KR20140070862A - dust removing device and construction machine - Google Patents

dust removing device and construction machine Download PDF

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Publication number
KR20140070862A
KR20140070862A KR1020120136210A KR20120136210A KR20140070862A KR 20140070862 A KR20140070862 A KR 20140070862A KR 1020120136210 A KR1020120136210 A KR 1020120136210A KR 20120136210 A KR20120136210 A KR 20120136210A KR 20140070862 A KR20140070862 A KR 20140070862A
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KR
South Korea
Prior art keywords
air
compressed air
pressure
tank
nozzle
Prior art date
Application number
KR1020120136210A
Other languages
Korean (ko)
Inventor
배현규
박중호
Original Assignee
볼보 컨스트럭션 이큅먼트 에이비
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 볼보 컨스트럭션 이큅먼트 에이비 filed Critical 볼보 컨스트럭션 이큅먼트 에이비
Priority to KR1020120136210A priority Critical patent/KR20140070862A/en
Publication of KR20140070862A publication Critical patent/KR20140070862A/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/40—Special vehicles
    • B60Y2200/41—Construction vehicles, e.g. graders, excavators
    • B60Y2200/412—Excavators
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

Disclosed is a dust removing device for removing foreign matters such as dust which are piled up in a radiator room or the like and cause ignition.
According to the present invention, there is provided a dust removing apparatus comprising: an air tank formed to be capable of filling and discharging compressed air;
An air nozzle mounted on the upper frame and formed in the air hose communicating with the air tank and injecting compressed air supplied through the air hose;
A switch for selecting whether to inject compressed air through the air nozzles;
An on-off valve installed to open and close the discharge port of the air tank;
And an air pressure detecting means provided in an air nozzle formed at the most downstream side of the air hose and capable of switching the on-off type valve to an on state or an off state depending on the high or low pressure of the compressed air supplied to the most downstream air nozzle And a dust removing device for removing dust from the dust.

Description

TECHNICAL FIELD [0001] The present invention relates to a dust removing device and a construction machine including the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust removing apparatus and a construction machine including the dust removing apparatus, and more particularly, to a dust removing apparatus and a construction machine including the same, capable of removing foreign matters such as dust accumulated in a radiator room or the like.

In the endless track type excavator shown in Fig. 1,

A lower traveling body 1,

An upper frame 2 mounted on the lower traveling body 1,

A cabin 3 and an engine compartment 4 and a counterweight 5 mounted on the upper frame 2,

A boom 7 connected to the upper frame 2 and driven by the boom cylinder 6; an arm 9 connected to the boom 7 and driven by the arm cylinder 8; And a bucket 11 connected to the bucket cylinder 10 and driven by the bucket cylinder 10.

When working in a quarry, mining, or construction site using an excavator as described above, foreign matter such as dust or asbestos powder is easily scattered due to the characteristics of the operation, and since the engine room is always exposed to these foreign substances, Dust and the like are accumulated in the room. Such foreign matter such as dust easily burns even in a small spark generated in an engine room and the like, thereby causing a fire accident.

On the other hand, an air compressor mounted on an upper frame of an excavator is mainly used for cleaning the inside of a cabin, but is not used for removing combustible foreign substances such as dust accumulated in a radiator room of equipment.

Therefore, washing or cleaning work is required to remove combustible foreign matter such as dust or powder after work. However, if the workplace is located far away from the city center, or if the working environment can not be washed, the foreign matter is continuously left In the United States.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide an air conditioner which eliminates foreign substances such as dust accumulated in a radiator room by using compressed air, And a construction machine including the dust removal device.

To achieve these and other advantages and in accordance with the purpose of the present invention,

An air tank mounted on the upper frame and formed to be capable of filling and discharging compressed air,

A plurality of air nozzles formed in the air hose mounted on the upper frame and communicating with the air tank, for spraying the compressed air supplied through the air hoses,

A switch disposed in the cabin mounted on the upper frame for selecting whether to jet the compressed air through the air nozzles,

An on-off valve provided on the side of a discharge port of the air tank for opening and closing the valve,

And an air pressure regulator provided in an air nozzle formed at the most downstream side of the air hose and capable of switching the on / off type valve to an on state or an off state in accordance with the high and low of the compressed air pressure supplied to the most downstream air nozzle And a detection means for detecting the dust.

