CN218813943U

CN218813943U - Movable arm rocker mechanism of excavator

Info

Publication number: CN218813943U
Application number: CN202223398879.9U
Authority: CN
Inventors: 王兆玺
Original assignee: Linyi Yushun Machinery Co ltd
Current assignee: Linyi Yushun Machinery Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-07
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses an excavator swing arm rocker mechanism relates to the relevant field of excavator, for solving present being not convenient for lubricate the maintenance between coupling mechanism such as swing arm and rocking arm, easily make the long-time friction of coupling mechanism improve the maintenance cost, and to the not good problem of supplementary joint support effect between the mechanism of excavating. The surface of swing arm is provided with the connecting block, the bottom of connecting block is provided with the swing arm hydro-cylinder, the spread groove has been seted up to the surface of swing arm, the inner wall of swing arm rotates and is connected with the connecting rod, the rocking arm has been cup jointed to the surface of connecting rod, the wearing groove has been seted up to the inside of rocking arm, the inner wall of wearing groove is provided with the lubrication ring, the surface of rocking arm is provided with the oil filler point, the surface threaded connection of oil filler point has the oiling stopper, the one end of rocking arm is provided with the scraper bowl, the upper surface of scraper bowl is provided with the scraper bowl hydro-cylinder.

Description

Movable arm rocker mechanism of excavator

Technical Field

The utility model relates to an excavator relevant field specifically is an excavator swing arm rocker mechanism.

Background

The excavator is composed of a power device, a working device, a swing mechanism, a control mechanism, a transmission mechanism, a traveling mechanism and the like, and is mainly used for excavating materials such as soil, coal, silt and the like. The three most important parameters are operating weight, engine power and bucket capacity.

In the prior art, chinese patent publication No. CN203412013U discloses an excavator boom structure, which is characterized in that: stepped reinforcing plates are arranged on the movable arm front support, the joint of the movable arm front support and the movable arm front side plate, the joint of the movable arm front side plate and the movable arm middle side plate, and the joint of the movable arm rear side plate and the movable arm rear support. The utility model provides a movable arm and bucket rod structure of the excavator, which overcomes the defects of the prior art, fully utilizes the performance function of limited materials on the premise of meeting the functional requirements of the excavator, improves the stress condition, and greatly improves the strength, rigidity and stability of the movable arm and the bucket rod; the appearance is integrally coordinated, is in a streamline shape and is more attractive.

The movable arm and the bucket rod have the advantages that the strength, rigidity and stability of the movable arm and the bucket rod are greatly improved; the excavator has the advantages of inconvenient lubrication and maintenance between the connecting mechanisms such as the movable arm and the rocker arm when in use, easy friction of the connecting mechanisms for a long time, high maintenance cost and poor auxiliary connecting and supporting effects between the excavating mechanisms, so the excavator needs to improve the existing problems

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excavator swing arm rocker mechanism to the maintenance of lubricating between the coupling mechanism such as swing arm and rocking arm is not convenient for to the proposed among the solution above-mentioned background art, easily makes the long-time friction of coupling mechanism improve the maintenance cost, and to the not good problem of supplementary joint support effect between the excavation mechanism.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an excavator swing arm rocker mechanism, includes the swing arm, the surface of swing arm is provided with the connecting block, the bottom of connecting block is provided with the swing arm hydro-cylinder, the spread groove has been seted up to the surface of swing arm, the inner wall of swing arm rotates and is connected with the connecting rod, the surface of connecting rod has cup jointed the swing arm, the wearing groove has been seted up to the inside of swing arm, the inner wall of wearing the groove is provided with the lubrication ring, the surface of swing arm is provided with the oil filler point, the surface threaded connection of oil filler point has the oiling stopper, the one end of swing arm is provided with the scraper bowl, the upper surface of scraper bowl is provided with the scraper bowl hydro-cylinder, runs through the connecting rod to the inner wall of swing arm and extends to the inside wearing groove of swing arm when using, connects both, because long-time excavation operation can increase the friction between swing arm and the swing arm coupling mechanism and easily lead to the phenomenon that the swing arm extension reaction is slow to take place, consequently sets up the lubrication ring through the inside in wearing groove, staff accessible rotates the oiling stopper when needing, opens the oiling hole, and injects the inside of lubrication ring into the maintenance groove, thereby makes the lubrication liquid stick in connecting rod and the inner wall adhesion of wearing groove in connecting rod and the maintenance of swing arm and the better trouble of the lubricating assembly of digging, thereby can make the better trouble take place the better condition of the swing arm and carry out.

