and powder ridge sword can be better with the powder ridge sword surely in earth, reach the effect that further reduces the vibration.

Further preferred is: the coulter is L-shaped, and the lower end of the coulter is bent towards the inner side of the coulter mounting frame during mounting.

This wear-resisting two sword formula powder ridge sword and powder ridge machine's advantage does: the cutter body of the adopted ridge smashing cutter is an inverted U-shaped cutter body plate, a connecting hole is formed in the top of the inverted U-shaped cutter body plate, the ridge smashing cutter is convenient to install, transverse cutters are arranged on the outer sides of the cutter bodies on the two sides of the inverted U-shaped cutter body plate respectively, soil smashing capability of rotary cutting is strong, soil discharging is fast, stones are not prone to being clamped between the cutter bodies on the two sides of the inverted U-shaped cutter body plate, and the ridge smashing cutter can be well suitable for cultivating land blocks with more small stones; the ridge smashing cutter and the ridge smashing machine are ingenious in structure arrangement, strong in rotary cutting and ridge smashing capacity, fast in soil discharging and high in farming efficiency; the lower extreme of the both sides cutter body at horizontal cutter and the cutter body board that is the shape of falling U installs the abrasionproof shell through the bolt respectively, can subtract horizontal cutter and be the work wearing and tearing of the U-shaped cutter body board lower extreme, generally only maintains the change to the abrasionproof shell of cutter and cutter body lower extreme, and powder ridge sword theme is durable in use.

Drawings

FIG. 1 is a schematic structural view of the wear-resistant two-blade ridge smashing machine;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic view of the mounting relationship between the ridge smashing knife and the ridge smashing gear box;

FIG. 4 is a schematic structural view of a ridge smashing knife;

FIG. 5 is a schematic left side view of FIG. 4;

FIG. 6 is a schematic top view of FIG. 4;

FIG. 7 is a schematic structural view of the ridge crushing cutter without the wear-resistant shell;

FIG. 8 is a schematic left side view of FIG. 7;

FIG. 9 is a schematic view of the construction of the cutter wear shell;

FIG. 10 is a schematic view of the wear shell construction;

the names corresponding to the sequence numbers in the figure are:

1. side cantilever seat, 2, a coupler, 3, a power input shaft, 4, a middle cantilever seat, 5, a nylon gum cover, 6, a frame, 7, a powder ridge gear box, 8, a hydraulic cylinder, 9, a colter mounting frame, 10, a colter mounting seat, 11, a colter, 12, a powder ridge cutter, 13, a powder ridge connecting driving shaft, 14, a left powder ridge cutter, 15, a right powder ridge cutter, 16, a transverse cutter, 17, a cutting edge, 18, an inverted U-shaped cutter body plate, 19, a connecting hole, 20, a fixing screw hole, 21, a mounting screw hole, 22, a cutter anti-abrasion shell, 23, an anti-abrasion shell, 24, a fixing bolt, 25, a mounting bolt, 26, a cutter anti-abrasion shell, 27, a mounting hole, 28, an anti-abrasion shell, 29, a bolt mounting hole, 30 and a sharp corner.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings and examples.

Example 1

A wear-resistant two-knife type ridge smashing knife comprises an inverted U-shaped knife body plate 18, wherein a connecting hole 19 used for being fixedly connected with a ridge smashing connecting driving shaft 13 at the bottom of a ridge smashing gear box 7 through a bolt is formed in the top of the inverted U-shaped knife body plate 18; the soil cutting sides of the cutter bodies on the two sides of the cutter body plate 18 in the shape of an inverted U are provided with cutting edges 17; the outer sides of the cutter bodies on the two sides of the inverted U-shaped cutter body plate 18 are provided with more than one transverse cutter 16, the transverse cutters 16 are perpendicular to the cutter body surfaces of the cutter bodies on the two sides of the inverted U-shaped cutter body plate 18, the side, not cutting soil, of each transverse cutter 16 is provided with a fixing screw hole 20, each transverse cutter 16 is sleeved with a cutter anti-abrasion shell 22, and each cutter anti-abrasion shell 22 is fixedly connected with the corresponding fixing screw hole 20 through a fixing bolt 24; the lower ends of the soil-uncut sides of the cutter bodies on the two sides of the inverted U-shaped cutter body plate 18 are provided with mounting screw holes 21, the lower ends of the cutter bodies on the two sides of the inverted U-shaped cutter body plate 18 are sleeved with anti-abrasion shells 23, and the anti-abrasion shells 23 are fixedly connected with the mounting screw holes 21 through mounting bolts 25.

