JPH025897B2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a soundproof engine working machine.

(Prior art) In a soundproof engine working machine in which a working machine such as an engine and a generator is covered with a soundproof case, it is common practice to open a door provided in the soundproof case to cool the engine. −13003 Publication,
It is disclosed in Publication No. 52-23654.

(Problems to be solved by the invention) By the way, engine working machines installed outdoors,
For example, in the case of a generator installed on the street as an emergency power source, the installation space is small;
It is required to have a structure that prevents rain and wind from entering when the vehicle is not in operation, and a structure that protects internal equipment from mischief by passersby when the vehicle is operated with the door open.

In Japanese Patent Application No. 58-128764, the present applicant placed an engine in the lower part of a soundproof case and a generator in the upper part, and connected the engine output shaft and the generator input shaft via a transmission device. We proposed a motor generator consisting of: According to this, since the engine and generator are arranged above and below, the bottom area of the aircraft is reduced, which reduces the installation space.Also, by closing the door installed in the soundproof case, it is possible to prevent rain and wind from entering. , No measures have been taken to protect against mischief while driving with the door open.

SUMMARY OF THE INVENTION An object of the present invention is to provide a soundproof engine-powered working machine that requires a small installation space, can prevent rain and wind from entering when not in operation, and is also equipped with a structure to protect internal equipment from mischief during operation. .

(Means for Solving the Problems) Therefore, the present invention stores the engine 31 in the lower part of the soundproof case 1 and the working machine 41 in the upper part, and connects the engine output shaft 34 and the working machine input shaft 42 to the transmission device 7.
1, 72, and 73, the soundproof case 1 is provided with independently openable and closable doors consisting of at least upper doors 11, 13 and lower doors 12, 14 on both the front and rear surfaces of the soundproof case 1, and both lower doors. It is characterized in that wire mesh doors 15, 17 are provided inside the doors 12, 14 so as to be openable and closable.

Specifically, the operation is performed with both lower doors 12 and 14 open and both upper doors 11 and 13 and both wire mesh doors 15 and 17 closed.

(Embodiment) A preferred embodiment of the present invention will be described below in detail with reference to the accompanying drawings.

2 to 7 are perspective views of a soundproof engine working machine embodying the present invention, in which the soundproof case 1 forms a vertically long rectangular parallelepiped, and includes a lower plate portion 3, an upper plate portion 4, left and right side plate portions 5, On the front of the case body 2 consisting of 6, there are an upper door 11 and a lower door 12 which are hinged at one side edge and can be opened and closed, and on the back side there are also an upper door 13 and a lower door 14.
Provided so that it can be opened and closed freely. Here, both lower doors 12, 14
is formed to be longer than both upper doors 11 and 13 in order to cover more than the lower half of the front and back sides of the case body 2.

Furthermore, there are wire mesh doors 15, 17 inside the lower doors 12, 14.
Similarly, the six doors can be opened and closed freely, and the above six doors can be locked and unlocked using a locking device. In particular, in the structure of the embodiment, as is clear from the drawings, the lower door 12,
By having a structure in which the upper doors 11, 13 and the wire mesh doors 15, 17 are held down by the lower doors 12, 14,
All six doors are locked with a chisel lock.

The inside of the case body 2 is divided into upper and lower parts by a bed 21, an internal combustion engine 31 is placed in the bed 21, a generator 41 as a working machine is placed on the bed 21, and fuel is placed on the side of the generator 41. A tank 61 is placed.

Specifically, the bed 21 is supported via mounting rubber at approximately the center in the vertical direction of the side plates 5 and 6 of the case body 2, the engine 31 is suspended and supported on the bed 21, and the engine 31 is mounted on the bed 21. A generator 41 is mounted directly above the generator. The engine 31 is of a recoil starter type, with a recoil starter section 33 arranged on the front side of the case 1, an output shaft 34 of the engine 31 and an input shaft 42 of the generator 41 arranged on the back side of the case 1, and both shafts 34, 42 Belt 71 and pulley 7
They are interlocked by a transmission consisting of 2,73 parts. In the figure, 74 is a tension roller.

Further, the engine 31 has a cylinder 32 inclined to one side, and a carburetor (not shown) and an air cleaner 3 on the front side of the case 1 with respect to the cylinder 32.
6, an exhaust pipe 37 is arranged from the cylinder 32 to the back side of the case 1, and a muffler 38 is arranged on the back side of the case 1 in the space below the inclined cylinder 32.
A lever 30 for controlling stop, start, and operation of the engine 31 is made to face a horizontally elongated window 23 of a vertical piece 22 formed on the front side of the bed 21. 24 in the figure is an oil warning light.

