A vehicle-mounted excavator

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

Technical Field

[0001] The invention relates to the technical field of municipal emergency equipment, in particular to a vehicle-mounted excavator. Background Art

[0002] During the rescue and relief of urban water supply and drainage, gas, heating, power supply buried pipelines, etc., especially the rescue and relief of natural disasters, it is necessary to carry out operations such as breaking up cement pavement, digging trenches, moving debris, and cleaning up the site.

[0003] Due to the tight time and heavy tasks at the rescue site, a lot of cleanup work needs to be done; and most existing excavators are crawler-type, with slow walking speed, and cannot quickly reach the rescue site; sometimes in order to quickly get the excavator to the rescue site, the excavator is shipped by semi-trailer, which causes many inconveniences. Before the excavator arrives at the site, continuous excavation is usually carried out manually.

[0004] After a lot of practice, the applicant found that for the above problem, it is a good idea to install an excavator on the existing emergency rescue vehicle. However, when the excavator is placed on the emergency rescue vehicle, how to place the mechanical arm so that the mechanical arm does not hinder normal driving and ensure safety during driving is also a problem that needs to be considered. Summary of the invention

[0005] The invention provides a vehicle-mounted excavator, aiming to solve the driving obstacle and safety problems that exist after a rescue vehicle is equipped with the excavator.

[0006] A vehicle-mounted excavator comprises a rescue vehicle, which is provided with a cab, a carriage and an excavating mechanism from front to rear, and the excavating mechanism comprises 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 rescue vehicle beam; the hydraulic multi-axis movable arm is fixed to the turntable base through a large arm slewing support.

[0007] Furthermore, the hydraulic multi-axis movable arm is mainly composed of a boom fixed on the boom slewing support, a middle arm hinged to the boom, and a forearm hinged to the middle arm, and the bucket is hinged to the forearm; the boom, the middle arm, the forearm and the bucket are all driven by independent oil cylinders.

[0008] Furthermore, a support beam is provided below the fixing seat, and hydraulic legs are fixed downwardly at both ends of the support beam.

[0009] Furthermore, the rear wheels of the emergency rescue vehicle and the hydraulic legs are respectively located on both sides of the fixing seat.

[0010] Furthermore, the excavating mechanism is equipped with a rotary oil valve, and the rotary oil valve is connected to a hydraulic oil pump through a hydraulic oil pipe, and the hydraulic oil pump provides power for the excavating mechanism.

[0011] Furthermore, the hydraulic oil pump is a hydraulic oil pump integrated with the vehicle engine.

[0012] Furthermore, the hydraulic oil pump adopts an independent hydraulic oil pump and is connected to the gearbox of the emergency rescue vehicle through a power take-off.

[0013] 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 digging angle and the digging area, the mechanical arm can be well placed, thereby ensuring the balance, stability and safety of the vehicle during driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure and working status;

[0015] Figure 2 It is a schematic diagram of some structures and placement status;

[0016] Figure 3 It is a schematic diagram of the overall structure and placement status;

[0017] Figure 4 This is a schematic diagram of the hydraulic oil pump connected to the gearbox of the rescue vehicle through a power take-off. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0019] Example 1

[0020] A vehicle-mounted excavator, such as Figure 1 , Figure 2As shown, it includes a rescue vehicle, which is respectively provided with a cab 1, a carriage 2 and an excavation mechanism from front to rear, and the excavation mechanism includes a turntable base 3, a hydraulic multi-axis movable arm 4 fixed on the turntable base, a bucket 5 rotatably connected to the end of the hydraulic multi-axis movable arm and a driver's seat 6 fixed on the turntable base.

[0021] The turntable base 3 is fixed to the fixed seat 8 via the base slewing support 7 , and the fixed seat 8 is fixed to the emergency rescue vehicle beam 9 ; the hydraulic multi-axis movable arm 4 is fixed to the turntable base 3 via the arm slewing support 10 .

[0022] In order to facilitate the 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 to the large arm, and a small arm 403 hinged to the middle arm. The bucket 5 is hinged to the small arm. The large arm, the middle arm, the small arm and the bucket are all driven by independent cylinders 404, 405, 406. Compared with the existing excavator mechanical arm, there is one more level, mainly to facilitate the mechanical arm to be retracted. Figure 3 Status shown.

[0023] The main core point of this application is that the mechanical arm rotates relative to the turntable base. The mechanical arm plus the driver's seat have a certain width. If the mechanical arm is not properly placed during driving, it will be disadvantageous in terms of balance, stability and safety. During the excavation process, the state of the mechanical arm and the driver's seat is basically maintained. Figure 1 Status shown.

[0024] In order to facilitate the placement of the mechanical arm and ensure the balance, stability and safety of the rescue vehicle during normal driving, when the rescue vehicle finishes the excavation operation, the mechanical arm is rotated by rotating the slewing support of the big arm. Figure 1 The status changes to Figure 3 The bucket is placed at the rear of the car to avoid the problem of the bucket facing the sides or rear, which may cause safety accidents. Figure 3 In the state, the excavation mechanism as a whole is symmetrical about the central axis of the emergency rescue vehicle, ensuring good balance and making the emergency rescue vehicle more stable during driving.

[0025] Considering the stability of the rescue vehicle during driving, the stability of the rescue vehicle during excavation is ensured by setting hydraulic legs 12. Specifically, a support beam 11 and a hydraulic leg are provided below the fixed seat 8, and hydraulic legs 12 are fixed downward at both ends of the support beam 11; the rear wheels of the rescue vehicle and the hydraulic legs 12 are respectively located on both sides of the fixed seat 8.

[0026] The excavation mechanism is equipped with a rotary oil valve, which is connected to a hydraulic oil pump 13 through a hydraulic oil pipe. The hydraulic oil pump 13 provides power for the excavation mechanism. The hydraulic oil pump is a hydraulic oil pump integrated with the vehicle engine, or an independent hydraulic oil pump, and is connected to the gearbox 15 of the rescue vehicle through a power take-off 14. Figure 4 shown.

[0027] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention.

Claims

1. A vehicle-mounted excavator, including a rescue vehicle, characterized in that: The rescue vehicle is provided with a cab, a carriage and an excavation mechanism from front to back, and 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 on the fixed seat through the base slewing support, and the fixed seat is fixed on the beam of the emergency rescue vehicle; the hydraulic multi-axis movable arm is fixed on the turntable base through the large arm slewing support; The hydraulic multi-axis movable arm is mainly composed of a large arm fixed on the large arm slewing support, a middle arm hinged to the large arm, and a small arm hinged to the middle arm, and the bucket is hinged to the small arm; the large arm, the middle arm, the small arm and the bucket are all driven by independent oil cylinders, so as to be easily retracted to the rear of the carriage; A support beam is provided below the fixing seat, and hydraulic legs are fixed downwardly at both ends of the support beam, and the rear wheels of the emergency rescue vehicle and the hydraulic legs are respectively located on both sides of the fixing seat; The excavating mechanism is equipped with a rotary oil valve, and the rotary oil valve is connected to 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 according to claim 1, characterized in that: The hydraulic oil pump is a hydraulic oil pump integrated with the vehicle engine.

3. The vehicle-mounted excavator according to claim 1, characterized in that: The hydraulic oil pump adopts an independent hydraulic oil pump and is connected to the gearbox of the emergency rescue vehicle through a power take-off.

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