JPS5917097A - Portable type generation set - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a portable power generation device integrally equipped with an engine and a generator driven by the engine, and particularly to a cover structure that covers the engine and generator.

Among this type of power generation apparatus, a covered type is known in which the engine and generator are covered with a cover to prevent noise. However, if the engine or generator is simply covered with a cover, although noise can be prevented, there will be problems such as the ease of maintenance and inspection of the engine etc. will be significantly impaired.

The present invention was made based on these circumstances, and
The purpose is not only to simplify the cover structure, but also to make it easy to disassemble and reassemble, and when the cover half is removed from the component, parts such as the engine on the component will be exposed three-dimensionally. The present invention aims to provide a portable power generation device that can be easily maintained.

That is, in the present invention, a cover that covers an engine and a generator arranged side by side on a structure is constructed by a pair of cover halves divided into two that can be moved into and out of contact with each other, and each cover half has an upper end portion thereof. It integrally has a top plate part that covers the upper part of the engine and the generator, and integrally has side plate parts that cover the sides of the engine and the generator on both sides continuous to the upper end part,
The top plate part and the side plate part of each of these cover halves are designed to abut against each other in a state where the cover halves abut each other, thereby achieving the above first objective.

The present invention will be explained below based on an embodiment shown in the drawings.

In the figure, numeral 1 is a bottom plate as a structural member, which is made of a pressed product such as a steel plate. A forced air-cooled engine 2 is rubber mounted approximately in the center of the bottom plate 1. The cylinder block 2& and cylinder head 2b of this engine 2 are
Air shroud 3 that constitutes an air duct around these
and is covered by a fan case 4.

A cooling fan 5 driven by a crankshaft 2C is housed in the fan case 4.

This cooling fan 5 takes in outside air from a cooling air intake 6 and blows it into the fan case 4 and air shroud 3. After this outside air is forced to cool the engine 2, it is It is guided to the discharge lower of the shroud 3. The cooling air that has cooled the engine 2 further cools the muffler 23 of the engine 2. That is, silencer 2
3 is an exhaust boat 21 of the engine 2 via an exhaust pipe 23a.
b, and a protector 24 surrounds this silencer 23.
covered by. This protector 24 and silencer 2
A space (not shown) is formed between the protector 24 and the engine cooling air from the discharge lower 24 through an opening (not shown) formed in the protector 24. After this cooling air forcibly cools the muffler 23, it is guided to the through hole 27 from which the tail vibe 26 of the muffler 23 is led out. Reference numeral 8 denotes a generator, and the drive shaft 12 of the generator 8 is connected to the crankshaft 2c of the engine 2 to form a unit with the engine 2, and the generator 8 is rubber-mounted on the pressure plate 1 together with the engine 2. There is. Therefore, the muffler 23 is located just above the generator 8. The generator 8 has a stator 11 sandwiched between a front frame 9 and a rear frame 10 that are connected to the crankshaft 2d of the engine 2.
A rotor (not shown) driven by a drive shaft 12 is provided at the center of the rotor 1.

A generator cooling fan 1 is attached to the drive shaft 12 of the generator 8.
3 is fixed. This fan 13 sucks outside air from a suction port (not shown) provided in the front frame 9,
Air is forcedly blown between the stator 1 and the rotor, and this outside air is forced to air-cool the generator 8 and then guided to the exhaust port 14 of the rear frame 10.

Further, a fuel tank 15 is installed on the bottom plate 1 on the other side of the engine 2. The fuel tank 15 is made of synthetic resin, and has an injection port 16 extending upwardly on its upper surface.
has been set up.

A carburetor 17 is provided between the fuel tank 15 and the upper part of the fan case 4, and the carburetor 17 is connected to the fuel tank 15 through a cock 18 and a pump 19.

The carburetor 17 is connected to the intake boat 21aVC of the engine 2 through the intake manifold 2θ, and an air cleaner 22 is connected to the carburetor 17.

However, the engine 2 and generator 8 arranged in this way
Other types of parts are integrally covered by a cover 28. The cover 28 is made of an aluminum casting, and is constructed by vertically dividing a front cover 29 and a rear cover 30 into two, which are separably abutted against each other. These double power bars 2
As shown in Figures 5 and 6, 9゜30 has a top plate part 31゜32 that covers one of the various parts mentioned above at its upper end, and various parts on both sides connected to this upper end. Side plate parts JJa, 33b and J4a that cover both sides of
, J4b have it integrally. 1GiJ i cover 29 and rear cover 30 are tightened with screws 35 at several places at the rear of the lower ends of each, and at multiple places between top plate parts 31 and 32 as shown in FIG. are similarly fixed on the bottom plate 1 by tightening them with screws 36, and in this state, the top plate portions 31, 32 and side plate portions 33a, 33b.

