JP2000274746A - Method for taking out engine from outdoor machine of air-conditioning - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily pull out an engine from the floor side of a casing body. SOLUTION: In a device wherein an engine is mounted on a bottom plate 2m of a casing body through a mounting part 70, a screw hole 70n in a vertical direction is formed in a mounting piece 70b of a mounting part 70, a bolt 80c is screwed in through a through-hole 80b formed in a base plate 80a of a caster 80 and the mounting part 70 is replaced with a caster 80.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of an air conditioner such as a heat pump type air conditioner, and more particularly to a method of removing an engine.

[0002]

2. Description of the Related Art Conventionally, an outdoor unit of a heat pump type air conditioner has a heat exchanger room in which a heat exchanger (condenser, engine radiator) and a blower are housed above.
An engine room accommodating a diesel engine and a compressor is formed below. A control device room is provided next to the engine room with a partition plate therebetween.

[0003] A compressor is mounted on the engine, and the compressor is driven by the engine. The engine is relatively heavy because the compressor is mounted or has a heat dissipating member or the like, and is usually screwed on the base plate of the box via anti-vibration rubber.

[0004]

In this type of outdoor unit for air conditioning, it is necessary to take out the engine from the box and perform maintenance, or to repair the engine due to a failure of the engine or the like. Is large, and the heat exchanger room above the engine room is in the way, so the unit must be disassembled and removed using a forklift, crane, or other transporter. We needed human resources.

[0005] The present invention has been made to solve the above-mentioned problems, and it is possible to take out or mount an engine without requiring a transporter or a large number of workers.

[0006]

According to the first aspect of the present invention, a vertical screw hole is formed in a mounting portion for mounting the engine on the floor side, and a bolt mounted on a caster is screwed into this hole. Then, the load of the mounting portion is changed to the casters, and the engine is slid and pulled out.

According to a second aspect of the present invention, the caster includes:
It consists of a horizontal base plate with wheels, and this through-hole for mounting the bolt is provided in this base plate.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. Embodiment 1 FIG. 1 to 4, an outdoor unit 1 is shown in FIGS. 1 and 2, in which a partition plate 3 is suspended horizontally in the middle of a box 2, and an engine radiator 4, a condenser 4m and the like are arranged above the partition plate 3. A heat exchanger room 5 is provided, and an engine room 6 is provided below.

The heat exchanger room 5 is provided with an engine radiator 4 on the left side, a condenser 4 m in front and rear, and two blowers 7 on the upper surface. To make a flow as shown by arrow A.
An exhaust pipe 10 of an engine 16 is disposed in the heat exchanger room 5 in a vertical direction, and a tip of the exhaust pipe 10 reaches an upper portion of the outdoor unit 1, and exhaust gas from the engine 16 is discharged to the outside of the outdoor unit. .

Further, the heat exchanger room 5 has the horizontal partition plate 3 forming a lower surface thereof, and an exhaust hole 12 is formed at an appropriate position of the partition plate 3, and the exhaust hole 12 will be described below. The partition plate 18 is in communication with the partition plate internal space 24.
The partition plate 3 is provided with the through hole 13 of the exhaust pipe 10 described above.
Is also pierced.

The engine room 6 includes a compressor 15 for compressing a refrigerant and a diesel engine 1 on which the compressor 15 is mounted via a mounting member (not shown).
6 are arranged, and the engine pulley 16m and the compressor pulley 15a rotate in conjunction with a belt (not shown).
The exhaust gas of the engine 16 is exhausted through the exhaust pipe 10 of the engine 16. In addition, this engine room 6
Are separated by a vertical partition plate 18, and one side is provided with a control equipment room 19 for accommodating the control equipment C and the like, and the control equipment room 19 is opened at its lower part to become an opening 19a and communicates with the atmosphere. Then, it is configured to take in air. The opening 19a is covered with a mesh.

