WO2022045692A1 - Chariot de transport sur lequel est appliqué un matériau composite de carbone - Google Patents

Chariot de transport sur lequel est appliqué un matériau composite de carbone Download PDF

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Publication number
WO2022045692A1
WO2022045692A1 PCT/KR2021/011172 KR2021011172W WO2022045692A1 WO 2022045692 A1 WO2022045692 A1 WO 2022045692A1 KR 2021011172 W KR2021011172 W KR 2021011172W WO 2022045692 A1 WO2022045692 A1 WO 2022045692A1
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WO
WIPO (PCT)
Prior art keywords
fastening
vertical
composite material
carbon composite
vertical member
Prior art date
Application number
PCT/KR2021/011172
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English (en)
Korean (ko)
Inventor
신지운
Original Assignee
주식회사 케이에스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 케이에스 filed Critical 주식회사 케이에스
Publication of WO2022045692A1 publication Critical patent/WO2022045692A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/002—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by a rectangular shape, involving sidewalls or racks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/10—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0026—Propulsion aids
    • B62B5/0079—Towing by connecting to another vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/04—Braking mechanisms; Locking devices against movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/04—Braking mechanisms; Locking devices against movement
    • B62B5/049—Braking mechanisms; Locking devices against movement locking against movement by contacting the floor or a wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/006—Hand-propelled vehicles or sledges being foldable or dismountable when not in use dismountable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/12—Collapsible wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
    • B62B2301/05—Details of the attachment of the wheel assembly to the chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2501/00—Manufacturing; Constructional features
    • B62B2501/06—Materials used

Definitions

  • the present invention relates to a transport bogie to which a carbon composite material is applied.
  • a bogie refers to a pedestal with wheels for carrying and moving loads, and has a handle used to transport small items, from small ones to a steel structure or a steel mill. It refers to the use of heavy loads such as towing and moving by mounting cast iron for
  • Such a bogie is a place where industrial goods (industrial products) and logistics move a lot, such as industrial sites where manufacturing/production takes place or warehouses of distribution centers, etc. In order to easily and safely transport goods, they are loaded and transported on a transport cart.
  • the bogie plays a very important role in transporting the goods to be transported from one place to another.
  • a plate having a predetermined area, a frame supporting the plate, and the frame are connected to the frame It is made of a caster that is used, and in the case of manual operation, it further includes a handle.
  • the main materials of the current transportation equipment such as transportation bogies, steel cases, and steel pallets are steel and SUS.
  • the need for improvement and weight reduction is increasing.
  • An object of the present invention is to provide a transportation cart to which a lightweight carbon composite material is applied.
  • the transport cart to which the carbon composite material is applied is composed of carbon fiber and includes a frame including a pair of horizontal members having a rod shape, a pair of vertical members and at least four vertical members; a holder connected to the vertical member and on which an article is mounted; a fastening member for interconnecting adjacent horizontal members, vertical members, vertical members, and mounting units; a plurality of casters respectively connected to the lower portion of the frame; And longitudinal feet connected to the lower portion of the frame, respectively, may include.
  • the fastening member includes a first fastening member connecting the frame and the mounting portion, and a second fastening member interconnecting the adjacent horizontal member and the vertical member, the adjacent horizontal member and the vertical member, or the adjacent vertical member and the vertical member.
  • the second fastening member on the inner side formed by the adjacent horizontal member and the vertical member, a 2-1 fastening member interconnecting the horizontal member and the vertical member and at least one of the horizontal member or the vertical member and the vertical member It may include a 2-2 fastening member for interconnecting the members.
  • the 2-1 fastening member is a first fastening area that faces the lower surface or upper surface of the horizontal member, a second fastening area that faces the lower surface or upper surface of the vertical member, and an inner surface of the horizontal member. It may include a third fastening area and a fourth fastening area that is interviewed on the inner surface of the vertical member.
  • the second fastening member on the outer side formed by the adjacent horizontal member and the vertical member, a 2-1 fastening member interconnecting the horizontal member and the vertical member and at least one of the horizontal member or the vertical member and the vertical member It may include a 2-2 fastening member for interconnecting the members.
  • the 2-1 fastening member is a first fastening area that faces the lower surface or upper surface of the horizontal member, a second fastening area that faces the lower surface or upper surface of the vertical member, and an outer surface of the horizontal member. It may include a third fastening area and a fourth fastening area that faces the outer surface of the vertical member.
  • the first fastening member may include an insertion groove into which a part of the vertical member is inserted and a peripheral portion which is disposed on the periphery of the insertion groove and faces the side surface of the mounting part to face the frame.
  • the mounting portion may be connected to the vertical member in a joint structure, and form a plurality of layers divided in the height direction.
  • the holding unit may include a first holding member connected to the frame and a second holding member hinged to the first holding member, and a magnetic member may be disposed on the first holding member or the second holding member.
  • each of the plurality of casters may be connected to the lower portion of the frame in a joint structure.
  • the vertical leg may have a height smaller than a height in a state in which the caster is unfolded.
  • it may further include a traction ring connected to the frame.
  • weight reduction is possible.
  • FIG. 1 is a perspective view showing a transportation cart to which a carbon composite material is applied according to an embodiment of the present invention
  • FIG. 2 is a perspective view showing a form in which the outer cover member is removed from the transport cart to which the carbon composite material is applied according to an embodiment of the present invention
  • Figure 3 is a perspective view showing the first fastening member in the transport bogie to which the carbon composite material is applied according to an embodiment of the present invention
  • 4a and 4b are exemplary views for explaining the connection structure of the frame in the transport bogie to which the carbon composite material is applied according to an embodiment of the present invention
  • FIG. 5 is a perspective view showing the 2-1 fastening member in the transport bogie to which the carbon composite material is applied according to an embodiment of the present invention
  • FIG. 6 is a perspective view showing a 2-2 fastening member in the transport bogie to which a carbon composite material is applied according to an embodiment of the present invention
  • FIG. 7a to 7c are exemplary views for explaining a connection structure of a frame in a transport bogie to which a carbon composite material is applied according to another embodiment of the present invention.
  • FIG. 8 is a perspective view showing a 2-1 fastening member in a transport bogie to which a carbon composite material is applied according to another embodiment of the present invention
  • FIG. 9 is a perspective view showing a 2-2 fastening member in a transport bogie to which a carbon composite material is applied according to another embodiment of the present invention.
  • FIG. 1 is a perspective view showing a transport bogie to which a carbon composite material is applied according to an embodiment of the present invention
  • FIG. 2 is a form in which the outer cover member is removed from the transport bogie to which a carbon composite material is applied according to an embodiment of the present invention
  • 3 is a perspective view showing a first fastening member in a transportation cart to which a carbon composite material is applied according to an embodiment of the present invention
  • FIGS. 4A and 4B are a carbon composite material according to an embodiment of the present invention is applied
  • Figure 5 is a perspective view showing the 2-1 fastening member in the transport bogie to which the carbon composite material according to an embodiment of the present invention is applied
  • Fig. 6 is the present invention
  • It is a perspective view showing the 2-2 fastening member in the transport bogie to which the carbon composite material according to an embodiment is applied.
  • the transport cart to which the carbon composite material is applied provides a loading part 100 for loading the article 1 therein, and the loading part 100 ), a cover 10 covering the outside of the loading part 100, a fastening member 200 for connecting each component of the loading part 100, and a caster 300 connected to the lower part of the loading part 100 to support the loading part 100 And it may include a traction ring 500 for connecting the bellows 400 and the loading unit 100 and external power.
  • the cover 10 is preferably made of a transmissive material such as tempered glass or acrylic.
  • the loading unit 100 may include a frame 110 , a mounting unit 120 , and a cover unit 130 .
