CN213233584U - Grader blade adjusting mechanism - Google Patents

Abstract

A cutting blade adjusting mechanism of a land leveler relates to the field of land levelers and comprises a supporting arm, an adjusting frame, a cutting blade assembly and a driving oil cylinder, wherein the supporting arm is arranged on a traction frame; the adjusting frame can be rotatably arranged at one end of the supporting arm far away from the traction frame; the scraper knife assembly is arranged on one side of the adjusting frame close to the head of the land leveler; one end of the driving oil cylinder is hinged with the supporting arm, and the other end of the driving oil cylinder is hinged with the adjusting frame. Can use the axis of rotation to rotate as the axle through the flexible drive alignment jig of drive hydro-cylinder to drive spiller subassembly synchronous motion, thereby make the spiller subassembly use the axis of rotation to rotate as the axis of rotation, realize the adjustment of spiller subassembly inclination.

Description

Grader blade adjusting mechanism

Technical Field

The utility model relates to a leveler field particularly, relates to a leveler spiller guiding mechanism.

Background

At present, the scraper knife of current leveler is mostly fixed mounting, can not adjust the inclination of scraper knife for ground, leads to the application scope of leveler to be limited.

In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leveler spiller guiding mechanism, it can adjust the angle of spiller fast to can guarantee the stability of whole spiller subassembly in the adjustment process.

The embodiment of the utility model is realized like this:

a grader blade adjusting mechanism comprises a supporting arm, an adjusting frame, a blade assembly and a driving oil cylinder, wherein the supporting arm is arranged on a traction frame; the adjusting frame can be rotatably arranged at one end of the supporting arm far away from the traction frame; the scraper knife assembly is arranged on one side of the adjusting frame close to the head of the land leveler; one end of the driving oil cylinder is hinged with the supporting arm, and the other end of the driving oil cylinder is hinged with the adjusting frame;

can extend through the driving oil cylinder, drive the adjusting bracket to rotate by taking the rotating axis thereof as a shaft so as to enable the scraper knife component to move.

Furthermore, one side of the supporting arm close to the adjusting frame is provided with a limiting rod, the adjusting frame is provided with a strip-shaped hole matched with the limiting rod, the strip-shaped hole is arc-shaped, and the arc center of the corresponding arc is located on the rotating axis of the adjusting frame.

The scraper knife assembly comprises a main scraper knife, an oil cylinder mounting seat, an extension oil cylinder and a slide rail, the slide rail is arranged on the main scraper knife and arranged along the length direction of the main scraper knife, one side of the adjusting frame, which is close to the main scraper knife, is provided with a slide groove in sliding fit with the slide rail, the extension oil cylinder is arranged on the adjusting frame, the oil cylinder mounting seat is detachably arranged on the main scraper knife, and the oil cylinder mounting seat is provided with a fixing mechanism for fixing the output end of the extension oil cylinder; can extend through the extension hydro-cylinder and drive main spiller along its axis direction motion.

Further, fixed establishment includes actuating arm, connecting piece and chucking spare, the actuating arm is rotatable locates the hydro-cylinder fixing base, the hydro-cylinder fixing base seted up with extend hydro-cylinder output complex mounting groove, the output that extends the hydro-cylinder is equipped with the installation piece that matches with the mounting groove, the moving channel who communicates with the mounting groove is seted up to hydro-cylinder fixing base lateral wall, chucking spare is rotatable to be located moving channel, connecting piece one end is articulated with the chucking spare, the other end is articulated with the actuating arm.

Furthermore, the driving arm comprises a supporting section and a driving section which are connected with each other, the supporting section is rotatably connected with the side wall of the oil cylinder fixing seat, and the rotating axis of the supporting section is vertical to the central axis of the extending oil cylinder; one side that the support section is close to the hydro-cylinder fixing base is equipped with the extension section, and the connecting piece is kept away from the rotatable extension section of locating of the one end of chucking spare.

