CN110540132A - Raceway unit and OHT having the same - Google Patents
Raceway unit and OHT having the same Download PDFInfo
- Publication number
- CN110540132A CN110540132A CN201910445983.2A CN201910445983A CN110540132A CN 110540132 A CN110540132 A CN 110540132A CN 201910445983 A CN201910445983 A CN 201910445983A CN 110540132 A CN110540132 A CN 110540132A
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- Prior art keywords
- raceway
- axis direction
- raceways
- preventing member
- vibration preventing
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67706—Mechanical details, e.g. roller, belt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/02—Runways, tracks or trackways for trolleys or cranes for underhung trolleys or cranes
- B66C7/04—Trackway suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67733—Overhead conveying
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67793—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations with orientating and positioning by means of a vibratory bowl or track
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Body Structure For Vehicles (AREA)
- Rehabilitation Tools (AREA)
Abstract
A raceway unit may include a mold bar fixed to a ceiling, a raceway provided below the mold bar and extending in an X-axis direction, a fixing member extending in a Z-axis direction and configured to fix the raceway to the mold bar, and a vibration preventing member provided between the raceways adjacent to each other in a Y-axis direction perpendicular to the X-axis direction and configured to be fixed to the adjacent raceways to prevent the raceways from vibrating in the Y-axis direction.
Description
Technical Field
The present invention relates to a raceway unit and an overhead hoist transport vehicle (hereinafter referred to as "OHT") having the raceway unit, and more particularly to a raceway unit and an OHT having the raceway unit that are positioned on a ceiling to fix a structure to a lower portion of the ceiling.
Background
Generally, the raceway unit is provided on a ceiling located inside a building to fix a travel rail along which a vehicle traveling to the ceiling travels. The raceway unit has a plurality of raceways extending in a traveling direction of the vehicle, and fixes the raceways to mold bars mounted on a ceiling using fixing members.
When the vehicle travels, the raceway vibrates. In particular, the raceway may vibrate in a vertical direction perpendicular to the traveling direction, rather than in the traveling direction of the vehicle.
The raceway unit may have a support bar. The support bar is mounted on the ceiling to extend in an oblique direction from the ceiling toward the raceway. Since the support bar supports the raceway, the raceway can be prevented from vibrating in the vertical direction.
However, a space for mounting the support bar is required on both sides of the raceway. Since there is another structure, such as a guide pipe, provided on both sides of the raceway, there is a limitation in mounting the support rod on the ceiling due to interference with the structure.
Further, it is possible to additionally install the raceway on the ceiling to fix the support rod to the ceiling, and it takes much time to further install the raceway on the ceiling. Therefore, the cost and time for providing the support bar may increase.
Disclosure of Invention
The present invention provides a raceway unit capable of preventing vibration in a vertical direction perpendicular to a traveling direction of a vehicle without space restriction.
The present invention provides an OHT having a raceway unit capable of preventing vibration in a vertical direction perpendicular to a traveling direction of a vehicle without space restriction.
According to one aspect of the present invention, the raceway unit includes a mold bar fixed to a ceiling; a raceway provided below the die rod, the raceway extending in the X-axis direction; a fixing member extending in the Z-axis direction, the fixing member being configured to fix the raceway to the mold bar; and a vibration preventing member provided between the raceways adjacent to each other, the vibration preventing member extending in a Y-axis direction perpendicular to the X-axis direction, and the vibration preventing member being configured to fix the adjacent raceways to each other to prevent the raceways from vibrating in the Y-axis direction.
in one example embodiment, the vibration preventing member may have a flat plate shape.
In one example embodiment, the vibration preventing member may have at least one opening to reduce the weight of the vibration preventing member.
Here, the width of the vibration preventing member in the Y-axis direction may be the same as the interval between the adjacent raceways, and the height of the vibration preventing member in the Z-axis direction may be the same as the length of each of the fixing members.
In one example embodiment, the upper end of the vibration preventing member may be fixed to the mold pole or the ceiling, and the lower end of the vibration preventing member may be fixed to the race, respectively.
in one example embodiment, each of the mold bars may include a plurality of first mold bars extending in the X-axis direction and spaced apart from each other in the Y-axis direction; and a plurality of second mold bars extending in the Y-axis direction and spaced apart from each other in the X-axis direction, wherein the fixing member may be disposed at an intersection of the first mold bar and the second mold bar.