The transverse cutter 16 and the horizontal plane form an angle of 15-30 degrees and incline downwards, the side of the cutting soil is low, and the inclined arrangement effect is better than that of the transverse cutter in the horizontal arrangement.

The soil cutting side of the transverse cutter 16 is provided with a cutting edge.

The blades on both sides of the inverted U-shaped blade plate 18 are large in top and small in bottom, and preferably gradually decrease toward the middle.

Cutter abrasionproof decreases shell 22 include and match and can the suit cutter abrasionproof on horizontal cutter 16 decreases casing 26 with 16 appearances of horizontal cutter, be provided with on the cutter abrasionproof decreases casing 26 with 20 hole sites of fixed screw match, be used for wearing to establish mounting hole 27 of fixing bolt 24, the side of cutting soil of cutter abrasionproof decreases casing 26 is provided with the cutting edge, the setting of cutting edge can be more smooth cutting earth.

The anti-abrasion shell 23 comprises an anti-abrasion shell 28 which is matched with the lower end of the inverted U-shaped cutter body plate 18 and can be sleeved with the lower end of the cutter body, a bolt mounting hole 29 which is matched with a mounting screw hole 21 and used for penetrating the mounting screw hole 21 is formed in the anti-abrasion shell 28, a cutting edge with the same angle as that of the cutting edge 17 is arranged on the soil cutting side of the anti-abrasion shell 28, and the cutting edge can cut soil smoothly; the bottom of the wear casing 28 is provided with a sharp corner 30.

Example 2

A wear-resistant double-cutter type ridge smashing machine is driven by a tractor in a traction mode and comprises a ridge smashing gear box 7 and a rack 6, wherein the ridge smashing gear box 7 is installed on the rack 6, and the front end of the ridge smashing gear box 7 is provided with a power input shaft 3 which can be connected with a rear output shaft of the tractor through a coupler 2; the two sides of the frame 6 at the front lower part of the powder ridge gear box 7 are respectively provided with a side cantilever seat 1 which can be hinged with a side cantilever of a tractor, and the frame 6 at the front upper part of the powder ridge gear box 7 is provided with a middle cantilever seat 4 which is hinged with a middle cantilever of the tractor.

The hinged holes of the side cantilever bases 1 and the middle cantilever base 4 are internally provided with nylon rubber sleeves 5 for connecting shock absorption, and the nylon rubber sleeves 5 can reduce the vibration sense of the whole machine in driving and farming.

Frame 6 at the rear portion of powder ridge gear box 7 articulated have coulter mounting bracket 9, a coulter 11 is installed through coulter mount pad 10 respectively to the rear end both sides of coulter mounting bracket 9, articulated between frame 6 on upper portion behind coulter mounting bracket 9 and the powder ridge gear box 7 have control coulter mounting bracket 9 luffing motion's pneumatic cylinder 8. The extension shaft of the hydraulic cylinder is hinged to the coulter support, the cylinder seat of the hydraulic cylinder is hinged to the support, after the ridge smashing knife 12 crushes the ridge and loosens the soil, the coulter is ploughed into the soil under the control of the hydraulic cylinder, and under the combined action of the coulter 11 and the ridge smashing knife 12, the ridge smashing knife can be better fixed in the soil, so that the vibration is further reduced.

The coulter 11 is L-shaped, and the lower end of the coulter 11 is bent towards the inner side of the coulter mounting frame 9 during mounting.

The bottom of the ridge smashing gear box 13 is provided with one or more groups of ridge smashing connecting driving shafts, each group of ridge smashing connecting driving shafts consists of two ridge smashing connecting driving shafts, the bottoms of the ridge smashing connecting driving shafts 13 are provided with a ridge smashing knife 12, the ridge smashing knives 12 are arranged at the bottom of the ridge smashing gear box 7 in pairs, the ridge smashing knives 12 are divided into a left ridge smashing knife 14 and a right ridge smashing knife 15 which are correspondingly arranged on the ridge smashing connecting driving shafts, the rotating directions of the left ridge smashing knife 14 and the right ridge smashing knife 15 are opposite, and the left ridge smashing knife 14 and the right ridge smashing knife 15 are respectively used for rotationally cutting soil forwards and inwards from two sides of the bottom of the ridge smashing gear box 7; the left ridge smashing knife 14 and the right ridge smashing knife 15 both comprise an inverted U-shaped knife body plate 18, a connecting hole 19 for being fixedly connected with a smashing ridge connecting driving shaft 13 at the bottom of a smashing ridge gear box 7 through a bolt is formed in the top of the inverted U-shaped knife body plate 18, the connecting hole in the inverted U-shaped knife body plate is aligned with a flange face hole of the smashing ridge connecting driving shaft at the bottom of the smashing ridge gear box during installation, and the smashing ridge knives can be installed at the bottom of the smashing ridge gear box through fixed connection of the bolt; the soil cutting sides of the cutter bodies on the two sides of the cutter body plate 18 in the shape of an inverted U are provided with cutting edges 17; more than one transverse cutter 16 is arranged on the outer sides of the cutter bodies on the two sides of the inverted U-shaped cutter body plate 18, the transverse cutters 16 are perpendicular to the cutter body surfaces of the cutter bodies on the two sides of the inverted U-shaped cutter body plate 18, a fixing screw hole 20 is formed in the non-soil cutting side of each transverse cutter 16, a cutter anti-abrasion shell 22 is sleeved on each transverse cutter 16, and each cutter anti-abrasion shell 22 is fixedly connected with the fixing screw hole 20 through a fixing bolt 24; the lower ends of the soil-uncut sides of the cutter bodies on the two sides of the inverted U-shaped cutter body plate 18 are provided with mounting screw holes 21, the lower ends of the cutter bodies on the two sides of the inverted U-shaped cutter body plate 18 are sleeved with anti-abrasion shells 23, and the anti-abrasion shells 23 are fixedly connected with the mounting screw holes 21 through mounting bolts 25.

The cutter anti-abrasion shell 22 comprises a cutter anti-abrasion shell 26 which is matched with the shape of the transverse cutter 16 and can be sleeved on the transverse cutter 16, and the cutter anti-abrasion shell 22 is inserted and sleeved on the transverse cutter 16 and then fixed through a fixing bolt 24; the cutter abrasionproof decreases and is provided with on the casing 26 and matches with 20 hole sites of fixed screw, is used for wearing to establish fixing bolt 24's mounting hole 27, and the side of cutting the soil of cutter abrasionproof decreases casing 26 is provided with the cutting edge, and the setting of cutting edge can more smooth cutting earth.

Abrasionproof decrease shell 23 include and match and can suit the abrasionproof of cutter body lower extreme casing 28 with the lower extreme that is the U-shaped cutter body board 18, abrasionproof decrease shell 23 wears to overlap in the bottom that is the U-shaped cutter body board 18, then it is fixed through construction bolt 25, be provided with on the abrasionproof decrease casing 28 and match with 21 hole sites of installation screw, a bolt mounting hole 29 for wearing to establish construction bolt 25, abrasionproof decrease casing 28 surely soil side be provided with the cutting edge 17 cutting edge of angle unanimity, the setting of cutting edge can more smooth cutting earth.

