CN214005801U

CN214005801U - Handrail device of excavator

Info

Publication number: CN214005801U
Application number: CN202021905099.7U
Authority: CN
Inventors: 王晓宏; 徐丽; 金大桥; 刘长喜; 毕凤阳
Original assignee: Heilongjiang Institute of Technology
Current assignee: Heilongjiang Institute of Technology
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-08-20
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses an excavator handrail device, which comprises a main steel pipe, wherein the upper end of the main steel pipe is hinged with an upper steel pipe, the middle outer wall of the main steel pipe is sleeved with a first sleeve, and the lower end of the main steel pipe is hinged with a lower steel pipe; the upper steel pipe is fixedly arranged on the upper mounting plate, a first buffer cushion is arranged between the upper steel pipe and the upper mounting plate, and a pipe sleeve is sleeved on the outer wall of the lower end of the upper steel pipe; the sleeve is connected with a supporting tube which is fixedly arranged on the upper mounting plate, and a plurality of threaded holes are uniformly formed in the mounting plate; the lower end outer wall of the lower steel pipe is sleeved with a second sleeve, a limiting pin is connected between the lower steel pipe and the second sleeve, the second sleeve is fixedly arranged on the pressing plate, the pressing plate is welded on the lower mounting plate, and a plurality of bolt holes are uniformly formed in the lower mounting plate. The utility model provides an excavator handrail device, this kind of handrail structural stability is high, can reduce the vibration that produces in excavator working process and drive tight handrail vibration, can slow down the junction at handrail both ends or the fatigue damage at handrail middle part to the life of handrail has been increased.

Description

Handrail device of excavator

Technical Field

The utility model relates to an engineering machine tool technical field particularly, relates to an excavator armrest apparatus.

Background

An excavator, also known as a digging machine or excavator, is an earth moving machine that excavates material above or below a load bearing surface with a bucket and loads the material into a transport vehicle or unloads the material to a stockyard. The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction.

In the existing excavator, generally, a handrail is bent by a whole section of steel pipe, and then two ends of the handrail are respectively installed at the top of an oil tank and the bottom of a chassis. However, the handrail is always in a tight state due to the installation mode, and the tight handrail is driven to vibrate by vibration generated in the working process of the excavator, so that the connection parts at the two ends of the handrail or the middle part of the handrail are easily broken, and the handrail is damaged.

SUMMERY OF THE UTILITY MODEL

Problem to among the correlation technique, the utility model provides an excavator handrail device solves current excavator handrail, and the vibration that produces in the excavator working process drives tight handrail vibration, leads to the junction at handrail both ends or the middle part fracture of handrail easily, causes the handrail to damage.

In order to achieve the technical purpose, the technical scheme of the utility model is as follows:

the excavator handrail device comprises a main steel pipe, wherein the upper end of the main steel pipe is hinged with an upper steel pipe, a first sleeve is sleeved on the outer wall of the middle of the main steel pipe, and the lower end of the main steel pipe is hinged with a lower steel pipe; the upper steel pipe is fixedly arranged on the upper mounting plate, a first buffer cushion is arranged between the upper steel pipe and the upper mounting plate, and a pipe sleeve is sleeved on the outer wall of the lower end of the upper steel pipe; the sleeve is connected with a supporting tube which is fixedly arranged on the upper mounting plate, and a plurality of threaded holes are uniformly formed in the mounting plate; the lower steel pipe is sleeved with a second sleeve on the outer wall of the lower end of the lower steel pipe, a limiting pin is connected between the lower steel pipe and the second sleeve, the second sleeve is fixedly arranged on the pressing plate, the pressing plate is welded on the lower mounting plate, and a plurality of bolt holes are uniformly formed in the lower mounting plate.

Furthermore, a first pin shaft is connected between the main steel pipe and the upper steel pipe.

And furthermore, a second pin shaft is connected between the main steel pipe and the lower steel pipe.

Furthermore, a second cushion pad is arranged between the supporting tube and the upper mounting plate.

Further, the upper mounting plate is fixed on the excavator body through screws.

Further, the lower mounting plate is fixed on the excavator body through bolts.

Furthermore, a plurality of rib plates are uniformly arranged on the outer wall of the second sleeve.

The utility model has the advantages that: the excavator handrail device is simple in structure, convenient to use and high in structural stability, vibration generated in the working process of an excavator can be reduced to drive the tight handrail to vibrate, fatigue damage of the joints at the two ends of the handrail or the middle of the handrail is relieved, and therefore the service life of the handrail is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an excavator armrest apparatus according to an embodiment of the present invention;

in the figure: 1. a main steel pipe; 2. a first sleeve; 3. supporting a tube; 4. a first pin shaft; 5. feeding a steel pipe; 6. pipe sleeve; 7. a first buffer pad; 8. an upper mounting plate; 9. a second buffer pad; 10. a screw; 11. a second sleeve; 12. a spacing pin; 13. pressing a plate; 14. a bolt; 15. a lower mounting plate; 16. a rib plate; 17. a steel pipe is arranged; 18. and a second pin shaft.

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 all belong to the protection scope of the present invention.