In one example embodiment, each of the fixing members includes a body extending in the Z-axis direction; a head provided at an upper end of the body and coupled to each of the mold rods; a curved flange provided at a lower end portion of the body and surrounding each of the raceways; and a bolt and a nut for fastening each of the bent flange and the raceway.
in one example embodiment, each of the mold bars may have a first groove formed at a lower portion of each of the mold bars in an extending direction of the mold bar, the first groove may have a T-shape, and the head may have a T-shape to be inserted into the first groove.
In one example embodiment, each of the raceways may include second grooves on both sides thereof, respectively, and each of the second grooves may have a T shape and extend in an extending direction of the raceway, the bent flange may include through-holes on both sides thereof, and each of the through-holes may extend in the extending direction of the raceway, the bolt may have a T-shaped head to be inserted into each of the second grooves and may pass through each of the through-holes of the bent flange, and the nut may be fastened to the bolt.
According to one aspect of the present invention, an OHT includes a raceway unit including mold bars fixed to a ceiling; a raceway provided below the die rod, the raceway extending in the X-axis direction; a fixing member extending in the Z-axis direction, the fixing member being configured to fix the raceway to the mold bar; and a vibration preventing member provided between the raceways adjacent to each other, the vibration preventing member extending in a Y-axis direction perpendicular to the X-axis direction, and the vibration preventing member being configured to fix the adjacent raceways to each other to prevent the raceways from vibrating in the Y-axis direction; a rail fixed to the raceway and extending in the X-axis direction; and a vehicle configured to travel along the track and to secure and transport the box.
In one example embodiment, the vibration preventing member may have a flat plate shape and may have at least one opening to reduce the weight of the vibration preventing member.
In one example embodiment, the width of the vibration preventing member in the Y-axis direction may be the same as the interval between the adjacent raceways, and the height of the vibration preventing member in the Z-axis direction may be the same as the length of each of the fixing members.
in one example embodiment, the upper end of the vibration preventing member may be fixed to the mold pole or the ceiling, and the lower end of the vibration preventing member may be fixed to the race, respectively.
According to an example embodiment of the present invention, the raceway unit may include an anti-vibration member between the raceways, so that the anti-vibration member may be provided without any space restriction.
In addition, since the anti-vibration member can be fixed to the mold pole or the ceiling and the race, the cost and time for installing the anti-vibration member can be reduced.
Further, since the vibration preventing member has a flat plate shape with an opening, the weight of the vibration preventing member can be reduced. Therefore, the load applied to the die rods by the vibration preventing member can be reduced.
The die bar and the raceway are fastened to each other by using a T-shaped first groove formed in a lower portion of the die bar, the fixing member has a T-shaped head formed on both sides of the raceway, and the bolt has a T-shaped head. Since the mold bar and the raceway can be simply fastened, the raceway unit can be easily installed.
Further, since the OHT can prevent Y-axis vibration of the raceway, it is possible to prevent Y-axis direction vibration of the vehicle while the vehicle is traveling. Therefore, the transportation efficiency of the OHT can be improved.
The above summary of the present invention is not intended to describe each illustrated embodiment or every implementation of the present invention. The following detailed description and claims more particularly exemplify these embodiments.
Drawings
Example embodiments can be understood in more detail from the following description taken in conjunction with the accompanying drawings, in which:
Fig. 1 is a front view showing a raceway unit according to an exemplary embodiment of the present invention;
Fig. 2 is a side view showing a raceway unit as shown in fig. 1;
Fig. 3 is a front view showing a fixing structure of the mold bar and the fixing member as shown in fig. 1;
FIG. 4 is a front view showing the fixing structure of the fixing member and the raceway as shown in FIG. 1;
Fig. 5 is a front view illustrating the vibration preventing member as shown in fig. 1;
Fig. 6 is a front view illustrating another exemplary embodiment of the vibration preventing member as shown in fig. 5;
Fig. 7 is a front view showing an OHT according to an exemplary embodiment of the present invention;
Fig. 8 is a side view showing the OHT as shown in fig. 7.
Detailed Description
while various embodiments are amenable to various modifications and alternative forms, specifics thereof have been shown by way of example in the drawings and will be described in detail. It should be understood, however, that the intention is not to limit the claimed invention to the particular embodiments described. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the subject matter as defined by the appended claims.
Hereinafter, specific embodiments regarding a raceway unit and an OHT having the same will be described in more detail with reference to the accompanying drawings. This invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those skilled in the art. Like reference numerals refer to like elements throughout. In the drawings, the size of layers and regions may be exaggerated for clarity.
Terms such as first, second, etc. can be used to describe various elements, but the terms should not be used to describe the elements. The above terms are only used to distinguish one element from another. For example, in the present invention without departing from the scope of the first component to the second component, the naming may be similarly performed, and the second component to the first component may also be named.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the inventive concepts. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the concepts of the present invention belong. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
fig. 1 is a front view showing a raceway unit according to an exemplary embodiment of the present invention. Fig. 2 is a side view showing a raceway unit as shown in fig. 1. Fig. 3 is a front view illustrating a fixing structure of the mold bar and the fixing member as shown in fig. 1. Fig. 4 is a front view showing a fixing structure of a fixing member and a raceway as shown in fig. 1.
Referring to fig. 1 to 4, according to an exemplary embodiment, a raceway unit 100 includes a mold bar 110, a raceway 120, a fixing member 130, and a vibration preventing member 140.
The mold bars 110 are arranged to have a grid pattern and fixed to a ceiling (not shown in the drawings). The mold bars 110 may be directly fixed to the ceiling or installed to be spaced apart from the ceiling using additional members. When the mold bar 110 is directly fixed to the ceiling, the mold bar 100 may be embedded in the ceiling or protrude from the ceiling.
in particular, the mold bar 110 includes a first mold bar 110a and a second mold bar 110 b.
the first mold bars 110a may extend along the X-axis and may be arranged to be spaced apart from each other at predetermined intervals along the Y-axis.
the second mold bars 110b may extend along the Y-axis and may be arranged to be spaced apart from each other at predetermined intervals along the X-axis.
Alternatively, the mold bar 110 may include only the second mold bar 110 b.
Each of the mold bars 110 includes a first groove 112 at a lower portion of each of the mold bars 110. The first groove 112 is elongated in the extending direction of each of the mold bars 110. Here, the first groove 112 may be formed to extend to both end portions of each of the mold bars 110. That is, the first groove 112 of each of the first mold bars 110a is formed along the X-axis, and the first groove 112 of each of the second mold bars 110b is formed along the Y-axis.
When the first groove 112 is cut in a vertical direction perpendicular to the extending direction of the mold bar 110, the cross section of the first groove 112 has an approximately T shape.
Specifically, the first groove 112 has a lower groove portion 112a and an upper groove portion 112 b.
The lower groove portion 112a is provided at a lower surface portion of each of the mold bars 110 and has a first width.
The upper groove portion 112b is provided in communication with the lower groove portion 112a and connected to the lower groove portion 112 a. The upper groove portion 112b has a second width greater than the first width of the lower groove portion 112 a.
The raceway 120 is disposed below the die rod 110.
In particular, the raceways 120 may extend along the X-axis and may be spaced apart from each other at predetermined intervals along the Y-axis.
For example, the intervals of the raceways 120 may be the same as those of the mold bars 110, particularly, the intervals between the first mold bars 110a adjacent to each other. For another example, the spacing of the raceways 120 may be the same as those of the second mold bars 110b that are adjacent to each other.
Each of the raceways 120 includes second grooves 122 on both sides thereof. The second groove 122 extends in the X-axis direction.
When the second groove 122 is cut in the Y-axis direction, the cross section of the second groove 122 has an approximately T shape.
specifically, the second groove 122 has an outer groove portion 122a and an inner groove portion 122 b.
Outer groove portions 122a are provided on both side portions of each of the raceways 120 and each have a third width.
The inner groove portions 122b are disposed inside the outer groove portions 122a to connect the outer groove portions 122a to each other, and have a fourth width greater than the third width.
On the other hand, an additional groove may be formed on the lower portion of the raceway 120. The grooves are provided with turnbuckles, hanging bolts and the like, and the turnbuckles, the hanging bolts and the like can fix the traveling track on which the lighting equipment or the vehicle travels.
the fixing members 130 fix the raceways 120 to the mold bars 110, respectively. Further, a fixing member 130 is provided at the intersection of the first and second mold bars 110a and 110 b. Therefore, the load that may occur due to the structure fixed to the raceway unit 100 can be uniformly dispersed on the mold bar 110. As a result, the raceway unit 100 can withstand a larger load.