The mutually opposing edges of 3.4 m and 34b are abutted against each other. A notch 37a through which the inlet 16 of the fuel tank 15 is inserted is provided in the abutting portion of the top plate portion 31,32.
, 37b are formed, and these notches 37a, 37
b is fitted into a groove 38 formed on the outer peripheral surface of the upper end of the injection port 16. Therefore, the fuel tank 15 is not supported on the bottom plate J, but as shown in FIG. It is positioned and fixed by sandwiching it between the front cover 29 and the rear cover 30 via fixing members 39, 39 such as rubber.

At the center of the front of the front cover 29 is a generator cooling air intake port 40.
... are opened, and these suction ports 4o... are opposed to the suction ports of the front frame 9. Further, an engine cooling air intake port 41 is provided in the rear cover 30, and the intake port 4 is opposed to the cooling air intake port 6 of the fan case 4. Openings 42 and 43 are vertically spaced apart from each other in the side plate portion 34a of the rear cover 30 on the generator 8 side. These openings 42°43
As shown in FIG. 5, members 44 and 45 are caulked from the inside of the rear cover 30, and the upper member 44 has an exhaust port 46 and a cooling air outlet 47... In addition, a generator cooling air suction port 48 is provided in the lower member 45. Therefore, the exhaust port 46 and each air outlet 47...
.

48... will be heated by the engine exhaust and cooling air discharged from here, but member 44...
．． 45 itself is separate from the rear cover 30.
Since there is a contact surface between the cover 28 and the cover 28, a heat transfer resistance occurs there, and as a result, the heat is difficult to be transmitted to the entire cover 28, and an overall temperature rise of the cover 28 is prevented.

Furthermore, brackets 49 and 49 are attached to the upper portions of the side plate portions 33a and 33b of the front cover 29, and these brackets 49 and 49 are
9.49, both ends of the handle 51 are pivotally supported via a pivot 50°50. The handle 51 rotates between a set position where it protrudes above the cover 28 as shown in FIG. It is possible to move.

The front cover 29 has a control box 53 and a box 54 equipped with various indicator lamps.
Both boxes 53 and 54 are attached to the front cover 29.
is facing the front.

However, according to such a power generation device, screw 3
If you remove 5... and 36..., the front cover 29
And the rear cover 30 can be removed from the bottom plate 1 between the front and rear. Moreover, in this case, these double force bars 29
．． 30 was disassembled, the top plate portion 31. was formed integrally with the 1-car cover 29.30. , 32, and side plate portion 33m, 3
3b, 34a, and 34b are also disassembled, so that the periphery of each component such as the engine 2 on the bottom plate 1 is opened not only on one side but also on the sides and upwards, that is, three-dimensionally.

Therefore, the various parts inside the cover 28 can be easily maintained, inspected, maintained, replaced, etc., and maintainability is good despite being a covered type.

In addition, in this embodiment, the cover 28 is made of an aluminum cast product, so it has better soundproofing performance and cover than a press-formed product such as a steel plate.
The cooling performance of 28 itself is improved. Furthermore, since the bottom plate 1 is made of a steel plate, it has the advantage of being strong and resistant to damage even if dropped accidentally.

Note that the cover according to the present invention is not limited to an aluminum cast product, and may be a press-formed product such as a steel plate.

The present invention described in detail above includes a cover that covers the periphery of an engine, a generator, etc. that are arranged in parallel on a structure.

It is composed of a pair of cover halves that are divided into two parts and are abutted against each other, and each cover half has a top plate part that covers the top of the engine or generator, and a side plate part that covers the sides. The top plate and side plates are made to abut against each other, so when the cover half is removed from the structure, the top plate and side plates are also disassembled at the same time. The surroundings of various parts such as the engine are opened not only on one side but also on the sides and upwards, making maintenance, inspection, replacement, repair, etc. easy.Therefore, even though it is a covered type, work can be done easily. Same gender.

In addition, the top plate and side plates are integrated with the cover halves and can be attached to and removed from the structure in which the engine and generator are installed side by side, making it easy to disassemble and reassemble the entire cover, and with fewer parts. This has the advantage of simplifying the overall cover structure.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is an exploded perspective view;
Figure 2 is a front view of the inside of the cover, Figures 3 and 4 are side views, Figure 5 is a perspective view of the front cover, Figure 6 is a perspective view of the rear cover, and Figure 7 is a cross-sectional view. . 1... Constituent, 2... Engine, 8... Generator,
28...Cover, 29.30...Cover half piece (front cover, rear cover), 31.32...Top plate part, 33
h, 33b, 34m, 34b = side plate portion. Applicant's agent Patent attorney Takehiko Suzue Figure 3 + Figure 4 j) 1

Claims (1)

[Claims] A portable valve kicking device in which an engine and a generator driven by the engine are arranged side by side on a component, and the engine and the motor are covered with a cover that is removably attached to the component, The above-mentioned cover is composed of a pair of cover halves that are divided into two parts and are brought into contact with each other so that they can be moved in and out, and each of the cover halves has a top plate part that extends above the engine and the generator at its upper end. , integrally has side plate parts that cover the sides of the engine and generator on both sides connected to this upper end part, and the top plate part and side plate part of each cover half abut each other when the cover halves are abutted. A portable power generation device characterized by: