CN210002461U

CN210002461U - excavator arms

Info

Publication number: CN210002461U
Application number: CN201920427249.9U
Authority: CN
Inventors: 唐建兵
Original assignee: Chongqing Mingfu Construction Machinery Co Ltd
Current assignee: Chongqing Mingfu Construction Machinery Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-31
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses an excavator arm, including main arm and second pneumatic cylinder, the outside winding of main arm has the oil line, pneumatic cylinder passes through connecting axle and fixed block interconnect of downside, the right side of second pneumatic cylinder and the upper portion reciprocal anchorage of main arm, the third pneumatic cylinder is installed on the right side of time arm, the spout has been seted up to the surface of stationary blade, and the internally mounted of spout has a pivot, the downside of connecting rod is fixed with the right side board, the surface of right side board is seted up flutedly, the right side of right side board is connected with the bucket, this excavator arm, through the use of connecting axle, fixed block, connection piece and fixed screw, makes the device when with excavator interconnect, fix connection piece and excavator alright to through rotating the fixed screw, can make the pneumatic cylinder use the connecting axle to rotate as the axle center, thereby accomplish the purpose of adjusting to the angle of putting of pneumatic cylinder.

Description

excavator arms

Technical Field

The utility model relates to an excavator technical field specifically is kinds of excavator arms.

Background

The excavator is an earth moving machine which excavates material above or below a bearing surface with a bucket and loads into a transport vehicle or unloads to a stockyard, and the arm of the excavator is which is the most important part of the excavator and has the function of adjusting the angle during use.

In the existing excavator arm, when the excavator arm is fixed with an excavator, the excavator arm is troublesome, so that the practicability of the excavator arm is poor. Aiming at the problems, the novel design is carried out on the basis of the original excavator arm.

SUMMERY OF THE UTILITY MODEL

() problems to be solved

Not enough to prior art, the utility model provides an kinds of excavator arms have solved in current excavator arm, when fixed with the excavator, often comparatively trouble to lead to the relatively poor problem of practicality of self.

(II) technical scheme

kinds of excavator arms, including main arm and second pneumatic cylinder, the outside winding of main arm has the oil line, and the bottom of main arm installs the spliced pole, and the both sides of main arm all through fixed axle and pneumatic cylinder reciprocal anchorage, the pneumatic cylinder passes through the connecting axle and fixed block interconnect of downside, and the outside of fixed block is fixed with the connection piece, and the inboard of connection piece passes through fixed screw and pneumatic cylinder reciprocal anchorage, the right side of second pneumatic cylinder and the upper portion reciprocal anchorage of main arm, and the left side of second pneumatic cylinder and the top interconnect of secondary arm, the third pneumatic cylinder is installed on the right side of secondary arm, and the lower part of third pneumatic cylinder is provided with the stationary blade, the spout has been seted up to the surface of stationary blade, and the internally mounted of spout has the pivot to the stationary blade is through pivot and connecting rod reciprocal anchorage of downside, the downside of connecting rod is fixed with the right side board, and the right side board passes through fixed plate and left side board interconnect, the surface of right side board has seted up the recess, and the internally mounted of recess has flexible post, the right side of right.

Preferably, the th hydraulic cylinder and the main arm form a rotating structure through a fixed shaft, and the th hydraulic cylinder is symmetrically arranged in two groups about a perpendicular bisector of the main arm.

Preferably, the connecting piece forms a rotating structure with the th hydraulic cylinder through a connecting shaft and a fixing block, and the connecting piece is in threaded connection with the th hydraulic cylinder through a fixing screw.

Preferably, the secondary arm and the primary arm form a rotating structure through a second hydraulic cylinder.

Preferably, the left side plate and the right side plate form a rotating structure through a fixing plate, and the fixing plate and the left side plate are -body structures.

Preferably, the connection mode of flexible post and recess is for inlaying the connection, and the equal angular distribution of flexible post is on the surface of right side board.

Preferably, the bucket forms a rotating structure through the left side plate and the right side plate.

(III) advantageous effects

The utility model provides an kinds of excavator arms possess following beneficial effect:

(1) this excavator arm, through the use of connecting axle, fixed block, connection piece and set screw, make the device when with excavator interconnect, with connection piece and excavator fixed alright to through rotating set screw, can make the pneumatic cylinder use the connecting axle to rotate as the axle center, thereby accomplish the purpose of adjusting the angle of putting of pneumatic cylinder, improved the device's practicality.

