CN219240681U - Pressurized cab for bulldozer - Google Patents

Abstract

The utility model provides a booster cab for a bulldozer, which comprises a sealed cab and an air filtering assembly arranged outside the sealed cab, wherein an air duct is arranged in the sealed cab, and the air filtering assembly provides fresh air for the sealed cab through the air duct. The utility model has the beneficial effects that: the booster cab for the bulldozer has the advantages that the booster bellows wire harness is embedded in the top of the sealed cab formed by welding the cab frame and the floor bracket into a whole, and the control knob switch is fixed on the top trim, so that a driver can conveniently control the air inlet quantity; outside air is purified through the air filter and then enters the top of the cab through the supercharging bellows, and enters the sealed cab from the top air duct and the air outlet, so that harmful gas or dust is prevented from entering the cab, fresh clean air is ensured to enter the cab at any time, the operating environment in the cab is improved, and the driving comfort is improved.

Description

Pressurized cab for bulldozer

technical field

The utility model belongs to the field of bulldozers, in particular to a pressurized cab for bulldozers.

Background technique

The working environment of bulldozers is harsh and the working conditions are complex. With the development of construction machinery, drivers and passengers have higher and higher requirements for the environment inside the cab. They no longer simply require noise reduction and improved sealing performance, and require fresher and cleaner air inside the cab. , and the air pressure is slightly higher than the external atmospheric pressure, so that the cab is cleaner and more comfortable.

Utility model content

In view of this, the utility model aims to propose a pressurized cab for bulldozers, and provides a pressurized cab for bulldozers, which greatly improves the sealing performance of the cab, prevents harmful gases or dust from entering the cab, and Ensure fresh and clean air enters the cab at any time, improve the operating environment in the cab, and improve driving comfort.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A pressurized cab for a bulldozer comprises a sealed cab and an air filter assembly arranged outside the sealed cab, an air duct is arranged in the sealed cab, and the air filter assembly provides fresh air for the sealed cab through the air duct.

Further, the air filter assembly includes an air filter, and an air filter bracket for installing the air filter is arranged outside the sealed cab.

Further, the air outlet of the air filter is connected to the first end of the connecting hose, the second end of the connecting hose is connected to the air inlet of the pressurized bellows, and the connecting hose is connected to the air outlet of the filter and the air inlet of the pressurized bellows The part is provided with a throat hoop.

Further, the air outlet of the pressurized air box is connected with the air duct, through which fresh air is provided for the sealed cab;

An air outlet is provided on the air duct.

Further, a sealing sponge is arranged between the sealing cab and the connection part of the pressurized air box to improve the sealing performance.

Further, a corresponding opening is provided at the contact portion between the sealed cab and the pressurized air box, and the air outlet of the pressurized air box is connected to the air duct through the opening.

Further, the contact portion between the sealed cab and the pressurized air box is provided with a corresponding opening, and the opening is not less than one, and the number of openings corresponds to the number of air ducts.

Compared with the prior art, the pressurized cab for a bulldozer described in the utility model has the following beneficial effects:

The utility model relates to a pressurized cab for a bulldozer. The top of the sealed cab whose frame and floor bracket are welded together is pre-embedded with a pressurized bellows wiring harness, and the control knob switch is fixed on the top decoration, which is convenient for the driver. Control the air intake; after the outside air is purified by the air filter, it enters the top of the cab through the pressurized air box, and then enters the sealed cab from the top air duct and air outlet to prevent harmful gases or dust from entering the cab and ensure fresh air at any time. Clean air enters the cab, improving the operating environment in the cab and improving driving comfort.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a schematic diagram of the top of a pressurized cab for a bulldozer according to an embodiment of the present invention.

Explanation of reference signs:

1-sealed cab; 2-air duct; 3-air outlet; 4-sealing sponge; 5-pressurized air box; 6-hose clamp; 7-connecting hose; stand.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

This application adopts the following technical solutions: a pressurized cab for bulldozers, which includes a sealed cab 1, an air filter 8, a pressurized bellows 5, and an air filter 8 support that are welded together by the cab frame and the floor support , connecting the rubber hose 7, the air outlet 3, the sealing sponge 4, etc., and fixing the air filter 8 with the air filter 8 bracket directly above the rear window glass of the sealed cab 1 where the cab frame and the floor bracket are welded together, increasing The pressure air box 5 is also fixed directly above the rear window glass of the sealed cab 1 where the cab frame and the floor bracket are welded together, and a sealing sponge 4 is added between the cab and the pressurized air box 5, and the air filter 8 is connected to the pressurized air box 5. The air box 5 is connected together with the hose clamp 6 and the connecting rubber hose 7. Just above the rear window of the cab, there are 2 air ducts connected to the pressurized air box 5 at the fixed pressurized air box 5, and the cab frame and the floor bracket are welded together. The top of the sealed cab 1 is welded with a sealed air duct 2, and the appropriate position of the air duct 2 has an air outlet 3.

The sealed cab 1 with the cab frame and floor support welded together is pre-embedded with a pressurized air box 5 wire harness, and the control knob switch is fixed on the top trim, which is convenient for the driver to control the air intake.

After the outside air is purified by the air filter 8, it enters the top of the cab through the pressurized bellows 5, and then enters the sealed cab 1 from the top air duct 2 and the air outlet 3 to prevent harmful gases or dust from entering the cab, and to ensure that there is air at any time. Fresh and clean air enters the cab, improving the operating environment in the cab and improving driving comfort.

After the outside air is purified by the air filter 8, it enters the top of the cab 1 through the booster bellows 55, and then enters the sealed cab 11 from the top air duct 22 and the air outlet 33 to prevent harmful gases or dust from entering the cab 1, and ensure Fresh and clean air enters the cab 1 at any time, improving the operating environment in the cab 1 and improving driving comfort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention The scope of the technical solution shall be included in the scope of the claims and description of the present utility model.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (5)

1. A booster cab for a bulldozer is characterized in that: the air filtering device comprises a sealed cab (1) and an air filtering component arranged outside the sealed cab (1), wherein an air duct (2) is arranged in the sealed cab (1), and the air filtering component provides fresh air for the sealed cab (1) through the air duct (2);

the air filtering assembly comprises an air filter (8), and an air filter (8) bracket for installing the air filter (8) is arranged outside the sealed cab (1);

an air outlet (3) of the air filter (8) is connected with a first end of a connecting rubber tube (7), a second end of the connecting rubber tube (7) is connected with an air inlet of a supercharging bellows (5), and a hose hoop (6) is arranged at the air inlet connection part of the connecting rubber tube (7) with the air outlet (3) of the filter and the supercharging bellows (5).

2. The booster cab for a bulldozer according to claim 1, wherein: an air outlet (3) of the pressurizing air box (5) is connected with the air duct (2), and fresh air is provided for the sealed cab (1) through the air duct (2);

an air outlet (3) is arranged on the air duct (2).

3. A booster cab for a bulldozer according to claim 2, in which: a sealing sponge (4) is arranged between the connecting part of the sealing cab (1) and the pressurizing bellows (5) in a cushioning manner and is used for improving sealing performance.

4. A booster cab for a bulldozer according to claim 2, in which: the contact part of the sealed cab (1) and the supercharging bellows (5) is provided with a corresponding opening, and the air outlet (3) of the supercharging bellows (5) is connected with the air duct (2) through the opening.

5. The booster cab for a bulldozer according to claim 4, wherein: the contact part of the sealed cab (1) and the pressurizing bellows (5) is provided with corresponding openings, the number of the openings is not less than one, and the number of the openings corresponds to the number of the air channels (2).

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