  • the frame 110 may include a horizontal member 111 , a vertical member 112 , and a vertical member 113 .
  • the horizontal member 111 , the vertical member 112 , and the vertical member 113 may be made of a carbon composite including carbon fibers.
  • each of the horizontal member 111, the vertical member 112 and the vertical member 113 preferably has a tube shape having a hollow formed therein, and the second fastening members 220 and 230 of the fastening members 200, respectively. ), through which they can be physically connected to each other.
  • the carbon composite may be a composite of a carbon fiber sheet and a resin.
  • the resin may include a thermosetting resin or a thermoplastic resin alone or a mixed resin thereof.
  • the thermosetting resin may be one selected from epoxy resin, phenol resin, thermosetting polyimido resin, unsaturated polyester resin, urea resin and melanin resin, and the thermoplastic resin is acrylic resin, vinyl chloride resin, vinylidene chloride resin, poly It may be one selected from an acrylonitrile resin, a polyamide resin, a polypropylene resin, a thermoplastic polyimido resin, a polyethylene terephthalate resin, and a polycarbonate resin.
  • thermosetting resin or the thermoplastic resin may function as a binder for carbon fibers.
  • the carbon fiber is made of long or short fibers, and may be manufactured in the form of a woven fabric, such as a woven fabric, a non-woven fabric, a knitted fabric, a multiaxial longitudinal woven fabric, a unidirectional array fabric, a web or a chop.
  • a woven fabric such as a woven fabric, a non-woven fabric, a knitted fabric, a multiaxial longitudinal woven fabric, a unidirectional array fabric, a web or a chop.
  • the horizontal member 111 is formed and may have a rod shape having a length in the X-axis direction
  • the vertical member 112 is formed in a rod shape having a length in the Y-axis direction
  • the vertical member 113 is It may be formed in a rod shape having a length in the Z-axis direction.
  • the holder 120 includes a connection member 121 , a first buffer member 122 , a first holder member 123 , a second holder member 124 , a second buffer member 125 , and a third buffer member 126 . ) may be included.
  • the mounting units 120 may be provided in pairs on both sides with respect to the center of the frame 110 .
  • the pair of mounting units 120 may form a plurality of layers in the height direction (Z-axis direction).
  • the plurality of layers may be composed of three layers, the second and third layers may be folded during the loading of the article 1 on the first floor, and the second and third layers may be folded during the loading of the article 1 on the second floor.
  • the 3rd floor can be collapsed.
  • the connecting member 121, the first holding member 123, and the second holding member 124 may be made of a lightweight metallic material, and preferably made of a metallic material having magnetism.
  • the connecting member 121 may be physically fastened to the frame 1110 through the first fastening member 210 of the fastening members 200 .
  • the first fastening member 210 will be described later.
  • connection member 121 is illustrated as being connected to the vertical member 112 in FIG. 2 , the connection member 121 may be connected to the horizontal member 111 or the vertical member 113 .
  • the first cushioning member 122 is connected to the connecting member 121 and is preferably made of an elastic body having elasticity, and performs a buffering function to prevent one end and the other end of the article 1 from being damaged by vibration. can do.
  • the first holding member 123 may be disposed to be connected to the connecting member 121 so as to extend toward the center of the frame 110 .
  • the second holding member 124 is connected to the first holding member 123 by a hinge coupling, and may extend in the same direction as the extending direction of the first holding member 123 .
  • the second holding member 124 may be disposed parallel to the first holding member 123 when the article 1 is loaded, and when the article 1 is not loaded or the article 1 in the lower layer is taken out. may be disposed by being folded in the first holding member 123 .
  • a magnetic member (not shown) is disposed on the first holding member 123 or the second holding member 124 to maintain the folded state when the second holding member 124 is folded.
  • a first magnetic member (not shown) having a first polarity is disposed on the first holding member 123
  • a second magnetic member having a second polarity opposite to the first polarity is disposed on the second holding member 124 . (not shown) is disposed so that when the second holding member 124 is folded, the folded state can be maintained due to the attractive force of the first magnetic member and the second magnetic member.