According to an embodiment of the present invention,

A lower traveling body,

An upper frame rotatably mounted on the lower traveling body,

An engine room and a working device mounted on the upper frame,

An air tank mounted on the upper frame for filling compressed air generated by engine operation,

An on-off valve provided on the side of a discharge port of the air tank for opening and closing the valve,

A plurality of air nozzles formed on an air hose mounted on the upper frame and communicating with the air tank, for spraying compressed air supplied through the air hoses,

A switch provided inside the cabin for selecting whether to inject compressed air through the air nozzles,

And an air pressure regulator provided in an air nozzle formed at the most downstream side of the air hose and capable of switching the on / off type valve to an on state or an off state in accordance with the high and low of the compressed air pressure supplied to the most downstream air nozzle And a detecting means for detecting the position of the dust removing device.

The air pressure detecting means

Side air nozzle, the compressed air pressure being supplied to the most downstream-side air nozzle,

When the detected compressed air pressure is higher than a predetermined pressure, the on-off valve is maintained in the ON state,

And a pressure detection sensor for outputting a detection signal so that the on / off type valve can be switched to an off state when the detected compressed air pressure is lower than a predetermined pressure.

The air pressure detecting means

Side air nozzle is opened and closed by the compressed air pressure supplied to the most downstream air nozzle, and when the compressed air pressure supplied to the most downstream air nozzle is higher than a predetermined pressure and is switched to the open state, the on- However,

And a check valve for outputting a control signal to switch the on / off type valve to the off state when the compressed air pressure supplied to the most downstream air nozzle is lower than a preset pressure and the closed state is maintained .

The air tank

And an engine air tank installed in the engine room mounted on the upper frame and filled with the air pressure generated by the engine.

The air tank

And an air compressor air tank mounted on the upper frame and filled with the air pressure generated by the operation of the air compressor.

The on / off switch

And is opened and closed by a tummer so that compressed air passing through the air nozzle can be injected for a predetermined time.

The jet port of the air nozzle is formed so as to face outward from the inside of the equipment so that the foreign substances accumulated on equipment parts mounted on the upper frame can be discharged to the outside of the equipment by injecting compressed air pressure.

According to the present invention having the above-described configuration, it is possible to easily remove dust and the like accumulated in the radiator room or the like by using the compressed air charged by the engine operation even in a workplace where the equipment can not be washed. As a result, the combustible dust and the like are removed, so that the cause of the ignition is blocked in advance, and the foreign matter such as the dust accumulated in the radiator is removed, thereby maintaining the cleanliness and preventing the cooling performance from being deteriorated.

1 is a schematic view of an endless track type excavator,
2 is a schematic view of a dust removing apparatus according to a preferred embodiment of the present invention,
FIG. 3 is a schematic configuration diagram of a dust removing apparatus according to a preferred embodiment of the present invention. FIG.
4 is a use state diagram of a dust removing apparatus according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a dust removing apparatus and a construction machine including the same according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a schematic view of a dust removing apparatus according to a preferred embodiment of the present invention, FIG. 3 is a schematic configuration diagram of a dust removing apparatus according to a preferred embodiment of the present invention, FIG. Fig. 2 is a view showing the state of use of the dust removing apparatus according to the embodiment of the present invention

2 to 4, a dust removing apparatus according to an embodiment of the present invention includes:

An air tank 21 mounted on the upper frame 20 and configured to fill and discharge compressed air,

A plurality of air nozzles 23 and 23a formed on an air hose 22 mounted on the upper frame 20 and communicating with the air tank 21 for jetting compressed air supplied through the air hose 22, )and,

A switch 24a provided in the cabin 24 mounted on the upper frame 20 for selecting whether the compressed air is injected through the air nozzles 23 and 23a,

Off valve 25 (for example, a solenoid for opening / closing the discharge port by a plunger which is switched in accordance with application of a control signal from outside may be used) to open / close the discharge port side of the air tank 21, Wow,

Is provided in an air nozzle (23a or 23b) formed at the most downstream side of the air hose (22), and the on / off type valve (23a or 23b) And an air pressure detecting means (26) for switching the air conditioner (25) to an ON state or an OFF state.

The air pressure detecting means (26)

Detects the compressed air pressure supplied to the most downstream air nozzle (23a or 23b) of the air hose (22)

When the detected compressed air pressure is higher than a predetermined pressure (for example, 5 bar), the on / off valve 25 is kept in the ON state,

And a pressure detection sensor for outputting a detection signal so that the on / off valve 25 can be turned off when the detected compressed air pressure is lower than a predetermined pressure (for example, 5 bar) .