The working principle of the wear-resistant vertical two-knife type ridge smashing machine is as follows: when the tractor works, the middle cantilever seat 4 of the rack 6 is hinged with the middle cantilever of the tractor, the side cantilever seat 1 of the rack 6 is hinged with the side cantilever of the tractor, and a nylon rubber sleeve 5 is sleeved on a hinged pin shaft; the power input shaft 3 of the powder ridge gear box 7 is connected with the power output shaft at the rear part of the tractor through a coupling 2; connecting the hydraulic cylinder 8 with a hydraulic cylinder control system; the power of the tractor is transmitted into the powder ridge gear box 7 through the power input shaft 3, and then is connected with the driving shaft 13 through the powder ridge to drive the powder ridge cutter 12 to rotate; the powder ridge machine is controlled by a tractor to be lowered, the left powder ridge cutter 12 rotates to work and cut into soil, after the soil reaches a proper depth, the hydraulic cylinder 8 is controlled by the hydraulic cylinder control system to work, the coulter frame 9 is lowered to drive the coulter 11 to cut into the soil, the powder ridge cultivation is completed by the cooperation of the powder ridge cutter 12 and the coulter 11 through traction driving of the tractor, and when the powder ridge machine is not cultivated, the powder ridge machine needs to be lifted through a middle cantilever and a side cantilever of the tractor; because the cutter anti-abrasion shell 22 and the anti-abrasion shell 23 are fixedly arranged at the lower ends of the transverse cutter 16 and the inverted U-shaped cutter body plate 18 through bolts respectively, the cutter anti-abrasion shell 22 and the anti-abrasion shell 23 only can be abraded in the farming process, the lower ends of the transverse cutter 16 and the inverted U-shaped cutter body plate 18 cannot be abraded, and when the cutter anti-abrasion shell 22 and the anti-abrasion shell 23 are abraded to a certain degree, the corresponding bolts are disassembled, so that the cutter anti-abrasion shell 22 and the anti-abrasion shell 23 can be disassembled and replaced; when the cutter anti-abrasion shell 22 and the anti-abrasion shell 23 are damaged in the farming process, after the cutter anti-abrasion shell 22 and the anti-abrasion shell 23 are removed, the farming can be carried out without installing the cutter anti-abrasion shell 22 and the anti-abrasion shell 23, and the long-time interruption of farming can not be caused.

The above description is not intended to limit the present application, and the present application is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions or substitutions within the spirit and scope of the present application.

Claims

1. A wear-resistant two-knife type ridge smashing knife comprises an inverted U-shaped knife body plate (18), wherein a connecting hole (19) which is fixedly connected with a ridge smashing connecting driving shaft (13) at the bottom of a ridge smashing gear box (7) through a bolt is formed in the top of the inverted U-shaped knife body plate (18); the soil cutting sides of the cutter bodies on the two sides of the cutter body plate (18) in the shape of an inverted U are provided with cutting edges (17); the method is characterized in that: more than one transverse cutter (16) is arranged on the outer side of each cutter body on two sides of the inverted U-shaped cutter body plate (18), the transverse cutters (16) are perpendicular to the cutter body surfaces of the cutter bodies on two sides of the inverted U-shaped cutter body plate (18), a fixing screw hole (20) is formed in the non-soil-cutting side of each transverse cutter (16), a cutter anti-abrasion shell (22) is sleeved on each transverse cutter (16), and the cutter anti-abrasion shell (22) is fixedly connected with the fixing screw hole (20) through a fixing bolt (24); the lower ends of the soil-uncut sides of the cutter bodies on the two sides of the inverted U-shaped cutter body plate (18) are provided with mounting screw holes (21), the lower ends of the cutter bodies on the two sides of the inverted U-shaped cutter body plate (18) are sleeved with anti-abrasion shells (23), and the anti-abrasion shells (23) are fixedly connected with the mounting screw holes (21) through mounting bolts (25).

2. The wear-resistant two-blade type ridge smashing knife according to claim 1, wherein: the transverse cutter (16) and the horizontal plane form an angle of 15-30 degrees and are inclined downwards, and the side which is cut into the soil firstly is low.