  • the second cushioning member 125 is disposed on the second holding member 124 and is preferably made of an elastic body having elasticity, aligns the plurality of articles 1 and the lower end of the article 1 vibrates by vibration. It can perform a cushioning function to prevent damage.
  • the third cushioning member 126 is disposed under the second holding member 124 and is preferably made of an elastic body having elasticity, and has a cushioning function to prevent the upper end of the article 1 from being damaged by vibration. It is possible to prevent vibration by pressing the article 1 in the downward direction.
  • the cover unit 130 has one end connected to the frame 110 by a hinge 131 , and can be opened and closed.
  • the cover 130 may open the upper portion of the frame 110 .
  • the lower portion of the cover portion 130 performs a buffer function to prevent the article disposed on the top of the mounting portion 120 from being damaged by vibration, and pressurizes the article 1 in the downward direction to prevent vibration.
  • a buffer member 132 may be disposed.
  • a fastening plate 140 for connecting the caster 300 and the vertical leg 400 may be fastened to a lower portion of the frame 110 .
  • the caster 300 and the vertical leg 400 may be connected to the lower surface of the fastening plate 140 to support the loading unit 100 .
  • the caster 300 may be connected to the fastening plate 140 in a joint structure to perform a function of folding and unfolding.
  • the caster 300 may have a higher height than the vertical leg 400 in the unfolded state, and may have a lower height than the vertical leg 400 in the folded state.
  • the fastening member 200 may include the first fastening member 210 and the second fastening members 220 and 230 , and may be made of a carbon composite material or a metallic material.
  • the first fastening member 210 may connect the connecting member 121 to any one of the horizontal member 111 , the vertical member 112 , and the vertical member 113 of the frame 110 . Meanwhile, in one example, the first fastening member 210 will be described as connecting the horizontal member 111 and the connecting member 121 .
  • the first fastening member 210 may include an insertion groove 211 and a peripheral portion 212 .
  • the insertion groove 211 provides a space into which the horizontal member 111 is inserted, and one side and both sides of the horizontal member 111 may be interviewed.
  • At least one fastening hole (211a) is formed in the insertion groove (211), the bolt passing through the fastening hole (211a) penetrates the horizontal member (111), the horizontal member (111) to the first fastening member (210) can be concluded on
  • peripheral portion 212 has a higher height than the insertion groove 211 , and the connecting member 121 may be disposed on one surface of the peripheral portion 212 .
  • At least one fastening hole 212a is formed in the peripheral portion 212 , and a bolt passing through the fastening hole 212a passes through the connecting member 121 , and the connecting member 121 is attached to the first fastening member 210 . can be contracted
  • the connecting member 121 may be arranged and fastened to the other surface of the first fastening member 210 on which the insertion groove 211 is not formed.
  • the second fastening members 220 and 230 may include a 2-1 fastening member 220 and a 2-2 fastening member 230 .
  • the 2-1 fastening member 220 may connect the horizontal member 111 and the vertical member 112 .
  • the 2-1 fastening member 220 is disposed on the inner side of the horizontal member 111 and the vertical member 112, The adjacent horizontal member 111 and the vertical member 112 may be connected.
  • the 2-1 fastening member 220 is a first fastening area 221 that faces the lower surface (or upper surface) of the horizontal member 111, and a second fastening area that faces the lower surface (or upper surface) of the vertical member 112. 222 , a third fastening region 223 that faces the inner surface of the horizontal member 111 and a fourth fastening region 224 that faces the inner surface of the vertical member 112 may be included.
  • first fastening area 221 and the second fastening area 222 are disposed perpendicular to each other, and the first fastening area 221 and the third fastening area 223 are disposed parallel to each other,
  • the third fastening area 223 and the fourth fastening area 224 may be disposed perpendicular to each other, and the second fastening area 222 and the fourth fastening area 224 may be disposed perpendicular to each other.
