CN115726412A

CN115726412A - Lifting mechanism for bulldozer shovel blade

Info

Publication number: CN115726412A
Application number: CN202211560050.6A
Authority: CN
Inventors: 周汝宝; 屠积; 米志勇; 戚定元
Original assignee: Gaoyou Xunda Heavy Engineering Machinery Co ltd
Current assignee: Gaoyou Xunda Heavy Engineering Machinery Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-03

Abstract

The invention relates to a bulldozer scraper knife lifting mechanism which comprises a bulldozer body and a fixed plate, wherein two sliding plates are slidably connected inside the fixed plate, the left sides of the sliding plates are fixedly connected with the scraper knife body, a lifting assembly is arranged on the bulldozer body, an adjusting assembly is arranged on the fixed plate, and the adjusting assembly comprises two air cylinders fixedly connected to the right side of the fixed plate. This bull-dozer spiller hoist mechanism, through setting up adjusting part, can conveniently accomplish fast and change the spiller body, the dismouting process is simple and convenient, time saving and labor saving, be convenient for maintain, and then maintenance efficiency has been improved, can adjust the width of spiller body according to actual conditions simultaneously, and then promote work efficiency and practiced thrift the time of construction, drive the hammer through the montant in addition and rotate, make to strike the hammering and beat the spiller body and can beat the material that remains on the wall down, the person's of facilitating the use, the practicality of device is improved.

Description

Lifting mechanism for bulldozer shovel blade

Technical Field

The invention relates to the technical field of engineering machinery, in particular to a lifting mechanism of a bulldozer scraper knife.

Background

The bulldozer is an engineering machine product mainly used for earth and stone excavation, shoveling and backfilling, and comprises a wheeled bulldozer and a crawler-type bulldozer, wherein the crawler-type bulldozer is widely applied to earth and stone engineering such as building, road building, mining, water conservancy, agriculture, forestry and national defense construction due to good passing performance of the crawler-type bulldozer, when the bulldozer works, a main working device is a dozer blade, and generally, a shovel blade is cut into the soil under the working condition that the main machine drives the shovel blade to move upwards through a lifting mechanism by virtue of advancing power of a host machine, so that the cutting and pushing operation of the soil is completed.

For example, chinese patent CN108252345A proposes a bulldozer for road construction, which has the advantages of simple bulldozer structure and high working efficiency, but the bulldozer is inconvenient to rapidly disassemble the blade assembly of the bulldozer, and when the blade assembly is damaged, the bulldozer is difficult to disassemble and assemble, inconvenient to maintain, and further reduces maintenance efficiency, and further reduces using effect, so as to propose a bulldozer blade lifting mechanism to solve the above-mentioned problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a bulldozer scraper knife lifting mechanism which has the advantages of convenience in maintenance and the like, and solves the problems that a bulldozer is inconvenient to rapidly disassemble a scraper knife assembly of the bulldozer, and when the scraper knife assembly is damaged, the scraper knife assembly is difficult to disassemble and assemble and is inconvenient to maintain, so that the maintenance efficiency is reduced, and the using effect is reduced.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a bulldozer scraper knife lifting mechanism comprises a bulldozer body and a fixed plate, wherein two sliding plates are slidably connected inside the fixed plate, the left sides of the sliding plates are fixedly connected with a scraper knife body, a lifting assembly is arranged on the bulldozer body, and an adjusting assembly is arranged on the fixed plate;

the adjustable component comprises two cylinders, the right side of the fixed plate is fixedly connected with the two cylinders, the output shaft of the cylinders is fixedly connected with the fixed bin, the inside of the fixed bin is rotatably connected with a threaded rod, the outer side of the threaded rod is in threaded connection with a movable plate, the left side of the movable plate is fixedly connected with a clamping block, the outer side of the threaded rod is fixedly connected with a worm gear, one side of the fixed bin, far away from the cylinders, is rotatably connected with a worm, a clamping groove is formed in the right side of the scraper knife body, the right side of the fixed plate is fixedly connected with an installation bin, the bottom of the installation bin is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a first rotating rod, the outer side of the first rotating rod is fixedly connected with half conical teeth, the inside of the installation bin is rotatably connected with a second rotating rod, the outer side of the second rotating rod is fixedly connected with driven conical teeth, the outer side of the second rotating rod is fixedly connected with two vertical rods, and the vertical rods are close to one side of the fixed plate.