In a further embodiment, the number of the movable arm cylinders is two, a connecting plate is fixedly connected to one side surface of the rocker arm, a connecting sleeve is arranged on the outer surface of the connecting plate, the two movable arm cylinders are respectively located on two side surfaces of the movable arm, the movable arm can move and extend more stably, and the oil pipe and the bucket cylinder can be conveniently connected through the connecting arrangement of the connecting plate and the connecting sleeve.

In a further embodiment, the one end of adapter sleeve is provided with oil pipe, the collet has been cup jointed to oil pipe's surface, a side of collet is provided with the backplate, through fixing the backplate at the surface of rocking arm, makes the collet carry out the centre gripping to oil pipe's outside, and then can prevent that oil pipe from taking place to rock by a wide margin when the operation and causing the circumstances that scraper bowl hydro-cylinder power is not enough.

In a further embodiment, the one end of scraper bowl hydro-cylinder is provided with the spliced pole, the bottom fixedly connected with backup pad of spliced pole, the upper surface threaded connection of backup pad has the bolt, fixes the backup pad at the upper surface of scraper bowl through the bolt to can dismantle the spliced pole through rotating the bolt when needing, conveniently dismantle the maintenance to the scraper bowl.

In a further embodiment, the equal fixedly connected with lagging of both sides face of rocking arm, the lantern ring has all been cup jointed to the surface of lagging, is convenient for provide the fixed stay point for auxiliary connection subassembly through being connected of two lagging and the lantern ring.

In a further embodiment, one end of the lantern ring is fixedly connected with a spring column, one end of the spring column is provided with a fixed seat, the spring column is connected with the lantern ring when in use, one end of the spring column is fixed in the fixed seat, and when the bucket oil cylinder drives the bucket to operate, the spring column can increase the auxiliary connection relation between the spring column and the rocker arm, so that the spring column has an elastic stretching supporting effect on the bucket, and the connection between the spring column and the rocker arm is more stable.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the swing arm, the connecting block, the swing arm hydro-cylinder, the spread groove, the connecting rod, the rocking arm, wear the groove, the lubrication filler point, the oil filler point, the scraper bowl sets up with there being the cooperation between the scraper bowl hydro-cylinder, can make this device when using, run through the connecting rod to the inner wall of swing arm and extend to the inside of wearing the groove of rocking arm, connect both, because excavate the operation for a long time, can increase the friction between swing arm and the rocking arm coupling mechanism and easily lead to the phenomenon that the rocking arm extends the reaction and dullness to take place, consequently, set up the lubrication filler point through the inside at wearing the groove, staff's accessible rotates the oil filler point when needing, open the oil filler point, pass through the inside that the oil filler point pours into wearing the groove with lubricated liquid, make lubricated liquid along the inner wall adhesion in connecting rod and swing arm and rocking arm junction in wearing the groove, lubricate it, the surface that lubricated liquid adsorbs in the lubrication filler point can make its inner wall dwell time in wearing the groove longer, thereby make the lubrication effect of subassemblies such as connecting rod better, thereby can reduce the circumstances that the extension trouble take place between excavation operation and the swing arm.

2. The utility model discloses an in, through the collet, the backplate, the lagging, the lantern ring, the cooperation setting between spring post and the fixing base, can make this device when using, through fixing the surface at the rocking arm with the backplate, make the collet carry out the centre gripping to oil pipe's outside, and then can prevent that oil pipe from taking place to rock by a wide margin when the operation and causing the condition that scraper bowl hydro-cylinder power is not enough, be connected spring post and lantern ring when using, and be fixed in the inside of fixing base with its one end, when scraper bowl hydro-cylinder drive scraper bowl was worked, through the auxiliary connection relation between multiplicable and the rocking arm of spring post, from this alright make it have the tensile supporting role of elasticity to the scraper bowl, it is more stable to make to be connected between its and the rocking arm.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the through groove of the present invention;

FIG. 3 is an enlarged schematic view of the structure of the present invention at A in FIG. 1;

fig. 4 is a schematic structural view of the spring post of the present invention;

fig. 5 is an enlarged schematic structural view of the point B in fig. 4 according to the present invention.

In the figure: 1. a movable arm; 2. connecting blocks; 3. a boom cylinder; 4. connecting grooves; 5. a connecting rod; 6. a rocker arm; 7. penetrating a groove; 8. a lubricating ring; 9. an oil filler hole; 10. an oil filling plug; 11. a bucket; 12. a bucket cylinder; 13. a connecting plate; 14. connecting sleeves; 15. an oil pipe; 16. sleeving and clamping; 17. a back plate; 18. connecting columns; 19. a support plate; 20. a bolt; 21. sheathing the board; 22. a collar; 23. a spring post; 24. a fixed seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-5, the present invention provides an embodiment of a swing arm mechanism of an excavator, comprising: a rocker arm mechanism of a movable arm of an excavator comprises a movable arm 1, a connecting block 2 is arranged on the outer surface of the movable arm 1, a movable arm oil cylinder 3 is arranged at the bottom of the connecting block 2, a connecting groove 4 is formed in the outer surface of the movable arm 1, a connecting rod 5 is rotatably connected to the inner wall of the movable arm 1, a rocker arm 6 is sleeved on the outer surface of the connecting rod 5, a through groove 7 is formed in the inner part of the rocker arm 6, a lubricating ring 8 is arranged on the inner wall of the through groove 7, an oil filling hole 9 is formed in the outer surface of the rocker arm 6, an oil filling plug 10 is connected to the outer surface of the oil filling hole 9 in a threaded manner, a bucket 11 is arranged at one end of the rocker arm 6, a bucket oil cylinder 12 is arranged on the upper surface of the bucket 11, the connecting rod 5 penetrates through the inner wall of the movable arm 1 and extends into the through groove 7 in the rocker arm 6 to connect the movable arm 1 when the bucket and is used, and the excavator can carry out long-time excavation operation, the phenomenon that the expansion reaction of the rocker arm 6 is slow can be easily caused by increasing the friction between the connecting mechanism of the movable arm 1 and the rocker arm 6, therefore, a lubricating ring 8 is arranged in the through groove 7, when needed, a worker can rotate the oil filling plug 10 to open the oil filling hole 9, lubricating liquid is filled into the through groove 7 through the oil filling hole 9, the lubricating liquid is adhered to the connecting rod 5 and the connecting port of the movable arm 1 and the rocker arm 6 along the inner wall of the through groove 7 to lubricate the connecting rod, the lubricating liquid is adsorbed on the outer surface of the lubricating ring 8, so that the staying time of the lubricating liquid on the inner wall of the through groove 7 is longer, the lubricating maintenance effect of components such as the connecting rod 5 is better, and the condition that the expansion fault occurs between the rocker arm 6 and the movable arm 1 when the excavating operation can be reduced.

Further, the number of the boom cylinders 3 is two, one side surface of the rocker arm 6 is fixedly connected with a connecting plate 13, a connecting sleeve 14 is arranged on the outer surface of the connecting plate 13, the two boom cylinders 3 are respectively positioned on the two side surfaces of the boom 1, so that the movement and the extension of the boom 1 are more stable, and the oil pipe 15 is conveniently connected with the bucket cylinder 12 through the connecting arrangement of the connecting plate 13 and the connecting sleeve 14.

Further, an oil pipe 15 is arranged at one end of the connecting sleeve 14, a jacket clamp 16 is sleeved on the outer surface of the oil pipe 15, a back plate 17 is arranged on one side surface of the jacket clamp 16, the back plate 17 is fixed on the outer surface of the rocker arm 6, the jacket clamp 16 clamps the outer portion of the oil pipe 15, and therefore the situation that the oil pipe 15 is greatly shaken to cause insufficient power of the bucket oil cylinder 12 when the rocker arm 6 works can be prevented.

Further, one end of the bucket cylinder 12 is provided with a connecting column 18, the bottom of the connecting column 18 is fixedly connected with a supporting plate 19, the upper surface of the supporting plate 19 is in threaded connection with a bolt 20, the supporting plate 19 is fixed on the upper surface of the bucket 11 through the bolt 20, so that the connecting column 18 can be detached through rotating the bolt 20 when needed, and the bucket 11 is convenient to detach and overhaul.

Further, the equal fixedly connected with lagging 21 of both sides face of rocking arm 6, the lantern ring 22 has all been cup jointed to the surface of lagging 21, is convenient for provide the fixed stay point for auxiliary connection subassembly through being connected of two lagging 21 and lantern ring 22.

Furthermore, one end of the lantern ring 22 is fixedly connected with a spring column 23, one end of the spring column 23 is provided with a fixed seat 24, the spring column 23 is connected with the lantern ring 22 when in use, and one end of the spring column 23 is fixed inside the fixed seat 24, when the bucket cylinder 12 drives the bucket 11 to operate, the auxiliary connection relation between the spring column 23 and the rocker arm 6 can be increased, and therefore the spring column 23 can have an elastic stretching supporting effect on the bucket 11, and the connection between the spring column and the rocker arm 6 is more stable.

