KR102287034B1 - Alignment apparatus of belt pulley - Google Patents

Abstract

The present invention relates to an alignment device of a belt pulley for power transmission. The alignment device of a belt pulley for power transmission comprises: a straight base frame disposed on the outer surface side of each end of a drive pulley to which power is transmitted by a belt and a driven pulley which is a nonmagnetic body; a magnet arranged on the base frame, formed as a magnetic body for an attraction action with the driven pulley, and allowing outer surfaces of ends of the base frame and the driven pulley to be in contact with each other; and a pair of gauges arranged on the base frame and including a rod disposed toward the outer surface of the end of the driven pulley and a display for numerically indicating a moving distance to a point on which the rod advances and stops. The position and angle of a power generating body are adjusted in accordance with the moving distance of the rod, indicated on the display of each gauge, so as to enable the drive pulley and the driven pulley to be aligned in a line. Accordingly, skilled as well as unskilled workers can adjust the position and angle of a motor to accurately and easily align two pulleys.

Description

Alignment device of belt pulley for power transmission

The present invention relates to an alignment device for aligning a motor-side pulley and a pump-side pulley so that they are aligned with each other, and in particular, spaced apart from the motor-side pulley in a state in which the pump-side pulley is closely fixed to the front of the base frame using a magnet. By adjusting the position and angle of the motor so that the pulley on the motor side can be closely fixed to the front surface of the base frame using a rod for calculating the distance and a pair of gauges having a display that displays the calculated value numerically, It is a technology related to an alignment device of a belt pulley for power transmission that facilitates alignment between both pulleys.

The alignment work between the driven pulley and the driven pulley, which is powered by a belt, is usually performed by skilled workers. In this case, the alignment process is completely dependent on the skilled worker's know-how, so that the alignment state is complete due to the skilled worker's negligence during the work process. It may not be possible, and there is a limit to aligning within the error tolerance.

As a technology related to an alignment device for solving this problem,

Korean Patent Registration No. 10-0410916 (Registered on January 2, 2003, hereinafter referred to as 'Document 1') 『Belt Pulley Alignment Mechanism』 is presented,

Document 1 discloses a reference portion disposed along the outer periphery of a pulley serving as a reference for alignment, the reference portion having a semi-circular arc shape opposite to each other on both ends of an axis connecting a driving shaft and a driven shaft; an alignment unit disposed along the outer periphery of the pulley to be aligned and connected to the reference unit through a connecting member, the alignment unit having an arc shape with one end positioned on the axis; And it is provided at both ends of the reference part, the center of the inner peripheral surface, and both ends of the alignment part, the contact parts having two or more cylindrical members having an annular protrusion formed along the outer circumferential surface so as to be rotatably in close contact with the valley between the threads of the respective pulleys. By doing so, it is a technology related to a belt pulley alignment mechanism that can accurately align the belt pulleys by allowing alignment to be made on both sides of a straight line connecting the axes of the belt pulleys.

As another technology, the Republic of Korea Utility Model Registration No. 20-0269632 (Registered on March 13, 2002, hereinafter referred to as 'Document 2') 『V-belt-type rotating body shaft alignment device』 is proposed,

Document 2 is a V-type seated in the V groove of the driven pulley and the driving pulley on the lower base manufactured in the horizontal direction to match the center distance between the driven pulley and the driving pulley fastened to transmit power to the V belt. The protrusion is located, and the level check groove for checking the level of the level gauge to check the deviation of the driven pulley and the driving pulley on the upper surface of the upper base, and a certain interval to check the assembly position of the driven pulley and the driving pulley A double tail groove is formed in which the letters marked with the scale of , are inserted in the direction of the rotation axis, and a measuring bar with a ruler marked at regular intervals on the upper surface that can measure the distance between the driven pulley and the driving pulley is attached to the base of the base. It relates to a shaft alignment device for a V-belt-type rotating body that can accurately measure the level and assembly position of the V-belt rotating body as well as the V-belt tension of the V-belt type rotating body by being inserted into the insertion groove of the measuring bar formed in the center within a short time it's technology

As another technique, Korean Patent Registration No. 10-0423333 (registration on March 5, 2004, hereinafter referred to as 'Document 3') 『Arrangement device of crankshaft pulley for commercial vehicle and air conditioner pulley』 is proposed,

