CN215977431U

CN215977431U - Excavator movable arm capable of being assembled quickly

Info

Publication number: CN215977431U
Application number: CN202122427452.6U
Authority: CN
Inventors: 刘彦君
Original assignee: Hefei Senlong Structural Parts Manufacturing Co ltd
Current assignee: Hefei Senlong Structural Parts Manufacturing Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-08
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a movable arm of an excavator capable of being assembled quickly, relates to the technical field of excavators, and aims to solve the problem that the existing movable arm in the prior art is a main structure for connecting a cantilever arm and a frame, the two ends of the existing movable arm need to be combined by connecting pieces, and oil pipes need to be erected and connected, so that the existing movable arm is inconvenient to disassemble and install. The excavator movable arm assembly comprises an extension arm coupling and a machine body coupling, the extension arm coupling and the machine body coupling are of an integrated structure, an initial pipeline window is arranged above the machine body coupling, a hydraulic oil pipe is arranged inside the initial pipeline window, an oil cylinder accommodating groove is formed between the extension arm coupling and the machine body coupling, built-in oil pipe serial ports are arranged at two ends of the oil cylinder accommodating groove, the built-in oil pipe serial ports are connected with the initial pipeline window through pipelines, the built-in oil pipe serial ports are multiple, and a movable arm oil cylinder clamping shaft is arranged at the bottom of the excavator movable arm assembly.

Description

Excavator movable arm capable of being assembled quickly

Technical Field

The utility model relates to the technical field of excavators, in particular to an excavator movable arm capable of being assembled quickly.

Background

A boom is a work implement of an excavator, and mainly functions to control operations of an excavator such as excavation and loading.

However, the existing movable arm is a main structure for connecting the boom and the frame, and both ends of the existing movable arm need to be combined by connecting pieces and also need to be connected by building oil pipes, so that the existing movable arm is very inconvenient to disassemble and assemble; therefore, the existing requirements are not met, and a rapidly assembled excavator boom is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quickly assembled excavator movable arm, which aims to solve the problem that the existing movable arm proposed in the background art is a main structure for connecting a boom and a frame, the two ends of the existing movable arm need to be combined by connecting pieces, and oil pipes need to be erected and connected, so that the existing movable arm is extremely inconvenient to disassemble and install.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an excavator swing arm that can assemble fast, includes excavator swing arm subassembly, excavator swing arm subassembly is including stretching arm shaft coupling and organism shaft coupling, and stretches arm shaft coupling and organism shaft coupling and set up to the integral type structure, the top of organism shaft coupling is provided with initial pipeline window, and the inside of initial pipeline window is provided with hydraulic pressure oil pipe, it accomodates the groove to stretch to be provided with the hydro-cylinder between arm shaft coupling and the organism shaft coupling, and the both ends of accomodating the groove of hydro-cylinder all are provided with built-in oil pipe serial ports, built-in oil pipe serial ports passes through pipe connection with initial pipeline window, and built-in oil pipe serial ports have a plurality ofly, excavator swing arm subassembly's bottom is provided with swing arm hydro-cylinder card axle, and swing arm hydro-cylinder card axle and excavator swing arm subassembly welded connection.

Preferably, one end of the extending arm coupling is provided with a fitting limiting groove, and the serial port of the built-in oil pipe extends to the end face of the fitting limiting groove.

Preferably, an extension arm rotating shaft lock catch is arranged above the fit limiting groove, the extension arm rotating shaft lock catch is connected with the extension arm coupling through a bolt, and a lubricating rotating groove is formed in the inner side of the extension arm rotating shaft lock catch.

Preferably, one end of the machine body coupling shaft is provided with a machine body linkage rod, and the machine body linkage rod penetrates and extends to two sides of the machine body coupling shaft.

Preferably, pipeline clamps are arranged on two sides of the clamping shaft of the movable arm oil cylinder, and the pipeline clamps are connected with the boom coupling and the machine body coupling through screws.

Preferably, auxiliary oil cylinder embedding openings are formed in two sides of the terminal of the movable arm assembly of the excavator, and the auxiliary oil cylinder embedding openings are connected with the movable arm assembly of the excavator through bolts.