The working principle is as follows: through the matching arrangement of the movable arm 1, the connecting block 2, the movable arm oil cylinder 3, the connecting groove 4, the connecting rod 5, the rocker arm 6, the through groove 7, the lubricating ring 8, the oil filling hole 9, the oil filling plug 10, the bucket 11 and the bucket oil cylinder 12, when the device is used, the connecting rod 5 penetrates through the inner wall of the movable arm 1 and extends into the through groove 7 inside the rocker arm 6 to connect the movable arm 1 and the rocker arm 6, and due to long-time excavation operation, the friction between the movable arm 1 and the connecting mechanism of the rocker arm 6 can be increased to easily cause the phenomenon of slow extension reaction of the rocker arm 6, therefore, through arranging the lubricating ring 8 inside the through groove 7, when needed, a worker can open the oil filling hole 9 by rotating the oil filling plug 10, and inject lubricating liquid into the through the oil filling hole 9 into the through groove 7, so that the lubricating liquid adheres to the connecting rod 5 and the connecting port of the movable arm 1 and the rocker arm 6 along the inner wall of the through groove 7, the lubricating device is lubricated, lubricating liquid is adsorbed on the outer surface of a lubricating ring 8, so that the staying time of the lubricating liquid on the inner wall of a through groove 7 is longer, the lubricating and maintaining effects of components such as a connecting rod 5 are better, the situation of extension failure between a rocker arm 6 and a movable arm 1 during excavation operation can be reduced, the situation that the oil pipe 15 is greatly shaken during operation of the rocker arm 6 to cause insufficient power of a bucket cylinder 12 can be prevented by the matching arrangement of a sleeve clamp 16, a back plate 17, a sleeve plate 21, a sleeve ring 22, a spring column 23 and a fixed seat 24, the back plate 17 is fixed on the outer surface of the rocker arm 6, the sleeve clamp 16 clamps the outer part of the oil pipe 15, the spring column 23 is connected with the sleeve ring 22 during use, one end of the spring column is fixed inside the fixed seat 24, when the bucket cylinder 12 drives the bucket 11 to perform operation, the additional connection to the rocker arm 6 is increased by the spring post 23, which provides a resilient tensile support for the bucket 11 and a more stable connection to the rocker arm 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an excavator swing arm rocker mechanism, includes swing arm (1), its characterized in that: the surface of swing arm (1) is provided with connecting block (2), the bottom of connecting block (2) is provided with swing arm hydro-cylinder (3), spread groove (4) have been seted up to the surface of swing arm (1), the inner wall of swing arm (1) rotates and is connected with connecting rod (5), rocking arm (6) have been cup jointed to the surface of connecting rod (5), wear groove (7) have been seted up to the inside of rocking arm (6), the inner wall of wear groove (7) is provided with lubricating ring (8), the surface of rocking arm (6) is provided with oil filler point (9), the surface threaded connection of oil filler point (9) has oil filler plug (10), the one end of rocking arm (6) is provided with scraper bowl (11), the upper surface of scraper bowl (11) is provided with scraper bowl hydro-cylinder (12).

2. The excavator swing arm mechanism as claimed in claim 1, wherein: the number of movable arm hydro-cylinders (3) has two, a side fixedly connected with connecting plate (13) of rocking arm (6), the surface of connecting plate (13) is provided with adapter sleeve (14).

3. The excavator swing arm mechanism as claimed in claim 2, wherein: an oil pipe (15) is arranged at one end of the connecting sleeve (14), a jacket clamp (16) is sleeved on the outer surface of the oil pipe (15), and a back plate (17) is arranged on one side surface of the jacket clamp (16).

4. The excavator swing arm mechanism as claimed in claim 1, wherein: one end of the bucket cylinder (12) is provided with a connecting column (18), the bottom of the connecting column (18) is fixedly connected with a supporting plate (19), and the upper surface of the supporting plate (19) is in threaded connection with a bolt (20).

5. The excavator swing arm mechanism as claimed in claim 1, wherein: both sides face of rocking arm (6) all fixedly connected with lagging (21), the surface of lagging (21) all cup joints lantern ring (22).

6. The excavator swing arm mechanism of claim 5, wherein: one end fixedly connected with spring post (23) of lantern ring (22), the one end of spring post (23) is provided with fixing base (24).