Furthermore, a control box 51 is arranged in the space above the generator 41. control box 5
The input cord 49 from the generator 41 is connected to the back side of the 1, and the dedicated output terminal 5 provided on the back plate 52.
A dedicated output cord 54 is connected to the case 3, and the dedicated output cord 54 is led out from a drawer section provided on the case lower plate section 3. Also control box 51
A general-purpose output terminal, that is, a power outlet 56 is provided on the front plate 55 of the main body, and a display section 58 for displaying a frequency indicator, time, etc. is also provided.

A fuel tank 61 is housed in a side space of the generator 41 and the control box 51 above it so as to be freely drawn out in a cartridge manner.

In the above, the front wire mesh door 15 is provided with a recess 16 close to the intake surface of the air cleaner 36, and in the embodiment, this recess 16 is integrated with the door frame.
It has a large number of slits 16a. Further, a protector plate 18 for protecting the belt 71, pulley 72, and tension roller 74 is attached to the wire mesh door 17 on the back side, and an exhaust window 19 is provided at a portion facing the exhaust port of the muffler 38.

In this way, the generator is housed in the soundproof case 1, and the brackets 7, 7 on the case side plate 6 are fixed to a telephone pole with metal bands, or installed on a special post, so that it can be installed outdoors at a relatively high place. It is used as a power generator for signal lights in emergencies.

Since the engine 31 is placed at the bottom and the generator 41 is placed at the top, the bottom area of the aircraft is small.In addition, in the embodiment, the engine 31 is placed with the cylinder 32 inclined, so the overall height of the aircraft is low. In addition, the mounting density can be improved and the aircraft body can be configured compactly.

Furthermore, when operating such a generator, the conditions shown in Figures 6 and 7 are
As shown in FIG. 1, which shows a diagram and a longitudinal side view, the process is carried out with both upper doors 11 and 13 closed, both lower doors 12 and 14 opened, and both wire mesh doors 15 and 17 closed. Open the front and lower lower doors 12 and 14 in this way, and then open the wire mesh door 1.
5 and 17 are closed, the inside of the soundproof case 1 is cooled by cold air from the wire mesh doors 15 and 17.
Heat is not trapped, so the engine 31 can be cooled and the internal equipment can be protected from tampering.

In addition, both lower doors 12 and 14 are closed when not in operation, and upper and lower doors 11, 12, 13, and 14 are sealed.
Intrusion of rain and wind into the soundproof case 1 can be reliably prevented.

On the other hand, maintenance of the internal equipment can be easily performed by opening the wire mesh doors 15, 17 and the upper doors 11, 13.

By the way, in the embodiment, a soundproof type engine generator was used, but the present invention is also effective for other soundproof type engine working machines. It is also possible to further divide the upper door.

(Effects of the Invention) As described above, according to the soundproof engine working machine of the present invention, the soundproof case, in which the engine is housed in the lower part and the working machine is housed in the upper part, has an independent structure consisting of at least a lower door and an upper door on both the front and rear sides. In addition to providing a door that can be opened and closed, a wire mesh door that can be opened and closed is also provided on the inside of both lower doors, so that the open area formed by the lower doors, which can be opened during operation, can be closed by closing both wire mesh doors. This improves the practicality of a soundproof engine-operated machine that can be installed outdoors, as it can protect the internal equipment as well as provide cooling, requires a small installation space, and prevents rain and wind from entering when not in operation.

[Brief explanation of drawings]

Figure 1 is a longitudinal side view of the soundproof case in operation, Figure 2 is an external view of the soundproof case, Figure 3 is a front view with the lower door and wire mesh door open, and Figure 4 is the upper door also opened. Fig. 5 is a rear view with the upper and lower doors and wire mesh door open, Fig. 6 is a perspective view from the front showing the operating state, and Fig. 7 is a perspective view from the rear side of the same. It is. In addition, in the drawing, 1 is a soundproof case, 11 and 13 are upper doors, 12 and 14 are lower doors, 15 and 17 are wire mesh doors,
21 is the bed, 31 is the engine, 34 is the output shaft,
41 is a working machine, 42 is an input shaft, 51 is a control box, 61 is a fuel tank, 71, 72, 7
3 is a transmission device.

Claims (1)

[Claims] 1. In a soundproof engine working machine in which the engine is housed in the lower part of the soundproof case, the work machine is housed in the upper part, and the engine output shaft and the work machine input shaft are connected via a transmission device, at least A soundproof engine working machine characterized by having a door consisting of a door and an upper door that can be opened and closed independently, and a wire mesh door that can be opened and closed inside both lower doors.