  • a fastening hole 220a for fastening may be formed in each of the first fastening area 221 , the second fastening area 222 , the third fastening area 223 , and the fourth fastening area 224 .
  • a bolt passing through the fastening hole 220a may pass through the horizontal member 111 and the vertical member 112 to fasten the horizontal member 111 and the vertical member 112 .
  • the 2-2 fastening member 230 may connect the horizontal member 111 or the vertical member 112 and the vertical member 113 .
  • the 2-2 fastening member 230 will be described as connecting the vertical member 112 and the vertical member 113 .
  • the 2-2 fastening member 230 includes a first fastening area 231 that faces the first side of the vertical member 113, a second fastening area 232 that faces the second side of the vertical member 113, It may include a third fastening region 233 that faces the outer surface of the horizontal member 111 and a fourth fastening region 234 that faces the lower surface of the vertical member 112 .
  • the second side of the vertical member 113 is a side adjacent to the first side.
  • first fastening area 231 and the second fastening area 232 are disposed perpendicular to each other, and the first fastening area 231 and the third fastening area 233 are disposed parallel to each other,
  • the third fastening area 233 and the fourth fastening area 234 may be disposed perpendicular to each other, and the second fastening area 232 and the fourth fastening area 234 may be disposed perpendicular to each other.
  • the fourth fastening region 234 may include a stepped region 225 formed to prevent overlapping with the second-first fastening member 220 .
  • a part of the third fastening area 223 of the second-first fastening member 220 may be accommodated in the stepped area 225 .
  • the fourth fastening region 234 can directly face the lower surface of the vertical member 112 regardless of the interference of the 2-1 fastening member 220 , thereby improving the fastening strength.
  • a fastening hole 230a for fastening may be formed in each of the first fastening area 231 , the second fastening area 231 , the third fastening area 233 , and the fourth fastening area 234 .
  • a bolt passing through the fastening hole 230a may pass through the vertical member 113 and the vertical member 112 to fasten the vertical member 113 and the vertical member 112 .
  • the fastening hole 230a formed in the fourth fastening area 234 and the stepped area 225 of the 2-2 fastening member 230 corresponds to the fastening hole 220a of the 2-1 fastening member 220 . each can be pierced together by a single bolt.
  • FIG. 7A to 7C are exemplary views for explaining a connection structure of a frame in a transport bogie to which a carbon composite material is applied according to another embodiment of the present invention
  • FIG. 8 is a carbon composite material according to another embodiment of the present invention is applied.
  • It is a perspective view showing the 2-1 fastening member in the transport bogie
  • FIG. 9 is a perspective view showing the 2-2 fastening member in the transport bogie to which the carbon composite material according to another embodiment of the present invention is applied.
  • the second fastening members 240 and 250 may include a 2-1 fastening member 240 and a 2-2 fastening member 250 .
  • the 2-1 fastening member 240 may connect the horizontal member 111 and the vertical member 112 .
  • the 2-1 fastening member 240 is disposed on the outer side of the horizontal member 111 and the vertical member 112, The adjacent horizontal member 111 and the vertical member 112 may be connected.
  • the 2-1 fastening member 240 is a first fastening area 241 that faces the lower surface (or upper surface) of the horizontal member 111 , and a second fastening area that faces the lower surface (or upper surface) of the vertical member 112 . 242 , a third fastening region 243 that faces the outer surface of the horizontal member 111 and a fourth fastening region 244 that faces the outer surface of the vertical member 112 may be included.
  • first fastening area 241 and the second fastening area 241 are disposed in a state perpendicular to each other, and the first fastening area 241 and the third fastening area 243 are disposed parallel to each other,
  • the third fastening area 243 and the fourth fastening area 244 may be disposed perpendicular to each other, and the second fastening area 242 and the fourth fastening area 244 may be disposed perpendicular to each other.
