CN110712583B

CN110712583B - Vehicle-mounted excavator

Info

Publication number: CN110712583B
Application number: CN201911097361.1A
Authority: CN
Inventors: 金凤; 金安桐
Original assignee: Anhui Tongbo Special Vehicle Manufacturing Co ltd
Current assignee: Anhui Tongbo Special Vehicle Manufacturing Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2024-12-20
Anticipated expiration: 2039-11-12
Also published as: CN110712583A

Abstract

The present invention discloses a vehicle-mounted excavator, including a rescue vehicle, wherein the rescue vehicle is provided with a cab, a carriage and an excavation mechanism from front to back, wherein the excavation mechanism includes a turntable base, a hydraulic multi-axis movable arm fixed on the turntable base, a bucket rotatably connected to the end of the hydraulic multi-axis movable arm and a driver's seat fixed on the turntable base; the turntable base is fixed to a fixed seat through a base slewing support, and the fixed seat is fixed to the beam of the rescue vehicle; the hydraulic multi-axis movable arm is fixed to the turntable base through a large arm slewing support. The vehicle-mounted excavator provided by the present invention can quickly reach the emergency repair site, and can promptly and efficiently solve the difficulties encountered at the emergency repair site; and under the premise of not affecting the excavation angle and excavation area, the mechanical arm can be well placed, thereby ensuring the balance, stability and safety of the vehicle during driving.

Description

Vehicle-mounted excavator

Technical Field

The invention relates to the technical field of municipal emergency equipment, in particular to a vehicle-mounted excavator.

Background

In the rescue process of urban water supply and drainage, fuel gas, heat supply, power supply buried pipelines and the like, especially in the rescue process of natural disasters, operations such as cement pavement breaking, trench digging, sundry moving, on-site cleaning and the like are required to be carried out.

Because the time of the rescue site is short, the task is heavy, a large amount of cleaning work is needed, the existing excavator is mostly crawler-type, the walking speed is low, the rescue site cannot be reached quickly, and sometimes, in order to enable the excavator to reach the rescue site quickly, the semi-trailer is utilized to carry out the delivery of the excavator, so that a plurality of inconveniences exist in the process. Continuous excavation is typically performed manually before the excavator reaches the site.

Through a great deal of practice, the applicant finds that the problem is solved by mounting the excavator on the existing rescue vehicle. However, when the excavator is placed on the rescue vehicle and the excavating action is not needed, how to arrange the mechanical arm is a problem which needs to be considered, so that the mechanical arm cannot obstruct normal running and the safety in the running process is ensured.

Disclosure of Invention

The invention provides a vehicle-mounted excavator, which aims to solve the problems of driving obstacle and safety existing after an emergency rescue vehicle is mounted with the excavator.

The vehicle-mounted excavator comprises an emergency rescue vehicle, wherein a cab, a carriage and an excavating mechanism are respectively arranged on the emergency rescue vehicle from front to back, the excavating mechanism comprises a turntable base, a hydraulic multi-shaft movable arm fixed on the turntable base, an excavator bucket rotatably connected to the end part of the hydraulic multi-shaft movable arm and a driving seat fixed on the turntable base, the turntable base is fixed on a fixed seat through a base rotary support, the fixed seat is fixed on a girder of the emergency rescue vehicle, and the hydraulic multi-shaft movable arm is fixed on the turntable base through a big arm rotary support.

Further, the hydraulic multi-axis movable arm mainly comprises a large arm fixed on the large arm rotary support, a middle arm hinged with the large arm and a small arm hinged with the middle arm, the excavator bucket is hinged with the small arm, and the large arm, the middle arm, the small arm and the excavator bucket are all driven by independent oil cylinders.

Furthermore, a supporting beam is arranged below the fixing seat, and hydraulic supporting legs are downwards fixed at two ends of the supporting beam.

Further, the rear wheels of the rescue vehicle and the hydraulic support legs are respectively positioned at two sides of the fixing seat.

Further, the excavating mechanism is equipped with a rotary oil valve, and the rotary oil valve is connected with a hydraulic oil pump through a hydraulic oil pipe, and the hydraulic oil pump provides power for the excavating mechanism.

Further, the hydraulic oil pump is integrated with the vehicle engine.

Furthermore, the hydraulic oil pump adopts an independent hydraulic oil pump and is connected with a gearbox of the rescue vehicle through a power takeoff.

The vehicle-mounted excavator provided by the invention can quickly reach the emergency repair site, can timely and efficiently solve the problem of difficulty in the emergency repair site, and can well reset the mechanical arm on the premise of not influencing the excavating angle and the excavating area, thereby ensuring the balance, stability and safety in the running process of the vehicle.

Drawings

FIG. 1 is a schematic diagram of an overall mechanism and operating conditions;

FIG. 2 is a schematic view of a part of the structure and the reset state;

FIG. 3 is a schematic diagram of the overall mechanism and the reset state;

fig. 4 is a schematic diagram of a hydraulic oil pump connected with a rescue vehicle gearbox through a power takeoff.