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

1. the excavator movable arm assembly is provided with the initial pipeline window, the built-in hydraulic oil pipe is arranged inside the initial pipeline window, and when the excavator movable arm assembly is used, a pipeline of a hydraulic oil cylinder on the rack is butted on an oil port inside the initial pipeline window, so that when the excavator movable arm assembly is installed and combined, serial ports of the built-in oil pipes at two ends of an oil cylinder accommodating groove are directly butted according to the using condition of the oil cylinder, the pipeline is not required to be arranged again when the excavator movable arm assembly climbs to the top end of the movable arm, and the assembling time is saved to the greatest extent;

2. the clamping shaft of the movable arm oil cylinder is positioned at the bottom of the corner of the extending arm coupling and the machine body coupling and can be connected with the movable arm oil cylinder on the machine body, so that the rotating operation of a movable arm structure is realized, a plurality of pipeline hoops are distributed and extended on two sides of the corner, and an oil pipe with a bottom wire can be directly fixed on the pipeline hoops, so that the installation efficiency is improved.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the overall bottom structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a boom assembly of the excavator; 2. an extension arm coupling; 3. the machine body is coupled with a shaft; 4. the extending arm rotating shaft is locked; 5. lubricating the rotary groove; 6. a machine body linkage rod; 7. an initial pipeline window; 8. embedding an auxiliary oil cylinder; 9. an oil cylinder accommodating groove; 10. an oil pipe serial port is arranged inside; 11. fitting the limit groove; 12. a movable arm oil cylinder clamping shaft; 13. and (6) a pipeline hoop.

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.

Referring to fig. 1-3, an embodiment of the present invention is shown: a excavator movable arm capable of being assembled quickly comprises an excavator movable arm assembly 1, wherein the excavator movable arm assembly 1 comprises an arm coupling 2 and an engine body coupling 3, the arm coupling 2 and the engine body coupling 3 are arranged into an integral structure, an initial pipeline window 7 is arranged above the engine body coupling 3, a hydraulic oil pipe is arranged inside the initial pipeline window 7, a built-in oil pipe is adopted, when the excavator movable arm assembly is used, a pipeline of a hydraulic oil cylinder on a rack is butted on an oil port inside the initial pipeline window 7, only the built-in oil pipe serial ports 10 at two ends of an oil cylinder accommodating groove 9 are directly butted according to the using condition of the oil cylinder, the pipeline arrangement does not need to be carried out again when the excavator movable arm assembly is installed and combined, the oil cylinder accommodating groove 9 is arranged between the arm coupling 2 and the engine body coupling 3, the built-in oil pipe serial ports 10 are arranged at two ends of the oil cylinder accommodating groove 9, the built-in oil pipe serial port 10 is connected with the initial pipeline window 7 through a pipeline, the built-in oil pipe serial ports 10 are multiple, auxiliary oil cylinder embedded ports 8 are formed in two sides of the terminal of the excavator movable arm assembly 1, the auxiliary oil cylinder embedded ports 8 are connected with the excavator movable arm assembly 1 through bolts, the auxiliary oil cylinder embedded ports 8 are located in two sides of a corner, the auxiliary oil cylinder embedded ports are mainly suitable for some work scenes needing large power, two groups of movable arm oil cylinders can be installed in the auxiliary oil cylinder embedded ports 8 under the work scenes, and the movable arm oil cylinder clamping shafts 12 below the auxiliary oil cylinder embedded ports do not need to be installed.

Furthermore, one end of the outrigger coupling 2 is provided with a fitting limit groove 11, the built-in oil pipe serial port 10 extends to the end surface of the fitting limit groove 11, the upper part of the fitting limit groove 11 is provided with an outrigger rotating shaft lock catch 4, and the extending arm rotating shaft lock catch 4 is connected with the extending arm coupling shaft 2 through a bolt, the inner side of the extending arm rotating shaft lock catch 4 is provided with a lubricating rotating groove 5, one end of the machine body coupling shaft 3 is provided with a machine body linkage rod 6, and the machine body linkage rod 6 extends to the two sides of the machine body coupling shaft 3 in a penetrating way, the machine body coupling shaft 3 is firstly connected and fixed with the switching mechanism on the machine frame, the machine body linkage rod 6 can be switched according to different types of machine frames, the applicability of the structure is improved, after the movable arm structure and the machine body are installed, the connecting end of the extending arm is aligned to the extending arm rotating shaft lock catch 4 which is matched with the upper part of the limiting groove 11, and then the adapter is inserted into the lubricating rotating groove 5 and fixed through the extending arm rotating shaft lock catch 4.