Each of the fixing members 130 includes a body 132, a head 134, a bent flange 136, a bolt 138, and a nut 139.
The body 132 may have a cylindrical shape and may extend in the Z-axis direction.
The head 134 is disposed at an upper end of the body 132 and coupled to the mold bar 110.
Specifically, the head 134 extends in one direction. A width in a short direction of the head portion 134 may be equal to or less than a first width of the lower groove portion 112a, and a width in a long direction of the head portion 134 may be greater than the first width of the lower groove portion 112a and equal to or less than a second width of the upper groove portion 112 b.
The head portion 134 is inserted into the upper groove portion 112b through the lower groove portion 112 a. Further, the extending direction of the head 134 is aligned with the extending direction of the first groove 112. The head 134 is then rotated 90 degrees so that the head 134 can fit into the first recess 112 of the mold bar 110.
A curved flange 136 is provided at the lower end of the body 132 and surrounds each of the raceways 120.
In particular, the bent flange 136 is bent in a downward direction. For example, the bent flange 136 may have an inverted U-shape. A curved flange 136 surrounds the upper and both side surfaces of the raceway 120.
At least one through hole 137 may be provided at a side of the bent flange 136. Here, the through hole 137 may correspond to an elongated hole extending in the X-axis direction.
Bolts 138 and nuts 139 secure the bent flange 136 to each of the raceways 120.
Specifically, the bolt 138 has a T-shape. That is, the head of the bolt 138 has a T shape and extends in one direction. A width in a short direction of the head of the bolt 138 may be equal to or less than the third width of each of the outer groove portions 122a, and a width in a long direction of the head of the bolt 138 may be greater than the third width of each of the outer groove portions 122a and equal to or less than the fourth width of the inner groove portion 122 b.
In a state where the extending direction of the head portion of the bolt 138 is aligned with the extending direction of the second groove 122, the head portion of the bolt 138 is inserted into the inner groove portion 122b through one of the outer groove portions 122a, and then the bolt 138 is rotated by 90 degrees so that the bolt 138 can be mounted in the second groove 122 of each of the raceways 120.
After the bolts 138 are mounted in the second grooves 122 of each of the raceways 120 and pass through the through holes 137 of the bent flange 136, nuts 139 are fastened to the bolts 138, respectively.
For example, two through holes 137 are respectively provided on both side portions of the bending flange 136, so that the bolts 138 and the nuts 139 can be respectively provided on the side portions of the bending flange 136.
The process of fixing the mold bar 110 and the raceway 120 using the fixing member 130 will be explained in detail below.
first, the head 134 of the fixing member 130 is inserted into the first groove 112 of each of the mold bars 110. Each of the raceways 120 is inserted into the bent flange 136, and then the through-hole 137 of the bent flange 136 and the second groove 122 of each of the raceways 120 are positioned at the same height. Next, the bolt 138 is inserted into the second groove 122 of each of the raceways 120. Then, the nut 139 is fastened to the bolt 138. Thus, each of the raceways 120 may be fixed to each of the mold bars 110.
Alternatively, although not shown in the figures, the bolts 138 and nuts 139 may secure each of the raceways 120 to the bent flange 136 in a different process than that shown in fig. 4.
Specifically, the nut 139 may be inserted into the inner groove portion 122b through both end portions of each of the raceways 120. Here, the width of the nut 139 may be greater than the third width of each of the outer grooves 122a and may be equal to or less than the fourth width of the inner groove portion 122 b. Therefore, the nut 139 inserted into the inner groove portion 122b is not released from the raceway 120 by one of the outer groove portions 122 b.
Next, one of the raceways 120 is inserted into the bent flange 136, and then one of the through holes 137 of the bent flange 136 and the second groove 122 of each of the raceways 120 are positioned at the same height.
The bolt 138 is inserted into the inner groove portion 122b on the side portion of the bent flange 136 through one of the through holes 137 and one of the outer groove portions 122a of the bent flange 136, and then the bolt 138 is fastened to the nut 139 inserted into the inner groove portion 122 b. Here, the bolt 132 may be a T-bolt or a general bolt.