Document 3 discloses a disc plate having one side detachably coupled to the front surface of the crankshaft pulley using magnetic force, and one end is screwed to the disc plate and the other end is the front side of the air conditioner pulley when the disc plate is coupled to the crankshaft pulley. It is positioned toward the side and consists of a bar plate that is a reference for measuring the distance between the power transmission belt coupled to the crankshaft pulley and the power transmission belt coupled to the air conditioner pulley, so that even an unskilled worker can use the crankshaft pulley and the air conditioner. It is possible to always align the pulleys consistently, to prevent operation noise caused by the crankshaft pulley and the air conditioner pulley not being aligned in advance, and to prevent the power transmission belt from being separated from the crankshaft pulley and the air conditioner pulley in advance while preventing the overall power It is a technology related to the alignment device of crankshaft pulleys and air conditioner pulleys for commercial vehicles to improve transmission performance.

Document 1. Korean Patent Registration No. 10-0410916 (Registered on Jan. 2, 2003) Document 2. Republic of Korea Utility Model Registration No. 20-0269632 (Registered on March 13, 2002) Document 3. Korean Patent Registration No. 10-0423333 (Registered on March 5, 2004)

An object of the present invention is to provide an alignment device for a belt pulley for power transmission capable of performing an alignment operation between both pulleys using a magnet and a pair of gauges.

Furthermore, the present invention provides a display capable of displaying numerically the moving distance of the rod that comes into contact with the pulley on a pair of gauges, so that the operator can easily control the position and angle of the motor to which the pulley is connected while checking the numerical value with the naked eye. An object of the present invention is to provide an alignment device for a belt pulley for power transmission.

In addition, the present invention divides the base frame on which a magnet and a pair of gauges are respectively arranged to form two powders, and by installing the two powders in separate frames, the distance between the two powders can be adjusted, so that the distance between the two pulleys is adjustable. An object of the present invention is to provide an alignment device for a belt pulley for power transmission that can adjust the separation distance between each powder according to the distance.

In order to solve the above problems, the alignment device of the belt pulley for power transmission according to the present invention,

a straight base frame disposed on the outer surface side of each end of the driven pulley and the driven pulley, which is a magnetic body, to which power is transmitted by the belt;

a magnet disposed on the base frame and made of a magnetic material for attraction action with the driven pulley so that the base frame and the end outer surfaces of the driven pulley are in contact with each other; and

a pair of gauges having a rod disposed on the base frame and disposed toward an outer surface of an end of the driving pulley, and a display displaying a moving distance to a point where the rod advances and stops;

consists of,

It is characterized in that the driving pulley and the driven pulley are aligned in a line by adjusting the position and angle of the power generating body having the driving pulley according to the moving distance of the rod displayed on the display of each gauge.

The alignment device of the belt pulley for power transmission according to the present invention,

The position and angle of the motor by skilled and unskilled workers through a pair of gauges with a rod for calculating the distance from the motor side pulley while the pump side pulley is fixed using a magnet and a display that displays the calculated value numerically It has the greatest effect of being able to accurately and easily perform the alignment work between both pulleys by adjusting the

1 is a three-dimensional exploded configuration diagram showing an alignment device of a belt pulley for power transmission according to the present invention;
Figure 2 is a steric bond configuration diagram of Figure 1;
3 is a plan view showing the arrangement of both pulleys, which is the plane of FIG. 2;
4 is a plan view of a state in which both pulleys are in contact with the base frame in FIG. 3;
5 and 6 are plan views showing the alignment process between pulleys by each gauge;
7 is a side configuration view for showing a sub-magnet;
8 is a plan view showing another example of a magnet, a frame displacement means, a guide, and a corresponding guide.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to their ordinary or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the configuration shown in the embodiments and drawings described in the present specification is only the most preferred embodiment of the present invention and does not represent all the technical spirit of the present invention, so various equivalents that can replace them at the time of the present application It should be understood that there may be water and variations.

3, the drive and driven pulley side is front or front, and the base frame side is rear or rear. The plate side of the means is specified as lower or downward, and the driven pulley side is specified as left or left, and the driven pulley side is specified as right or right with reference to FIG. 3 . .

1 to 8, the alignment device of the belt pulley for power transmission according to the present invention,

It largely consists of a base frame 10 , a magnet 20 , and a gauge 30 .

Looking at each configuration,

The base frame 10 is

As shown in Figures 1 to 3,

It consists of a straight frame structure arranged on the outer surface side of each end of the driving pulley (1) to which power is transmitted by the belt and the driven pulley (2) which is a self-propelled body.

