CN216839621U

CN216839621U - Excavator is with arm of digging that hydraulic pressure removed

Info

Publication number: CN216839621U
Application number: CN202220223524.7U
Authority: CN
Inventors: 李海平
Original assignee: Shandong Teres Heavy Industry Co ltd
Current assignee: Shandong Teres Heavy Industry Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-28
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses an arm that digs that hydraulic pressure removed for excavator, including first support arm, the left end of first support arm is rotated and is connected with the second support arm, and the mounting groove has been seted up to the left surface of second support arm, the first hydraulic telescoping rod of inner wall fixedly connected with of mounting groove, the inner wall sliding connection of mounting groove has flexible arm, the flexible end of first hydraulic telescoping rod and the upper end fixed connection of flexible arm, the lower extreme of flexible arm rotates and is connected with the bucket, the fixed surface of first hydraulic telescoping rod is connected with the connecting plate, the front of connecting plate is provided with first fixed pulley, the sliding tray has been seted up in the front of connecting plate. This arm of digging that excavator removed with hydraulic pressure through setting up flexible arm, when excavator operation cabin meets with the building and blocks and can't remove to the excavation region, drives first hydraulic telescoping rod, makes flexible arm stretch out along the orbit of mounting groove to the distance that the bucket stretches out has been lengthened, and then can make the building block excavate the region when digging machine operation cabin excavates.

Description

Excavator is with arm of digging that hydraulic pressure removed

Technical Field

The utility model relates to an engineering machine tool technical field specifically is an arm of digging that excavator removed with hydraulic pressure.

Background

Excavators, also known as excavating machines, also known as excavators, are earth moving machines that excavate material above or below a load bearing surface with a bucket and load it into a transport vehicle or unload it to a stockyard.

The existing excavator digging arm is integrated, when the excavator is constructed in an area with a limited moving range of an excavator operating cabin due to the fact that buildings block the excavator around, a construction area cannot be excavated due to the fact that the excavator digging arm is too short, and therefore inconvenience is brought to construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excavator is with digging arm that hydraulic pressure removed to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic movable digging arm for an excavator comprises a first supporting arm, wherein the left end of the first supporting arm is rotatably connected with a second supporting arm, the left side surface of the second supporting arm is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a first hydraulic telescopic rod, the inner wall of the mounting groove is slidably connected with a telescopic arm, the telescopic end of the first hydraulic telescopic rod is fixedly connected with the upper end of the telescopic arm, the lower end of the telescopic arm is rotatably connected with a bucket, the surface of the first hydraulic telescopic rod is fixedly connected with a connecting plate, the front surface of the connecting plate is provided with a first fixed pulley, the front surface of the connecting plate is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding block, the inner wall of the sliding groove is provided with a compression spring, one end of the compression spring is fixedly connected with the left side surface of the sliding block, the other end of the compression spring is fixedly connected with the inner wall of the groove, the front surface of the sliding block is provided with a second fixed pulley, the left side of flexible arm fixedly connected with links up the fishplate bar, links up the positive fixedly connected with go-between of fishplate bar, and the left side of flexible arm rotates and is connected with the second hydraulic telescoping rod, and the fixed surface of second hydraulic telescoping rod is connected with the hydraulic pressure pipe.

Preferably, the telescopic end of the second hydraulic telescopic rod is provided with a driving assembly capable of driving the bucket to rotate.

Preferably, the upper surface of the first support arm is rotatably connected with a third hydraulic telescopic rod, and the telescopic end of the third hydraulic telescopic rod is rotatably connected with the surface of the second support arm.

Preferably, the surface of the hydraulic pipe overlaps the surface of the first fixed pulley and the surface of the second fixed pulley, respectively.

Preferably, the other end of the hydraulic pipe passes through a connecting ring to be connected with an external hydraulic system.

Preferably, the number of connecting plates is a plurality of, and a plurality of connecting plates equidistance setting is on the surface of first hydraulic telescoping rod.