3. The wear-resistant two-blade type ridge smashing knife according to claim 1 or 2, characterized in that: the soil cutting side of the transverse cutter (16) is provided with a cutting edge.

4. The wear-resistant two-blade type ridge smashing knife according to claim 1, wherein: the cutter bodies on two sides of the cutter body plate (18) in the shape of the inverted U are big at the top and small at the bottom.

5. The wear-resistant two-blade type ridge smashing knife according to claim 1 or 2, characterized in that: the cutter abrasionproof decreases shell (22) including with horizontal cutter (16) appearance match and can the suit cutter abrasionproof on horizontal cutter (16) decreases casing (26), be provided with on cutter abrasionproof decreases casing (26) with fixed screw (20) hole site match, be used for wearing to establish mounting hole (27) of fixing bolt (24), the side of cutting soil of cutter abrasionproof decreases casing (26) is provided with the cutting edge.

6. The wear-resistant two-blade type ridge smashing knife of claim 1, wherein: abrasionproof decrease shell (23) including with be the lower extreme matching of the U-shaped cutter body board (18) and can suit abrasionproof of cutter body lower extreme decrease casing (28), be provided with on abrasionproof decrease casing (28) with installation screw (21) hole site match, be used for wearing to establish bolt mounting hole (29) of installation screw (21), abrasionproof decrease casing (28) surely soil side be provided with blade (17) the unanimous cutting edge of angle.

7. The wear-resistant two-blade type ridge smashing knife of claim 6, wherein: the bottom end of the anti-abrasion shell (28) is provided with a sharp corner (30).

8. The utility model provides a wear-resisting two sword formula powder ridge machine which characterized in that: the wear-resistant two-blade type ridge smashing cutter is installed on a smashing ridge connecting driving shaft (13) at the bottom of a smashing ridge gear box (7) and combined to form a smashing ridge machine, the smashing ridge cutters (12) installed at the bottom of the smashing ridge gear box (7) are arranged in pairs, the smashing ridge cutters (12) are divided into a left smashing ridge cutter (14) and a right smashing ridge cutter (15), the rotating directions of the left smashing ridge cutter (14) and the right smashing ridge cutter (15) are opposite, and the left smashing ridge cutter (14) and the right smashing ridge cutter (15) respectively rotationally cut soil forwards and inwards from two sides of the bottom of the smashing ridge gear box (7); the ridge smashing machine is driven by a tractor in a traction manner and comprises a ridge smashing gear box (7) and a rack (6), wherein the ridge smashing gear box (7) is installed on the rack (6), and the front end of the ridge smashing gear box (7) is provided with a power input shaft (3) which can be connected with a rear output shaft of the tractor through a coupler (2); two sides of a rack (6) at the front lower part of the powder ridge gear box (7) are respectively provided with a side cantilever seat (1) which can be hinged with a side cantilever of a tractor, and the rack (6) at the front upper part of the powder ridge gear box (7) is provided with a middle cantilever seat (4) which is hinged with a middle cantilever of the tractor.

9. The wear-resistant two-blade ridge smashing machine according to claim 8, is characterized in that: and nylon rubber sleeves (5) for connecting shock absorbers are arranged in the hinge holes of the side cantilever base (1) and the middle cantilever base (4).

10. The wear-resistant two-blade type ridge smashing machine according to claim 8 is characterized in that: a coulter mounting frame (9) is hinged to a rack (6) at the rear part of the powder ridge gear box (7), two sides of the rear end of the coulter mounting frame (9) are respectively provided with a coulter (11) through a coulter mounting seat (10), and a hydraulic cylinder (8) for controlling the coulter mounting frame (9) to swing up and down is hinged between the coulter mounting frame (9) and the rack (6) at the rear upper part of the powder ridge gear box (7); the coulter (11) is L-shaped, and the lower end of the coulter (11) is bent towards the inner side of the coulter mounting frame (9) during mounting.