Furthermore, the clamping piece comprises a hinge section and a clamping section which are connected with each other, one end of the hinge section is rotatably arranged in the movable channel, the other end of the hinge section is rotatably connected with one end of the connecting piece, which is far away from the driving arm, the clamping section is arranged at one end of the hinge section, which is far away from the movable channel, and an included angle between the clamping section and the hinge section is an acute angle;

when the driving arm rotates to be parallel to the extending oil cylinder, the central axis of the connecting piece is parallel to the central axis of the driving arm, at the moment, the central axis of the clamping section is perpendicular to the central axis of the extending oil cylinder, and the clamping section is tightly attached to the mounting block.

Further, chucking spare is the spring leaf, and chucking spare includes first connecting portion, second connecting portion and third connecting portion, and the second connecting portion are the U type, and second connecting portion both sides are located to first connecting portion and third connecting portion symmetry, and first connecting portion are with articulated section rotatable coupling, and third connecting portion are with extension section rotatable coupling.

Furthermore, the two connecting pieces are symmetrically arranged at two sides of the driving arm.

Furthermore, the fixing mechanism also comprises a limiting piece which is arranged on one side of the oil cylinder fixing seat close to the driving arm; when the driving arm rotates to be parallel to the extending oil cylinder, the limiting piece abuts against the driving arm tightly.

Furthermore, two sets of fixing mechanisms are symmetrically arranged on two sides of the oil cylinder fixing seat.

The embodiment of the utility model provides a beneficial effect is:

the embodiment of the utility model provides a leveler spiller guiding mechanism can use the axis of rotation to rotate as the axle through the flexible alignment jig that drives of drive cylinder to drive spiller subassembly synchronous motion, thereby make the spiller subassembly use the axis of rotation to rotate as the axis of rotation, realize spiller subassembly inclination's adjustment.

Through the extension that above-mentioned can pass through actuating cylinder drives the spiller subassembly and realizes quick adjustment to make the spiller subassembly more nimble, and adapt to different operational environment, improve application scope.

Generally, the embodiment of the utility model provides a grader blade guiding mechanism, it can adjust the angle of spiller fast to can guarantee the stability of whole spiller subassembly in the adjustment process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a support arm according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an adjusting bracket according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a blade assembly according to an embodiment of the present invention;

fig. 5 is a side view of a blade assembly provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fixing mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a driving arm according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a retainer according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a connecting member according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an oil cylinder mounting seat provided in an embodiment of the present invention.

Icon: the device comprises a support arm 1, a traction frame 2, an adjusting frame 3, a driving oil cylinder 4, a rotating shaft 5, a limiting rod 6, a strip-shaped hole 7, a scraper knife assembly 8, a main scraper knife 81, an oil cylinder mounting seat 82, an extension oil cylinder 83, a sliding rail 84, a driving arm 9, a supporting section 91, a driving section 92, an extension section 93, a connecting piece 10, a first connecting part 101, a second connecting part 102, a third connecting part 103, a clamping piece 11, a hinge section 111, a clamping section 112, a movable channel 12, a limiting piece 13, a pin hole 14, a mounting groove 15, a mounting block 16 and a sliding groove 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

Examples

Referring to fig. 1-10, the present embodiment provides a blade adjusting mechanism for a grader, including a support arm 1, a traction frame 2, an adjusting frame 3, a driving cylinder 4, a rotating shaft 5, a limiting rod 6, a strip-shaped hole 7, a blade assembly 8, a driving arm 9, a connecting member 10, a clamping member 11, a movable channel 12, a limiting member 13, a pin hole 14, a mounting groove 15, a mounting block 16, and a sliding groove 17.