The mold bar 110 and the raceway 120 can be simply and quickly fastened by using the fixing member 130, respectively. Therefore, the raceway unit 100 can be quickly and easily mounted on the ceiling.
fig. 5 is a front view illustrating the vibration preventing member as shown in fig. 1.
With further reference to fig. 5, the vibration preventing members 140 are disposed between the raceways 120 that are adjacent to each other and extend in the Y-axis direction, respectively. That is, the vibration preventing member 140 is perpendicular to the extending direction of the raceway 120.
The vibration preventing member 140 may have a flat plate shape. For example, the vibration preventing member 140 may have a rectangular plate shape.
The width of the vibration preventing member 140 measured in the Y-axis direction may be the same as the interval between the raceways 120 adjacent to each other. Also, the height of the vibration preventing member 140 measured in the Z-axis direction may be the same as the length of each of the fixing members 130. Accordingly, the vibration preventing member 140 may be disposed between the adjacent raceways 120, and may be disposed between one of the mold bars 110 and one of the raceways 120. Since the vibration preventing member 140 does not protrude outward in the Y-axis direction from the space between the adjacent raceways 120, the vibration preventing member 140 can be provided without any space restriction.
The upper end of the vibration preventing member 140 may be fixed to the mold bar 110 or the ceiling. Further, the lower end portion of the vibration preventing member 140 may be fixed to the raceway 120.
The vibration preventing member 140 may be fixed using the bracket 142, the second bolt 144, and the second nut 146. The bracket 142 may have an approximately L-shape.
In particular, after the bracket 142 is brought into contact with the vibration preventing member 140 and the mold bars 110 adjacent to each other, the bracket 142 is fastened to the vibration preventing member 140 by the second bolt 144 and the second nut 146, and the bracket 142 is fastened to the mold bars 110 by the second bolt 144 and the second nut 146. Accordingly, the vibration preventing member 140 may be fixed to the mold bar.
also, after the bracket 142 is in contact with the vibration preventing member 140 and the raceway 120 adjacent to each other, the bracket 142 is fastened to the vibration preventing member 140 by the second bolts 144 and the second nuts 146, and the bracket 142 is fastened to the raceway 120 by the second bolts 144 and the second nuts 146. Thus, the vibration preventing member 140 may be fixed to the raceway 120.
Alternatively, although not shown in the drawings, the vibration preventing member 140 may be directly fixed to the ceiling instead of the mold bar 110.
The vibration preventing member 140 can be easily and quickly fixed using the bracket 142, the second bolt 144, and the second nut 146. Therefore, the cost and time for installing the vibration preventing member 140 can be reduced.
Further, the vibration preventing member 140 is provided in the Y-axis direction to support the raceway 120. Therefore, the raceway 120 can be prevented from vibrating in the Y-axis direction.
Alternatively, the vibration preventing member 140 may have a sufficient thickness so that the vibration preventing member 140 can withstand the vibration of the raceway 120 in the Y-axis direction.
Fig. 6 is a front view illustrating another exemplary embodiment of the vibration preventing member as shown in fig. 5.
With further reference to fig. 6, the vibration preventing member 140 may have at least one opening 140 a. The opening 140a may have various shapes such as a polygon, a circle, and an ellipse. Since the vibration preventing member 140 has the opening 140a, the weight of the vibration preventing member 140 can be reduced. Accordingly, it is possible to reduce the load applied to the mold stem 110, which may occur due to the vibration preventing member 140.
Fig. 7 is a front view illustrating an OHT according to an exemplary embodiment of the present invention, and fig. 8 is a side view illustrating the OHT as illustrated in fig. 7.
Referring to fig. 7 and 8, the OHT 200 may include a raceway unit 100, a rail 210, a first rail fixing member 220, a second rail fixing member 230, and a vehicle 240. The race unit 100 includes a mold bar 110, a race 120, a fixing member 130, and a vibration preventing member 140.
since the detailed description of the raceway unit 100 is substantially the same as that of the raceway unit 100 with reference to fig. 1 to 6, it is omitted.
the rail 210 extends in the X-axis direction. The vehicle 240 may travel along the track 210. The track 210 is located below the raceway 120.
The track 210 may include a pair of tracks, and a distance between the pair of tracks of the track 210 may be substantially the same as a distance between the raceways 120.