Advantageous effects

The utility model provides an arm that digs that excavator removed with hydraulic pressure possesses following beneficial effect:

1. this arm of digging that excavator removed with hydraulic pressure through setting up flexible arm, when excavator operation cabin meets with the building and blocks and can't remove to the excavation region, drives first hydraulic telescoping rod, makes flexible arm stretch out along the orbit of mounting groove to the distance that the bucket stretches out has been lengthened, and then can make the building block excavate the region when digging machine operation cabin excavates.

2. This arm of digging that hydraulic pressure removed for excavator through setting up first fixed pulley and second fixed pulley, can make hydraulic pressure pipe pulling second fixed pulley when flexible arm extension, makes the second fixed pulley move left along the orbit of sliding tray, and when flexible arm shrink, the second fixed pulley breaks away from the tractive of hydraulic pressure pipe, can move right along the orbit of sliding tray to make the hydraulic pressure pipe accomodate, avoid the hydraulic pressure pipe to cause the wobbling problem of hydraulic pressure pipe along with the removal of digging the machine.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a side view of the attachment ring;

fig. 4 is a schematic view of the bottom cross-section of the connecting plate.

In the figure: the hydraulic excavator comprises a first supporting arm 1, a second supporting arm 2, a first hydraulic telescopic rod 3, a telescopic arm 4, a bucket 5, a connecting plate 6, a first fixed pulley 7, a second fixed pulley 8, a connecting plate 9, a connecting ring 10, a second hydraulic telescopic rod 11, a hydraulic pipe 12, a third hydraulic telescopic rod 13, a compression spring 14 and a sliding block 15.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic movable digging arm for an excavator comprises a first supporting arm 1, wherein the left end of the first supporting arm 1 is rotatably connected with a second supporting arm 2, the upper surface of the first supporting arm 1 is rotatably connected with a third hydraulic telescopic rod 13, the telescopic end of the third hydraulic telescopic rod 13 is rotatably connected with the surface of the second supporting arm 2, the left side surface of the second supporting arm 2 is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a first hydraulic telescopic rod 3, the inner wall of the mounting groove is slidably connected with a telescopic arm 4, the telescopic end of the first hydraulic telescopic rod 3 is fixedly connected with the upper end of the telescopic arm 4, the lower end of the telescopic arm 4 is rotatably connected with a digging bucket 5, the surface of the first hydraulic telescopic rod 3 is fixedly connected with a plurality of connecting plates 6, the connecting plates 6 are arranged on the surface of the first hydraulic telescopic rod 3 at equal intervals, the front surface of the connecting plates 6 is provided with a first fixed pulley 7, the front of connecting plate 6 has seted up the sliding tray, the inner wall sliding connection of sliding tray has sliding block 15, the inner wall of sliding tray is provided with compression spring 14, the one end of compression spring 14 and the left surface fixed connection of sliding block 15, the other end of compression spring 14 and the inner wall fixed connection of recess, the front of sliding block 15 is provided with second fixed pulley 8, the left surface fixed connection of flexible arm 4 links up board 9, the front fixed connection of linking board 9 has go-between 10, the left surface of flexible arm 4 rotates and is connected with second hydraulic stretching pole 11, the flexible end of second hydraulic stretching pole 11 is provided with can order about bucket 5 pivoted drive assembly, the fixed surface of second hydraulic stretching pole 11 is connected with hydraulic pressure pipe 12, the surface of hydraulic pressure pipe 12 respectively with the surperficial overlap joint of first fixed pulley 7 and second fixed pulley 8, the other end of hydraulic pressure pipe 12 passes go-between 10 and is connected with external hydraulic system.

Through setting up telescopic boom 4, when the excavator operation cabin meets with the building and blocks and can't move to the excavation region, drive first hydraulic telescoping rod 3, make telescopic boom 4 stretch out along the orbit of mounting groove to the distance that excavator 5 stretched out has been lengthened, and then can make the building block and excavate the region when excavator operation cabin.