The supporting arm 1 is arranged on the traction frame 2; the adjusting frame 3 can be rotatably arranged at one end of the supporting arm 1 far away from the traction frame 2; the scraper knife component 8 is arranged on one side of the adjusting frame 3 close to the head of the land leveller; one end of the driving oil cylinder 4 is hinged with the supporting arm 1, and the other end is hinged with the adjusting frame 3; can be extended by the driving oil cylinder 4 to drive the adjusting frame 3 to rotate by taking the rotating shaft 5 line as an axis so as to enable the scraper knife component 8 to move.

It should be noted that the end of the support arm 1 away from the traction frame 2 is provided with a rotation shaft 5, the central axis of the rotation shaft 5 is perpendicular to the support axis of the support arm 1, and the adjusting frame 3 is rotatably arranged on the rotation shaft 5.

It should be noted that the output end of the driving cylinder 4 is hinged to the side of the adjusting frame 3 away from the rotating shaft 5.

Can use axis of rotation 5 to rotate as the axle through flexible drive alignment jig 3 of actuating cylinder 4 to drive 8 synchronous motion of spiller subassembly, thereby make spiller subassembly 8 use axis of rotation 5 to rotate as axis of rotation 5 lines, realize 8 inclination's of spiller subassembly adjustment.

Can drive spiller subassembly 8 through the extension of actuating cylinder 4 through the aforesaid and realize quick adjustment to make spiller subassembly 8 more nimble, and adapt to different operational environment, improve application scope.

Generally, the embodiment of the utility model provides a grader blade guiding mechanism, it can adjust the angle of spiller fast to can guarantee whole spiller subassembly 8's stability at the adjustment in-process.

In the embodiment, two support arms 1 are symmetrically arranged on two sides of the traction frame 2, and rotating shafts 5 are arranged at one ends of the two support arms 1 far away from the traction frame 2; the two adjusting frames 3 are also arranged, and the two adjusting frames 3 are respectively arranged on the two rotating shafts 5; the two driving oil cylinders 4 are also provided, the fixed ends of the two driving oil cylinders 4 are respectively hinged with the two supporting arms 1, and the output ends of the two driving oil cylinders 4 are respectively hinged with the two adjusting frames 3. This kind of design can guarantee stronger stability.

Further, one side that support arm 1 is close to alignment jig 3 is equipped with gag lever post 6, and alignment jig 3 has been seted up with 6 complex bar holes 7 of gag lever post, and bar hole 7 is the arc, and the arc center of its circular arc that corresponds is located alignment jig 3's 5 lines of axis of rotation (the arc center that both bar hole 7 correspond the circular arc is located the axis of rotation 5).

Through this kind of design, can inject the motion range of alignment jig 3, avoid adjusting to press from both sides rotation range too big, and lead to actuating cylinder 4 when next during operation, when driving alignment jig 3 and rotate, alignment jig 3 antiport.

Further, the blade assembly 8 includes a main blade 81, an oil cylinder mounting seat 82, an extending oil cylinder 83 and a slide rail 84, the slide rail 84 is disposed on the main blade 81 and is arranged along the length direction of the main blade 81, a slide groove 17 in sliding fit with the slide rail 84 is disposed on one side of the adjusting bracket 3 close to the main blade 81, the extending oil cylinder 83 is disposed on the adjusting bracket 3, the oil cylinder mounting seat 82 is detachably disposed on the main blade 81, and the oil cylinder mounting seat 82 is provided with a fixing mechanism for fixing an output end of the extending oil cylinder 83; the main blade 81 can be extended by the extension cylinder 83 to move in the axial direction thereof.

It should be noted that the extending cylinder 83 is disposed between the two adjusting frames 3, and the output end of the extending cylinder 83 is movably connected to the cylinder mounting seat 82 after penetrating through one of the adjusting frames 3, and the central axis of the extending cylinder 83 is parallel to the central axis of the main blade 81.

In this embodiment, there are two slide rails 84 symmetrically disposed on the back of the main scraper 81; and two sliding chutes 17 are respectively arranged between the two adjusting frames 3 and are respectively matched with the two sliding rails 84. This design enables the main blade 81 to be more stable during movement.