The first rail securing member 220 secures the rail 210 to the raceway 120.
t-shaped grooves are formed on the outer side portion of each of the rails in the X-axis direction, and the first rail fixing member 220 fixes the rail 210 to the raceway 120 using the T-shaped grooves. Examples of the first rail fixing member 220 include turnbuckles, hanger bolts, and the like.
The second rail fixing member 230 fixes the pair of rails of the rail 210.
A T-shaped groove is formed on an upper portion of each of the rails 210 in the X-axis direction, and the second rail fixing member 230 fixes the pair of rails using the T-shaped groove. The second rail fixing member 230 is bent in a downward direction. For example, the second rail fixing member 230 may have an approximately U-shape. The second rail fixing member 230 maintains a constant distance between the pair of rails. Therefore, the vehicle 240 can be prevented from abnormally traveling due to a change in the distance between the pair of rails of the rail 210.
The vehicle 240 travels along the track 210 and receives and transports the cassette therein. The detailed description of the vehicle 240 is substantially the same as that of a general vehicle, and thus is omitted.
The OHT 200 includes the raceway unit 100 shown in fig. 1 to 6.
According to an example embodiment of the invention, the raceway 120 may be prevented from vibrating in the Y-axis direction. Therefore, the traveling stability of the vehicle 240 can be improved, and the transportation stability of the OHT 200 can be improved.
As described above, since the raceway unit according to the present invention can quickly provide the vibration preventing member without space limitation, it is possible to prevent the Y-axis direction vibration of the raceway. Further, since the OHT includes the raceway unit, the transportation stability of the OHT can be improved.
Although the raceway unit and the OHT having the same have been described with reference to specific embodiments, they are not limited thereto. Accordingly, it will be readily understood by those skilled in the art that various modifications and changes can be made thereto without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (13)
1. a raceway unit, comprising:
A mold bar fixed to the ceiling;
A raceway provided below the die rod, the raceway extending in an X-axis direction;
a fixing member extending in a Z-axis direction, the fixing member configured to fix the raceway to the mold bar; and
a vibration preventing member provided between the raceways adjacent to each other, the vibration preventing member extending in a Y-axis direction perpendicular to the X-axis direction, and the vibration preventing member being configured to fix the adjacent raceways to each other to prevent the raceways from vibrating in the Y-axis direction.
2. The raceway unit according to claim 1, wherein the anti-vibration member has a flat plate shape.
3. The raceway unit according to claim 1, wherein the anti-vibration member has at least one opening to reduce the weight of the anti-vibration member.
4. The raceway unit according to claim 2, wherein a width of the anti-vibration member in the Y-axis direction is the same as an interval between adjacent raceways, and a height of the anti-vibration member in the Z-axis direction is the same as a length of each of the fixing members.
5. The raceway unit according to claim 1, wherein an upper end portion of the anti-vibration member is fixed to the mold bar or the ceiling, and a lower end portion of the anti-vibration member is fixed to the raceway, respectively.
6. The race unit of claim 1 wherein each of said mold bars comprises:
A plurality of first mold bars extending in the X-axis direction and spaced apart from each other in the Y-axis direction; and
A plurality of second mold bars extending in the Y-axis direction and spaced apart from each other in the X-axis direction,
Wherein the fixing member is disposed at an intersection of the first mold bar and the second mold bar.
7. The race unit of claim 1 wherein each of said securing members comprises:
a body extending in the Z-axis direction;
A head disposed at an upper end of the body and coupled to each of the mold rods;
A curved flange provided at a lower end portion of the body and surrounding each of the raceways; and
A bolt and a nut for fastening each of the bent flange and the raceway.
8. The raceway unit according to claim 7, wherein the each of the die rods has a first groove formed in a lower portion thereof in an extending direction of the die rod, the first groove has a T-shape, and the head has the T-shape to be inserted into the first groove.
9. The raceway unit according to claim 8, wherein each of the raceways includes second grooves on both sides thereof, respectively, and each of the second grooves has a T-shape and extends in an extending direction of the raceway,
the bent flange includes through-holes on both side portions thereof, and each of the through-holes extends in an extending direction of the raceway,
The bolt has a T-shaped head to be inserted into each of the second grooves and through each of the through holes of the bent flange, and
The nut is fastened to the bolt.
