CN208294604U - A kind of novel excavator exhaust silencer - Google Patents

Abstract

The utility model discloses a kind of novel excavator exhaust silencers, including first shell and second shell, acoustic damping materials are equipped between the first shell and second shell, the first shell end is equipped with intake noise reduction pipe, the intake noise reduction tube end is equipped with flange plate, the first shell end is equipped with gas-discharging silencing tube, the second shell medial end is set there are four reinforcing rib, the first cavity is equipped with inside the second shell, second cavity and third cavity, second inside cavity is equipped with two the first intermediate hush tubes and two the second intermediate hush tubes side by side arranged side by side, multiple through-holes are equipped on the intermediate hush tube of described first and the second centre noise elimination tube wall, the first shell is equipped with thermobarometer, the thermobarometer is equipped with alarm device.The utility model compared with prior art the advantages of be: occupy little space, silencer hull-skin temperature can be reduced, have good noise reduction sound effective value.

Description

A kind of novel excavator exhaust silencer

Technical field

The utility model relates to exhaust silencer technical field, in particular to a kind of novel excavator exhaust silencers.

Background technique

Silencer is a kind of device for preventing sound transmission and air-flow being allowed to pass through, and is the weight for eliminating air power noise Measure is wanted, silencer is mounted in the device of the reduction noise on the airflow channel of air powered equipment or in inlet and exhaust system, Silencer can stop the propagation of sound wave, and air-flow is allowed to pass through, and be the effective tool for controlling noise, the diesel oil hair that excavator uses Motivation is since it needs biggish power output so noise is huge, and not only influence operator operation, also gives ambient enviroment band Carry out sound pollution, so the diesel engine that excavator uses must cooperate silencer to use, excavator diesel engine upper space It is small, need to design the exhaust silencer to occupy little space, excavator exhausting silencer in the prior art according to narrow space Device is mostly single hull structure and case material is common material, will cause the excessively high and easy damage of silencer hull-skin temperature in this way It is bad, and existing exhaust silencer can not be solved in time, therefore when something goes wrong without alarm device in exhaust silencer It needs to make the prior art improvement.

Utility model content

The purpose of the utility model is to overcome above technological deficiencies, provide one kind and occupy little space, and can reduce noise elimination Device hull-skin temperature, the novel excavator exhaust silencer with good noise reduction sound effective value.

In order to solve the above technical problems, technical solution provided by the utility model are as follows: the novel excavator exhaust of one kind disappears Sound device, including first shell and second shell, the first shell and second shell nested encryptions, the second shell position Inside first shell, acoustic damping materials are equipped between the first shell and second shell, the first shell both ends are equal Equipped with integrally formed crimping, the first shell end is equipped with integrally formed intake noise reduction pipe, the intake noise reduction Pipe is equipped with integrally formed flange plate in the end far from first shell, and the flange plate is equipped with nut bore, and described the One shell is equipped with integrally formed gas-discharging silencing tube in the end far from intake noise reduction pipe, and the second shell medial end is set There are four reinforcing rib, it is equipped with the first cavity of connection intake noise reduction pipe inside the second shell, in the second shell Portion and the first cavity adjacent are equipped with the second cavity, and the third chamber of connection gas-discharging silencing tube is equipped with inside the second shell Body, second inside cavity are equipped with two the first intermediate hush tubes arranged side by side, there are two second inside cavity is set It is equipped on the intermediate hush tube of second side by side, the intermediate hush tube of described first and the second centre noise elimination tube wall multiple logical Hole, the first shell are equipped with thermobarometer, and the thermobarometer is equipped with alarm device.

The utility model compared with prior art the advantages of be: the utility model is used using double-layer shell structure, can To reduce silencer hull-skin temperature, the use of acoustic damping materials makes exhaust silencer have good noise reduction sound effect between shell Fruit, first shell end are equipped with crimping, in this way can be safer when in use, and the edge of exhaust silencer is not easy to be worn, Multiple through-holes are equipped on first intermediate hush tube and the second centre noise elimination tube wall, under the throttling action of multiple through-holes, respectively Cavity plays the role of storing gas pressure accumulation, and air-flow is just transformed into more stable low speed flow, has achieved the purpose that reduce noise, temperature and pressure The setting of table and alarm device is convenient for understanding the temperature and pressure on exhaust silencer surface, and according to alarm device in time to exhausting silencer Device is handled.

The first shell and second shell is all made of novel aluminising plate material.

The outer surface of the first shell and the medial surface of second shell are coated with high temperature resistant paint.

The acoustic damping materials are using high-performance damping material, excellent noise reduction effect.

The gas-discharging silencing tube is located at the tube body inside second shell equipped with multiple through-holes, can achieve reduction noise Purpose.

The first shell is circular tube structure, is occupied little space in this way.

Detailed description of the invention

Fig. 1 is a kind of schematic view of the front view of novel excavator exhaust silencer of the utility model.

Fig. 2 is a kind of side structure schematic view of novel excavator exhaust silencer of the utility model.

Fig. 3 is a kind of overlooking structure diagram of novel excavator exhaust silencer of the utility model.

It is as shown in the figure: 1, first shell, 2, second shell, 3, acoustic damping materials, 4, crimping, 5, intake noise reduction pipe, 6, flange Piece, 7, nut bore, 8, gas-discharging silencing tube, 9, reinforcing rib, the 10, first cavity, the 11, second cavity, 12, third cavity, 13, first Intermediate hush tube, the 14, second intermediate hush tube, 15, thermobarometer, 16, alarm device.