Through the design, the main scraper knife 81 can be driven to move along the direction of the central axis of the extension oil cylinder 83 in the process of extending the extension oil cylinder 83, so that the scraper knife is more flexible in position.

Further, please show fig. 6, the fixing mechanism includes a driving arm 9, a connecting member 10 and a clamping member 11, the driving arm 9 is rotatably disposed on the cylinder fixing base, the cylinder fixing base is provided with a mounting groove 15 matching with the output end of the extending cylinder 83, the output end of the extending cylinder 83 is provided with a mounting block 16 matching with the mounting groove 15, the side wall of the cylinder fixing base is provided with a movable passage 12 communicating with the mounting groove 15, the clamping member 11 is rotatably disposed on the movable passage 12, one end of the connecting member 10 is hinged to the clamping member 11, and the other end is hinged to the driving arm 9.

Can hold wherein through mounting groove 15 the installation piece 16 that extends hydro-cylinder 83 output end portion set up, and through rotation actuating arm 9, drive connecting piece 10 simultaneous movement, thereby make chucking spare 11 use its axis of rotation 5 line to rotate at activity passageway 12 as the axle, and when actuating arm 9 with extend hydro-cylinder 83 parallel, the central axis of connecting piece 10 is parallel with the central axis that extends hydro-cylinder 83, at this moment, make chucking spare 11 support tight installation piece 16, thereby make installation piece 16 stable installation in mounting groove 15, thereby make and extend hydro-cylinder 83, output and hydro-cylinder fixing base stable connection.

Further, the driving arm 9 comprises a supporting section 91 and a driving section 92 which are connected with each other, the supporting section 91 is rotatably connected with the side wall of the cylinder fixing seat, and the rotating shaft 5 line of the supporting section 91 is perpendicular to the central axis of the extending cylinder 83; one side of the supporting section 91 close to the oil cylinder fixing seat is provided with an extending section 93, and one end of the connecting piece 10 far away from the clamping piece 118 is rotatably arranged on the extending section 93.

The clamping piece 11 comprises a hinge section 111 and a clamping section 112 which are connected with each other, one end of the hinge section 111 is rotatably arranged on the movable channel 12, the other end of the hinge section 111 is rotatably connected with one end of the connecting piece 10 far away from the driving arm 9, the clamping section 112 is arranged on one end of the hinge section 111 far away from the movable channel 12, and an included angle formed between the clamping section 112 and the hinge section 111 is an acute angle;

when the driving arm 9 rotates to be parallel to the extending oil cylinder 83, the central axis of the connecting piece 10 is parallel to the central axis of the driving arm 9, at this time, the central axis of the clamping section 112 is perpendicular to the central axis of the extending oil cylinder 83, and the clamping section 112 is tightly attached to the mounting block 16.

In this embodiment, the angle between the clamping segment 112 and the hinge segment 111 is 60 °.

Through the design, when the driving arm 9 rotates to be parallel to the central axis of the stretching oil cylinder 83, the clamping section 112 of the clamping piece 11 can be ensured to be in close contact with the mounting block 16, so that the mounting block 16 is more stably mounted in the mounting groove 15.

Further, chucking spare 11 is the spring leaf, and chucking spare 11 includes first connecting portion 101, second connecting portion 102 and third connecting portion 103, and second connecting portion 102 is the U type, and second connecting portion 102 both sides are located to first connecting portion 101 and third connecting portion 103 symmetry, and first connecting portion 101 and articulated section 111 rotatable coupling, third connecting portion 103 and extension section 93 rotatable coupling.

Specifically, the two connecting members 10 are symmetrically disposed at both sides of the driving arm 9.