The air pressure detecting means (26)

Side air nozzle 23a or 23b is opened or closed by the compressed air pressure supplied to the most downstream air nozzle 23a or 23b of the air hose 22 and the compressed air pressure supplied to the most downstream air nozzle 23a or 23b is set to a predetermined pressure 5 bar), the on / off valve 25 is kept in the ON state,

When the compressed air pressure supplied to the most downstream air nozzle 23a or 23b of the air hose 22 is lower than a predetermined pressure (for example, 5 bar) to maintain the closed state, the on / off valve 25) to the OFF state so that the control signal can be switched to the OFF state.

The air tank (21)

The engine air tank 21a is installed in the engine room 27 mounted on the upper frame 20 and is filled with the air pressure generated by the operation of the engine.

The air tank (21)

Is an air compressor air tank 21b mounted on the upper frame 20 and filled with air pressure generated by the operation of an air compressor (not shown).

The on-off valve 25

(Not shown) so as to inject compressed air passing through the air nozzles 23 and 23a for a predetermined period of time.

The injection port of the air nozzles 23 and 23a is formed in the inside of the equipment so that foreign substances accumulated in equipment parts (for example, a radiator room) mounted on the upper frame 20 can be discharged to the outside of the equipment by injecting compressed air pressure. As shown in Fig.

According to the above-described configuration, the dust removing apparatus according to the embodiment of the present invention includes a lower traveling body, an upper frame pivotably mounted on the lower traveling body, a cabin fixed to the upper frame, an engine room, (Shown in Fig. 1). The upper frame 20 includes a first frame 20a to which the cabin 24 is mounted, a second frame 20b to which the boom is connected, and a third frame 20c to which the hydraulic tank is mounted.

The air pressure generated by the operation of the engine (not shown) is charged into the engine air tank 21a. In the equipment in which the engine air tank 21a is not provided, the air pressure generated by the operation of the air compressor (not shown) mounted on the upper frame 20 is filled in the air compressor air tank 21b.

At this time, the configuration in which the air pressure generated by the engine operation is charged in the engine air tank 21a or the air pressure generated by the operation of the air compressor is charged in the air compressor air tank 21b, And the detailed description thereof will be omitted.

Therefore, it is possible to remove combustible foreign substances such as dust accumulated in equipment parts mounted on the upper frame 20 by injecting compressed air pressure discharged from the engine air tank 21a.

That is, the driver operates the switch 24a provided in the cabin 24 to switch the on / off valve 25 provided on the discharge port side of the engine air tank 21a to the ON state. The compressed air charged in the engine air tank 21a is guided to the parts (for example, the radiator room 27a, the air cleaner room 27a, (Refer to the tool box 27b, the tool box 28, and the like), and are simultaneously injected through the air nozzles 23 and 23a fixed to the air hose 22. [

The engine hood 27c and the left and right side doors 29 of the engine compartment 27 are connected to each other so that dust or the like can be discharged to the outside by the compressed air injected by the air nozzles 23, Is opened before the compressed air is injected.

When a driver operates the switch 24a in the cabin 24 in a workplace where car wash can not be performed to remove foreign substances such as dust accumulated on the equipment parts, Type valve 25 is switched to the open state. Accordingly, the dust and the like accumulated in the radiator room 27a and the like can be easily removed by the compressed air injected through the air nozzles 23 and 23a.

In addition, since the ejection openings of the air nozzles 23 and 23a are formed so as to face outward from the inside of the equipment, foreign substances such as dust are ejected from the outside of the equipment by the compressed air ejected through the ejection openings of the air nozzles 23 and 23a So that it can be effectively removed.

On the other hand, foreign matter such as dust can be removed by injecting air having the same pressure through the air nozzles 23 and 23a. The air pressure supplied to the air nozzle 23a is detected by the pressure detecting means 26 provided on the air nozzle 23a provided at the most downstream side of the air hose 22. [ At this time, when the detected air pressure is higher than a preset pressure (for example, 5 Bar), the operation of removing dust or the like is continued by the air pressure injected through the air nozzles 23 and 23a.

On the other hand, when the air pressure supplied to the air nozzle 23a detected by the pressure detecting means 26 is lower than a predetermined pressure (for example, 5 Bar), the air pressure is supplied to the discharge port side of the engine air tank 21a The on-off valve 25 is switched to the OFF state to shut off the air pressure discharge from the engine air tank 21a.