Specific embodiment

The following describes the utility model in further detail with reference to the accompanying drawings.

A kind of novel excavator exhaust silencer, including first shell 1 and second shell 2, the first shell 1 with 2 nested encryptions of second shell, the second shell 2 are located inside first shell 1, the first shell 1 and second shell 2 Between be equipped with acoustic damping materials 3,1 both ends of first shell are equipped with integrally formed crimping 4,1 end of first shell Portion be equipped with integrally formed intake noise reduction pipe 5, the intake noise reduction pipe 5 far from first shell 1 end be equipped with one at The flange plate 6 of type, the flange plate 6 are equipped with nut bore 7, and the first shell 1 is in the end far from intake noise reduction pipe 5 Equipped with integrally formed gas-discharging silencing tube 8,2 medial end of second shell is set there are four reinforcing rib 9, the second shell The first cavity 10 of connection intake noise reduction pipe 5,2 inside of second shell and 10 adjacent of the first cavity are equipped with inside body 2 Equipped with the second cavity 11, inside the second shell 2 be equipped with connection gas-discharging silencing tube 8 third cavity 12, described second It is equipped with two the first intermediate hush tubes 13 arranged side by side inside cavity 11, sets that there are two the side by side inside second cavity 11 Two intermediate hush tubes 14 are equipped with multiple through-holes on the intermediate hush tube 13 of described first and the second intermediate 14 tube wall of hush tube, The first shell 1 is equipped with thermobarometer 15, and the thermobarometer 15 is equipped with alarm device 16.

The first shell 1 and second shell 2 is all made of novel aluminising plate material.

The outer surface of the first shell 1 and the medial surface of second shell 2 are coated with high temperature resistant paint.

The acoustic damping materials 3 are using high-performance damping material.

The gas-discharging silencing tube 8 is located at the tube body inside second shell 2 equipped with multiple through-holes.

Exhaust silencer is mounted on excavator in the specific implementation, by the nut bore on flange plate by the utility model On, the gas and noise generated when excavator starts enters exhaust silencer, gas by the intake noise reduction pipe on exhaust silencer Body enters the first intermediate hush tube and the second intermediate hush tube after flowing through the first cavity, gas by the first intermediate hush tube and Through-hole on second intermediate hush tube stores gas pressure accumulation in the second cavity, subsequently into third cavity, and passes through gas-discharging silencing tube Through-hole enter gas-discharging silencing tube discharge outside, when exhaust silencer case temperature and pressure on thermobarometer more than a fixed number When value, the alarm device on thermobarometer can sound, and user can according to the actual situation check exhaust silencer, and carry out Corresponding processing.

The utility model and embodiments thereof are described above, this description is no restricted, shown in attached drawing Be also one of the embodiments of the present invention, actual structure is not limited to this.All in all if this field Those of ordinary skill is enlightened by it, without deviating from the purpose of the present invention, not inventively design with The similar frame mode of the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (6)

1. a kind of novel excavator exhaust silencer, it is characterised in that: described including first shell (1) and second shell (2) First shell (1) and second shell (2) nested encryptions, the second shell (2) is located inside first shell (1), described First shell (1) and second shell (2) between be equipped with acoustic damping materials (3), the first shell (1) both ends are equipped with one Molding crimping (4), the first shell (1) end are equipped with integrally formed intake noise reduction pipe (5), the intake noise reduction It manages (5) and is equipped with integrally formed flange plate (6) in the end far from first shell (1), the flange plate (6) is equipped with nut Hole (7), the first shell (1) are equipped with integrally formed gas-discharging silencing tube (8) in the end far from intake noise reduction pipe (5), Described second shell (2) medial end is set there are four reinforcing rib (9), and the second shell (2) is internal to be equipped with connection air inlet The first cavity (10) of hush tube (5), the second shell (2) is internal to be equipped with the second cavity with the first cavity (10) adjacent (11), the third cavity (12) of connection gas-discharging silencing tube (8), second cavity are equipped with inside the second shell (2) (11) internal be equipped with two the first intermediate hush tubes (13) arranged side by side, set that there are two side by side inside second cavity (11) It is equipped on second intermediate hush tube (14), the intermediate hush tube of described first (13) and the second intermediate hush tube (14) tube wall more A through-hole, the first shell (1) are equipped with thermobarometer (15), and the thermobarometer (15) is equipped with alarm device (16).

2. the novel excavator exhaust silencer of one kind according to claim 1, it is characterised in that: the first shell (1) and second shell (2) is all made of novel aluminising plate material.

3. the novel excavator exhaust silencer of one kind according to claim 1, it is characterised in that: the first shell (1) medial surface of outer surface and second shell (2) is coated with high temperature resistant paint.

4. the novel excavator exhaust silencer of one kind according to claim 1, it is characterised in that: the acoustic damping materials (3) using high-performance damping material.

5. the novel excavator exhaust silencer of one kind according to claim 1, it is characterised in that: the exhausting silencer Pipe (8) is located at the internal tube body of second shell (2) and is equipped with multiple through-holes.

6. the novel excavator exhaust silencer of one kind according to claim 1, it is characterised in that: the first shell It (1) is circular tube structure.