Through this kind of design, can utilize the elasticity of spring leaf, when the actuating arm 9 rotates to and extends hydro-cylinder 83 parallel, the central axis of connecting piece 10 is parallel with the central axis that extends hydro-cylinder 83 this moment, under this kind of state, the existing certain elasticity of second connecting portion 102 of connecting piece 10 makes first connecting portion 101 and third connecting portion 103 keep away from each other, thereby make first connecting portion 101 and chucking spare 11 articulated be in the state that the second connecting portion 102 and the articulated department of actuating arm 9 kept away from each other in the atress all the time, thereby make actuating arm 9 keep in the state that extends hydro-cylinder 83 parallel, thereby make chucking state under more stable, chucking spare 11 is difficult for droing.

Furthermore, the fixing mechanism further comprises a limiting piece 13, and the limiting piece 13 is arranged on one side, close to the driving arm 9, of the oil cylinder fixing seat; when the driving arm 9 rotates to be parallel to the extending cylinder 83, the limiting member 13 abuts against the driving arm 9. The drive arm 9 can be further restrained.

Furthermore, two sets of fixing mechanisms are symmetrically arranged on two sides of the oil cylinder fixing seat. Through two sets of fixed establishment, can carry out more comprehensive fixed to installation piece 16 to the mutual symmetry in fixed position can make fixed effect reach the best.

Through the above design, can be through the rotation of actuating arm 9, realize installing piece 16 stable installation in mounting groove 15, whole in-process easy and simple to handle, can realize installing fast moreover, thereby installation effectiveness has been improved, and when chucking spare 11 supported tightly installation piece 16, the central axis of actuating arm 9 and connecting piece 10 was parallel with the central axis of extending hydro-cylinder 83, thereby made whole device be in the auto-lock state, further guaranteed the reliability between extending hydro-cylinder 83 and the hydro-cylinder mount pad 82.

In this embodiment, the oil cylinder fixing seat is provided with a pin hole 14, and the mounting block 16 is provided with a fixing hole matched with the pin hole 14. With this configuration, the stability of the mounting block 16 can be further improved, and after mounting, a pin can be mounted in the pin hole 14 and can be fixed by the pin.

In this embodiment, the detachable connection mode between the oil cylinder fixing seat and the scraper knife can adopt a bolt connection mode, and a plurality of groups of threaded holes are arranged along the length direction of the scraper knife, so that the position of the oil cylinder fixing seat can be adjusted at will, and the extension range of the single side of the scraper knife can be conveniently adjusted.

In this embodiment, the length of the mounting block 16 is adapted to the depth of the mounting groove 15, so as to ensure the stability of the mounting block 16.

The operating principle of a grader blade adjustment mechanism is as follows: firstly, two driving oil cylinders 4 are controlled to synchronously extend, and at the moment, two adjusting frames 3 are driven to synchronously rotate by taking a rotating shaft 5 as a shaft, so that a scraper knife assembly 8 is driven to synchronously move, and the inclination angle of the scraper knife assembly 8 is adjusted.

When the unilateral extension of the main blade 81 needs to be adjusted: the extension cylinder 83 is controlled to extend to drive the main scraper 81 to move along the central axis direction of the extension cylinder 83, so that one-side extension is realized.

When the stretching oil cylinder 83 and the oil cylinder mounting seat 82 need to be fixed: firstly, the position of the oil cylinder mounting seat 82 is adjusted according to requirements, then the extension oil cylinder 83 is controlled to extend, the mounting block 16 enters the mounting groove 15, then the driving arm 9 is manually rotated, the driving arm 9 rotates towards one side where the extension oil cylinder 83 is located until the driving arm 9 is parallel to the extension oil cylinder 83, at the moment, the central axis of the connecting piece 10 is parallel to the central axis of the extension oil cylinder 83, the clamping piece 11 abuts against the mounting block 16 at the moment, and then the pin is inserted into the pin hole 14.