(2) This excavator arm through the use of fixed plate, flexible post and recess, makes the device can adjust the angle of bucket to when carrying out the operation to the region of slope, can be more convenient, improved the device's work efficiency, reduce operating time, and when adjusting the angle of bucket, can drive flexible post and slide in the inside of recess, avoid the condition of bumping, improved the device's stability.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

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

FIG. 4 is a schematic sectional side view of the fixing plate of the present invention;

fig. 5 is a schematic view of the fixing plate of the present invention.

In the figure, the excavator comprises a main arm 1, a main arm 2, an oil line 3, a connecting column 4, a fixed shaft 5, an th hydraulic cylinder 6, a connecting shaft 7, a fixed block 8, a connecting sheet 9, a fixed screw 10, a second hydraulic cylinder 11, a secondary arm 12, a third hydraulic cylinder 13, a fixed sheet 14, a sliding groove 15, a rotating shaft 16, a connecting rod 17, a fixed plate 18, a left side plate 19, a right side plate 20, a telescopic column 21, a groove 22 and an excavating bucket.

Detailed Description

The technical solution 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 , but not all embodiments.

As shown in fig. 1-5, the utility model provides technical solutions, kinds of excavator arms, including main arm 1, oil line 2, connecting post 3, fixed axle 4, hydraulic cylinder 5, connecting axle 6, fixed block 7, connecting piece 8, set screw 9, second hydraulic cylinder 10, sub-arm 11, third hydraulic cylinder 12, fixing piece 13, chute 14, pivot 15, connecting rod 16, fixed plate 17, left side plate 18, right side plate 19, telescopic column 20, recess 21 and bucket 22, the outside of main arm 1 is twined with oil line 2, and connecting post 3 is installed to the bottom of main arm 1, and the both sides of main arm 1 are all through fixed axle 4 and hydraulic cylinder 5 reciprocal anchorage, hydraulic cylinder 5 is through connecting axle 6 and fixed block 7 reciprocal anchorage, and the outside of fixed block 7 is fixed with connecting piece 8, and the inboard of connecting piece 8 is through fixed screw 9 and hydraulic cylinder 5 reciprocal anchorage, the right side of second hydraulic cylinder 10 and the upper portion of main arm 1 are reciprocal anchorage, and the left side of second hydraulic cylinder 10 and the top of sub-arm 11 are reciprocal anchorage, and the right side of fixed link 11 are installed with the right side plate 19, and right side plate 19 of chute 12 are installed with chute 12, and right side plate 19, and chute 16 are installed with chute 19, and chute 19 of chute 19, and chute 19 are installed with chute 16, and chute 19 of chute 19, and chute 19 are installed with chute 19, and chute;

the hydraulic cylinder 5 and the main arm 1 form a rotating structure through the fixed shaft 4, and the hydraulic cylinder 5 is symmetrically provided with two groups about the perpendicular bisector of the main arm 1, so that the device can also rotate the main arm 1 through the hydraulic cylinder 5, and the rotating axis of the main arm 1 is the connecting column 3;

the connecting piece 8 and the th hydraulic cylinder 5 form a rotating structure through the connecting shaft 6 and the fixing block 7, and the connecting piece 8 is in threaded connection with the th hydraulic cylinder 5 through the fixing screw 9, so that the device is fixed through the connecting piece 8 and the excavator, and the installation of the device can be completed;

the secondary arm 11 and the main arm 1 form a rotating structure through a second hydraulic cylinder 10, so that the swinging angle of the device is increased;

the left side plate 18 forms a rotating structure through the fixed plate 17 and the right side plate 19, and the fixed plate 17 and the left side plate 18 are in an -body structure, so that the device can adjust the angle of the bucket 22;

the telescopic columns 20 and the grooves 21 are connected in an embedded mode, and the telescopic columns 20 are distributed on the surface of the right side plate 19 at equal angles, so that the device can finish the fixation of the bucket 22 after the angle of the bucket 22 is adjusted;

the bucket 22 is configured to rotate by the left side plate 18 and the right side plate 19, so that the device can perform the subsequent excavation work.

When the excavator main arm is used, firstly, the main arm 1 is fixed with an external excavator through the connecting column 3, then, according to the needs of the excavator main arm, as shown in fig. 3, the fixing screw 9 is rotated, so that the distance between the left side of the connecting piece 8 and the hydraulic cylinder 5 is increased, then, the connecting piece 8 is driven to rotate by taking the connecting shaft 6 as an axis, so that the purpose of adjusting the placing angle of the hydraulic cylinder 5 is fulfilled, finally, the outer surface of the connecting piece 8 and the external excavator are fixed, so that the device is connected, then, the placing angle of the bucket 22 is adjusted, the telescopic column 20 is lengthened, so that the friction force between the two ends of the telescopic column 20 and the left side plate 18 and the right side plate 19 is reduced, finally, the bucket 22 is rotated, then, the right side plate 19 is driven to rotate by taking the fixing plate 17 as the axis, and the telescopic column 20 is driven to rotate inside the groove 21, after the adjustment is completed, the telescopic column 20 is shortened, so that the friction force between the two ends of the telescopic column 20 and the left side plate 18 and the right side plate 19 are increased, the friction force of the bucket 19 is driven to rotate, when the bucket 22 is fixed, the main arm can be driven to rotate through the hydraulic cylinder 6312, the hydraulic cylinder 12 can be driven by taking the hydraulic cylinder 12 which is a third hydraulic cylinder 12 which is well known technology of the hydraulic cylinder for driving the excavator main arm, and can be used for driving.

In conclusion, the excavator arm can fix the connecting sheet 8 and the excavator when the excavator arm is connected with the excavator through the use of the connecting shaft 6, the fixing block 7, the connecting sheet 8 and the fixing screw 9, and can enable the -th hydraulic cylinder 5 to rotate by taking the connecting shaft 6 as an axis through rotating the fixing screw 9, so that the purpose of adjusting the placing angle of the -th hydraulic cylinder 5 is achieved, the practicability of the excavator arm is improved, the angle of the excavator bucket 22 can be adjusted through the use of the fixing plate 17, the telescopic column 20 and the groove 21, so that when an inclined area is operated, the excavator arm can be more convenient, the working efficiency of the excavator arm is improved, the working time is shortened, and when the angle of the excavator bucket 22 is adjusted, the telescopic column 20 can be driven to slide in the groove 21, the collision is avoided, and the stability of the excavator arm is improved.

It should be noted that, in this document, relational terms such as , second and the like are only used to distinguish entities or operations from another entities or operations, and no necessarily requires or implies that any such actual relationship or order exists between the entities or operations.

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

The excavator arm comprises a main arm (1) and a second hydraulic cylinder (10), and is characterized in that an oil line (2) is wound on the outer side of the main arm (1), a connecting column (3) is installed at the bottom end of the main arm (1), the two sides of the main arm (1) are fixed to a hydraulic cylinder (5) through a fixing shaft (4), a hydraulic cylinder (5) is connected to the fixing block (7) through a connecting shaft (6) on the lower side, a connecting piece (8) is fixed to the outer side of the fixing block (7), the inner side of the connecting piece (8) is fixed to a hydraulic cylinder (5) through a fixing screw (9), the right side of the second hydraulic cylinder (10) and the upper portion of the main arm (1) are fixed to each other, the left side of the second hydraulic cylinder (10) and the top end of a secondary arm (11) are connected to each other, a third hydraulic cylinder (12) is installed on the right side of the secondary arm (11), a fixing plate (13) is arranged on the lower portion of the third hydraulic cylinder (12), a fixing plate (14) is provided with a sliding chute (14) on the outer surface of the fixing plate (19), a sliding chute (15) is connected to a right side plate (19), a sliding chute (19) and a sliding chute (19) is connected to a right side plate (19) through a sliding chute (19), and a groove (19) which is connected to a right side plate (19), and a sliding chute (19) which is connected to.
2. type excavator arm according to claim 1, wherein the hydraulic cylinder (5) and the main arm (1) form a rotary structure through a fixed shaft (4), and the hydraulic cylinder (5) is symmetrically arranged in two sets with respect to the perpendicular bisector of the main arm (1).
3. type excavator arm according to claim 1, characterized in that the connecting piece (8) forms a rotating structure with the hydraulic cylinder (5) through the connecting shaft (6) and the fixing block (7), and the connecting piece (8) is connected with the hydraulic cylinder (5) through the fixing screw (9) in a threaded manner.
4. type excavator arm according to claim 1, characterized in that the secondary arm (11) forms a rotating structure with the primary arm (1) through the second hydraulic cylinder (10).
5. The excavator arm of claim 1, wherein the left side plate (18) and the right side plate (19) form a rotary structure through a fixed plate (17), and the fixed plate (17) and the left side plate (18) are integrated structure.
6. type excavator arm according to claim 1, wherein the connection mode of the telescopic column (20) and the groove (21) is inlay connection, and the telescopic column (20) is distributed on the surface of the right side plate (19) at equal angles.
7. excavator arm according to claim 1, characterized in that the bucket (22) is a rotary structure formed by a left side plate (18) and a right side plate (19).