In particular, the base frame 10 has a rectangular cross-sectional structure, and four T-shaped recesses 11 are formed on each of the four sides in the longitudinal direction. As a result, a slider 41 to be described later disposed in the recess 11 can slide within the recess 11 and a portion of both ends of the slider 41 is supported on the inner wall of the recess 11 . Therefore, it is possible to slide stably without being separated to the outside.

In addition, the base frame 10 has a predetermined length from side to side, and each of the power generating body 1a having the driving pulley 1 and the driven power generating body 2a having the driven pulley 2 is fixed to a workbench or the like. It is preferable to have a length corresponding to or greater than the separation distance between the driving pulley 1 and the driven pulley 2 . Here, the power generating body 1a is a motor and the driven force generating body 2a is a pump.

And as shown in FIGS. 1 and 2 , a closing cap 13 may be mounted on each of both ends of the base frame 10 . First, a circular concave-type bolt hole is formed in the central region of the outer surface of both ends of the base frame 1 . In the state in which (14) is formed, the closing cap 30 is formed at both ends of the base frame 10 by the fixing bolts 15 that pass through the central region of the closing cap 30 and are fastened to the bolt hole 14. fixedly coupled.

The closing cap 13 has a rectangular cross-sectional structure corresponding to the base frame 10, so that the base frame 10 is fixedly coupled to the base frame 10 by the fixing bolts 15. The four faces of the closure cap 13 and the four faces of the closing cap 13 coincide with each other.

Accordingly, as the closing cap 13 is fixedly coupled to both ends of the base frame 10, the slider 41, etc. to be described later disposed in the four recesses 11 of the base frame 10 is formed in the recess 11. While sliding in the interior, the exit to the outside is prevented by the closing cap 13 that serves as a stopper.

The magnet 20 is

As shown in Figures 1 to 3,

It is made of a magnetic material for the attraction action with the driven pulley 2 so that the end outer surfaces of the base frame 10 and the driven pulley 2 are in contact with each other,

As one of the rare earths, it consists of the strongest permanent magnet made by alloying neodymium with iron and boron.

At this time, as shown in FIG. 1 , the magnet 20 of an example has a rectangular plate structure so as to be slidably operated within the recess 11 , and the magnet 20 , which is a magnetic body of such a square plate, is formed in the recess ( 11) may be arranged singly or in plurality.

In particular, two or more of the magnets 20 of one example are provided to be slidably disposed along the upper or lower surfaces or the front side recesses 11 of the base frame 10 among the four recesses 11 . .

And in the present invention, the magnet 20 of the four recesses 11 is arranged to slide along the non-arranged recess 11 and a magnetic material for attractive action with the magnet 20 . It further includes a sub-magnet 50 for adjusting the position of the magnet 20 during sliding. As a result, as the operator grabs and moves the sub-magnet 50 , the position of the magnet 20 can be easily changed by magnetism.

As shown in FIG. 8 , the magnet 20 of another example is connected to the relay member 21 sliding in the upper surface side recess 11 among the four recesses 11 , and is connected to the upper surface side recess 11 , above the upper surface side recess 11 . In the exposed state, the outer surface of the end of the base frame 10 and the driven pulley 2 is in contact with each other.

As a result, the magnet 20 may be disposed to be exposed toward the upper or lower side of the base frame 10 in the state of being disposed in the recess 11 or connected to a separate relay member disposed in the recess 11 . there will be

In addition, it is preferable that at least two or more of the magnets 20 are provided, which means that the outer surface of the end of the driven pulley 2 is not in contact with the front surface of the base frame 10 and is not directly in contact with the surface. in order to be able to

The gauge 30 is

As shown in Figures 1 to 3,

To be disposed on the base frame (10),

a rod 31 disposed toward the outer surface of the end of the drive pulley 1, and

A display 32 that numerically displays the moving distance to the point where the rod 31 moves forward and stops

It consists of including, and a pair is provided.

At this time, the rod 31 is moved forward and backward in the gauge 30, and this rising and falling operation is made by a driving unit (not shown) provided in the gauge 30, and moves forward or backward. The moving distance of the rod 31 is sensed by a sensor (not shown), and the sensed value is displayed on the display 32 as a number or the like. In addition, the gauge 30 may be provided with a button for setting the numerical value displayed on the display 32 to a zero point, a power on/off button, and an operation button.

