KR102388293B1 - Maintenance and repairing jig for blower - Google Patents

Abstract

The present invention relates to a jig for repairing a blower fan of a blower. An object of the present invention is to facilitate maintenance work by supporting the lower end of a blower fan formed on an inner side of a housing and maintaining a central axis of the blower fan. To achieve the purpose of the present invention, the jig for repairing a blower fan of a blower, which supports the blower fan formed in the blower and facilitates maintenance of the blower fan, includes: a frame; a lifting unit formed at an upper end of the frame, and providing a lifting force; and a mounting unit mounted on an upper end of the lifting unit, and stably supporting the blower fan while being lifted according to a lifting action of the lifting unit.

Description

Blower fan repair jig {Maintenance and repairing jig for blower}

The present invention relates to a blower fan maintenance jig of a blower, and more particularly, by configuring to support the lower end of the blower fan configured inside the housing, and supporting the central axis of the blower fan to be maintained, the maintenance work can be performed It relates to a jig for maintenance of a blower fan of a blower that is easily supported.

In general, various buildings are provided with an air conditioner (also called 'air conditioner') that allows indoor air to maintain a suitable temperature and humidity to provide a comfortable indoor environment.

The air conditioner has a configuration in which a cooling system that lowers the indoor temperature and humidity in the hot and humid summer and a heating system that appropriately increases the indoor temperature and humidity in the winter when the outdoor temperature is low coexist.

These air conditioners have been proposed in various ways, such as using air conditioners, thermo-hygrostats, and direct expansion air conditioners. It is composed of a system structure that cools and circulates the return air by adding fresh outdoor air in an appropriate proportion to the return air.

As shown in FIG. 1, the air conditioner showing an example of the prior art is provided on the base 10 in a state in which the cases 11 and 12 divided into two are in contact, but in one case 11, fresh air ( The outdoor air inlet 13 for sucking the outdoor air and the indoor air inlet 14 for sucking the indoor air returning from the room are provided, and an air filter 15 for filtering the incoming air and the filtered air are provided therein. The cooling coil 16 and heating coil 17 for cooling or heating the temperature of The blower 18 is installed so as to discharge the air, and the exhaust port 18a provided in the blower 18 extends to the upper part of the case 12 .

The blower 18 is installed to be driven by a separate motor 19 .

An outdoor air damper 13a is provided in the outdoor air intake 13, and a bet damper 14a is provided in the inner air intake 14 to control the amount of air flowing in from each inlet.

In the air conditioner as described above, when the blower 18 is driven by the motor 19, air flows into the case 11 through the outside air intake 13 or the inside intake 14, and the air introduced into the case 11 in this way. is filtered through the air filter 15 and then cooled or heated while passing through the cooling coil 16 and the heating coil 17 . The air cooled or heated in this way is sent to a room that requires air conditioning through the outlet 18a of the blower 18 to be cooled or heated, and some air in the room is sucked through the inlet inlet 14 and circulated.

On the other hand, as shown in FIG. 2 , the conventional blower 18 includes a base frame 182 and a housing 184 configured to be supported on one side of the base frame 182 .

In addition, a blowing fan 186 configured in the inner center of the housing 184 to generate blowing force, a shaft 188 configured in the center of the blowing fan 186, and both ends of the shaft 188, respectively. A bearing housing 189 configured to support rotation is configured.

In addition, the base frame 182 is configured with a pedestal 183 for supporting the bearing housing 189 to maintain a position at a predetermined height.

In addition, the housing 184 is provided with an intake port 1842 for allowing air to be inhaled by the blowing force of the blower fan 186 , and an exhaust port 1844 for exhausting the intake air. In this case, the intake port 1842 is formed at both ends of the shaft 188, respectively, and the exhaust port 1844 is formed at the upper end portion.

In addition, an inspection port 1846 is configured on one side of the housing 184 to allow an operator to enter and exit the housing 184 to facilitate maintenance work.

The blower 18 as described above is subjected to maintenance work such as repair or replacement of the blower fan 186, the shaft 188, and the bearing housing 189 due to shock, vibration, or other reasons during a certain period of time or during operation. .

However, as shown in FIG. 3 , the blowing fan 186 and the shaft 188 configured at the center of the blowing fan 186 are made of a heavy body, and when the bearing housing 189 configured in the shaft 188 is removed, the blowing fan There is a problem in that maintenance work cannot be performed on the blowing fan 186 as the 186 maintains a state that is set down inside the housing 184 .

For this reason, in order to perform the maintenance work of the blower fan 186, it is necessary not only to perform a separate operation for removing the blower fan 186 from the housing 184, but also to perform a heavy duty blower fan 186 and shaft. There is a difficult problem that the operation of removing the 188 from the housing 184 is also complicated.