  • a fastening hole 240a for fastening may be formed in each of the first fastening area 241 , the second fastening area 242 , the third fastening area 243 , and the fourth fastening area 244 .
  • a bolt passing through the fastening hole 240a may pass through the horizontal member 111 and the vertical member 112 to fasten the horizontal member 111 and the vertical member 112 .
  • the 2-2 fastening member 250 may connect the horizontal member 111 or the vertical member 112 and the vertical member 113 .
  • the 2-2 fastening member 250 will be described as connecting the vertical member 112 and the vertical member 113 .
  • the 2-2 fastening member 250 includes a first fastening area 251 that faces the first side of the vertical member 113, a second fastening area 252 that faces the second side of the vertical member 113, It may include a third fastening area 253 that faces the outer surface of the 2-1 fastening member 240 and a fourth fastening area 254 that faces the outer surface of the 2-1 fastening member 240 . .
  • the second side of the vertical member 113 is a side adjacent to the first side.
  • the third fastening area 253 faces the third fastening area 243 of the 2-1 fastening member 240
  • the fourth fastening area 254 is the second fastening area of the 2-1 fastening member 240 . 4 may be interviewed in the fastening area 244 .
  • first fastening region 251 and the second fastening region 252 are arranged in a state perpendicular to each other, and the first fastening region 251 and the third fastening region 253 are arranged in a state parallel to each other,
  • the third fastening area 253 and the fourth fastening area 254 may be disposed perpendicular to each other, and the second fastening area 252 and the fourth fastening area 254 may be disposed perpendicular to each other.
  • each of the third fastening region 253 and the fourth fastening region 254 has a first fastening region 251 and a second fastening region 252 in order to prevent overlapping with the 2-1 fastening member 240 , respectively.
  • a step difference can be formed compared to .
  • a portion of the third fastening area 243 and the fourth fastening area 244 of the second-first fastening member 240 may be accommodated in each of the third fastening area 253 and the fourth fastening area 254 .
  • the 2-2 fastening member 250 can directly face the lower surface and the outer surface of the vertical member 112 irrespective of the interference of the 2-1 fastening member 240, thereby improving the fastening strength.
  • a fastening hole 250a for fastening may be formed in each of the first fastening area 251 , the second fastening area 251 , the third fastening area 253 , and the fourth fastening area 254 .
  • a bolt passing through the fastening hole 250a may pass through the vertical member 113 and the vertical member 112 to fasten the vertical member 113 and the vertical member 112 .
  • the fastening hole 250a formed in the third fastening area 253 and the fourth fastening area 254 of the 2-2 fastening member 250 is the fastening hole 240a of the 2-1 fastening member 240 . Corresponding to and can be penetrated together by one bolt, respectively.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Abstract

La présente invention concerne un chariot de transport sur lequel est appliqué un matériau composite de carbone, comprenant : un cadre composé de fibres de carbone et incluant une paire d'éléments de largeur, une paire d'éléments de longueur, et au moins quatre éléments de hauteur ayant une forme de tige ; des parties de montage reliées aux éléments verticaux et sur lesquelles des articles sont montés ; des éléments de fixation pour interconnecter des éléments de largeur, des éléments de longueur, des éléments de hauteur et des parties de montage adjacents ; une pluralité de roulettes reliées respectivement aux parties inférieures du cadre ; et des kits d'éléments en forme de coupe reliés respectivement aux parties inférieures du cadre.
PCT/KR2021/011172 2020-08-27 2021-08-23 Chariot de transport sur lequel est appliqué un matériau composite de carbone WO2022045692A1 (fr)

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Application Number Priority Date Filing Date Title
KR10-2020-0108676 2020-08-27
KR1020200108676A KR102420384B1 (ko) 2020-08-27 2020-08-27 탄소복합소재가 적용된 운송 대차

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WO2022045692A1 true WO2022045692A1 (fr) 2022-03-03

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KR (1) KR102420384B1 (fr)
WO (1) WO2022045692A1 (fr)

Citations (5)

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