And the driving unit is composed of a rack gear formed in a portion of the upper surface or lower surface of the rod 31, and a driving motor having a pinion gear meshing with the rack gear and built in the gauge 30, and the pinion when the driving motor is driven The rod 31 is moved back and forth by rotation of the gear.

Looking at the alignment operation between both pulleys 1 and 2 using the gauge 30 having the above configuration, in a state in which the driven pulley 2 is in surface contact with the base frame 10 through the magnet 20 , The rod 31 of the gauge 30 is advanced so as to be in contact with the outer surface of the end of the driving pulley 1 , and the moving distance of the advanced rod 31 is numerically displayed on the display 32 .

At this time, as in FIGS. 5 and 6 , the power generating body 1a having the drive pulley 1 is moved from the work bench until the numerical values displayed on the display 32 in each of the pair of gauges 30 are identical to each other. The position and angle are adjusted, and when the line alignment is completed, the power generating body 1a is fixed to the workbench. At this time, after fastening bolts to the bracket provided in the power generating body 1a, it can be fixed by finally fastening it to the workbench.

Therefore, by adjusting the position and angle of the power generating body 1a having the driving pulley 1 according to the moving distance of the rod 31 displayed on the display 32 of each gauge 30, the driving pulley 1 ) and the driven pulley 2 are aligned in a line, so that non-skilled workers can easily check the numerical values displayed on the display 32 with the naked eye while aligning both pulleys 1 and 2 in a line. it can be

On the other hand, the alignment device of the belt pulley for power transmission according to the present invention further comprises a gauge displacement means (40),

The gauge displacement means 40 is

As shown in Figures 1 to 4,

For adjusting the front and rear positions of each gauge 30,

A pair of sliders (41) arranged to slide along the upper surface side recesses (11) of the base frame (10) among the four recesses (11) and having a spiral hole (411);

A plate 42 on which each gauge 30 is mounted and disposed on the upper surface of the base frame 10,

A pair of long holes 43 that are long in the front and rear while penetrating up and down through the plate 42, and

A pair of bolts 44 inserted into each of the long holes 43 and fastened to the spiral holes 411 of each of the sliders 41 .

is made including

Finally, by releasing the tightening of the bolt 44 and moving the plate 42 back and forth and then tightening the bolt 44, the front and rear positions of the plate 42 and the gauge 30 mounted thereon can be adjusted. do. As a result, since the position of the gauge 30 can be adjusted, alignment between both pulleys 1 and 2 can be performed in consideration of various conditions such as the shape, size, and working environment of the pulley.

And the drawing within the circular chain line of FIG. 8 is an enlarged view showing the cross-sectional configuration of the corresponding part. Referring to this figure, the base frame 10 is formed on the upper surface of the base frame 10 in a long front and back direction. A plurality of concave-type guides 12 arranged at regular intervals along the longitudinal direction of (421) is formed.

At this time, the guide 12 is a concave structure and has a particularly V-shaped cross-sectional space, and the corresponding guide 421 is a protruding structure and has a particularly V-shaped cross-sectional area. This is possible.

Accordingly, the corresponding guide 421 can slide forward and backward along the guide 12, so that the plate 42 can move back and forth easily. It helps to ensure that the rod 31 of the gauge 30 mounted on the plate 42 can be uniformly arranged in a direction orthogonal to the base frame 10 .

On the other hand, in the present invention, the alignment device for the belt pulley for power transmission according to the present invention in a state in which the base frame 10 is composed of two powders 10A and 10B divided left and right is a frame displacement means (60) It further includes

The frame displacement means 60 is

As shown in Figure 8,

Four holding sliders 61 arranged in pairs to slide along the recesses 11 on the rear side of the two powders 10A and 10B and having fastening holes 611;

A holding frame 62 disposed so as to be in contact with the rear surfaces of the two powders 10A and 10B and having a rectangular cross-sectional structure,

Four holding holes 63 that are formed through the holding frame 62 forward and backward and are arranged in pairs in the region facing the two powders 10A and 10B, and

Four holding bolts 64 inserted into the holding holes 63 and fastened to the fastening holes 611 of each holding slider 61 .

is made including

At this time, the magnet 20 is disposed on the left powder 10A of the two powders 10A and 10B, and the respective gauges 30 are disposed on the right powder 10B.

Therefore, in a state in which the holding bolt 64 is untightened, that is, in a state in which the holding slider 61 pressing the inner wall of the recess 11 is loosened, one of the two powders 10A and 10B, or When the holding bolt 64 is tightened after positioning both left and right, the holding slider 61 retreats and presses the inner wall of the recess 11 to the front of the holding frame 62. The rear surfaces of the two powders 10A and 10B can be closely fixed.