Detailed Description

The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

The vehicle-mounted excavator comprises an emergency rescue vehicle, wherein the emergency rescue vehicle is provided with a cab 1, a carriage 2 and an excavating mechanism from front to back, and the excavating mechanism comprises a turntable base 3, a hydraulic multi-shaft movable arm 4 fixed on the turntable base, a bucket 5 rotatably connected to the end part of the hydraulic multi-shaft movable arm and a cab 6 fixed on the turntable base.

The turntable base 3 is fixed on a fixed seat 8 through a base slewing support 7, the fixed seat 8 is fixed on a girder 9 of the rescue vehicle, and the hydraulic multi-shaft movable arm 4 is fixed on the turntable base 3 through a big arm slewing support 10.

In order to facilitate retraction of the mechanical arm, the hydraulic multi-axis movable arm 4 is mainly composed of a large arm 401 fixed on the large arm slewing support 10, a middle arm 402 hinged with the large arm, and a small arm 403 hinged with the middle arm, and the bucket 5 is hinged with the small arm. The large arm, the middle arm, the small arm and the bucket are all driven by separate cylinders 404, 405, 406. Compared with the existing mechanical arm of the excavator, the mechanical arm of the excavator is more than one level, and is mainly convenient for contracting into the state shown in fig. 3.

The main core point of the application is that the mechanical arm rotates relative to the turntable base. The mechanical arm and the driver's seat have a certain width, and if the mechanical arm is not properly arranged during running, the mechanical arm is disadvantageous in terms of balance, stability and safety, and the states of the mechanical arm and the driver's seat basically maintain the state shown in fig. 1 during the process of digging.

In order to facilitate the returning of the mechanical arm and ensure the balance, stability and safety of the rescue vehicle in the normal running process, when the rescue vehicle finishes the excavating operation, the mechanical arm is changed from the state of fig. 1 to the state of fig. 3 by rotating the large arm rotary support. The excavator bucket is arranged at the rear side of the carriage, so that the problem that safety accidents are easily caused when the excavator bucket faces to two sides or the rear is avoided. Because the excavating mechanism is fixed in the middle of the girder, when the excavating mechanism is in the state of fig. 3, the whole excavating mechanism is symmetrical about the central axis of the rescue vehicle, thereby ensuring good balance and ensuring that the rescue vehicle is more stable in the running process.

Considering the stability of the rescue vehicle during driving, the stability of the rescue vehicle during excavating operation is ensured by arranging the hydraulic support legs 12. Specifically, a supporting beam 11 and hydraulic supporting legs are arranged below the fixed seat 8, the hydraulic supporting legs 12 are fixed at two ends of the supporting beam 11 downwards, and the rear wheels of the rescue vehicle and the hydraulic supporting legs 12 are respectively positioned at two sides of the fixed seat 8.

The excavating mechanism is equipped with a rotary oil valve which is connected with a hydraulic oil pump 13 through a hydraulic oil pipe, and the hydraulic oil pump 13 provides power for the excavating mechanism. The hydraulic oil pump is an integrated hydraulic oil pump with a vehicle engine, or an independent hydraulic oil pump, and is connected with a gearbox 15 of the rescue vehicle through a power takeoff 14, as shown in fig. 4.

It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention.

Claims

1. The vehicle-mounted excavator comprises an emergency rescue vehicle and is characterized in that the emergency rescue vehicle is respectively provided with a cab, a carriage and an excavating mechanism from front to back, and the excavating mechanism comprises a turntable base, a hydraulic multi-shaft movable arm fixed on the turntable base, a bucket rotatably connected to the end part of the hydraulic multi-shaft movable arm and a cab fixed on the turntable base;

The turntable base is fixed on a fixed seat through a base slewing support, and the fixed seat is fixed on the girder of the rescue vehicle; the hydraulic multi-shaft movable arm is fixed on the turntable base through a large arm slewing support;

The hydraulic multi-axis movable arm mainly comprises a large arm fixed on the large arm rotary support, a middle arm hinged with the large arm and a small arm hinged with the middle arm, and the excavator bucket is hinged with the small arm;

A supporting beam is arranged below the fixed seat, hydraulic supporting legs are downwards fixed at two ends of the supporting beam, and the rear wheel of the rescue vehicle and the hydraulic supporting legs are respectively positioned at two sides of the fixed seat;

The excavating mechanism is provided with a rotary oil valve, the rotary oil valve is connected with a hydraulic oil pump through a hydraulic oil pipe, and the hydraulic oil pump provides power for the excavating mechanism.

2. The vehicle-mounted excavator of claim 1 wherein the hydraulic oil pump is a hydraulic oil pump integral with the vehicle engine.

3. The vehicle-mounted excavator of claim 1 wherein the hydraulic oil pump is an independent hydraulic oil pump and is connected to the gearbox of the rescue vehicle via a power take-off.