CN215053347U

CN215053347U - Multistage telescopic arm device of excavator

Info

Publication number: CN215053347U
Application number: CN202120183496.6U
Authority: CN
Inventors: 李连成
Original assignee: Jinan Yongquan Hydraulic Equipment Co ltd
Current assignee: Jinan Yongquan Hydraulic Equipment Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-12-07
Anticipated expiration: 2031-01-23

Abstract

The utility model discloses a multistage flexible arm device of excavator, which comprises a bod, be equipped with adjustment mechanism on the organism, last second hoist engine and the mount of installing of adjustment mechanism, install power unit in the mount, power unit and first flexible arm are connected. The utility model discloses the multiple condition of adaptation that can be fine promotes the practicality of product, and the efficiency of guaranteeing to go up and down is convenient for stretch out and draw back fast and targets in place through the stable going up and down that goes on of the flexible arm of messenger second and the flexible arm of third that the cooperation of second hoist engine and first hoist engine can be fine simultaneously, convenient quick recovery simultaneously, lifting means's stability and practicality.

Description

Multistage telescopic arm device of excavator

Technical Field

The utility model relates to a flexible arm technical field especially relates to a multistage flexible arm device of excavator.

Background

The telescopic arm is a working device mounted on the excavator, and the fixed body and moving body can make the moving body extend and retract under the action of telescopic cylinder so as to attain the goal of larger excavating radius and reasonable loading height.

The existing telescopic boom mechanism is generally matched with a single winch and an oil cylinder, so that the lifting is convenient to realize, but the safety of the telescopic boom mechanism cannot be well guaranteed, and meanwhile, the telescopic boom mechanism is inconvenient to adjust, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects that the safety of a telescopic arm mechanism is not high and the adjustment is inconvenient, and providing a multistage telescopic arm device of an excavator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-stage telescopic arm device of an excavator comprises an excavator body, wherein an adjusting mechanism is arranged on the excavator body, a second winch and a fixing frame are mounted on the adjusting mechanism, a power mechanism is mounted in the fixing frame, and the power mechanism is connected with a first telescopic arm;

first flexible arm slides and cup joints in the mount, the flexible arm of second has been cup jointed in sliding in the first flexible arm, two first pulleys are installed to the one end of the flexible arm of second, the both sides of first flexible arm all are fixed with the fixed block, be connected with first stay cord on the fixed block, two first stay cords twine respectively on two first pulleys, the flexible arm of third has been cup jointed in sliding in the flexible arm of second, and the upper end at the flexible arm of third is all fixed to the upper end of two first stay cords.

Preferably, a first winch is installed at one end of the first telescopic boom, a second pull rope is installed on the first winch, and the lower end of the second pull rope is connected with the upper end of the third telescopic boom.

Preferably, the power mechanism comprises a first oil cylinder installed in the fixed frame, and the tail end of a piston rod of the first oil cylinder is fixed at one end of the first telescopic arm.

Preferably, a third pull rope is installed on the second winch, a first rotating arm is installed at one end of the fixing frame, the third pull rope is wound on the first rotating arm, and one end of the third pull rope is connected with the first telescopic arm.

Preferably, the adjusting mechanism comprises a second rotating arm rotatably connected to the machine body, one side of the fixing frame is fixed to one side of the second rotating arm, the second winch is installed at the upper end of the second rotating arm, the machine body is rotatably connected with a second oil cylinder, and one end of the second oil cylinder is rotatably connected to the second rotating arm.

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

1. the first winch can well drive the second pull rope to operate, the second pull rope can well drive the third telescopic arm to operate, meanwhile, the utility model can well drive the second telescopic arm to move, the second telescopic arm can well drive the third telescopic arm to move, the stability of contraction can be ensured by the cooperation of the second winch and the first winch, and the first oil cylinder can well drive the third telescopic arm to move;

2. the second rotating arm can be well rotated through the second oil cylinder, so that the angle can be conveniently adjusted, and the device can be well suitable for various conditions;

to sum up, the utility model discloses the practicality of adaptation multiple condition that can be fine promotes the product, and the flexible arm of messenger's second that simultaneously can be fine through the cooperation of second hoist engine and first hoist engine is stable goes up and down with the flexible arm of third, guarantees that the efficiency of going up and down is convenient for stretch out and draw back fast and target in place, convenient quick recovery simultaneously, lifting means's stability and practicality.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the first telescopic arm of the present invention;

FIG. 3 is a schematic view of the structure of the utility model;

in the figure: the device comprises a first oil cylinder 1, a fixed frame 2, a first winch 3, a first telescopic arm 4, a fixed block 5, a first pull rope 6, a second telescopic arm 7, a third telescopic arm 8, a first pulley 9, a second pull rope 10, a machine body 11, a third pull rope 12, a second winch 13, a first rotating arm 14, a second oil cylinder 15 and a second rotating arm 16.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1-3, a multistage telescopic boom device of excavator, including organism 11, organism 11 can be fine moves, and can guarantee the efficiency of removal, thereby it transports to suitable position to conveniently as required, be equipped with adjustment mechanism on the organism 11, last second hoist engine 13 and the mount 2 of installing of adjustment mechanism, make mount 2 that can be fine through adjustment mechanism rotate, be convenient for adjust its to suitable angle, facilitate the use, install power unit in the mount 2, power unit and first telescopic boom 4 are connected, make first telescopic boom 4 motion that can be fine through power unit.

Referring to fig. 3, the adjusting mechanism includes second rotor arm 16 rotatably connected to body 11, be convenient for rotate, one side of mount 2 is fixed in one side of second rotor arm 16, second hoist engine 13 is installed in the upper end of second rotor arm 16, when second rotor arm 16 rotates, mount 2 can follow it and rotate, it is connected with second hydro-cylinder 15 to rotate on body 11, the one end of second hydro-cylinder 15 is rotated and is connected on second rotor arm 16, second hydro-cylinder 15 is connected with external corollary equipment, the stable function of ability, be convenient for promote second rotor arm 16 and rotate.

Referring to fig. 1-2, the power mechanism comprises a first oil cylinder 1 installed in a fixed frame 2, and the tail end of a piston rod of the first oil cylinder 1 is fixed at one end of a first telescopic arm 4.

Referring to fig. 1-3, first flexible arm 4 slides and cup joints in mount 2, first flexible arm 4 slides and has cup jointed the flexible arm 7 of second, two first pulleys 9 are installed to the one end of the flexible arm 7 of second, the both sides of first flexible arm 4 all are fixed with fixed block 5, be connected with first stay cord 6 on the fixed block 5, two first stay cords 6 twine respectively on two first pulleys 9, slide and have cup jointed the flexible arm 8 of third in the flexible arm 7 of second, the upper end of two first stay cords 6 is all fixed in the upper end of the flexible arm 8 of third, during the function, work as the flexible arm 7 of second function kinetic energy fine drive the flexible arm 8 motion of third through first stay cord 6, thereby be convenient for the flexible arm 7 of second and the flexible arm 8 of third, promote flexible efficiency, thereby promote the efficiency of work.

Referring to fig. 2, first hoist engine 3 is installed to the one end of first flexible arm 4, installs second stay cord 10 on the first hoist engine 3, and the lower extreme of second stay cord 10 is connected with the upper end of the flexible arm 8 of third, is convenient for drive the flexible arm 8 of third and goes up and down, and the lift of the flexible arm 8 of third that passes through that can be fine makes first stay cord 6 conflict first pulley 9 and make the flexible arm 7 motion of second, is convenient for stretch out and draw back.

Referring to fig. 1 to 3, a third pull rope 12 is installed on a second winch 13, a first rotating arm 14 is installed at one end of a fixed frame 2, the third pull rope 12 is wound on the first rotating arm 14, one end of the third pull rope 12 is connected with the first telescopic arm 4, and the third pull rope 12 can pull the first telescopic arm 4 to move through the second winch 13, so that the operation of the first oil cylinder 1 can be well assisted, and the safety of the movement can be ensured.

The utility model discloses in, during the use, the staff promotes the rotation of second rotor arm 16 through second hydro-cylinder 15, conveniently enable the rotation of mount 2, the staff goes up and down through the first flexible arm 4 of preliminary messenger that the flexible ability of first hydro-cylinder 1 is fine after the mount 2 rotates, after first flexible arm 4 goes up and down to target in place, second hoist engine 13 is through the motion of the first flexible arm 4 of the supplementary third stay cord 12, and it is flexible to take the flexible arm 8 of the quick messenger third that is convenient for of 10 functions of second stay cord to stretch through first hoist engine 3, when the flexible arm 8 of third stretches out and draws back simultaneously, the flexible arm 7 motion of drive second that first stay cord 6 can be fine, promote the flexible efficiency of flexible arm, the fast movement of being convenient for targets in place.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an excavator's multistage telescopic boom device, includes organism (11), its characterized in that: an adjusting mechanism is arranged on the machine body (11), a second winch (13) and a fixing frame (2) are mounted on the adjusting mechanism, a power mechanism is mounted in the fixing frame (2), and the power mechanism is connected with the first telescopic arm (4);

first flexible arm (4) slide to cup joint in mount (2), slide in first flexible arm (4) and cup jointed the flexible arm of second (7), two first pulleys (9) are installed to the one end of the flexible arm of second (7), the both sides of first flexible arm (4) all are fixed with fixed block (5), be connected with first stay cord (6) on fixed block (5), two first stay cords (6) twine respectively on two first pulleys (9), slide in the flexible arm of second (7) and cup jointed the flexible arm of third (8), the upper end of the flexible arm of third (8) is all fixed in the upper end of two first stay cords (6).

2. The multi-stage telescopic arm device of an excavator according to claim 1, wherein: a first winch (3) is installed at one end of the first telescopic arm (4), a second pull rope (10) is installed on the first winch (3), and the lower end of the second pull rope (10) is connected with the upper end of the third telescopic arm (8).

3. The multi-stage telescopic arm device of an excavator according to claim 1, wherein: the power mechanism comprises a first oil cylinder (1) arranged in the fixed frame (2), and the tail end of a piston rod of the first oil cylinder (1) is fixed at one end of the first telescopic arm (4).

4. The multi-stage telescopic arm device of an excavator according to claim 1, wherein: a third pull rope (12) is installed on the second winch (13), a first rotating arm (14) is installed at one end of the fixing frame (2), the third pull rope (12) is wound on the first rotating arm (14), and one end of the third pull rope (12) is connected with the first telescopic arm (4).

5. The multi-stage telescopic arm device of an excavator according to claim 1, wherein: the adjusting mechanism comprises a second rotating arm (16) which is rotatably connected to the machine body (11), one side of the fixing frame (2) is fixed to one side of the second rotating arm (16), the second winch (13) is installed at the upper end of the second rotating arm (16), the machine body (11) is rotatably connected with a second oil cylinder (15), and one end of the second oil cylinder (15) is rotatably connected to the second rotating arm (16).