Further, the right side fixedly connected with quantity that the lifting unit includes the fixed plate is two lower ear seats, the front and the back of native machine body all articulate there is the bracing piece, the right side fixedly connected with quantity of fixed plate is two last ear seats, the top of bracing piece articulates there is the swing span, the front and the back of bull-dozer body all articulate there is actuating cylinder.

Furthermore, one end of the swing frame is hinged with the upper ear seat, and one end of the supporting rod is hinged with the lower ear seat.

Furthermore, one end of the driving oil cylinder is hinged with the right side of the fixed plate, and a sliding through groove in sliding connection with the sliding plate is formed in the fixed plate.

Furthermore, the size looks adaptation of draw-in groove and fixture block, the inside of fly leaf is seted up with threaded rod threaded connection's screw thread through-hole.

Further, the spout has all been seted up to the interior roof and the interior diapire in fixed storehouse, the top of fly leaf and the equal fixedly connected with in bottom and spout sliding connection's of bottom slider.

Furthermore, one end of the worm penetrates through the fixed bin and is rotationally connected with the inner wall of one side, close to the cylinder, of the fixed bin, and the worm is meshed with the worm wheel.

Furthermore, one end of the clamping block penetrates through and extends to the outer side of the fixed bin, and one end of the first rotating rod penetrates through and extends to the inner part of the installation bin.

Further, the both ends of second dwang are connected with the front inner wall and the back inner wall rotation of installation storehouse respectively, half awl tooth and driven awl tooth intermeshing, the movable hole with montant width looks adaptation is all seted up to the top and the bottom in installation storehouse.

(III) advantageous effects

Compared with the prior art, the invention provides a bulldozer scraper knife lifting mechanism which has the following beneficial effects:

1. this bull-dozer spiller hoist mechanism, through setting up adjusting part, can conveniently accomplish fast and change the spiller body, the dismouting process is simple and convenient, time saving and labor saving, be convenient for maintain, and then maintenance efficiency has been improved, can adjust the width of spiller body according to actual conditions simultaneously, and then promote work efficiency and practiced thrift the time of construction, drive the hammer through the montant in addition and rotate, make to strike the hammering and beat the spiller body and can beat the material that remains on the wall down, the person's of facilitating the use, the practicality of device is improved.

2. This bull-dozer spiller hoist mechanism through setting up lifting unit, installs driving cylinder at the front end of bull-dozer body, makes driving cylinder's effort more reasonable, improves holistic stability, increases the practicality of device.

Drawings

FIG. 1 is a schematic view of a bulldozer blade lifting mechanism according to the present invention;

FIG. 2 is an enlarged view of the structure at the point A in the bulldozer blade lifter diagram 1 according to the present invention;

FIG. 3 is a schematic view of the right side portion of the mounting plate structure of a bulldozer blade lifting mechanism according to the present invention.

In the figure: the automatic scraper comprises a bulldozer body 1, a fixed plate 2, a sliding plate 3, a scraper blade body 4, a lower lug seat 5, a supporting rod 6, an upper lug seat 7, a driving oil cylinder 8, an air cylinder 9, a fixed bin 10, a threaded rod 11, a movable plate 12, a clamping block 13, a worm wheel 14, a worm 15, a clamping groove 16, an installation bin 17, a motor 18, a first rotating rod 19, a half bevel gear 20, a second rotating rod 21, a driven bevel gear 22, a vertical rod 23, a knocking hammer 24 and a swinging frame 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, a lifting mechanism for a bulldozer blade comprises a bulldozer body 1 and a fixed plate 2, wherein two sliding plates 3 are slidably connected inside the fixed plate 2, the left side of each sliding plate 3 is fixedly connected with a blade body 4, a lifting assembly is arranged on the bulldozer body 1, and an adjusting assembly is arranged on the fixed plate 2.