As shown in FIGS. 2 and 3, the vertical partition plate 18 has outer panels 21 and 22 in which a sound absorbing material 20 such as a foam material such as urethane is sandwiched between both sides thereof. The sound absorbing material 20 has a notch 23 and outer plates 21 and
2, a partition inner space 24 is formed. The upper part of the space inside the partition plate 24 is provided with the exhaust hole 12 formed in the partition plate 3.
Notch 23a is formed in sound absorbing material 20 so as to communicate with
Further, a notch 23b is formed to form a drain 25 that communicates with the outside of the outdoor unit below. Further, a ventilation notch 27 is formed below the sound absorbing material 20.

The outer panel 21 is provided with a ventilator 28 for ventilation, and the outer panel 22 is provided with a plate piece 29 which fits within the notch 23, and is provided in the engine room 6 upward and downward. The communicating holes 30 and 31 are formed. The hole 30 communicates with the inner space 24 of the partition plate, and the hole 31 communicates with the ventilation notch 27. This blower 28, ventilation notch 2
A route through which the ventilation wind flows is formed by the hole 7, the hole 31, and the hole 30, and the ventilation wind flows as indicated by the arrow B.

In the above configuration, the outdoor unit 1 is installed outdoors, and the rainwater mainly enters the heat exchanger room 5 from above. The entered rainwater accumulates on the partition plate 3, flows into the partition plate space 24 from the exhaust hole 12, and goes down,
The air is discharged from the drain 25 to the outside of the outdoor unit 1.

Further, air for ventilation flows into the engine room 6 by the drive of the blower 28, and the ventilation notch 2
7. Introduced through the hole 31 to cool the engine, and further, the air enters through the hole 30 into the space 24 inside the partition,
From the exhaust port 12 to the heat exchanger room 5, the blower 7
Is discharged outside the room. That is, the ventilation route can be partially used as the rainwater drainage route.

An intake filter 16b is inserted into a pipe 16a projecting from the engine 16, and the pipe 16a
Penetrates through the lower partition plate 18 of the blower 28 through the side of the lower oil pan 16 c, and the suction port 16 d at the tip projects from the control equipment room 19. That is, the pipe 16a
The air intake port 16d at the tip of the pierce through the outer plate 22, the sound absorbing material 20, and the outer plate 21 and faces the opening 19a side.

Although fresh air outside the opening 19a is introduced into the control equipment room 19 by the blowers 28, 28,
After this air is also introduced into the intake port 16d, the pipe 16
The engine 16 is sucked into the engine 16 via a.

The noise generated from the engine 16 is transmitted through the pipe 16a and emitted from the intake port 16d, but the interior of the control equipment room 19 is isolated from the engine room 6 by the partition plate 18. So the control equipment room 19
Inside, the intake port 1
6d vibration of noise and engine partition plate 1
There is no problem of resonance with the vibration transmitted through 8, and the noise generated from the air inlet 16 d in the control equipment room 19 can be suppressed.

In FIG. 4, the engine 16 is mounted on a bottom plate 2m of the box 2 via a mounting portion 70. For example, two mounting portions 70 are provided on both sides of the engine 16 on the left and right sides. The mounting portions 70 include a support piece 70a projecting downward from the lower frame side of the engine 16 as shown in FIGS. The bracket 70c includes a mounting piece 70b bent in the horizontal direction. This bracket 70c
The mounting piece 70b is mounted on an upper surface of a bottom plate 2m as a floor of the box 2 via a vibration isolating member 70d.

The vibration isolating member 70d is formed by integrating an elastic body 70i such as rubber or synthetic rubber between a first plate 70f having bolts 70e and a second plate 70h having mounting holes 70g on the left and right. Is done.

A bolt 70e is inserted from below through a mounting hole 70j provided in the mounting piece 70b, and a nut 70m
, And screwed to a hole (not shown) provided in the bottom plate 2m as a floor using the lower mounting hole 70g, whereby the engine 16 can be mounted.

The mounting piece 70b is set to have a relatively long length, and two screw holes 70n, 70n are formed on the left and right sides on the tip side protruding beyond the vibration isolating member 70d. . The screw holes 70n, 70n extend in the vertical direction.