At this time, when the air pressure generated by the engine operation is recharged to the engine air tank 21a and air pressure exceeding the set pressure is supplied to the most downstream air nozzle 23a, the switch 24a in the cabin 24 is operated Off valve 25 is switched to the ON state, the operation of removing dust or the like due to the air pressure injected through the air nozzles 23 and 23a can be restarted.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit and scope of the invention as defined in the appended claims. And changes may be made without departing from the spirit and scope of the invention.

20; Upper frame
21; Air tank
22; Air hose
23.23a; Air nozzle
24; Cabin
25; On-off valve
26; The air-

Claims (8)

An air tank formed to be capable of filling and discharging compressed air;
A plurality of air nozzles formed on an air hose mounted on the upper frame and communicating with the air tank, for spraying compressed air supplied through the air hose;
A switch for selecting whether to inject compressed air through the air nozzles;
An on-off valve installed to open and close the discharge port side of the air tank;
And an air pressure regulator provided in an air nozzle formed at the most downstream side of the air hose and capable of switching the on / off type valve to an on state or an off state in accordance with the high and low of the compressed air pressure supplied to the most downstream air nozzle And a detection means for detecting the dust. The air conditioner according to claim 1, wherein the air pressure detecting means
Side air nozzle, the compressed air pressure being supplied to the most downstream-side air nozzle,
When the detected compressed air pressure is higher than a predetermined pressure, the on-off valve is maintained in the ON state,
And a pressure detection sensor which outputs a detection signal so that the on-off valve can be switched to the off state when the detected compressed air pressure is lower than a preset pressure. The air conditioner according to claim 1, wherein the air pressure detecting means
Side air nozzle is opened and closed by the compressed air pressure supplied to the most downstream air nozzle, and when the compressed air pressure supplied to the most downstream air nozzle is higher than a predetermined pressure and is switched to the open state, the on- However,
And a check valve for outputting a control signal to switch the on / off type valve to the off state when the compressed air pressure supplied to the most downstream air nozzle is lower than a preset pressure and the closed state is maintained . The air conditioner according to claim 1, wherein the air tank
And an engine air tank installed in the engine room mounted on the upper frame and filled with the air pressure generated by the operation of the engine. The air conditioner according to claim 1, wherein the air tank
And an air compressor air tank mounted on the upper frame and filled with the air pressure generated by the operation of the air compressor. The on-off valve according to claim 1, wherein the on-off valve
Wherein the dust removing device is operated by a tummer so as to inject compressed air passing through the air nozzle for a predetermined time. The apparatus according to claim 1, wherein an injection port of the air nozzle is formed so as to be directed outward from the inside of the equipment so that foreign matter accumulated on equipment parts mounted on the upper frame can be removed to the outside of the equipment by injecting compressed air pressure . A lower traveling body;
An upper frame rotatably mounted on the lower traveling body;
A cabin, an engine compartment and a working device mounted on the upper frame;
An air tank for filling the compressed air generated by the engine operation;
An on-off valve installed to open and close the discharge port side of the air tank;
A plurality of air nozzles formed on an air hose mounted on the upper frame and communicating with the air tank, for spraying compressed air supplied through the air hose;
A switch for selecting whether to inject compressed air through the air nozzles;
And an air pressure regulator provided in an air nozzle formed at the most downstream side of the air hose and capable of switching the on / off type valve to an on state or an off state in accordance with the high and low of the compressed air pressure supplied to the most downstream air nozzle Wherein the dust removing device comprises a dust removing device.
KR1020120136210A 2012-11-28 2012-11-28 dust removing device and construction machine KR20140070862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120136210A KR20140070862A (en) 2012-11-28 2012-11-28 dust removing device and construction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120136210A KR20140070862A (en) 2012-11-28 2012-11-28 dust removing device and construction machine

Publications (1)

Publication Number Publication Date
KR20140070862A true KR20140070862A (en) 2014-06-11

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KR1020120136210A KR20140070862A (en) 2012-11-28 2012-11-28 dust removing device and construction machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592675A (en) * 2016-11-23 2017-04-26 西安工程大学 Dust collecting device used for excavator
KR102305507B1 (en) * 2020-06-23 2021-09-27 김태영 Bus with non-motorized door opening and closing and disinfection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592675A (en) * 2016-11-23 2017-04-26 西安工程大学 Dust collecting device used for excavator
KR102305507B1 (en) * 2020-06-23 2021-09-27 김태영 Bus with non-motorized door opening and closing and disinfection

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