As shown in fig. 1, the handrail device of the excavator according to the embodiment of the present invention comprises a main steel pipe 1, wherein the upper end of the main steel pipe 1 is hinged to an upper steel pipe 5, a sleeve i 2 is sleeved on the middle outer wall of the main steel pipe 1, and the lower end of the main steel pipe 1 is hinged to a lower steel pipe 17; the upper steel pipe 5 is fixedly arranged on an upper mounting plate 8, a first cushion pad 7 is arranged between the upper steel pipe 5 and the upper mounting plate 8, and a pipe sleeve 6 is sleeved on the outer wall of the lower end of the upper steel pipe 5; the sleeve I2 is connected with a supporting tube 3, the supporting tube 3 is fixedly arranged on the upper mounting plate 8, and a plurality of threaded holes are uniformly formed in the mounting plate 8; the lower steel pipe 17 is sleeved with a second sleeve 11 on the outer wall of the lower end of the lower steel pipe 17, a limiting pin 12 is connected between the lower steel pipe 17 and the second sleeve 11, the second sleeve 11 is fixedly arranged on a pressing plate 13, the pressing plate 13 is welded on a lower mounting plate 15, and a plurality of bolt holes are uniformly formed in the lower mounting plate 15.

In this embodiment, a first pin 4 is connected between the main steel pipe 1 and the upper steel pipe 5.

In this embodiment, a second pin 18 is connected between the main steel pipe 1 and the lower steel pipe 17.

In this embodiment, a second cushion pad 9 is disposed between the support tube 3 and the upper mounting plate 8, so as to reduce the vibration of the entire device.

In this embodiment, the upper mounting plate 8 is fixed to the body of the excavator by screws 10.

In this embodiment, the lower mounting plate 15 is fixed to the body of the excavator by bolts 14.

In this embodiment, the outer wall of the second sleeve 11 is uniformly provided with a plurality of ribs 16, so that vibration can be dispersed, and the structure is more stable.

In order to facilitate further understanding of the above technical solutions, the working principle thereof will now be explained:

as shown in fig. 1, the excavator can vibrate during traveling or working, a first pin shaft 4 is arranged between a first sleeve 2 and an upper steel pipe 5, a second pin shaft 18 is arranged between a main steel pipe 1 and a lower steel pipe 17, the first pin shaft 4 and the second pin shaft 18 can absorb vibration at a connection point, when violent vibration occurs, the first sleeve 2 connected with a support pipe 3 can counteract part of impact, a first cushion pad 7 at the bottom end of the upper steel pipe and a second cushion pad 9 at the bottom end of the support pipe 3 can both reduce vibration, a pipe sleeve 6 can play a role in protecting the connection of the upper steel pipe 5, the upper steel pipe 5 is arranged on an upper mounting plate 8, and the mounting plate 8 is fixed through a plurality of groups of screws 10; lower steel pipe 17 can be adjusted, and is fixed through spacer pin 12 after adjusting, and sleeve two 11 is installed on clamp plate 13, and lower steel pipe 17 lateral wall upper rib plate 16 can disperse some pressure, makes overall structure more stable, and clamp plate 13 is welded under on mounting panel 15, and mounting panel 15 fastens through bolt 14.

Whole excavator armrest apparatus can be applicable to multiple operation environment, and structural stability is high, can slow down the vibration that produces in excavator working process to avoid the junction at handrail both ends or the middle part fracture of handrail, increased the life of handrail.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

It is noted that, in this document, relational terms such as "component" a "and" component "and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 excavator handrail device comprises a main steel pipe (1), and is characterized in that the upper end of the main steel pipe (1) is hinged to an upper steel pipe (5), a first sleeve (2) is sleeved on the outer wall of the middle of the main steel pipe (1), and the lower end of the main steel pipe (1) is hinged to a lower steel pipe (17); the upper steel pipe (5) is fixedly arranged on the upper mounting plate (8), a first buffer cushion (7) is arranged between the upper steel pipe (5) and the upper mounting plate (8), and a pipe sleeve (6) is sleeved on the outer wall of the lower end of the upper steel pipe (5); the sleeve I (2) is connected with a supporting tube (3), the supporting tube (3) is fixedly arranged on the upper mounting plate (8), and a plurality of threaded holes are uniformly formed in the mounting plate (8); sleeve two (11) are sleeved on the outer wall of the lower end of the lower steel pipe (17), a limiting pin (12) is connected between the lower steel pipe (17) and the sleeve two (11), the sleeve two (11) is fixedly arranged on the pressing plate (13), the pressing plate (13) is welded on the lower mounting plate (15), and a plurality of bolt holes are uniformly formed in the lower mounting plate (15).

2. The excavator handrail device of claim 1, wherein a first pin (4) is connected between the main steel pipe (1) and the upper steel pipe (5).

3. The excavator handrail device of claim 1, wherein a second pin (18) is connected between the main steel pipe (1) and the lower steel pipe (17).

4. The armrest apparatus for excavators according to claim 1, characterized in that a second cushion (9) is provided between the support tube (3) and the upper mounting plate (8).

5. The armrest apparatus for excavators according to claim 1, characterized in that the upper mounting plate (8) is fixed to the body of the excavator by means of screws (10).

6. The armrest apparatus for excavators according to claim 1, characterized in that the lower mounting plate (15) is fixed to the body of the excavator by means of bolts (14).

7. The handrail device of the excavator as claimed in claim 1, wherein a plurality of ribs (16) are uniformly arranged on the outer wall of the second sleeve (11).