Further, a movable arm cylinder clamping shaft 12 is arranged at the bottom of the excavator movable arm assembly 1, the movable arm cylinder clamping shaft 12 is connected with the excavator movable arm assembly 1 in a welded mode, pipeline clamps 13 are arranged on two sides of the movable arm cylinder clamping shaft 12, the pipeline clamps 13 are connected with the boom extension shaft coupling 2 and the machine body coupling shaft 3 through screws, the movable arm cylinder clamping shaft 12 is located at the bottom of the corner of the boom extension shaft coupling 2 and the machine body coupling shaft 3 and can be connected with a movable arm cylinder on the machine body, rotating operation of a movable arm structure is achieved, a plurality of pipeline clamps 13 are distributed and extended on two sides of the corner, oil pipes with wires routed at the bottom can be directly fixed on the pipeline clamps 13, and installation efficiency is improved.

The working principle is as follows: when the movable arm structure and the engine body are installed, the connecting end of an extension arm is aligned to an extension arm rotating shaft lock catch 4 above a fit limiting groove 11, then the extension arm is inserted into a lubricating rotating groove 5 and fixed through the extension arm rotating shaft lock catch 4, then a movable arm oil cylinder clamping shaft 12 at the bottom of a corner is connected with a movable arm oil cylinder on the engine body, rotation operation of the movable arm structure is achieved, meanwhile, a plurality of pipeline clamps 13 are distributed and extended on two sides of the corner, oil pipes with wires running at the bottom can be directly fixed on the pipeline clamps 13, installation efficiency is improved, and finally, pipelines of hydraulic oil cylinders on the engine body are butted on oil ports inside an initial pipeline window 7 The oil pipe serial ports 10 are butted without climbing to the top end of the movable arm to arrange pipelines, so that the assembly time is saved to the maximum extent.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. A excavator movable arm capable of being assembled quickly comprises an excavator movable arm assembly (1) and is characterized in that: the excavator movable arm assembly (1) comprises a boom coupling (2) and a machine body coupling (3), the boom coupling (2) and the machine body coupling (3) are arranged to be of an integrated structure, an initial pipeline window (7) is arranged above the machine body coupling (3), a hydraulic oil pipe is arranged inside the initial pipeline window (7), an oil cylinder accommodating groove (9) is formed between the boom coupling (2) and the machine body coupling (3), built-in oil pipe serial ports (10) are arranged at two ends of the oil cylinder accommodating groove (9), the built-in oil pipe serial ports (10) are connected with the initial pipeline window (7) through pipelines, the built-in oil pipe serial ports (10) are multiple, a movable arm oil cylinder clamping shaft (12) is arranged at the bottom of the excavator movable arm assembly (1), and the movable arm oil cylinder clamping shaft (12) is connected with the excavator movable arm assembly (1) in a welded mode.

2. The rapidly assemblable excavator boom of claim 1, wherein: one end of the extending arm coupling (2) is provided with a fitting limiting groove (11), and the built-in oil pipe serial port (10) extends to the end face of the fitting limiting groove (11).

3. The rapidly assemblable excavator boom of claim 2, wherein: an extension arm rotating shaft lock catch (4) is arranged above the fit limiting groove (11), the extension arm rotating shaft lock catch (4) is connected with the extension arm coupling (2) through a bolt, and a lubricating rotating groove (5) is arranged on the inner side of the extension arm rotating shaft lock catch (4).

4. The rapidly assemblable excavator boom of claim 1, wherein: one end of the machine body coupling shaft (3) is provided with a machine body linkage rod (6), and the machine body linkage rod (6) penetrates through and extends to two sides of the machine body coupling shaft (3).

5. The rapidly assemblable excavator boom of claim 1, wherein: pipeline clamps (13) are arranged on two sides of the clamping shaft (12) of the movable arm oil cylinder, and the pipeline clamps (13) are connected with the extension arm coupling (2) and the machine body coupling (3) through screws.

6. The rapidly assemblable excavator boom of claim 1, wherein: auxiliary oil cylinder embedding openings (8) are formed in two sides of the terminal of the movable arm component (1) of the excavator, and the auxiliary oil cylinder embedding openings (8) are connected with the movable arm component (1) of the excavator through bolts.