To sum up, the utility model discloses it can be fast to the angle of spiller adjust to can guarantee whole spiller subassembly 8's stability at the adjustment in-process.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A grader blade adjusting mechanism is characterized by comprising

The supporting arm is arranged on the traction frame;

the adjusting frame is rotatably arranged at one end of the supporting arm far away from the traction frame;

the scraper knife assembly is arranged on one side of the adjusting frame close to the head of the land leveller; and

one end of the driving oil cylinder is hinged to the supporting arm, and the other end of the driving oil cylinder is hinged to the adjusting frame;

can pass through the actuating cylinder extends, drive the alignment jig uses its axis of rotation as the axle rotation, so that the scraper knife subassembly motion.

2. The grader blade adjustment mechanism of claim 1, wherein a limit rod is disposed on one side of the support arm close to the adjustment bracket, the adjustment bracket is provided with a strip-shaped hole matched with the limit rod, the strip-shaped hole is arc-shaped, and the arc center of the corresponding arc is located on the rotation axis of the adjustment bracket.

3. The grader blade adjustment mechanism according to claim 1, wherein the blade assembly includes a main blade, a cylinder mount, an extension cylinder, and a slide rail, the slide rail is disposed on the main blade and is disposed along a length direction of the main blade, a slide groove slidably engaged with the slide rail is disposed on a side of the adjusting bracket close to the main blade, the extension cylinder is disposed on the adjusting bracket, the cylinder mount is detachably disposed on the main blade, and the cylinder mount is provided with a fixing mechanism for fixing an output end of the extension cylinder; the main scraper knife can be driven to move along the axis direction by the extension of the extension oil cylinder.

4. The cutting blade adjustment mechanism of a grader as in claim 3 wherein the securing mechanism includes an actuating arm, a connecting member and a clamping member, the actuating arm is rotatably disposed on the cylinder holder, the cylinder holder defines a mounting slot for engaging with the output end of the extension cylinder, the output end of the extension cylinder defines a mounting block for engaging with the mounting slot, the side wall of the cylinder holder defines a moving channel communicating with the mounting slot, the clamping member is rotatably disposed in the moving channel, one end of the connecting member is hinged to the clamping member, and the other end of the connecting member is hinged to the actuating arm.

5. The grader blade adjustment mechanism of claim 4 wherein the drive arm includes a support section and a drive section connected to each other, the support section being rotatably connected to the sidewall of the cylinder mount and the axis of rotation of the support section being perpendicular to the central axis of the extension cylinder; the support section is close to one side of hydro-cylinder fixing base is equipped with the extension section, the connecting piece is kept away from the rotatable locating of one end of chucking spare the extension section.

6. The grader blade adjustment mechanism as in claim 5 wherein the clamping member comprises an articulating section and a clamping section connected to each other, the articulating section having one end rotatably disposed in the movable channel and the other end rotatably connected to the end of the connecting member away from the drive arm, the clamping section being disposed at the end of the articulating section away from the movable channel and having an acute angle with the articulating section;

when the driving arm rotates to be parallel to the extending oil cylinder, the central axis of the connecting piece is parallel to the central axis of the driving arm, at the moment, the central axis of the clamping section is perpendicular to the central axis of the extending oil cylinder, and the clamping section is tightly attached to the mounting block.

7. The grader blade adjustment mechanism of claim 6 wherein the retainer is a spring plate and the retainer includes a first connecting portion, a second connecting portion and a third connecting portion, the second connecting portion is U-shaped, the first connecting portion and the third connecting portion are symmetrically disposed on two sides of the second connecting portion, the first connecting portion is rotatably connected to the hinge section, and the third connecting portion is rotatably connected to the extension section.

8. The grader blade adjustment mechanism of claim 7 wherein the two links are symmetrically disposed on opposite sides of the drive arm.

9. The grader blade adjustment mechanism of claim 4, wherein the securing mechanism further comprises a stop member disposed on a side of the cylinder mount adjacent to the drive arm; when the driving arm rotates to be parallel to the extending oil cylinder, the limiting piece abuts against the driving arm.

10. The grader blade adjustment mechanism of any of claims 4-9 wherein two sets of securing mechanisms are symmetrically disposed on either side of the cylinder mount.

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