Accordingly, in the maintenance work of the blowing fan, the maintenance work is performed while the blowing fan maintains the central axis even if the bearing housing is removed from the shaft configured in the blowing fan without separately taking out the blowing fan configured in the housing. There is a need for a dedicated jig for supporting the blowing fan so as to be able to perform it.

Republic of Korea Patent No. 10-1436592 (2014.09.01. Announcement) Republic of Korea Patent No. 10-1437104 (2014.09.03. Announcement)

As proposed in order to solve the above problems, an object of the present invention is to support the lower end of the blowing fan configured inside the housing, and to support the central axis of the blowing fan to be maintained, so that maintenance work is easy It is to provide a jig for the maintenance of the blower fan of the blower that supports to do so.

The present invention for achieving the above object includes a blower fan maintenance jig of the blower which supports and supports the blowing fan configured in the blower to facilitate maintenance of the blowing fan; The blower fan maintenance jig of the blower comprises: a frame; a lifting operation unit configured on the upper end of the frame to provide lifting force; and a seating part that is seated on the upper end of the lifting action part and stably supports the blowing fan while ascending and descending according to the lifting action of the lifting action part.

In the present invention, the lifting action portion, a plurality of lower links configured to be symmetrical to both ends around the center; a lower support bracket fixed to the upper end of the frame and configured at a central portion of the lower link to support the lower link to be linked; a plurality of upper links configured above the lower link and configured to be referred to as both ends with respect to the center, the ends being configured to overlap the lower link; an upper support bracket configured in the central portion of the upper link, the upper link is linked, and the upper portion is fixed to the lower end of the seating unit; a connecting link configured such that the overlapping portions of the lower and upper links are linked; and a screw shaft that is fastened to a connection link formed in the overlapping portion of the lower end and the corresponding link and supports the lifting and lowering by the interaction of the lower end and the upper link according to the rotational direction.

In the present invention, it is preferable that the seating portion is formed in a 'V' shape so that it is formed upward at a certain angle upward with respect to the center so that the support of the blowing fan is smooth.

In the present invention, it is preferable that the seating part is a variable seating part that allows both ends to be stretched and contracted according to the diameter of the blowing fan.

In the present invention, the variable seating portion includes: a pedestal in which a lifting operation portion is configured at the lower end and seating grooves are formed at each of both ends to have a predetermined depth and length; a support roll that is seated in the seating groove of the support, and is slidably transported along the longitudinal direction of the seating groove to provide a smooth support regardless of the diameter of the blower fan; and a fixing bolt fastened to the support so that the support roll is fixed to the support when the sliding transfer of the support roll is completed.

According to the present invention, it is configured to support the lower end of the blowing fan configured inside the housing, and by supporting the central axis of the blowing fan to be maintained, there is an effect of supporting the maintenance work easily.

1 is a view showing the structure of a general air conditioner.
Figure 2 is a schematic perspective view of a general blower.
3 is a view of a state in which the blower fan is lowered in the conventional blower.
4 is a view showing a state of use of a jig for repairing a blower fan of a blower according to the first embodiment of the present invention.
5 is a perspective view of a jig for repairing a blower fan of a blower according to the first embodiment of the present invention;
6 is a front view of a jig for repairing a blower fan of the blower according to the first embodiment of the present invention.
7 is a state diagram of the operation of the blower fan maintenance jig of the blower according to the first embodiment of the present invention.
8 is a front view of the operation state of the jig for repairing the blower fan of the blower according to the second embodiment of the present invention.
9 is a partially exploded perspective view of a variable seating part according to a second embodiment of the present invention;

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings as follows (the same reference numerals are used for the same components as in the prior art, and detailed description thereof will be omitted).

<First embodiment>

The blower fan maintenance jig 100 of the blower of the first embodiment is configured to support the lower end of the blowing fan 186 configured inside the housing 184, as shown in FIG. 4, the blowing fan 186 By maintaining this central axis, it supports for easy maintenance.

The blower fan maintenance jig 100 of the blower includes a frame 110 , a lifting operation part 120 , and a seating part 130 as shown in FIGS. 5 to 7 .

The frame 110 supports so that the lifting operation unit 120 configured at the upper end can be stably mounted inside the housing 184 .

The lower end is fixed to the upper end of the frame 110 , and the lower end is fixed to the upper end of the lifting unit 120 , and the lifting unit 120 performs a function of elevating the seat 130 .

The lifting action portion 120 includes a lower link 122 , a lower support bracket 124 , a connection link 125 , an upper link 126 , an upper support bracket 128 , and a screw shaft 129 . includes

The lower link 122 is configured at the lower end, and supports the upper link 126 to raise and lower it in correlation with it. In this case, the lower link 122 is composed of a plurality of symmetrically with respect to the center.