As a result, the position of the two powders 10A and 10B can be adjusted so that the magnet 20 and each gauge 30 are arranged to face both the pulleys 1 and 2 to match the separation distance between the pulleys 1 and 2 there will be

In the above description of the present invention, with reference to the accompanying drawings, the "alignment device for the belt pulley for power transmission" having a specific shape and structure has been mainly described, but the present invention is capable of various modifications and changes by those skilled in the art, and such modifications and changes should be construed as falling within the protection scope of the present invention.

1: drive pulley
1a: power generating body
2: driven pulley
1b: driven force generating body
10: base frame
10A, 10B: powder
11: Recess
12 : Guide
13: Closing cap
14: bolt hole
15: fixing bolt
20: magnet
21: relay member
30: gauge
31 : load
32: display
40: gauge displacement means
41 : slider
411: spiral hole
42: plate
421: response guide
43 : long hole
44 : bolt
50: sub magnet
60: frame displacement means
61: holding slider
611: fastening hole
62: holding frame
63: holding hole
64: holding bolt

Claims (5)

A straight base frame 10 disposed on the outer surface side of each end of the driven pulley (1) and the driven pulley (2), which is a magnetic body, to which power is transmitted by a belt;
A magnet ( 20); and
The rod 31 disposed on the base frame 10 and disposed toward the outer surface of the end of the driving pulley 1, and a display that numerically displays the moving distance to the point where the rod 31 moves forward and stops ( a pair of gauges 30 having 32);
consists of,
The driving pulley (1) by adjusting the position and angle of the power generating body (1a) having the driving pulley (1) according to the moving distance of the rod (31) displayed on the display (32) of each gauge (30) and an alignment device for a belt pulley for power transmission, characterized in that the driven pulley (2) is aligned in a line.
The method of claim 1,
The base frame 10 has a rectangular cross-sectional structure, and four T-shaped recesses 11 are formed on each of the upper and lower front and rear four sides in the longitudinal direction,
A pair of sliders 41 , which are arranged to slide along the upper surface side recess 11 of the base frame 10 among the four recesses 11 , and having a spiral hole 411 , and each of the gauges 30 ) is mounted and inserted into a plate 42 disposed on the upper surface of the base frame 10, a pair of long holes 43 that are long in the front and rear while penetrating vertically through the plate 42, and each of the long holes 43 and a pair of bolts 44 fastened to the spiral holes 411 of each slider 41, and a gauge displacement means 40 for adjusting the front and rear positions of the respective gauges 30. Alignment device of the belt pulley for power transmission, characterized in that it further comprises.
3. The method of claim 2,
A plurality of concave-type guides 12 are formed on the upper surface of the base frame 10 at regular intervals along the longitudinal direction of the base frame 10 while being elongated forward and backward,
Alignment device of the belt pulley for power transmission, characterized in that two or more protrusion-shaped corresponding guides (421) coupled to the guide (12) male and female are formed on the lower surface of the plate (42) of the gauge displacement means (40).
4. The method of claim 3,
The magnet 20 is provided with two or more of the four recesses 11 to be arranged to slide along the upper surface, the lower surface, or the front side recess 11 of the base frame 10,
Among the four recesses 11 , the magnet 20 is arranged to slide along the non-arranged recess 11 and is made of a magnetic material for attractive action with the magnet 20 when sliding. Alignment device of the belt pulley for power transmission, characterized in that it further comprises a sub-magnet (50) for adjusting the position of the magnet (20).
5. The method according to any one of claims 1 to 4,
The base frame 10 consists of two powders 10A and 10B divided left and right,
Four holding sliders 61 arranged in pairs to be slid along the recesses 11 on the rear side of the two powders 10A and 10B and having fastening holes 611, and the two powders 10A, 10B ) and a holding frame 62 having a rectangular cross-sectional structure and formed through the holding frame 62 in front and back, one pair each in an area facing the two powders 10A and 10B It consists of four holding holes 63 arranged and four holding bolts 64 inserted into the holding holes 63 and fastened to the fastening holes 611 of each holding slider 61, the holding frame In (62), the alignment device of the belt pulley for power transmission, characterized in that it further comprises a frame displacement means (60) for adjusting the left and right positions of the two powders (10A, 10B).

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