Reference numeral 80 denotes a caster, which has a base plate 80a whose one end side is in contact with the top surface of the tip end of the mounting piece 70b. Two caster holes 80b, 80b are provided at positions corresponding to the screw holes 70n, 70n. And the through hole 8
The bolts 80c, 80c are screwed into the screw holes 70n, 70n through the holes 0b, 80b.

The other end of the base plate 80a is provided with wheels 8
A support 80e supporting Od is attached with a nut 80f. The wheel 80d is attached to a lower portion of the support 80e so as to be rotatable, and can swing around the support 80e.

In the above configuration, when the engine 16 is to be removed for maintenance or repair, the nuts 70m of the four brackets 70c are first loosened and removed. Next, as shown in FIG. 6, in each bracket 70c, one end of the base plate 80a of the caster 80 is opposed, and the left and right bolts 80c, 80c are inserted into the through holes 80b, 8.
Ob is screwed into the screw holes 70n, 70n.

According to this, as the bolts 80c, 80c are screwed, the mounting piece 70b is pulled upward as shown in FIG. 7, and when the mounting piece 70b is completely floated, the vibration isolating member 70d is removed. By removing the engine 1
6, the load of the mounting portion 70 provided on the caster 80 can be changed to casters 80, and the engine 16 is slid laterally from the upper surface of the bottom plate 2m and removed to the outside using the rolling of the wheels 80d of the casters 80. Can be. In addition, since the wheels 80d of the caster 80 can swing, the engine 16 can slide in a desired direction.

When the engine 16 is to be returned to the original position when maintenance, repair or the like of the engine 16 is completed, the operation reverse to the above is performed to move the engine 16 to the vibration isolating member 70d.
To the bottom plate 2m.

The wheel 80d may be of a tire type, a rubber ring type, or a bearing type. Further, the number of the brackets 70c is not limited to four, and may be increased according to the load of the engine 16. The caster 80 has a wheel 80 at the other end of the base plate 80a.
Although the description has been made on the assumption that the base plate 80a has a cantilever structure with d attached thereto, the base plate 80a may be extended not only on one side but also on both sides and casters 80 may be added on both sides to form a two-sided structure.

[0029]

As described above, according to the first aspect of the present invention, the caster is mounted on the mounting portion of the engine, and the load of the mounting portion mounted on the engine is changed on the caster. Can be easily removed by sliding with a caster, and maintenance and repair can be easily performed.

According to the second invention, the caster is formed by providing a through hole in a base plate with wheels, and a bolt is screwed into a screw hole through the through hole to change the engine. Since it is possible to change the engine, it is possible to change the engine with a simple structure and with a simple method of screwing a bolt.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing one embodiment of the present invention.

FIG. 3 is a side view showing an embodiment of the present invention.

FIG. 4 is a perspective view showing an embodiment of the present invention.

FIG. 5 is an exploded perspective view showing a main part of the present invention.

FIG. 6 is a side view showing a main part of the present invention.

FIG. 7 is a side view showing a main part of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outdoor unit 2 Box 2m Bottom plate 3 Partition plate 4m Condenser 5 Room for heat exchanger 6 Engine room 7 Blower 16 Engine 16a Pipe 16b Intake filter 16c Oil pan 16d Inlet 19a Opening 70 Mounting part 70a Supporting piece 70b Mounting piece 70c Bracket 70d Vibration isolation member 70e Bolt 70n Screw hole 80 Caster 80a Base plate 80b Through hole 80d Wheel.

Claims (2)

[Claims] 1. A method for removing an engine for driving a compressor in an outdoor unit for air conditioning from an engine room, comprising: forming a vertical screw hole in a mounting portion for mounting the engine on a floor side; A method of taking out an engine from an outdoor unit for air conditioning, wherein a bolt attached to a caster is screwed in to reload the load of the mounting portion to the caster, and the engine is slid out. 2. The air conditioner outdoor unit according to claim 1, wherein the caster comprises a horizontal base plate with wheels, and the base plate is provided with through holes for mounting the bolts. Engine removal method.