Wherein, the adjusting component comprises two cylinders 9 fixedly connected to the right side of the fixed plate 2, the output shaft of the cylinder 9 is fixedly connected with a fixed bin 10, the inner part of the fixed bin 10 is rotatably connected with a threaded rod 11, the outer side of the threaded rod 11 is in threaded connection with a movable plate 12, the inner top wall and the inner bottom wall of the fixed bin 10 are both provided with a sliding chute, the top and the bottom of the movable plate 12 are both fixedly connected with a sliding block in sliding connection with the sliding chute, the left side of the movable plate 12 is fixedly connected with a clamping block 13, the outer side of the threaded rod 11 is fixedly connected with a worm wheel 14, one side of the fixed bin 10 far away from the cylinder 9 is rotatably connected with a worm 15, one end of the worm 15 penetrates through the fixed bin 10 and is rotatably connected with the inner wall of the fixed bin 10 close to the cylinder 9, the worm 15 is mutually meshed with the worm wheel 14, the right side of the scraper knife body 4 is provided with a clamping groove 16, the clamping block 16 is matched with the size of the clamping block 13, the inner part of the movable plate 12 is provided with a threaded through hole in threaded connection with the threaded rod 11, an installation bin 17 is fixedly connected to the right side of the fixed plate 2, a motor 18 is fixedly installed at the bottom of the installation bin 17, a first rotating rod 19 is fixedly connected to an output shaft of the motor 18, one end of a fixture block 13 penetrates through and extends to the outer side of the fixed bin 10, one end of the first rotating rod 19 penetrates through and extends to the inside of the installation bin 17, half bevel gears 20 are fixedly connected to the outer side of the first rotating rod 19, a second rotating rod 21 is rotatably connected to the inside of the installation bin 17, two driven bevel gears 22 are fixedly connected to the outer side of the second rotating rod 21, two vertical rods 23 are fixedly connected to the outer side of the second rotating rod 21, two ends of the second rotating rod 21 are rotatably connected with the front inner wall and the back inner wall of the installation bin 17 respectively, the half bevel gears 20 are meshed with the driven bevel gears 22, movable holes matched with the widths of the vertical rods 23 are formed in the top and the bottom of the installation bin 17, one side of the vertical rod 23 close to the fixed plate 2 is fixedly connected with a knocking hammer 24.

It should be noted that, through setting up the adjusting part, can conveniently accomplish fast and change spiller body 4, the dismouting process is simple and convenient, labour saving and time saving, be convenient for maintain, and then maintenance efficiency has been improved, can adjust the width of spiller body 4 according to actual conditions simultaneously, and then promote work efficiency and practiced thrift the time of construction, drive through montant 23 in addition and strike hammer 24 and rotate, make to strike hammer 24 and strike spiller body 4 and can knock off the material that remains on the wall, the person's of facilitating the use, the practicality of the device is improved.

In this embodiment, the right side fixedly connected with quantity that the lifting unit includes fixed plate 2 is two lower ear seats 5, the front and the back of native machine body 1 all articulate there is bracing piece 6, the right side fixedly connected with quantity of fixed plate 2 is two upper ear seats 7, the top of bracing piece 6 articulates there is the swing span 25, the one end and the upper ear seat 7 of swing span 25 are articulated, the one end and the lower ear seat 5 of bracing piece 6 are articulated, the front and the back of bull-dozer body 1 all articulate there is actuating cylinder 8, actuating cylinder 8's one end is articulated with fixed plate 2's right side, fixed plate 2's inside is seted up and is led to the groove with 3 sliding connection's of sliding plate slip.

It should be noted that, by providing the lifting assembly, the driving cylinder 8 is installed at the front end of the bulldozer body 1, so that the acting force of the driving cylinder 8 is more reasonable, the overall stability is improved, and the practicability of the device is improved.

The working principle of the embodiment is as follows:

this bull-dozer spiller hoist mechanism, bull-dozer body 1 is used for realizing operations such as earth and stone excavation and carry with shoveling through spiller body 4, promote spiller body 4 through drive cylinder 8, highly adjust spiller body 4, and then conveniently construct, through starting cylinder 9, the output shaft of cylinder 9 drives sliding plate 3 on the spiller body 4 and slides on fixed plate 2 through the slip logical groove, drive two spiller bodies 4 and move to one side of carrying on the back mutually, and then make things convenient for the actual conditions to adjust the whole width of spiller body 4, additionally, through rotating worm 15, make worm wheel 14 with worm 15 meshing drive threaded rod 11 rotatory, fly leaf 12 slides on the spout through the slider, drive fixture block 13 and break away from in the draw-in groove 16 on spiller body 4, cancel the restriction to spiller body 4, through sliding plate 3 from in the spiller body 4, and then be convenient for changing or maintaining dwang body 4, after the work is accomplished, through starting motor 18, the output shaft of motor 18 drives first dwang pole 19 to rotate, half-tooth 20 meshes with two driven awl teeth 22 respectively, thereby drive the second and hit the contact of the pole body on the second, thereby make things convenient for the second spiller body 23 the use of the contact of the rotating hammer on the contact of the shovel blade 21, the rotating hammer body, the use of the rotating hammer 23.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bull-dozer spiller hoist mechanism, includes bull-dozer body (1) and fixed plate (2), its characterized in that: the bulldozer is characterized in that two sliding plates (3) are slidably connected inside the fixed plate (2), a scraper knife body (4) is fixedly connected to the left side of each sliding plate (3), a lifting assembly is arranged on the bulldozer body (1), and an adjusting assembly is arranged on the fixed plate (2);

the utility model discloses a scraper knife, including cylinder (9) that the right side fixedly connected with quantity of adjusting part includes fixed plate (2) is two, output shaft fixedly connected with fixed bin (10) of cylinder (9), the internal rotation of fixed bin (10) is connected with threaded rod (11), the outside threaded connection of threaded rod (11) has fly leaf (12), the left side fixedly connected with fixture block (13) of fly leaf (12), outside fixedly connected with worm wheel (14) of threaded rod (11), one side that cylinder (9) were kept away from in fixed bin (10) is rotated and is connected with worm (15), draw-in groove (16) have been seted up on the right side of scraper knife body (4), right side fixedly connected with installation storehouse (17) of fixed plate (2), the bottom fixed mounting in installation storehouse (17) has motor (18), the first dwang tooth (20) of output shaft fixedly connected with of motor (18), the half dwang tooth (20) of outside fixedly connected with of first dwang (19), the internal rotation of installation storehouse (17) is connected with second dwang (21), the outside fixedly connected with quantity of second dwang (21) is two driven awl teeth (22), the driven montant (21) quantity of second dwang (23) is close to strike hammer (23) one side of fixed plate (2).

2. A dozer blade lifting mechanism as claimed in claim 1 wherein: the lifting assembly comprises lower lug seats (5) with two right fixedly connected with quantities of fixed plates (2), supporting rods (6) are hinged to the front and the back of the bulldozer body (1), upper lug seats (7) with two right fixedly connected with quantities of the fixed plates (2) are hinged to the top of the supporting rods (6), swing frames (25) are hinged to the front and the back of the bulldozer body (1), and driving oil cylinders (8) are hinged to the front and the back of the bulldozer body (1).

3. A bulldozer blade lifting mechanism as set forth in claim 2, wherein: one end of the swing frame (25) is hinged with the upper ear seat (7), and one end of the supporting rod (6) is hinged with the lower ear seat (5).

4. A bulldozer blade lifting mechanism as set forth in claim 2, wherein: one end of the driving oil cylinder (8) is hinged with the right side of the fixed plate (2), and a sliding through groove in sliding connection with the sliding plate (3) is formed in the fixed plate (2).

5. A dozer blade lifting mechanism as claimed in claim 1 wherein: the clamping groove (16) is matched with the clamping block (13) in size, and a threaded through hole in threaded connection with the threaded rod (11) is formed in the movable plate (12).

6. A dozer blade lifting mechanism as claimed in claim 1 wherein: the inner top wall and the inner bottom wall of the fixed bin (10) are both provided with sliding grooves, and the top and the bottom of the movable plate (12) are both fixedly connected with sliding blocks which are in sliding connection with the sliding grooves.

7. A bulldozer blade lifting mechanism according to claim 1, characterised in that: one end of the worm (15) penetrates through the fixed bin (10) and is rotatably connected with the inner wall of one side, close to the air cylinder (9), of the fixed bin (10), and the worm (15) is meshed with the worm wheel (14).

8. A bulldozer blade lifting mechanism according to claim 1, characterised in that: one end of the fixture block (13) penetrates through and extends to the outer side of the fixing bin (10), and one end of the first rotating rod (19) penetrates through and extends to the inside of the mounting bin (17).

9. A dozer blade lifting mechanism as claimed in claim 1 wherein: the both ends of second dwang (21) are connected with the front inner wall and the back inner wall rotation of installation storehouse (17) respectively, half awl tooth (20) and driven awl tooth (22) intermeshing, the movable orifices with montant (23) width looks adaptation are all seted up to the top and the bottom of installation storehouse (17).