The lower support bracket 124 supports one end of each of the plurality of lower links 122 , but as it is located in a symmetrical central portion, the lower link 122 interacts with the upper link 126 to facilitate elevating action. to be able to do it properly. In this case, the lower support bracket 124 is formed by a link coupling in which a hinge is configured at one end of the lower link 122 .

In addition, the lower end of the lower support bracket 124 is fixed to the upper end of the frame 110 .

The connecting link 125 is configured in a portion where one end of each of the lower link 122 and the upper link 126 overlaps, so that a correlation between the lower and upper links 122 and 126 can be easily made. support

The upper link 126 is configured above the lower link 122 , and supports the lower link 122 so as to be raised and lowered by correlation with the lower link 122 . In this case, the upper link 126 is composed of a plurality of symmetrically with respect to the center.

The upper support bracket 128 supports one end of each of the plurality of upper links 126 , but as it is located in a symmetrical central portion, the upper link 126 interacts with the lower link 122 to facilitate lifting and lowering. to be able to do it properly. In this case, the upper support bracket 128 is formed of a link coupling in which a hinge is configured at one end of the upper link 126 .

In addition, as the upper end of the upper support bracket 128 is fixed to the lower end of the seating part 130 , the seating part 130 is also raised and lowered according to the lifting action of the lifting action part 120 .

The screw shaft 129 is screwed to the connecting link 125 configured at each of both ends to maintain the mutually overlapping state of the lower and upper links 122 and 126, so that a plurality of connecting links configured at each end according to the rotational direction. (125) mutually expand and contract (伸縮) so that the lifting action occurs in the lifting action portion (120). In this case, opposite ends of the screw shaft 129 are formed with opposite spirals around the center. For example, if one end of the screw shaft 125 is a right-hand thread, the other end is a left-hand thread.

The seating part 130 is configured on the upper end of the lifting action part 120, and by lifting and lowering together according to the lifting action of the lifting action part 120, it performs a function of supporting the blowing fan 186 to be supported. .

The seating portion 130 is a 'V'-shaped panel so that the lower end of the blower fan 186 is easily supported as each of both ends is inclined upward at a predetermined angle from the center. Of course, the present invention is not limited thereto, and any structure, configuration or shape capable of stably supporting and supporting the overall circular blower fan 186 may be adopted for the seating portion 130 . For example, the seating part 130 has a semicircular shape or a streamline shape.

The blower fan maintenance jig 100 of the blower configured as described above opens the inspection hole 1846 configured in the housing 184 of the blower 10, and puts it into the housing 184 through the opened inspection hole 1846. . Accordingly, the base 110 of the jig 100 for maintenance of the blower of the blower is maintained on the inner bottom surface of the housing 184 .

Then, when the screw shaft 129 of the lifting action part 120 is rotated in the upward action direction, a plurality of connection links 125 screwed to both ends of the screw shaft 129 are connected to the screw shaft 129 . Accordingly, the overlapping portions of the lower and upper links 122 and 126 are shortened by the shortening of the plurality of connecting links 125 .

Accordingly, as the synergistic action is performed by shortening the lower and upper links 122 and 126 , the seating portion 130 fixed to the upper end of the upper link 126 rises, and the blowing fan 186 is lifted. support, support

therefore,

<Second embodiment>

The same reference numerals are used for the same components as those of the first embodiment, and a detailed description thereof will be omitted.

The jig 100 for maintenance of the blower fan of the blower of the second embodiment includes a frame 110 , an elevating unit 120 , and a variable seating unit 140 .

The variable seating unit 140 adjusts the spacing in the width direction according to the size of the blowing fan 186 , for example, the diameter, thereby enabling general-purpose use regardless of the size of the blowing fan 186 .

As shown in FIGS. 8 and 9 , the variable seating unit 140 includes a support 142 , a support roll 144 , and a fixing bolt 146 .

The pedestal 142 is fixed to the upper end of the elevating unit 120 and elevates together with the elevating unit 120 .

In addition, the support 142 is formed with a predetermined depth and length, respectively, at both ends of the support roll 144 is formed with seating grooves 1422 in which the lower end is seated.

The seating grooves 1422 are symmetrically formed at both ends of the support 142, so that the support roll 144 is seated. In this case, as the seating groove 1422 is formed to a predetermined length, the support roll 144 is slidably transported along the length of the seating groove 1422, so that the plurality of support rolls 144 configured at both ends of the The gaps are mutually stretched.

In addition, the support roll 144 is formed in the seating groove 1422 on the pedestal 142, and the position of the support roll 144 whose position is changed according to the guidance of the seating groove 1422 can be fixed with the fixing bolt 146. A guide groove 1424 through which one end of the bolt 146 is inserted is formed.

The guide groove 1424 is formed in the seating groove 1422 so that one end of the fixing bolt 146 is inserted, so as not to interfere with the sliding transfer of the support roll 144 along the longitudinal direction of the guide groove 1424. formed in a certain length.