10. an overhead hoist transport, comprising:
A raceway unit including mold bars fixed to a ceiling; a raceway disposed below the die rod, the raceway extending in an X-axis direction; a fixing member extending in a Z-axis direction, the fixing member fixing the raceway to the mold bar; and a vibration preventing member provided between the raceways adjacent to each other, the vibration preventing member extending in a Y-axis direction perpendicular to the X-axis direction, and the vibration preventing member being configured to fix the adjacent raceways to each other to prevent the raceways from vibrating in the Y-axis direction,
A rail fixed to the raceway and extending in the X-axis direction; and
a vehicle configured to travel along the track and secure and transport a box.
11. The overhead hoist transport vehicle according to claim 10, wherein the vibration preventing member has a flat plate shape and has at least one opening to reduce the weight of the vibration preventing member.
12. The overhead hoist transport vehicle according to claim 11, wherein the width of the vibration preventing member in the Y-axis direction is the same as the interval between adjacent raceways, and the height of the vibration preventing member in the Z-axis direction is the same as the length of each of the fixing members.
13. The overhead hoist transport vehicle of claim 11, wherein the upper end of the vibration preventing member is fixed to the mold bar or the ceiling, and the lower end of the vibration preventing member is fixed to the raceway, respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2018-0060245 | 2018-05-28 | ||
| KR1020180060245A KR102080877B1 (en) | 2018-05-28 | 2018-05-28 | Raceway unit and OHT having the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110540132A true CN110540132A (en) | 2019-12-06 |
| CN110540132B CN110540132B (en) | 2021-07-27 |
Family
ID=68702768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910445983.2A Active CN110540132B (en) | 2018-05-28 | 2019-05-27 | Raceway unit and OHT having the same |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102080877B1 (en) |
| CN (1) | CN110540132B (en) |
| HU (1) | HU231164B1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4109051A1 (en) * | 1991-03-15 | 1992-09-17 | Saalfelder Hebezeugbau Gmbh | Connection system for hollow-flanged I=section strips - has bolt tubes, welded to strips, with externally coned ends mating with internally coned bores of connection spacers or end plates |
| JP2007132122A (en) * | 2005-11-11 | 2007-05-31 | Shimizu Corp | Reinforcing structure of hung ceiling |
| CN101181955A (en) * | 2006-11-15 | 2008-05-21 | 株式会社大福 | Truss system for article ingathering |
| CN101456487A (en) * | 2007-12-10 | 2009-06-17 | 村田机械株式会社 | Overhead buffer and transfer method of the same |
| KR20100078402A (en) * | 2008-12-30 | 2010-07-08 | 주식회사 태우이엔지 | Ceiling structure of clean room of semiconductor |
| CN104395207A (en) * | 2012-07-26 | 2015-03-04 | 村田机械株式会社 | Overhead traveling vehicle system and transfer control method for overhead traveling vehicle system |
-
2018
- 2018-05-28 KR KR1020180060245A patent/KR102080877B1/en active IP Right Grant
-
2019
- 2019-05-27 CN CN201910445983.2A patent/CN110540132B/en active Active
- 2019-05-27 HU HU1900184A patent/HU231164B1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4109051A1 (en) * | 1991-03-15 | 1992-09-17 | Saalfelder Hebezeugbau Gmbh | Connection system for hollow-flanged I=section strips - has bolt tubes, welded to strips, with externally coned ends mating with internally coned bores of connection spacers or end plates |
| JP2007132122A (en) * | 2005-11-11 | 2007-05-31 | Shimizu Corp | Reinforcing structure of hung ceiling |
| CN101181955A (en) * | 2006-11-15 | 2008-05-21 | 株式会社大福 | Truss system for article ingathering |
| CN101456487A (en) * | 2007-12-10 | 2009-06-17 | 村田机械株式会社 | Overhead buffer and transfer method of the same |
| KR20100078402A (en) * | 2008-12-30 | 2010-07-08 | 주식회사 태우이엔지 | Ceiling structure of clean room of semiconductor |
| CN104395207A (en) * | 2012-07-26 | 2015-03-04 | 村田机械株式会社 | Overhead traveling vehicle system and transfer control method for overhead traveling vehicle system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110540132B (en) | 2021-07-27 |
| HUP1900184A2 (en) | 2020-02-28 |
| HU231164B1 (en) | 2021-06-28 |
| KR102080877B1 (en) | 2020-02-24 |
| KR20190135151A (en) | 2019-12-06 |
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