Through setting up first fixed pulley 7 and second fixed pulley 8, can make hydraulic pressure pipe 12 pulling second fixed pulley 8 when flexible arm 4 extension, make second fixed pulley 8 move to the seat along the orbit of sliding tray, when flexible arm 4 contracts, second fixed pulley 8 breaks away from the tractive of hydraulic pressure pipe 12, can remove to the right along the orbit of sliding tray to make hydraulic pressure pipe 12 accomodate, avoid hydraulic pressure pipe 12 to cause the wobbling problem of hydraulic pressure pipe 12 along with the removal of digging machine.

The working principle is as follows: when the excavator stops to cause the displacement range to have the building when, the extension of the 3 extension of first hydraulic telescoping rod of drive drives flexible arm 4 along the orbit extension of mounting groove, thereby can drive the extension of excavator bucket 5 of excavator, and then can reach and excavate the region, hydraulic pressure pipe 12 is when receiving the tractive simultaneously, drive the orbit of second fixed pulley 8 along the sliding tray and move to the left side, thereby make the hydraulic pressure pipe 12 of accomodating stretch out, when the 3 shrink of first hydraulic telescoping rod drives flexible arm 4 shrink entering mounting groove, second fixed pulley 8 breaks away from the tractive of hydraulic pressure pipe 12, make compression spring 14 reset and drive sliding block 15 and reset, thereby can move the orbit of second fixed pulley 8 along the sliding tray right, thereby can accomodate second hydraulic pressure pipe 12.

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 an excavator is with arm that digs of hydraulic pressure removal, includes first support arm (1), its characterized in that: the left end of the first supporting arm (1) is rotatably connected with a second supporting arm (2), the left side surface of the second supporting arm (2) is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a first hydraulic telescopic rod (3), the inner wall of the mounting groove is slidably connected with a telescopic arm (4), the telescopic end of the first hydraulic telescopic rod (3) is fixedly connected with the upper end of the telescopic arm (4), the lower end of the telescopic arm (4) is rotatably connected with a bucket (5), the surface of the first hydraulic telescopic rod (3) is fixedly connected with a connecting plate (6), the front surface of the connecting plate (6) is provided with a first fixed pulley (7), the front surface of the connecting plate (6) is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding block (15), the inner wall of the sliding groove is provided with a compression spring (14), one end of the compression spring (14) is fixedly connected with the left side surface of the sliding block (15), the other end of the compression spring (14) and the front of the sliding block (15) fixedly connected with the inner wall of the groove are provided with a second fixed pulley (8), the left side surface of the telescopic arm (4) is fixedly connected with a connecting plate (9), the front of the connecting plate (9) is fixedly connected with a connecting ring (10), the left side surface of the telescopic arm (4) is rotatably connected with a second hydraulic telescopic rod (11), and the surface of the second hydraulic telescopic rod (11) is fixedly connected with a hydraulic pipe (12).

2. The hydraulically movable excavating arm for an excavator according to claim 1 wherein: the telescopic end of the second hydraulic telescopic rod (11) is provided with a driving component which can drive the bucket (5) to rotate.

3. The hydraulically movable excavating arm for an excavator according to claim 1 wherein: the upper surface of first support arm (1) rotates and is connected with third hydraulic telescoping rod (13), and the flexible end of third hydraulic telescoping rod (13) rotates with the surface of second support arm (2) to be connected.

4. The hydraulically movable excavating arm for an excavator according to claim 1 wherein: the surface of the hydraulic pipe (12) is respectively overlapped with the surfaces of the first fixed pulley (7) and the second fixed pulley (8).

5. The hydraulically movable excavating arm for an excavator according to claim 1 wherein: the other end of the hydraulic pipe (12) passes through the connecting ring (10) and is connected with an external hydraulic system.

6. The hydraulically movable excavating arm for an excavator according to claim 1 wherein: the number of connecting plates (6) is a plurality of, and a plurality of connecting plates (6) equidistance setting are on the surface of first hydraulic telescoping rod (3).