The support roll 144 is configured in plurality at each of both ends of the support 142, and is seated in the seating groove 1422 of the support 142 and slidably transported along the longitudinal direction of the seating groove 1422, so that a plurality of Through mutual expansion and contraction of the support roll 144, it is possible to use the general purpose regardless of the diameter of the blowing fan 186.

The support roll 144 includes a seat 1442 and a roll 1444 .

The seating table 1442 is configured so that the lower end is seated in the seating groove 1422, and is configured to support both ends of the roll 1444 at the upper end. In this case, the roll 1444 supported on the mounting base 1442 is configured to rotate in place or in a fixed state.

The roll 1444 is configured on the upper end of the seat 1442 to stably support the blowing fan 186 . In this case, the roll 1444 is formed of a synthetic resin such as urethane having self-elasticity for stable support of the blowing fan 186 .

The fixing bolt 146 provides fixing and fastening force so that the support roll 144 seated in the seating groove 1422 of the pedestal 142 is firmly fixed to the pedestal 142 .

The fixing bolt 146 includes a screw portion 1462 , a fixing portion 1464 , and a head 1466 .

The screw portion 1462 is inserted into the guide groove 1424 of the pedestal 142 and is fastened to the support roll 144 seated in the seating groove 1422 .

The fixing part 1464 is configured at one end of the screw part 1462 , and the screw part 1462 is fastened to the support roll 144 , and presses the pedestal 142 according to the tightening direction of the screw part 1462 . By doing so, a fixing force is provided so that the support roll 144 is firmly fixed to the support 142 .

The head 1466 is configured at one end of the fixing part 1464 and is formed in a shape to enable the fixing bolt 146 to rotate smoothly.

The variable seating unit 140 configured as described above mutually expands and contracts the spacing for the plurality of support rolls 144 seated in the seating groove 1422 of the pedestal 142 according to the diameter of the blowing fan 186, and the support When the expansion and contraction of the roll 144 is completed, the fixing bolt 146 is fastened so that the position of the support roll 144 is fixed to the support 142 .

Accordingly, the variable seating unit 140 has an effect of overcoming the limitation in use that it can be used universally regardless of the size of the blowing fan 186 .

What has been described above is only one embodiment for implementing the jig for repairing the blower fan of the blower, and the present invention is not limited to the above-described embodiment. Those of ordinary skill in the art to which the present invention pertains will understand that various modifications can be made without departing from the gist of the present invention.

10: blow fan repair jig 110: frame
120: lifting action part 122: lower link
124: lower support bracket 125: connection link
126: upper link 128: upper support bracket
129: screw shaft 130: seating portion
140: variable seating portion 142: pedestal
1422: seating groove 1424: guide groove
144: support roll 146: fixing bolt
1462: threaded portion 1464: fixed portion
1466: head

Claims (5)

and a blower fan maintenance jig of the blower which supports and supports the blower fan configured in the blower to facilitate maintenance of the blower fan;
The blower fan maintenance jig of the blower comprises: a frame;
a lifting operation unit configured on the upper end of the frame to provide lifting force; and
Includes; a seating portion that is seated on the upper end of the elevating unit and stably supports the blowing fan while elevating according to the elevating action of the elevating unit.
The seating part is a variable seating part that allows both ends to be stretched and contracted according to the diameter of the blowing fan,
The variable seating portion,
a pedestal in which an elevating action portion is configured at the lower end and seating grooves are formed at each of both ends to have a predetermined depth and length;
a support roll that is seated in the seating groove of the support, and is slidably transported along the longitudinal direction of the seating groove to provide a smooth support regardless of the diameter of the blower fan; and
a fixing bolt fastened to the pedestal so that the support roll is fixed to the pedestal when the sliding transfer of the support roll is completed;
Blower fan maintenance jig of the blower comprising a.
According to claim 1, wherein the lifting action portion,
a plurality of lower links configured to be symmetrical to both ends about the center;
a lower support bracket fixed to the upper end of the frame and configured at a central portion of the lower link to support the lower link to be linked;
a plurality of upper links configured above the lower link and configured to be referred to as both ends with respect to the center, the ends being configured to overlap the lower link;
an upper support bracket configured in the central portion of the upper link, the upper link is linked, and the upper portion is fixed to the lower end of the seating unit;
a connecting link configured such that the overlapping portions of the lower and upper links are linked; and
a screw shaft which is fastened to a connecting link formed in the overlapping portion of the lower end and the corresponding link and supports the lifting and lowering by the interaction of the lower end and the upper link according to the rotational direction;
Blower fan maintenance jig of the blower comprising a.
According to claim 1,
The seating portion is formed upward at a certain angle with respect to the center, so that the support of the blower fan is smooth in a 'V'shape;
Blower fan repair jig of the blower, characterized in that consisting of.
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